1
|
Simon O, Guirandy N, Dasque L, Dubourg N, Camilleri V, Cavalié I, Turiès C, Bado-Nilles A, Espinat L, Réalis E, Gagnaire B. Common and inter-specific toxic effects in three wild fish species after chronic gamma irradiation of early stages. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2024; 277:107459. [PMID: 38833882 DOI: 10.1016/j.jenvrad.2024.107459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 05/17/2024] [Accepted: 05/17/2024] [Indexed: 06/06/2024]
Abstract
The objective of this study was to investigate the effects of gamma irradiation on the aquatic environment. We used three wild fish species to compare phenotypic responses with a fish model such as Danio rerio. We focused on embryonic development, a sensitive life stage to stressors like ionizing radiation, to evaluate the effects of exposure to 0.5 and 5 mGy h-1 on Arctic char, trout and stickleback embryos from fertilization to free-swimming larvae. Irradiation did not cause mortality but induced an acceleration of hatching in the three species. These new data on wild species, obtained under comparable irradiation conditions, did not go against the threshold values for the protection of freshwater aquatic ecosystems. Moreover, irradiation caused inter-specific sublethal effects, such as an increase in non-eyed egg proportion in Arctic char, an increase in the incubation period in trout and an acceleration of larval mortality in stickleback. The consequences of these early effects on the adult stage remain to be studied.
Collapse
Affiliation(s)
- O Simon
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, France.
| | - N Guirandy
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, France
| | - L Dasque
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, France
| | - N Dubourg
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, France
| | - V Camilleri
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, France
| | - I Cavalié
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, France
| | - C Turiès
- INERIS UMR-I 02 SEBIO, Unité ECOToxicologie in Vitro et in Vivo, Pôle Dangers sur le VIVAnt, Direction des Risques Chroniques, France
| | - A Bado-Nilles
- INERIS UMR-I 02 SEBIO, Unité ECOToxicologie in Vitro et in Vivo, Pôle Dangers sur le VIVAnt, Direction des Risques Chroniques, France
| | | | | | - B Gagnaire
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, France
| |
Collapse
|
2
|
Asana Marican HT, Shen H. Dynamics of Chromosome Aberrations and Cell Death in Zebrafish Embryos Exposed to 137Cs Total-Body Irradiation. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:2204-2213. [PMID: 38269402 DOI: 10.1021/acs.est.3c05389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Ionizing radiation exposure induces significant DNA damage and cell death in aquatic species. Accurate sensing and quantification play pivotal roles in environmental monitoring and surveillance. Zebrafish (Danio rerio) is a well-suited animal model for research into this aspect, especially with recent development of cytogenetic and transgenic tools. In this study, we present time-course studies of chromosome aberrations and cell death in zebrafish embryos exposed to 2 Gy 137Cs total-body irradiation. Using a cytogenetic approach, we quantified chromosome and chromatid aberrations in irradiated embryos at 6, 14, 20, and 24 h postirradiation. Metaphases with aberrations showed rapid declining kinetics, accompanied by incomplete karyotypes and irregular chromatin contents. Using an apoptosis-reporting transgenic zebrafish, we found increasing cell death along these time points, with the embryonic eyes and brain contributing the majority of the cell death volumes. We provide evidence that self-proliferating progenitor cells form the underlying linkage between the two kinetics and their positions define radiosensitive niches in zebrafish embryos. Our results provide detailed chromosome aberration and cell death dynamics in 137Cs-irradiated zebrafish embryos and unveil the appropriate timeline and tissue positions for accurate sensing and quantification of radiation-induced damages in zebrafish embryos.
Collapse
Affiliation(s)
- Halida Thanveer Asana Marican
- Singapore Nuclear Research and Safety Initiative, National University of Singapore, CREATE Tower, 1 Create Way, Singapore 138602, Singapore
| | - Hongyuan Shen
- Singapore Nuclear Research and Safety Initiative, National University of Singapore, CREATE Tower, 1 Create Way, Singapore 138602, Singapore
| |
Collapse
|
3
|
Schiano Di Lombo M, Cavalié I, Camilleri V, Armant O, Perrot Y, Cachot J, Gagnaire B. Tritiated thymidine induces developmental delay, oxidative stress and gene overexpression in developing zebrafish (Danio rerio). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 265:106766. [PMID: 37980847 DOI: 10.1016/j.aquatox.2023.106766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 11/07/2023] [Accepted: 11/10/2023] [Indexed: 11/21/2023]
Abstract
Tritium is a betta emitter radionuclide. Being an isotope of hydrogen, it is easily transferred to different environmental compartments, and to human and non-human biota. Considering that tritium levels are expected to rise in the upcoming decades with the development of nuclear facilities producing tritium using fission processes, investigating the potential toxicity of tritium to human and non-human biota is necessary. Tritiated thymidine, an organic form of tritium, has been used in this study to assess its toxicity on fish embryo development. Zebrafish embryos (3.5 hpf; hours post fertilization) have been exposed to tritiated thymidine at three different activity concentrations (7.5; 40; 110 kBq/mL) for four days. These experiments highlighted that zebrafish development was affected by the exposure to organic tritium, with smaller larvae at 3 dpf after exposure to the two lowest dose rates (22 and 170 µGy/h), a delayed hatching after exposure to the two highest dose rates (170 and 470 µGy/h), an increase in the spontaneous tail movement (1 dpf) and a decrease in the heartbeat (3 dpf) after exposure to the highest dose rate. The results also highlighted an increase in ROS production in larvae exposed to the intermediate dose rate. A dysregulation of many genes, involved in apoptosis, DNA repair or oxidative stress, was also found after 1 day of exposure to the lowest tritium dose rate. Our results thus suggest that exposure to tritiated thymidine from a dose rate as low as 22 µGy/h can lead to sublethal effects, with an effect on the development, dysregulation of many genes and increase of the ROS production. This paper provides valuable information on toxic effects arising from the exposure of fish to an organic form of tritium, which was the main objective of this study.
Collapse
Affiliation(s)
- Magali Schiano Di Lombo
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France.
| | - Isabelle Cavalié
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Virginie Camilleri
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Olivier Armant
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Yann Perrot
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-SANTE/SDOS/LDRI, 92262 Fontenay-aux-Roses CEDEX, France
| | - Jérôme Cachot
- Université de Bordeaux, Laboratoire EPOC UMR 5805, Univ. Bordeaux, CNRS, INP Bordeaux, F-33600 Pessac, France
| | - Béatrice Gagnaire
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SERPEN/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France.
| |
Collapse
|
4
|
Arcanjo C, Frelon S, Armant O, Camoin L, Audebert S, Camilleri V, Cavalié I, Adam-Guillermin C, Gagnaire B. Insights into the modes of action of tritium on the early-life stages of zebrafish, Danio rerio, using transcriptomic and proteomic analyses. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2023; 261:107141. [PMID: 36878054 DOI: 10.1016/j.jenvrad.2023.107141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/29/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
In the environment, populations are exposed to different kinds of ionizing radiation. Little is known about their modes of action on non-human species, and whether or not they are similar for alpha, beta and gamma radiations, considered as the reference. In this context, tritium effects (beta emitter) under the form of tritiated water (HTO) were investigated in zebrafish, a common model in toxicology and ecotoxicology with a fully sequenced genome. Experiments were conducted on early life stages, considered to be highly sensitive to pollutants, by exposing eggs to 0.4 mGy/h of HTO until 10 days post fertilization. Tritium internalization was quantified, and effects were investigated using a combined approach of transcriptomic and proteomic analyses. Results highlighted similarities in the biological pathways affected by HTO by both techniques, such as defence response, muscle integrity and contraction, and potential visual alterations. These results correlated well with previous data obtained on earlier developmental stages (1 and 4 dpf). Interestingly, HTO effects were partly overlapping those obtained after gamma irradiation, underlying potential common modes of action. This study, therefore, brought a body of evidence on the effects of HTO observed at the molecular level on zebrafish larvae. Further studies could investigate if the effects persist in adult organisms.
Collapse
Affiliation(s)
- Caroline Arcanjo
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, 13115, France
| | - Sandrine Frelon
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, 13115, France
| | - Olivier Armant
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, 13115, France
| | - Luc Camoin
- Aix-Marseille Univ., CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Marseille Proteomics, Marseille, France
| | - Stéphane Audebert
- Aix-Marseille Univ., CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Marseille Proteomics, Marseille, France
| | - Virginie Camilleri
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, 13115, France
| | - Isabelle Cavalié
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, 13115, France
| | - Christelle Adam-Guillermin
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-SANTE/SDOS/LMDN, Cadarache, Saint-Paul-lez-Durance, 13115, France
| | - Beatrice Gagnaire
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, 13115, France.
| |
Collapse
|
5
|
Pradhoshini KP, Priyadharshini M, Santhanabharathi B, Ahmed MS, Parveen MHS, War MUD, Musthafa MS, Alam L, Falco F, Faggio C. Biological effects of ionizing radiation on aquatic biota - A critical review. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 99:104091. [PMID: 36870406 DOI: 10.1016/j.etap.2023.104091] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 02/16/2023] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
Ionizing radiation from radionuclides impacts marine aquatic biota and the scope of investigation must be wider than just invertebrates. We intend to detail and illustrate numerous biological effects that occur in both aquatic vertebrates and invertebrates, at various dose rates from all three kinds of ionizing radiation. The characteristics of radiation sources and dosages that would most effectively generate the intended effects in the irradiated organism were assessed once the biological differentiation between vertebrates and invertebrates was determined through multiple lines of evidence. We contend that invertebrates are still more radiosensitive than vertebrates, due to their small genome size, rapid reproduction rates and lifestyle, which help them to compensate for the effects of radiation induced declines in fecundity, life span and individual health. We also identified various research gaps in this field and suggest future directions to be investigated to remedy the lack of data available in this area.
Collapse
Affiliation(s)
- Kumara Perumal Pradhoshini
- Unit of Research in Radiation Biology & Environmental Radioactivity (URRBER), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India; Institute for Environment and Development (LESTARI), Research Centre for Sustainability Science and Governance (SGK), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
| | - Marckasagayam Priyadharshini
- Unit of Research in Radiation Biology & Environmental Radioactivity (URRBER), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India
| | - Bharathi Santhanabharathi
- Unit of Research in Radiation Biology & Environmental Radioactivity (URRBER), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India
| | - Munawar Suhail Ahmed
- Unit of Research in Radiation Biology & Environmental Radioactivity (URRBER), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India
| | - Mohamat Hanifa Shafeeka Parveen
- Unit of Aquatic biology and Aquaculture (UABA), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India
| | - Mehraj Ud Din War
- Unit of Aquatic biology and Aquaculture (UABA), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India
| | - Mohamed Saiyad Musthafa
- Unit of Research in Radiation Biology & Environmental Radioactivity (URRBER), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India; Institute for Environment and Development (LESTARI), Research Centre for Sustainability Science and Governance (SGK), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia.
| | - Lubna Alam
- Institute for Environment and Development (LESTARI), Research Centre for Sustainability Science and Governance (SGK), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
| | - Franscesca Falco
- National Research Council, Institute for Biological Resources and Marine Biotechnology (IRBIM), Mazara del Vallo, Italy
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy.
| |
Collapse
|
6
|
Lowe D, Roy L, Tabocchini MA, Rühm W, Wakeford R, Woloschak GE, Laurier D. Radiation dose rate effects: what is new and what is needed? RADIATION AND ENVIRONMENTAL BIOPHYSICS 2022; 61:507-543. [PMID: 36241855 PMCID: PMC9630203 DOI: 10.1007/s00411-022-00996-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 09/13/2022] [Indexed: 05/04/2023]
Abstract
Despite decades of research to understand the biological effects of ionising radiation, there is still much uncertainty over the role of dose rate. Motivated by a virtual workshop on the "Effects of spatial and temporal variation in dose delivery" organised in November 2020 by the Multidisciplinary Low Dose Initiative (MELODI), here, we review studies to date exploring dose rate effects, highlighting significant findings, recent advances and to provide perspective and recommendations for requirements and direction of future work. A comprehensive range of studies is considered, including molecular, cellular, animal, and human studies, with a focus on low linear-energy-transfer radiation exposure. Limits and advantages of each type of study are discussed, and a focus is made on future research needs.
Collapse
Affiliation(s)
- Donna Lowe
- UK Health Security Agency, CRCE Chilton, Didcot, OX11 0RQ, Oxfordshire, UK
| | - Laurence Roy
- Institut de Radioprotection Et de Sûreté Nucléaire, Fontenay-Aux-Roses, France
| | - Maria Antonella Tabocchini
- Istituto Nazionale i Fisica Nucleare, Sezione i Roma, Rome, Italy
- Istituto Superiore Di Sanità, Rome, Italy
| | - Werner Rühm
- Institute of Radiation Medicine, Helmholtz Center Munich, Ingolstädter Landstr. 1, 85764, Neuherberg, Germany
| | - Richard Wakeford
- Centre for Occupational and Environmental Health, The University of Manchester, Manchester, M13 9PL, UK
| | - Gayle E Woloschak
- Department of Radiation Oncology, Northwestern University School of Medicine, Chicago, IL, USA.
| | - Dominique Laurier
- Institut de Radioprotection Et de Sûreté Nucléaire, Fontenay-Aux-Roses, France
| |
Collapse
|
7
|
Tollefsen KE, Alonzo F, Beresford NA, Brede DA, Dufourcq-Sekatcheff E, Gilbin R, Horemans N, Hurem S, Laloi P, Maremonti E, Oughton D, Simon O, Song Y, Wood MD, Xie L, Frelon S. Adverse outcome pathways (AOPs) for radiation-induced reproductive effects in environmental species: state of science and identification of a consensus AOP network. Int J Radiat Biol 2022; 98:1816-1831. [PMID: 35976054 DOI: 10.1080/09553002.2022.2110317] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Reproductive effects of ionizing radiation in organisms have been observed under laboratory and field conditions. Such assessments often rely on associations between exposure and effects, and thus lacking a detailed mechanistic understanding of causality between effects occurring at different levels of biological organization. The Adverse Outcome Pathway (AOP), a conceptual knowledge framework to capture, organize, evaluate and visualize the scientific knowledge of relevant toxicological effects, has the potential to evaluate the causal relationships between molecular, cellular, individual, and population effects. This paper presents the first development of a set of consensus AOPs for reproductive effects of ionizing radiation in wildlife. This work was performed by a group of experts formed during a workshop organized jointly by the Multidisciplinary European Low Dose Initiative (MELODI) and the European Radioecology Alliance (ALLIANCE) associations to present the AOP approach and tools. The work presents a series of taxon-specific case studies that were used to identify relevant empirical evidence, identify common AOP components and propose a set of consensus AOPs that could be organized into an AOP network with broader taxonomic applicability. CONCLUSION Expert consultation led to the identification of key biological events and description of causal linkages between ionizing radiation, reproductive impairment and reduction in population fitness. The study characterized the knowledge domain of taxon-specific AOPs, identified knowledge gaps pertinent to reproductive-relevant AOP development and reflected on how AOPs could assist applications in radiation (radioecological) research, environmental health assessment, and radiological protection. Future advancement and consolidation of the AOPs is planned to include structured weight of evidence considerations, formalized review and critical assessment of the empirical evidence prior to formal submission and review by the OECD sponsored AOP development program.
Collapse
Affiliation(s)
- Knut Erik Tollefsen
- Norwegian Institute for Water Research (NIVA), Oslo, Norway.,Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences (NMBU), Ås, Norway.,Centre for Environmental Radioactivity, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Frédéric Alonzo
- Health and Environment Division, Institute for Radiological Protection and Nuclear Safety (IRSN), Saint-Paul-Lez-Durance, France
| | - Nicholas A Beresford
- UK Centre for Ecology & Hydrology, Lancaster Environment Centre, Bailrigg, UK.,School of Science, Engineering & Environment, University of Salford, Salford, UK
| | - Dag Anders Brede
- Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences (NMBU), Ås, Norway.,Centre for Environmental Radioactivity, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Elizabeth Dufourcq-Sekatcheff
- Health and Environment Division, Institute for Radiological Protection and Nuclear Safety (IRSN), Saint-Paul-Lez-Durance, France
| | - Rodolphe Gilbin
- Health and Environment Division, Institute for Radiological Protection and Nuclear Safety (IRSN), Saint-Paul-Lez-Durance, France
| | | | - Selma Hurem
- Centre for Environmental Radioactivity, Norwegian University of Life Sciences (NMBU), Ås, Norway.,Faculty of Veterinary medicine, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Patrick Laloi
- Health and Environment Division, Institute for Radiological Protection and Nuclear Safety (IRSN), Saint-Paul-Lez-Durance, France
| | - Erica Maremonti
- Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences (NMBU), Ås, Norway.,Centre for Environmental Radioactivity, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Deborah Oughton
- Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences (NMBU), Ås, Norway.,Centre for Environmental Radioactivity, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Olivier Simon
- Health and Environment Division, Institute for Radiological Protection and Nuclear Safety (IRSN), Saint-Paul-Lez-Durance, France
| | - You Song
- Norwegian Institute for Water Research (NIVA), Oslo, Norway.,Centre for Environmental Radioactivity, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Michael D Wood
- School of Science, Engineering & Environment, University of Salford, Salford, UK
| | - Li Xie
- Norwegian Institute for Water Research (NIVA), Oslo, Norway.,Centre for Environmental Radioactivity, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Sandrine Frelon
- Health and Environment Division, Institute for Radiological Protection and Nuclear Safety (IRSN), Saint-Paul-Lez-Durance, France
| |
Collapse
|
8
|
Cantabella E, Camilleri V, Cavalie I, Dubourg N, Gagnaire B, Charlier TD, Adam-Guillermin C, Cousin X, Armant O. Revealing the Increased Stress Response Behavior through Transcriptomic Analysis of Adult Zebrafish Brain after Chronic Low to Moderate Dose Rates of Ionizing Radiation. Cancers (Basel) 2022; 14:cancers14153793. [PMID: 35954455 PMCID: PMC9367516 DOI: 10.3390/cancers14153793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/29/2022] [Accepted: 08/01/2022] [Indexed: 12/10/2022] Open
Abstract
Simple Summary The increasing use of radiopharmaceuticals for medical diagnostics and radiotherapy raises concerns regarding health risks for both humans and the environment. Additionally, in the context of major nuclear accidents like in Chernobyl and Fukushima, very little is known about the effects of chronic exposure to low and moderate dose rates of ionizing radiation (IR). Many studies demonstrated the sensibility of the developmental brain, but little data exists for IR at low dose rates and their impact on adults. In this study, we characterized the molecular mechanisms that orchestrate stress behavior caused by chronic exposure to low to moderate dose rates of IR using the adult zebrafish model. We observed the establishment of a congruent stress response at both the molecular and individual levels. Abstract High levels of ionizing radiation (IR) are known to induce neurogenesis defects with harmful consequences on brain morphogenesis and cognitive functions, but the effects of chronic low to moderate dose rates of IR remain largely unknown. In this study, we aim at defining the main molecular pathways impacted by IR and how these effects can translate to higher organizational levels such as behavior. Adult zebrafish were exposed to gamma radiation for 36 days at 0.05 mGy/h, 0.5 mGy/h and 5 mGy/h. RNA sequencing was performed on the telencephalon and completed by RNA in situ hybridization that confirmed the upregulation of oxytocin and cone rod homeobox in the parvocellular preoptic nucleus. A dose rate-dependent increase in differentially expressed genes (DEG) was observed with 27 DEG at 0.05 mGy/h, 200 DEG at 0.5 mGy/h and 530 DEG at 5 mGy/h. Genes involved in neurotransmission, neurohormones and hypothalamic-pituitary-interrenal axis functions were specifically affected, strongly suggesting their involvement in the stress response behavior observed after exposure to dose rates superior or equal to 0.5 mGy/h. At the individual scale, hypolocomotion, increased freezing and social stress were detected. Together, these data highlight the intricate interaction between neurohormones (and particularly oxytocin), neurotransmission and neurogenesis in response to chronic exposure to IR and the establishment of anxiety-like behavior.
Collapse
Affiliation(s)
- Elsa Cantabella
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Pôle Santé Environnement-Environnement (PSE-ENV)/Service de Recherche sur les Transferts et les Effets des Radionucléides sur les Ecosystèmes (SRTE)/Laboratoire de Recherche sur les Effets des Radionucléides sur les Ecosystèmes (LECO), Cadarache, 13115 Saint-Paul-lez-Durance, France
- Correspondence: (E.C.); (O.A.)
| | - Virginie Camilleri
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Pôle Santé Environnement-Environnement (PSE-ENV)/Service de Recherche sur les Transferts et les Effets des Radionucléides sur les Ecosystèmes (SRTE)/Laboratoire de Recherche sur les Effets des Radionucléides sur les Ecosystèmes (LECO), Cadarache, 13115 Saint-Paul-lez-Durance, France
| | - Isabelle Cavalie
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Pôle Santé Environnement-Environnement (PSE-ENV)/Service de Recherche sur les Transferts et les Effets des Radionucléides sur les Ecosystèmes (SRTE)/Laboratoire de Recherche sur les Effets des Radionucléides sur les Ecosystèmes (LECO), Cadarache, 13115 Saint-Paul-lez-Durance, France
| | - Nicolas Dubourg
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Pôle Santé Environnement-Environnement (PSE-ENV)/Service de Recherche sur les Transferts et les Effets des Radionucléides sur les Ecosystèmes (SRTE)/Laboratoire de Recherche sur les Effets des Radionucléides sur les Ecosystèmes (LECO), Cadarache, 13115 Saint-Paul-lez-Durance, France
| | - Béatrice Gagnaire
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Pôle Santé Environnement-Environnement (PSE-ENV)/Service de Recherche sur les Transferts et les Effets des Radionucléides sur les Ecosystèmes (SRTE)/Laboratoire de Recherche sur les Effets des Radionucléides sur les Ecosystèmes (LECO), Cadarache, 13115 Saint-Paul-lez-Durance, France
| | - Thierry D. Charlier
- Univ. Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, 35000 Rennes, France
| | - Christelle Adam-Guillermin
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Pôle Santé Environnement-Santé (PSE-Santé)/Service de Recherche en Dosimétrie (SDOS)/Laboratoire de Micro-Irradiation, de Métrologie et de Dosimétrie des Neutrons (LMDN), Cadarache, 13115 Saint-Paul-lez-Durance, France
| | - Xavier Cousin
- MARBEC, Univ. Montpellier, CNRS, Ifremer, IRD, INRAE, 34250 Palavas Les Flots, France
| | - Oliver Armant
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Pôle Santé Environnement-Environnement (PSE-ENV)/Service de Recherche sur les Transferts et les Effets des Radionucléides sur les Ecosystèmes (SRTE)/Laboratoire de Recherche sur les Effets des Radionucléides sur les Ecosystèmes (LECO), Cadarache, 13115 Saint-Paul-lez-Durance, France
- Correspondence: (E.C.); (O.A.)
| |
Collapse
|
9
|
Semwal R, Semwal RB, Lehmann J, Semwal DK. Recent advances in immunotoxicity and its impact on human health: causative agents, effects and existing treatments. Int Immunopharmacol 2022; 108:108859. [DOI: 10.1016/j.intimp.2022.108859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 04/21/2022] [Accepted: 05/10/2022] [Indexed: 12/22/2022]
|
10
|
Noëmie G, Béatrice G, Virginie C, Isabelle C, Fabien P, Patrice G, Olivier S. Multigenerational exposure to gamma radiation affects offspring differently over generations in zebrafish. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 244:106101. [PMID: 35123208 DOI: 10.1016/j.aquatox.2022.106101] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 01/16/2022] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
Mutigenerational studies are now of great interest in ecotoxicology and previous studies have shown the importance of conducting multigenerational studies when assessing radiation toxicity in fish. In our study, the first objective was to study the early life stages (embryo-larval stages) and critical functions such as reproduction (which are generally studied in the context of ecological risk assessment (ERA)), in order to assess the sensitivity of zebrafish to ionizing radiation. The second objective was to assess acquisition of phenotypic effects at select life stages over generations. To our knowledge, this was the first time that irradiation of zebrafish (0.05 and 5 mGy.h-1) up to generation F2 was maintained with the following two exposure conditions: (1) recovery, only F0 genitors were irradiated and the progeny were placed in control condition, (2) irradiated condition, all generations were exposed. Multigenerational irradiation affected F1 parental reproductive capacity (reproductive success) mainly over the first reproductive cycle (104d) and larval survival rate. Unexpected yet significant effects on sex ratio were observed in F1 progeny after parental irradiation (mainly at 5 mGy.h-1). These effects were observed for both conditions -irradiated and recovery- suggesting transmitted effects from F0 genitors to offspring. All studied life stages were affected by ionizing radiation (IR), suggesting an alteration of vital physiological functions (reproduction and sexual determination). Such results highlight the hypothesis that IR affects population dynamics. In addition, the clear evidence of transmitted effects suggests worsening of effects at the population scale over generations. This approach is closer to environmental conditions to assess wild population fate, and thus highlights the importance of multigenerational studies to support ERA of ionizing radiation in fish.
Collapse
Affiliation(s)
- Guirandy Noëmie
- IRSN/PSE-ENV/SRTE/LECO, Centre de Cadarache, B.P. 3 - Bat 183, St Paul Lez Durance 13115, France.
| | - Gagnaire Béatrice
- IRSN/PSE-ENV/SRTE/LECO, Centre de Cadarache, B.P. 3 - Bat 183, St Paul Lez Durance 13115, France
| | - Camilleri Virginie
- IRSN/PSE-ENV/SRTE/LECO, Centre de Cadarache, B.P. 3 - Bat 183, St Paul Lez Durance 13115, France
| | - Cavalié Isabelle
- IRSN/PSE-ENV/SRTE/LECO, Centre de Cadarache, B.P. 3 - Bat 183, St Paul Lez Durance 13115, France
| | - Pierron Fabien
- UMR EPOC CNRS 5805, Place du Docteur Bertrand Peyneau, Arcachon 33120, France
| | - Gonzalez Patrice
- UMR EPOC CNRS 5805, Place du Docteur Bertrand Peyneau, Arcachon 33120, France
| | - Simon Olivier
- IRSN/PSE-ENV/SRTE/LECO, Centre de Cadarache, B.P. 3 - Bat 183, St Paul Lez Durance 13115, France
| |
Collapse
|
11
|
Marican HTA, Shen H. Metaphase-Based Cytogenetic Approach Identifies Radiation-Induced Chromosome and Chromatid Aberrations in Zebrafish Embryos. Radiat Res 2021; 197:261-269. [PMID: 34860251 DOI: 10.1667/rade-21-00145.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/08/2021] [Indexed: 11/03/2022]
Abstract
Metaphase-based cytogenetic methods based on scoring of chromosome aberrations for the estimation of the radiation dose received provide a powerful approach for evaluating the associated risk upon radiation exposure and form the bulk of our current knowledge of radiation-induced chromosome damages. They mainly rely on inducing quiescent peripheral lymphocytes into proliferation and blocking them at metaphases to quantify the damages at the chromosome level. However, human organs and tissues demonstrate various sensitivity towards radiation and within them, self-proliferating progenitor/stem cells are believed to be the most sensitive populations. The radiation-induced chromosome aberrations in these cells remain largely unknown, especially in the context of an intact living organism. Zebrafish is an ideal animal model for research into this aspect due to their small size and the large quantities of progenitor cells present during the embryonic stages. In this study, we employ a novel metaphase-based cytogenetic approach on zebrafish embryos and demonstrate that chromosome-type and chromatid-type aberrations could be identified in progenitor cells at different cell-cycle stages at the point of radiation exposure. Our work positions zebrafish at the forefront as a useful animal model for studying radiation-induced chromosome structural changes in vivo.
Collapse
Affiliation(s)
| | - Hongyuan Shen
- Singapore Nuclear Research and Safety Initiative, National University of Singapore, Singapore
| |
Collapse
|
12
|
Sayed AEDH, Nagata K, Nakazawa T, Mitani H, Kobayashi J, Oda S. Low Dose-Rate Irradiation of Gamma-Rays-Induced Cytotoxic and Genotoxic Alterations in Peripheral Erythrocytes of p53-Deficient Medaka (Oryzias latipes). FRONTIERS IN MARINE SCIENCE 2021. [DOI: 10.3389/fmars.2021.773481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Morphological alterations and nuclear abnormalities in fish erythrocytes have been used in many studies as bioindicators of environmental mutagens including ionizing radiation. In this study, adult Japanese medaka (Oryzias latipes) were irradiated with gamma rays at a low dose rate (9.92 μGy/min) for 7 days, giving a total dose of 100 mGy; and morphological alterations, nuclear abnormalities, and apoptotic cell death induced in peripheral erythrocytes were investigated 8 h and 7 days after the end of the irradiation. A variety of abnormalities, such as tear-drop cell, crenated cell, acanthocyte, sickled cell, micronucleated cell, eccentric nucleus, notched nucleus, and schistocyte, were induced in the peripheral erythrocytes of the wild-type fish, and a less number of abnormalities and apoptotic cell death were induced in the p53-deficient fish. These results indicate that low dose-rate chronic irradiation of gamma rays can induce cytotoxic and genotoxic effects in the peripheral erythrocytes of medaka, and p53-deficient medaka are tolerant to the gamma-ray irradiation than the wild type on the surface.
Collapse
|
13
|
Pucci G, Forte GI, Cavalieri V. Evaluation of Epigenetic and Radiomodifying Effects during Radiotherapy Treatments in Zebrafish. Int J Mol Sci 2021; 22:ijms22169053. [PMID: 34445758 PMCID: PMC8396651 DOI: 10.3390/ijms22169053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/17/2021] [Accepted: 08/17/2021] [Indexed: 01/03/2023] Open
Abstract
Radiotherapy is still a long way from personalizing cancer treatment plans, and its effectiveness depends on the radiosensitivity of tumor cells. Indeed, therapies that are efficient and successful for some patients may be relatively ineffective for others. Based on this, radiobiological research is focusing on the ability of some reagents to make cancer cells more responsive to ionizing radiation, as well as to protect the surrounding healthy tissues from possible side effects. In this scenario, zebrafish emerged as an effective model system to test for radiation modifiers that can potentially be used for radiotherapeutic purposes in humans. The adoption of this experimental organism is fully justified and supported by the high similarity between fish and humans in both their genome sequences and the effects provoked in them by ionizing radiation. This review aims to provide the literature state of the art of zebrafish in vivo model for radiobiological studies, particularly focusing on the epigenetic and radiomodifying effects produced during fish embryos’ and larvae’s exposure to radiotherapy treatments.
Collapse
Affiliation(s)
- Gaia Pucci
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STeBiCeF), University of Palermo, 90128 Palermo, Italy;
| | - Giusi Irma Forte
- Institute of Molecular Bioimaging and Physiology, National Research Council, 90015 Cefalù, Italy
- Correspondence: (G.I.F.); (V.C.)
| | - Vincenzo Cavalieri
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STeBiCeF), University of Palermo, 90128 Palermo, Italy;
- Zebrafish Laboratory, Advanced Technologies Network (ATeN) Center, University of Palermo, 90128 Palermo, Italy
- Correspondence: (G.I.F.); (V.C.)
| |
Collapse
|
14
|
Gagnaire B, Arcanjo C, Cavalié I, Camilleri V, Simon O, Dubourg N, Floriani M, Adam-Guillermin C. Effects of gamma ionizing radiation exposure on Danio rerio embryo-larval stages - comparison with tritium exposure. JOURNAL OF HAZARDOUS MATERIALS 2021; 408:124866. [PMID: 33429147 DOI: 10.1016/j.jhazmat.2020.124866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/02/2020] [Accepted: 12/11/2020] [Indexed: 06/12/2023]
Abstract
The objective was to investigate the effects of ionizing radiation induced in zebrafish early life stages by coupling responses obtained at the molecular (genotoxicity, ROS production, gene expression) and phenotypic (tissue alteration, embryo-larval development) levels. Here we present results obtained after exposure of 3 hpf larvae to 10 days of gamma irradiation at 3.3 × 101, 1.3 × 102 and 1.2 × 103 µGy/h, close to and higher than the benchmark for protection of ecosystems towards ionizing radiations of 101 µGy/h. Dose rates used in these studies were chosen to be in the 'derived consideration reference level' (DCRL) for gamma irradiation where deleterious effects can appear in freshwater fish. Also, these dose rates were similar to the ones already tested on tritium (beta ionizing radiation) in our previous work, in order to compare both types of ionizing radiation. Results showed that gamma irradiation did not induce any effect on survival and hatching. No effect was observed on DNA damages, but ROS production was increased. Muscle damages were observed for all tested dose rates, similarly to previous results obtained with tritium (beta ionizing radiation) at similar dose rates. Some molecular responses therefore appeared to be relevant for the study of gamma ionizing radiation effects in zebrafish.
Collapse
Affiliation(s)
- Beatrice Gagnaire
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France.
| | - Caroline Arcanjo
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Isabelle Cavalié
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Virginie Camilleri
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Olivier Simon
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Nicolas Dubourg
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Magali Floriani
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Christelle Adam-Guillermin
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-SANTE/SDOS/LMDN, Cadarache, Saint-Paul-lez-Durance 13115, France
| |
Collapse
|
15
|
Murat El Houdigui S, Adam-Guillermin C, Armant O. Ionising Radiation Induces Promoter DNA Hypomethylation and Perturbs Transcriptional Activity of Genes Involved in Morphogenesis during Gastrulation in Zebrafish. Int J Mol Sci 2020; 21:ijms21114014. [PMID: 32512748 PMCID: PMC7312202 DOI: 10.3390/ijms21114014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 05/28/2020] [Accepted: 06/01/2020] [Indexed: 12/22/2022] Open
Abstract
Embryonic development is particularly vulnerable to stress and DNA damage, as mutations can accumulate through cell proliferation in a wide number of cells and organs. However, the biological effects of chronic exposure to ionising radiation (IR) at low and moderate dose rates (< 6 mGy/h) remain largely controversial, raising concerns for environmental protection. The present study focuses on the molecular effects of IR (0.005 to 50 mGy/h) on zebrafish embryos at the gastrula stage (6 hpf), at both the transcriptomics and epigenetics levels. Our results show that exposure to IR modifies the expression of genes involved in mitochondrial activity from 0.5 to 50 mGy/h. In addition, important developmental pathways, namely, the Notch, retinoic acid, BMP and Wnt signalling pathways, were altered at 5 and 50 mGy/h. Transcriptional changes of genes involved in the morphogenesis of the ectoderm and mesoderm were detected at all dose rates, but were prominent from 0.5 to 50 mGy/h. At the epigenetic level, exposure to IR induced a hypomethylation of DNA in the promoter of genes that colocalised with both H3K27me3 and H3Kme4 histone marks and correlated with changes in transcriptional activity. Finally, pathway enrichment analysis demonstrated that the DNA methylation changes occurred in the promoter of important developmental genes, including morphogenesis of the ectoderm and mesoderm. Together, these results show that the transcriptional program regulating morphogenesis in gastrulating embryos was modified at dose rates greater than or equal to 0.5 mGy/h, which might predict potential neurogenesis and somitogenesis defects observed at similar dose rates later in development.
Collapse
Affiliation(s)
- Sophia Murat El Houdigui
- PSE-ENV/SRTE/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Cadarache, 13115 Saint-Paul-Lez-Durance, France;
| | - Christelle Adam-Guillermin
- PSE-SANTE/SDOS/LMDN, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Cadarache, 13115 Saint-Paul-Lez-Durance, France;
| | - Olivier Armant
- PSE-ENV/SRTE/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Cadarache, 13115 Saint-Paul-Lez-Durance, France;
- Correspondence:
| |
Collapse
|
16
|
Lerebours A, Robson S, Sharpe C, Smith JT. Subtle effects of radiation on embryo development of the 3-spined stickleback. CHEMOSPHERE 2020; 248:126005. [PMID: 32032873 DOI: 10.1016/j.chemosphere.2020.126005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 12/20/2019] [Accepted: 01/21/2020] [Indexed: 06/10/2023]
Abstract
The Chernobyl and Fukushima nuclear power plant (NPP) accidents that occurred in 1986 and 2011 respectively have led to many years of chronic radiation exposure of wildlife. However, controversies remain on the dose threshold above which an impact on animal health occurs. Fish have been highly exposed immediately after both accidents in freshwater systems around Chernobyl and in freshwater and marine systems around Fukushima. The dose levels decreased during the years after the accidents, however, little is known about the effects of environmental low doses of radiation on fish health. The present laboratory study assesses the effects of an environmentally relevant dose range of radiation (0.1, 1 and 10 mGy/day) on early life stages of the 3-spined stickleback, Gasterosteus aculeatus. The cardiac physiology and developmental features (head width, diameter, area) of high exposed embryos (10 mGy/day) showed no significant change when compared to controls. Embryos exposed to the medium and high dose were slower to hatch than the controls (between 166 and 195 h post-fertilization). After 10 days of exposure (at 240 h post-fertilization), larvae exposed to the high dose displayed comparable growth to controls. High-throughput sequence analysis of transcriptional changes at this time point revealed no significant changes in gene regulation compared to controls regardless of exposure conditions. Our results suggest that exposure of fish embryos to environmental radiation elicits subtle delays in hatching times, but does not impair the overall growth and physiology, nor the gene expression patterns in the recently hatched larvae.
Collapse
Affiliation(s)
- Adélaïde Lerebours
- School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, PO1 3QL, United Kingdom; School of Biological Sciences, University of Portsmouth, Portsmouth, PO1 2DY, United Kingdom.
| | - Samuel Robson
- Centre for Enzyme Innovation, University of Portsmouth, Portsmouth, PO1 2DT, United Kingdom
| | - Colin Sharpe
- School of Biological Sciences, University of Portsmouth, Portsmouth, PO1 2DY, United Kingdom
| | - Jim T Smith
- School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, PO1 3QL, United Kingdom
| |
Collapse
|
17
|
Gagnaire B, Arcanjo C, Cavalié I, Camilleri V, Simon O, Floriani M, Orjollet D, Adam-Guillermin C. Tritiated Water Exposure in Zebrafish (Danio rerio): Effects on the Early-Life Stages. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2020; 39:648-658. [PMID: 31858643 DOI: 10.1002/etc.4650] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 11/15/2019] [Accepted: 12/14/2019] [Indexed: 06/10/2023]
Abstract
Tritium, a radioactive isotope of hydrogen of natural and anthropogenic origin, is ubiquitously present in the environment. Effluents of nuclear centers of production are significant anthropogenic sources. With the upcoming project of thermonuclear fusion, tritium releases in the environment may increase. It is therefore important to characterize the ecological risk linked to tritium. The effects of tritiated water (HTO) were therefore studied in zebrafish larvae exposed for 10 d to different dose rates, 1.1 × 102 , 4.1 × 102 , and 3.8 × 103 µGy/h for larvae corresponding, respectively, to a water contamination of 104 , 105 , and 106 Bq/mL of HTO. Those dose rates were higher than 10 μGy/h, which is the threshold recommended to start monitoring ecosystems where radiological contaminants are present. Mortality, embryo-larval development, immune toxicity, genotoxicity, neurotoxicity, and alterations of tissues were investigated. The results showed that HTO exposure induced DNA damage and reactive oxygen species production and modulated the expression of genes involved in detoxification processes. Moreover, modifications of the muscular tissues (degradation of myofibrils at 4 d post fertilization and disorganization of mitochondria at later stages) were observed. The results differed with HTO dose rates and with developmental stages. These results will drive future research for the development of new HTO-sensitive biomarkers and will allow us to progress in the characterization of the modes of action of tritium in fish. Environ Toxicol Chem 2020;39:648-658. © 2019 SETAC.
Collapse
Affiliation(s)
- Béatrice Gagnaire
- PSE-ENV/SRTE/LECO, Institut de Radioprotection et de Sûreté Nucléaire, Cadarache, France
| | - Caroline Arcanjo
- PSE-ENV/SRTE/LECO, Institut de Radioprotection et de Sûreté Nucléaire, Cadarache, France
| | - Isabelle Cavalié
- PSE-ENV/SRTE/LECO, Institut de Radioprotection et de Sûreté Nucléaire, Cadarache, France
| | - Virginie Camilleri
- PSE-ENV/SRTE/LECO, Institut de Radioprotection et de Sûreté Nucléaire, Cadarache, France
| | - Olivier Simon
- PSE-ENV/SRTE/LECO, Institut de Radioprotection et de Sûreté Nucléaire, Cadarache, France
| | - Magali Floriani
- PSE-ENV/SRTE/LECO, Institut de Radioprotection et de Sûreté Nucléaire, Cadarache, France
| | - Daniel Orjollet
- PSE-ENV/SRTE/LR2T, Institut de Radioprotection et de Sûreté Nucléaire, Cadarache, France
| | | |
Collapse
|
18
|
Tong J, Hei TK. Aging and age-related health effects of ionizing radiation. RADIATION MEDICINE AND PROTECTION 2020. [DOI: 10.1016/j.radmp.2020.01.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
|
19
|
Vernon EL, Bean TP, Jha AN. Assessing relative biomarker responses in marine and freshwater bivalve molluscs following exposure to phosphorus 32 ( 32P): Application of genotoxicological and molecular biomarkers. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2020; 213:106120. [PMID: 31783294 DOI: 10.1016/j.jenvrad.2019.106120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 11/12/2019] [Accepted: 11/19/2019] [Indexed: 06/10/2023]
Abstract
Anthropogenic radionuclides can enter water bodies through accidental or controlled discharges. In order to assess their potential impact, understanding the link between exposure, tissue specific bioaccumulation and radiation dose rate, to biological or biomarker responses in aquatic biota is required. Adopting an integrated, multi-biomarker, multi-species approach, we have investigated potential biological responses induced by short-lived radionuclide, phosphorus-32 (32P, radiophosphorus) in two ecologically important mussel species, the freshwater Dreissena polymorpha (DP) and marine Mytilus galloprovincialis (MG). Adult individuals were exposed to 32P for 10 days, to acquire nominal whole-body average dose rates of 0.10, 1 and 10 mGy d-1, which encompass a screening value of 10 μGy h-1 (0.24 mGy d-1), in accordance with the ERICA tool. Following exposure, a suite of genotoxic biomarkers (DNA damage, γ-H2AX induction and micronucleus [MN] formation) were measured in gill and digestive gland tissues, along with transcriptional expression of selected stress-related genes in both the species (i.e. hsp70/90, sod, cat and gst). Our results demonstrate the relationship between tissue specific dosimetry, where 32P induced a dose-dependent increase, and biological responses independent of species. Gene expression analysis revealed little significant variation across species or tissues. Overall, MG appeared to be more sensitive to short-term damage (i.e. high DNA damage and γ-H2AX induction), particularly in digestive gland. This study contributes to limited knowledge on the transfer and biological impact of radionuclides within differing aquatic systems on a tissue specific level, aiding the development of adequate management and protective strategies.
Collapse
Affiliation(s)
- Emily L Vernon
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Tim P Bean
- Cefas Weymouth Laboratory, Barrack Road, The Nothe, Weymouth, Dorset, DT4 8UB, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK.
| |
Collapse
|
20
|
Arcanjo C, Adam-Guillermin C, Murat El Houdigui S, Loro G, Della-Vedova C, Cavalie I, Camilleri V, Floriani M, Gagnaire B. Effects of tritiated water on locomotion of zebrafish larvae: a new insight in tritium toxic effects on a vertebrate model species. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 219:105384. [PMID: 31869577 DOI: 10.1016/j.aquatox.2019.105384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 12/05/2019] [Accepted: 12/15/2019] [Indexed: 06/10/2023]
Abstract
Tritium (3H), a radioactive isotope of hydrogen, is ubiquitously present in the environment. In a previous study, we highlighted a mis-regulation of genes involved in muscle contraction, eye transparency and response to DNA damages after exposure of zebrafish embryo-larvae from 3 hpf to 96 hpf at 0.4 and 4 mGy/h of tritiated water (HTO). The present study aimed to link this gene mis-regulation to responses observed at higher biological levels. Analyses on spontaneous tail movement, locomotor activity and heart rate were performed. Histological sections of eyes were made to evaluate the impact of HTO on eye transparency and whole embryo immunostainings were realized to assess DNA double strand breaks repair using gamma-H2AX foci. We found a decrease of basal velocity as well as a decrease of response in 96 hpf larvae exposed at 0.4 mGy/h after a tactile stimulus as compared to controls. Histological sections of larvae eyes performed after the exposure to 4 mGy/h did not show obvious differences in lens transparency or retinal development between contaminated and control organisms. Gamma-H2AX foci detection revealed no differences in the number of foci between contaminated organisms and controls, for both dose rates. Overall, results highlighted more detrimental effects of HTO exposure on locomotor behavior in 96 hpf larvae exposed at the lowest dose rate. Those results could be linked to mis-regulation of genes involved in muscle contraction found in a previous study at the same dose rate. It appears that not all effects found at the molecular scale were confirmed using higher biological scales. These results could be due to a delay between gene expression modulation and the onset of physiological disruption or homeostatic mechanisms to deal with tritium effects. However, crossing data from different scales highlighted new pathways to explore, i.e. neurotoxic pathways, for better understanding HTO effects on organisms.
Collapse
Affiliation(s)
- Caroline Arcanjo
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France.
| | - Christelle Adam-Guillermin
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-SANTE\SDOS\LMDN, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Sophia Murat El Houdigui
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Giovanna Loro
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Claire Della-Vedova
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Isabelle Cavalie
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Virginie Camilleri
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Magali Floriani
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Béatrice Gagnaire
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France.
| |
Collapse
|
21
|
Gagnaire B, Gosselin I, Festarini A, Walsh S, Cavalié I, Adam-Guillermin C, Della-Vedova C, Farrow F, Kim SB, Shkarupin A, Chen HQ, Beaton D, Stuart M. Effects of in vivo exposure to tritium: a multi-biomarker approach using the fathead minnow, Pimephales promelas. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:3612-3623. [PMID: 30460657 DOI: 10.1007/s11356-018-3781-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 11/15/2018] [Indexed: 06/09/2023]
Abstract
Tritium (3H) is a radioactive isotope of hydrogen. In the environment, the most common form of tritium is tritiated water (HTO). However, tritium can also be incorporated into organic molecules, forming organically bound tritium (OBT). The present study characterized the effects of tritium on the health of the fathead minnow, Pimephales promelas. Fish were exposed to a gradient of HTO (activity concentrations of 12,000, 25,000, and 180,000 Bq/L) and OBT using food spiked with tritiated amino acids (OBT only, with an activity concentration of 27,000 Bq/L). A combined exposure condition where fish were placed in 25,000 Bq/L water and received OBT through feed was also studied. Fish were exposed for 60 days, followed by a 60-day depuration period. A battery of health biomarkers were measured in fish tissues at seven time points throughout the 120 days required to complete the exposure and depuration phases. HTO and OBT were also measured in fish tissues at the same time points. Results showed effects of increasing tritium activity concentrations in water after 60 days of exposure. The internal dose rates of tritium, estimated from the tissue free-water tritium (TFWT) and OBT activity concentrations, reached a maximum of 0.65 μGy/h, which is relatively low considering background levels. No effects were observed on survival, fish condition, and metabolic indices (gonado-, hepato-, and spleno-somatic indexes (GSI, HSI, SSI), RNA/DNA and proteins/DNA ratios). Multivariate analyses showed that several biomarkers (DNA damages, micronucleus frequency, brain acetylcholinesterase, lysosomal membrane integrity, phagocytosis activity, and reactive oxygen species production) were exclusively correlated with fish tritium internal dose rate, showing that tritium induced genotoxicity, as well as neural and immune responses. The results were compared with another study on the same fish species where fish were exposed to tritium and other contaminants in natural environments. Together with the field study, the present work provides useful data to identify biomarkers for tritium exposure and better understand modes of action of tritium on the fathead minnow.
Collapse
Affiliation(s)
- Béatrice Gagnaire
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada.
| | - Isabelle Gosselin
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada
| | - Amy Festarini
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada
| | - Stephanie Walsh
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada
| | - Isabelle Cavalié
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Christelle Adam-Guillermin
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Claire Della-Vedova
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LRTA, Cadarache, 13115, Saint-Paul-lez-Durance, France
| | - Francesca Farrow
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada
| | - Sang Bog Kim
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada
| | - Alexi Shkarupin
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada
| | - Hui Qun Chen
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada
| | - Danielle Beaton
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada
| | - Marilyne Stuart
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON, K0J 1J0, Canada
| |
Collapse
|
22
|
A systems biology approach reveals neuronal and muscle developmental defects after chronic exposure to ionising radiation in zebrafish. Sci Rep 2019; 9:20241. [PMID: 31882844 PMCID: PMC6934629 DOI: 10.1038/s41598-019-56590-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 12/13/2019] [Indexed: 11/11/2022] Open
Abstract
Contamination of the environment after the Chernobyl and Fukushima Daiichi nuclear power plant (NPP) disasters led to the exposure of a large number of humans and wild animals to radioactive substances. However, the sub-lethal consequences induced by these absorbed radiological doses remain understudied and the long-term biological impacts largely unknown. We assessed the biological effects of chronic exposure to ionizing radiation (IR) on embryonic development by exposing zebrafish embryo from fertilization and up to 120 hours post-fertilization (hpf) at dose rates of 0.5 mGy/h, 5 mGy/h and 50 mGy/h, thereby encompassing the field of low dose rates defined at 6 mGy/h. Chronic exposure to IR altered larval behaviour in a light-dark locomotor test and affected cardiac activity at a dose rate as low as 0.5 mGy/h. The multi-omics analysis of transcriptome, proteome and transcription factor binding sites in the promoters of the deregulated genes, collectively points towards perturbations of neurogenesis, muscle development, and retinoic acid (RA) signaling after chronic exposure to IR. Whole-mount RNA in situ hybridization confirmed the impaired expression of the transcription factors her4.4 in the central nervous system and myogenin in the developing muscles of exposed embryos. At the organ level, the assessment of muscle histology by transmission electron microscopy (TEM) demonstrated myofibers disruption and altered neuromuscular junctions in exposed larvae at 5 mGy/h and 50 mGy/h. The integration of these multi-level data demonstrates that chronic exposure to low dose rates of IR has an impact on neuronal and muscle progenitor cells, that could lead to motility defects in free swimming larvae at 120 hpf. The mechanistic understanding of these effects allows us to propose a model where deregulation of RA signaling by chronic exposure to IR has pleiotropic effects on neurogenesis and muscle development.
Collapse
|
23
|
Gan L, Guo M, Si J, Zhang J, Liu Z, Zhao J, Wang F, Yan J, Li H, Zhang H. Protective effects of phenformin on zebrafish embryonic neurodevelopmental toxicity induced by X-ray radiation. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:4202-4210. [DOI: 10.1080/21691401.2019.1687505] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Lu Gan
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Menghuan Guo
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Jing Si
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jinhua Zhang
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Zhiyuan Liu
- College of Chemical Engineering, Northwest Minzu University, Lanzhou, China
| | - Jin Zhao
- Medical College of Northwest Minzu University, Lanzhou, China
| | - Fang Wang
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Junfang Yan
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Hongyan Li
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Hong Zhang
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| |
Collapse
|
24
|
Guirandy N, Gagnaire B, Frelon S, Munch T, Dubourg N, Camilleri V, Cavalié I, Floriani M, Arcanjo C, Murat El Houdigui S, Armant O, Adam-Guillermin C, Gonzalez P, Simon O. Adverse effects induced by chronic gamma irradiation in progeny of adult fish not affecting parental reproductive performance. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2019; 38:2556-2567. [PMID: 31393625 DOI: 10.1002/etc.4562] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/11/2019] [Accepted: 08/01/2019] [Indexed: 06/10/2023]
Abstract
Multigenerational studies have become of great interest in ecotoxicology since the consequence of parental exposure to contaminants on offspring generations was established in situ or in laboratory conditions. The present study mainly examined the chronic effects of external Cs-137 gamma irradiation exposure at 4 dose rates (control, 0.5, 5, and 50 mGy h-1 ) on adult zebrafish (F0) exposed for 10 d and their progeny (F1) exposed or unexposed for 4 to 5 d. The main endpoints investigated included parental reproductive performance, embryo-larval survival, DNA alterations, and reactive oxygen species (ROS) production in F0 and F1. No effects on reproductive success, fecundity, or egg fertilization rate were observed. However, drastic effects were observed on F1 exposed to 50 mGy h-1 , resulting in a mortality rate of 100%. The drastic effects were also observed when the progeny was not irradiated. It was demonstrated that the sensitivity of the embryos was mainly attributable to parental irradiation. Moreover, these drastic effects induced by adult irradiation disappeared over time when 10 d-irradiated adults were placed in a nonirradiated condition. Alterations in larval DNA were observed for the 3 dose rates, and an increase of ROS production was also shown for the 2 lowest dose rates. The present study improves our understanding of the consequences of parental exposure conditions to the progeny. Furthermore, it provides an incentive to take transmitted generational effects into account in ecological risk assessments. Environ Toxicol Chem 2019;38:2556-2567. © 2019 SETAC.
Collapse
Affiliation(s)
- Noémie Guirandy
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Béatrice Gagnaire
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Sandrine Frelon
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Thomas Munch
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Nicolas Dubourg
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Virginie Camilleri
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Isabelle Cavalié
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Magali Floriani
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Caroline Arcanjo
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Sophia Murat El Houdigui
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Olivier Armant
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | - Christelle Adam-Guillermin
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| | | | - Olivier Simon
- Institut de Radioprotection et de Surêté Nucléaire, PSE-ENV/SRTE/LECO, Cadarache, Saint Paul-lez-Durance, France
| |
Collapse
|
25
|
Cruz FF, Pereira TCB, Altenhofen S, da Costa KM, Bogo MR, Bonan CD, Morrone FB. Characterization of the adenosinergic system in a zebrafish embryo radiotherapy model. Comp Biochem Physiol C Toxicol Pharmacol 2019; 224:108572. [PMID: 31306805 DOI: 10.1016/j.cbpc.2019.108572] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 06/27/2019] [Accepted: 07/09/2019] [Indexed: 12/15/2022]
Abstract
Adenosine is a nucleoside that acts as a signaling molecule by activating P1 purinergic receptors (A1, A2A, A2B and A3). This activation is involved in immune responses, inflammation, and tissue remodeling and tumor progression. Gamma rays are a type of ionizing radiation widely adopted in radiotherapy of tumors. Although it brings benefits to the success of the therapeutic scheme, it can trigger cellular damages, inducing a perpetual inflammatory response that culminates in adverse effects and severe toxicity. Our study aims to characterize the adenosinergic system in a zebrafish embryo radiotherapy model, relating the adenosine signaling to the changes elicited by radiation exposure. To standardize the radiotherapy procedure, we established a toxicological profile after exposure. Zebrafish were irradiated with different doses of gamma rays (2, 5, 10, 15 and 20 Gy) at 24 hpf. Survival, hatching rate, heartbeats, locomotor activity and morphological changes were determined during embryos development. Although without significant difference in survival, gamma-irradiated embryos had their heartbeats increased and presented decreased hatching time, changes in locomotor activity and important morphological alterations. The exposure to 10 Gy disrupted the ecto-5'-nucleotidase/CD73 and adenosine deaminase/ADA enzymatic activity, impairing adenosine metabolism. We also demonstrated that radiation decreased A2B receptor gene expression, suggesting the involvement of extracellular adenosine in the changes prompted by radiotherapy. Our results indicate that the components of the adenosinergic system may be potential targets to improve radiotherapy and manage the tissue damage and toxicity of ionizing radiation.
Collapse
Affiliation(s)
- Fernanda Fernandes Cruz
- Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Farmacologia Aplicada, Escola de Ciências da Saúde, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Talita Carneiro Brandão Pereira
- Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Biologia Genômica e Molecular, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Stefani Altenhofen
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Kesiane Mayra da Costa
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Biologia Genômica e Molecular, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Maurício Reis Bogo
- Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Biologia Genômica e Molecular, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Carla Denise Bonan
- Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Fernanda Bueno Morrone
- Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Farmacologia Aplicada, Escola de Ciências da Saúde, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil.
| |
Collapse
|
26
|
Gagnaire B, Bonnet M, Tchamitchian S, Cavalié I, Della-Vedova C, Dubourg N, Adam-Guillermin C, Brunet JL, Belzunces LP. Physiological effects of gamma irradiation in the honeybee, Apis mellifera. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 174:153-163. [PMID: 30825738 DOI: 10.1016/j.ecoenv.2019.02.031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/17/2019] [Accepted: 02/11/2019] [Indexed: 06/09/2023]
Abstract
Terrestrial ecosystems are exposed to various kinds of pollutants, including radionuclides. The honeybee, Apis mellifera, is commonly used in ecotoxicology as a model species for evaluating the effects of pollutants. In the present study, honeybees were irradiated right after birth for 14 days with gamma rays at dose rates ranging between 4.38 × 10-3 and 588 mGy/d. Biological tissues (head, intestine and abdomen) were sampled at D3, D10 and D14. Ten different physiological markers involved in nervous (acetylcholinesterase (AChE)), antioxidative (catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx) and glutathione-S-transferase (GST)), immune system (phenoloxidase (PO)) and metabolism (carboxylesterases (CaEs) and alkaline phosphatase (ALP)) were measured. Univariate analyses were conducted to determine whether each individual biomarker response was positively or negatively correlated with the dose rate. Then, multivariate analyses were applied to investigate the relationships between all the biomarker responses. Although no mortality occurred during the experiment, several biomarkers varied significantly in relation to the dose rate. Globally, the biomarkers of antioxidant and immune systems decreased as the dose rate increased. Reversible effects on the indicator of the neural system were found. Concerning indicators of metabolism (carboxylesterases), variations occurred but no clear pattern was found. Taken altogether, these results help better understand the effects of ionizing radiation on bees by identifying relevant physiological markers of effects. These results could improve the assessment of the environmental risk due to ionizing radiation in terrestrial ecosystems.
Collapse
Affiliation(s)
- B Gagnaire
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France.
| | - M Bonnet
- INRA, Institut National de la Recherche Agronomique, Laboratoire de Toxicologie Environnementale, UR 406 A&E, CS 40509, 84914 Avignon Cedex 9, France
| | - S Tchamitchian
- INRA, Institut National de la Recherche Agronomique, Laboratoire de Toxicologie Environnementale, UR 406 A&E, CS 40509, 84914 Avignon Cedex 9, France
| | - I Cavalié
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - C Della-Vedova
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LRTA, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - N Dubourg
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - C Adam-Guillermin
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - J-L Brunet
- INRA, Institut National de la Recherche Agronomique, Laboratoire de Toxicologie Environnementale, UR 406 A&E, CS 40509, 84914 Avignon Cedex 9, France
| | - L P Belzunces
- INRA, Institut National de la Recherche Agronomique, Laboratoire de Toxicologie Environnementale, UR 406 A&E, CS 40509, 84914 Avignon Cedex 9, France.
| |
Collapse
|
27
|
Gaaied S, Oliveira M, Le Bihanic F, Cachot J, Banni M. Gene expression patterns and related enzymatic activities of detoxification and oxidative stress systems in zebrafish larvae exposed to the 2,4-dichlorophenoxyacetic acid herbicide. CHEMOSPHERE 2019; 224:289-297. [PMID: 30825855 DOI: 10.1016/j.chemosphere.2019.02.125] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/15/2019] [Accepted: 02/20/2019] [Indexed: 06/09/2023]
Abstract
The present study aims to assess the effects of 2,4-D herbicide on biotransformation and oxidative stress status of zebrafish larvae. Animals were exposed to a range of sublethal concentrations (0.02-0.8 mg/L) and biomarkers at transcriptomic level and biochemical level were assessed. Chemical analysis with showed that the bioaccumulation of 2,4-D in 96 hpf zebrafish larvae were increased in a concentration-dependent manner. This herbicide induced significant effects at both gene expression and enzymatic activities levels after at 96 hpf. Results of mRNA expression showed a differential transcription regulation with all target genes depending on the tested concentrations. The mRNA level of gsr and cyp1a were up regulated at the highest dose of herbicide (0.8 mg/L). The gene expression of gstp1 showed an up regulation at lower dose (0.02 mg/L) and a down regulation at the highest dose (0.8 mg/L) of 2,4-D. A significant induction of EROD activity and inhibition of GST activity were noted in groups exposed to 0.8 mg/L of 2,4-D. Considering the antioxidant defenses, the activity of CAT was increased in larvae exposed to 0.8 mg/L of herbicide and GPx activity was induced at lower doses of 2,4-D (0.02 and 0.051 mg/L). Moreover, peroxidative damage, assessed as MDA content, was markedly increased in larvae exposed to high 2,4-D concentration. Overall, the present study data indicate that bioaccumulation of 2,4-D in 96 hpf zebrafish larvae and alterations in detoxification and oxidative stress related parameters, likely associated with ROS production, which may endanger the embryo-larval stages development of fish.
Collapse
Affiliation(s)
- Sonia Gaaied
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, Sousse, Tunisia
| | - Miguel Oliveira
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Florane Le Bihanic
- University Bordeaux, Laboratory of Oceanic and Continental Environments and Paleoenvironments, EPOC, UMR 5805, F-33600, Pessac, France
| | - Jérôme Cachot
- University Bordeaux, Laboratory of Oceanic and Continental Environments and Paleoenvironments, EPOC, UMR 5805, F-33600, Pessac, France
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, Sousse, Tunisia.
| |
Collapse
|
28
|
Honjo Y, Ichinohe T. Cellular responses to ionizing radiation change quickly over time during early development in zebrafish. Cell Biol Int 2019; 43:516-527. [PMID: 30791195 PMCID: PMC6850130 DOI: 10.1002/cbin.11117] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 02/17/2019] [Indexed: 01/08/2023]
Abstract
Animal cells constantly receive information about and respond to environmental factors, including ionizing radiation. Although it is crucial for a cell to repair radiation-induced DNA damage to ensure survival, cellular responses to radiation exposure during early embryonic development remain unclear. In this study, we analyzed the effects of ionizing radiation in zebrafish embryos and found that radiation-induced γH2AX foci formation and cell cycle arrest did not occur until the gastrula stage, despite the presence of major DNA repair-related gene transcripts, passed on as maternal factors. Interestingly, P21/WAF1 accumulation began ∼6 h post-fertilization, although p21 mRNA was upregulated by irradiation at 2 or 4 h post-fertilization. These results suggest that the cellular responses of zebrafish embryos at 2 or 4 h post-fertilization to radiation failed to overcome P21 protein accumulation and further signaling. Regulation of P21/WAF1 protein stabilization appears to be a key factor in the response to genotoxins during early embryogenesis.
Collapse
Affiliation(s)
- Yasuko Honjo
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine (RIRBM), Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 754-8553, Japan
| | - Tatsuo Ichinohe
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine (RIRBM), Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 754-8553, Japan
| |
Collapse
|
29
|
Zhao W, Hu N, Ding D, Long D, Li S, Li G, Zhang H. Developmental toxicity and apoptosis in zebrafish embryos induced by low-dose γ-ray irradiation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:3869-3881. [PMID: 30539402 DOI: 10.1007/s11356-018-3893-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 11/29/2018] [Indexed: 06/09/2023]
Abstract
In this paper, the developmental toxicity and apoptosis in zebrafish (Danio rerio) embryos induced by 0.01, 0.05, and 0.10-Gy γ-ray irradiation were investigated and verified by single cell gel electrophoresis, acridine orange staining, flow cytometry, transmission electron microscopy, digital gene expression sequencing, and Western blot analysis. DNA damage, deformity rates, and apoptosis of zebrafish embryos were found to increase significantly with the increase of irradiation dose, and survival and hatching rates significantly decreased when the irradiation dose exceeds 0.10 and 0.05 Gy, respectively. Exposure to 0.10-Gy γ-ray irradiation resulted in the swelling of cell mitochondria of zebrafish embryos and changes in their intracellular vacuoles. mRNA and protein expression levels of Shh (sonic hedgehog 19 KDa) and Smo (smoothened 86 KDa) of Hh signaling pathway associated with the development of early embryos significantly increased with the increase of irradiation dose. Expression of the AKT (56 KDa) and PiK3r3 (55 KDa) genes, which are anti-apoptotic and involved with the PI3K/Akt signaling pathway, significantly decreased, while expression of the bada gene, which is pro-apoptotic, significantly increased. The results show that γ-ray irradiations of 0.01 and 0.05 Gy can induce developmental toxicity and apoptosis in zebrafish embryos via Hh and PI3K/Akt signaling pathways, respectively.
Collapse
Affiliation(s)
- Weichao Zhao
- School of Environment Protection and Safety Engineering, University of South China, Hengyang, 421001, China
- School of Public Health, University of South China, Hengyang, 421001, Hunan, China
| | - Nan Hu
- Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, China
| | - Dexin Ding
- Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, China.
| | - Dingxin Long
- School of Public Health, University of South China, Hengyang, 421001, Hunan, China
| | - Sheng Li
- Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, China
| | - Guangyue Li
- Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, China
| | - Hui Zhang
- Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, China
| |
Collapse
|
30
|
Simon O, Barjhoux I, Camilleri V, Gagnaire B, Cavalié I, Orjollet D, Darriau F, Pereira S, Beaugelin-Seillers K, Adam-Guillermin C. Uptake, depuration, dose estimation and effects in zebrafish exposed to Am-241 via dietary route. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2018; 193-194:68-74. [PMID: 30199762 DOI: 10.1016/j.jenvrad.2018.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 07/13/2018] [Accepted: 08/19/2018] [Indexed: 06/08/2023]
Abstract
Zebrafish were chronically exposed to Am-241, an alpha-emitting radionuclide via daily consumption of an enriched artificial diet. Am-241 uptake was quantified in Danio rerio after 5 and 21 days of exposure via daily Am-spiked food ingestion and after 21 days of exposure followed by 5 days of depuration. Americium accumulates mostly in digestive tract, muscle, rest of the body but the accumulation levels and trophic transfer rate (0.033-0.013%) were low. Corresponding cumulative doses were calculated for the whole body (9 mGy) and for the digestive tract (42 mGy) with internal alpha radiation contributing to more than 99% of the total dose. Genotoxic effects (gamma-H2AX assay) and differential gene expressions of main biological functions were examined. Although fish were exposed to a low dose rate of 13 μGy h-1, DNA integrity and gene expression linked to oxidative stress, hormonal signaling and spermatogenesis were altered after 21 days of Am-241 exposure. These results underline the higher toxicity of alpha emitter Am-241, as compared to other studies on gamma radiation exposure.
Collapse
Affiliation(s)
- O Simon
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LECO, Cadarache, Saint Paul-lez-Durance, France.
| | - I Barjhoux
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LECO, Cadarache, Saint Paul-lez-Durance, France
| | - V Camilleri
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LECO, Cadarache, Saint Paul-lez-Durance, France
| | - B Gagnaire
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LECO, Cadarache, Saint Paul-lez-Durance, France
| | - I Cavalié
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LECO, Cadarache, Saint Paul-lez-Durance, France
| | - D Orjollet
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LR2T, Cadarache, Saint Paul-lez-Durance, France
| | - F Darriau
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LECO, Cadarache, Saint Paul-lez-Durance, France
| | - S Pereira
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LECO, Cadarache, Saint Paul-lez-Durance, France
| | - K Beaugelin-Seillers
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LECO, Cadarache, Saint Paul-lez-Durance, France
| | - C Adam-Guillermin
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE ENV SRTE LECO, Cadarache, Saint Paul-lez-Durance, France
| |
Collapse
|
31
|
Arcanjo C, Armant O, Floriani M, Cavalie I, Camilleri V, Simon O, Orjollet D, Adam-Guillermin C, Gagnaire B. Tritiated water exposure disrupts myofibril structure and induces mis-regulation of eye opacity and DNA repair genes in zebrafish early life stages. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 200:114-126. [PMID: 29751158 DOI: 10.1016/j.aquatox.2018.04.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 04/16/2018] [Accepted: 04/20/2018] [Indexed: 06/08/2023]
Abstract
Tritium (3H) is a radioactive isotope of hydrogen. In the environment, the most common form of tritium is tritiated water (HTO). The present study aimed to identify early biomarkers of HTO contamination through the use of an aquatic model, the zebrafish (Danio rerio). We used the zebrafish embryo-larvae model to investigate the modes of action of HTO exposure at dose rates of 0.4 and 4 mGy/h, dose rates expected to induce deleterious effects on fish. Zebrafish were exposed to HTO from 3 hpf (hours post fertilization) to 96 hpf. The transcriptomic effects were investigated 24 h and 96 h after the beginning of the contamination, using mRNAseq. Results suggested an impact of HTO contamination, regardless of the dose rate, on genes involved in muscle contraction (tnnt2d, tnni2a.4, slc6a1a or atp2a1l) and eye opacity (crygm2d9, crygmxl1, mipb or lim2.3) after 24 h of contamination. Interestingly, an opposite differential expression was highlighted in genes playing a role in muscle contraction and eye opacity in 24 hpf embryos when comparing dose rates, suggesting an onset of DNA protective mechanisms. The expression of h2afx and ddb2 involved in DNA repair was enhanced in response to HTO exposure. The entrainment of circadian clock and the response to H2O2 signalling pathways were enriched at 96 hpf at 0.4 mGy/h and in both stages after 4 mGy/h. Genes involved in ROS scavenging were differentially expressed only after 24 h of exposure for the lowest dose rate, suggesting the onset of early protective mechanisms against oxidative stress. Effects highlighted on muscle at the molecular scale were confirmed at a higher biological scale, as electron microscopy observations revealed sarcomere impairments in 96 hpf larvae for both dose rates. Together with other studies, the present work provides useful data to better understand modes of action of tritium on zebrafish embryos-larvae.
Collapse
Affiliation(s)
- Caroline Arcanjo
- Institut de Radioprotection et de SÛreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, France.
| | - Olivier Armant
- Institut de Radioprotection et de SÛreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, France
| | - Magali Floriani
- Institut de Radioprotection et de SÛreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, France
| | - Isabelle Cavalie
- Institut de Radioprotection et de SÛreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, France
| | - Virginie Camilleri
- Institut de Radioprotection et de SÛreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, France
| | - Olivier Simon
- Institut de Radioprotection et de SÛreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, France
| | - Daniel Orjollet
- Institut de Radioprotection et de SÛreté Nucléaire (IRSN), PSE-ENV/SRTE/LR2T, Cadarache, Saint-Paul-lez-Durance, France
| | - Christelle Adam-Guillermin
- Institut de Radioprotection et de SÛreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, France
| | - Béatrice Gagnaire
- Institut de Radioprotection et de SÛreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, Saint-Paul-lez-Durance, France.
| |
Collapse
|
32
|
Lourenço J, Marques S, Carvalho FP, Oliveira J, Malta M, Santos M, Gonçalves F, Pereira R, Mendo S. Uranium mining wastes: The use of the Fish Embryo Acute Toxicity Test (FET) test to evaluate toxicity and risk of environmental discharge. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 605-606:391-404. [PMID: 28672228 DOI: 10.1016/j.scitotenv.2017.06.125] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 06/15/2017] [Accepted: 06/15/2017] [Indexed: 05/28/2023]
Abstract
Active and abandoned uranium mining sites often create environmentally problematic situations, since they cause the contamination of all environmental matrices (air, soil and water) with stable metals and radionuclides. Due to their cytotoxic, genotoxic and teratogenic properties, the exposure to these contaminants may cause several harmful effects in living organisms. The Fish Embryo Acute Toxicity Test (FET) test was employed to evaluate the genotoxic and teratogenic potential of mine liquid effluents and sludge elutriates from a deactivated uranium mine. The aims were: a) to determine the risk of discharge of such wastes in the environment; b) the effectiveness of the chemical treatment applied to the uranium mine water, which is a standard procedure generally applied to liquid effluents from uranium mines and mills, to reduce its toxicological potential; c) the suitability of the FET test for the evaluation the toxicity of such wastes and the added value of including the evaluation of genotoxicity. Results showed that through the FET test it was possible to determine that both elutriates and effluents are genotoxic and also that the mine effluent is teratogenic at low concentrations. Additionally, liquid effluents and sludge elutriates affect other parameters namely, growth and hatching and that water pH alone played an important role in the hatching process. The inclusion of genotoxicity evaluation in the FET test was crucial to prevent the underestimation of the risks posed by some of the tested effluents/elutriates. Finally, it was possible to conclude that care should be taken when using benchmark values calculated for specific stressors to evaluate the risk posed by uranium mining wastes to freshwater ecosystems, due to their chemical complexity.
Collapse
Affiliation(s)
- J Lourenço
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - S Marques
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - F P Carvalho
- Instituto Superior Técnico/Laboratório de Proteccão e Segurança Radiológica, Universidade de Lisboa, Estrada Nacional 10, km 139, 2695-066 Bobadela LRS, Portugal.
| | - J Oliveira
- Instituto Superior Técnico/Laboratório de Proteccão e Segurança Radiológica, Universidade de Lisboa, Estrada Nacional 10, km 139, 2695-066 Bobadela LRS, Portugal.
| | - M Malta
- Instituto Superior Técnico/Laboratório de Proteccão e Segurança Radiológica, Universidade de Lisboa, Estrada Nacional 10, km 139, 2695-066 Bobadela LRS, Portugal.
| | - M Santos
- Instituto Superior Técnico/Laboratório de Proteccão e Segurança Radiológica, Universidade de Lisboa, Estrada Nacional 10, km 139, 2695-066 Bobadela LRS, Portugal.
| | - F Gonçalves
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - R Pereira
- Department of Biology, Faculty of Sciences of the University of Porto & CIIMAR - Interdisciplinary Centre of Marine and Environmental Research & GreenUP/CITAB-UP, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal.
| | - S Mendo
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| |
Collapse
|
33
|
Gagnaire B, Adam-Guillermin C, Festarini A, Cavalié I, Della-Vedova C, Shultz C, Kim SB, Ikert H, Dubois C, Walsh S, Farrow F, Beaton D, Tan E, Wen K, Stuart M. Effects of in situ exposure to tritiated natural environments: A multi-biomarker approach using the fathead minnow, Pimephales promelas. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 599-600:597-611. [PMID: 28494285 DOI: 10.1016/j.scitotenv.2017.04.210] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 04/14/2017] [Accepted: 04/27/2017] [Indexed: 06/07/2023]
Abstract
Aquatic ecosystems are chronically exposed to radionuclides as well as other pollutants. Increased concentrations of pollutants in aquatic environments can present a risk to exposed organisms, including fish. The goal of this study was to characterize the effects of tritium, in the context of natural environments, on the health of fathead minnow, Pimephales promelas. Fish were exposed to tritium (activity concentrations ranging from 2 to 23,000Bq/L) and also to various concentrations of several metals to replicate multiple-stressor environments. Fish were exposed for 60days, then transferred to the tritium background site where they stayed for another 60days. Tritium, in the forms of tritiated water (HTO) and organically bound tritium (OBT), and a series of fish health indicators were measured in fish tissues at seven time points throughout the 120days required to complete the exposure and the depuration phases. Results showed effects of environmental exposure following the increase of tritium activity and metals concentrations in water. The internal dose rates of tritium, estimated from tissue HTO and OBT activity concentrations, were consistently low (maximum of 0.2μGy/h) compared to levels at which population effects may be expected (>100μGy/h) and no effects were observed on survival, fish condition, gonado-somatic, hepato-somatic, spleno-somatic and metabolic indices (RNA/DNA, proteins/DNA and protein carbonylation (in gonads and kidneys)). Using multivariate analyses, we showed that several biomarkers (DNA damages, MN frequency, gamma-H2AX, SFA/MUFA ratios, lysosomal membrane integrity, AChE, SOD, phagocytosis and esterase activities) were exclusively correlated with fish tritium internal dose rate, showing that tritium induced genotoxicity, DNA repair activity, changes in fatty acid composition, and immune, neural and antioxidant responses. Some biomarkers were responding to the presence of metals, but overall, more biomarkers were linked to internalized tritium. The results are discussed in the context of multiple stressors involving metals and tritium.
Collapse
Affiliation(s)
- B Gagnaire
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France.
| | - C Adam-Guillermin
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - A Festarini
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - I Cavalié
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - C Della-Vedova
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PRP-ENV/SERIS/LRTE, Cadarache, Saint-Paul-lez-Durance 13115, France
| | - C Shultz
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - S B Kim
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - H Ikert
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - C Dubois
- Institut de Radioprotection et de Sureté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Cadarache, Saint-Paul-lez-Durance 13115, France; Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - S Walsh
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - F Farrow
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - D Beaton
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - E Tan
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - K Wen
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| | - M Stuart
- Canadian Nuclear Laboratories (formerly Atomic Energy of Canada Limited), Chalk River Laboratories, 286 Plant Road, Chalk River, ON K0J 1J0, Canada
| |
Collapse
|
34
|
Hurem S, Gomes T, Brede DA, Lindbo Hansen E, Mutoloki S, Fernandez C, Mothersill C, Salbu B, Kassaye YA, Olsen AK, Oughton D, Aleström P, Lyche JL. Parental gamma irradiation induces reprotoxic effects accompanied by genomic instability in zebrafish (Danio rerio) embryos. ENVIRONMENTAL RESEARCH 2017; 159:564-578. [PMID: 28892785 DOI: 10.1016/j.envres.2017.07.053] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2017] [Revised: 07/28/2017] [Accepted: 07/31/2017] [Indexed: 06/07/2023]
Abstract
Gamma radiation represents a potential health risk to aquatic and terrestrial biota, due to its ability to ionize atoms and molecules in living tissues. The effects of exposure to 60Co gamma radiation in zebrafish (Danio rerio) were studied during two sensitive life stages: gametogenesis (F0: 53 and 8.7mGy/h for 27 days, total doses 31 and 5.2Gy) and embryogenesis (9.6mGy/h for 65h; total dose 0.62Gy). Progeny of F0 exposed to 53mGy/h showed 100% mortality occurring at the gastrulation stage corresponding to 8h post fertilization (hpf). Control and F0 fish exposed to 8.7mGy/h were used to create four lines in the first filial generation (F1): control, G line (irradiated during parental gametogenesis), E line (irradiated during embryogenesis) and GE line (irradiated during parental gametogenesis and embryogenesis). A statistically significant cumulative mortality of GE larva (9.3%) compared to controls was found at 96 hpf. E line embryos hatched significantly earlier compared to controls, G and GE (48-72 hpf). The deformity frequency was higher in G and GE, but not E line compared to controls at 72 hpf. One month after parental irradiation, the formation of reactive oxygen species (ROS) was increased in the G line, but did not significantly differ from controls one year after parental irradiation, while at the same time point it was significantly increased in the directly exposed E and GE lines from 60 to 120 hpf. Lipid peroxidation (LPO) was significantly increased in the G line one year after parental irradiation, while significant increase in DNA damage was detected in both the G and GE compared to controls and E line at 72 hpf. Radiation-induced bystander effects, triggered by culture media from tissue explants and observed as influx of Ca2+ ions through the cellular membrane of the reporter cells, were significantly increased in 72 hpf G line progeny one month after irradiation of the parents. One year after parental irradiation, the bystander effects were increased in the E line compared to controls, but not in progeny of irradiated parents (G and GE lines). Overall, this study showed that irradiation of parents can result in multigenerational oxidative stress and genomic instability in irradiated (GE) and non-irradiated (G) progeny of irradiated parents, including increases in ROS formation, LPO, DNA damage and bystander effects. The results therefore highlight the necessity for multi- and transgenerational studies to assess the environmental impact of gamma radiation.
Collapse
Affiliation(s)
- Selma Hurem
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian University of Life Sciences (NMBU), Faculty of Veterinary Medicine and Biosciences, P.O. Box 8146 Dep., 0033 Oslo, Norway.
| | - Tânia Gomes
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian Institute for Water research (NIVA), Gaustadalléen 21, NO-0349 Oslo, Norway
| | - Dag A Brede
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian University of Life Sciences (NMBU), Faculty of Environmental Sciences and Natural Resource Management, 1433 Ås, Norway
| | - Elisabeth Lindbo Hansen
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian Radiation Protection Authority (NRPA), Postboks 55, 1332 Østerås, Norway
| | - Stephen Mutoloki
- Norwegian University of Life Sciences (NMBU), Faculty of Veterinary Medicine and Biosciences, P.O. Box 8146 Dep., 0033 Oslo, Norway
| | - Cristian Fernandez
- Institute of Anatomy, University of Bern, Baltzerstrasse 2, 3000 Bern, Switzerland
| | - Carmel Mothersill
- McMaster University, Department of Biology, 1280 Main St. West Hamilton, Ontario, Canada
| | - Brit Salbu
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian University of Life Sciences (NMBU), Faculty of Environmental Sciences and Natural Resource Management, 1433 Ås, Norway
| | - Yetneberk A Kassaye
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian University of Life Sciences (NMBU), Faculty of Environmental Sciences and Natural Resource Management, 1433 Ås, Norway
| | - Ann-Karin Olsen
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian Institute of Public Health (NIPH), PO Box 4404 Nydalen, 0403 Oslo, Norway
| | - Deborah Oughton
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian University of Life Sciences (NMBU), Faculty of Environmental Sciences and Natural Resource Management, 1433 Ås, Norway
| | - Peter Aleström
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian University of Life Sciences (NMBU), Faculty of Veterinary Medicine and Biosciences, P.O. Box 8146 Dep., 0033 Oslo, Norway
| | - Jan L Lyche
- Centre for Environmental Radioactivity (CERAD CoE), NMBU, 1433 Ås, Norway; Norwegian University of Life Sciences (NMBU), Faculty of Veterinary Medicine and Biosciences, P.O. Box 8146 Dep., 0033 Oslo, Norway
| |
Collapse
|
35
|
Vo NTK, Seymour CB, Mothersill CE. Dose rate effects of low-LET ionizing radiation on fish cells. RADIATION AND ENVIRONMENTAL BIOPHYSICS 2017; 56:433-441. [PMID: 28780694 DOI: 10.1007/s00411-017-0706-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 08/03/2017] [Indexed: 06/07/2023]
Abstract
Radiobiological responses of a highly clonogenic fish cell line, eelB, to low-LET ionizing radiation and effects of dose rates were studied. In acute exposure to 0.1-12 Gy of gamma rays, eelB's cell survival curve displayed a linear-quadratic (LQ) relationship. In the LQ model, α, β, and α/β ratio were 0.0024, 0.037, and 0.065, respectively; for the first time that these values were reported for fish cells. In the multi-target model, n, D o, and D q values were determined to be 4.42, 2.16, and 3.21 Gy, respectively, and were the smallest among fish cell lines being examined to date. The mitochondrial potential response to gamma radiation in eelB cells was at least biphasic: mitochondria hyperpolarized 2 h and then depolarized 5 h post-irradiation. Upon receiving gamma rays with a total dose of 5 Gy, dose rates (ranging between 83 and 1366 mGy/min) had different effects on the clonogenic survival but not the mitochondrial potential. The clonogenic survival was significantly higher at the lowest dose rate of 83 mGy/min than at the other higher dose rates. Upon continuous irradiation with beta particles from tritium at 0.5, 5, 50, and 500 mGy/day for 7 days, mitochondria significantly depolarized at the three higher dose rates. Clearly, dose rates had differential effects on the clonogenic survival of and mitochondrial membrane potential in fish cells.
Collapse
Affiliation(s)
- Nguyen T K Vo
- Radiation Sciences Program, School of Graduate and Postdoctoral Studies, McMaster University, Hamilton, ON, Canada.
| | - Colin B Seymour
- Radiation Sciences Program, School of Graduate and Postdoctoral Studies, McMaster University, Hamilton, ON, Canada
- Department of Biology, McMaster University, Hamilton, ON, Canada
| | - Carmel E Mothersill
- Radiation Sciences Program, School of Graduate and Postdoctoral Studies, McMaster University, Hamilton, ON, Canada
- Department of Biology, McMaster University, Hamilton, ON, Canada
| |
Collapse
|
36
|
Hurem S, Martín LM, Brede DA, Skjerve E, Nourizadeh-Lillabadi R, Lind OC, Christensen T, Berg V, Teien HC, Salbu B, Oughton DH, Aleström P, Lyche JL. Dose-dependent effects of gamma radiation on the early zebrafish development and gene expression. PLoS One 2017; 12:e0179259. [PMID: 28628668 PMCID: PMC5476279 DOI: 10.1371/journal.pone.0179259] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 05/27/2017] [Indexed: 01/07/2023] Open
Abstract
Ionizing radiation from natural sources or anthropogenic activity has the potential to cause oxidative stress or genetic damage in living organisms, through the ionization and excitation of molecules and the subsequent production of free radicals and reactive oxygen species (ROS). The present work focuses on radiation-induced biological effects using the zebrafish (Danio rerio) vertebrate model. Changes in developmental traits and gene expression in zebrafish were assessed after continuous external gamma irradiation (0.4, 3.9, 15 and 38 mGy/h) with corresponding controls, starting at 2.5 hours post fertilization (hpf) and lasting through embryogenesis and the early larval stage. The lowest dose rate corresponded to recommended benchmarks at which adverse effects are not expected to occur in aquatic ecosystems (2-10 mGy/day). The survival observed at 96 hours post fertilization (hpf) in the 38 mGy/h group was significantly lower, while other groups showed no significant difference compared to controls. The total hatching was significantly lower from controls in the 15 mGy/h group and a delay in hatching onset in the 0.4 mGy/h group was observed. The deformity frequency was significantly increased by prolonged exposure duration at dose rates ≥ 0.4 mGy/h. Molecular responses analyzed by RNA-seq at gastrulation (5.5 hpf transcriptome) indicate that the radiation induced adverse effects occurred during the earliest stages of development. A dose-response relationship was found in the numbers of differentially regulated genes in exposure groups compared to controls at a total dose as low as 1.62 mGy. Ingenuity Pathway Analysis identified retinoic acid receptor activation, apoptosis, and glutathione mediated detoxification signaling as the most affected pathways in the lower dose rate (0.54 mGy/h), while eif2 and mTOR, i.e., involved in the modulation of angiogenesis, were most affected in higher dose rates (5.4 and 10.9 mGy/h). By comparing gene expression data, myc was found to be the most significant upstream regulator, followed by tp53, TNF, hnf4a, TGFb1 and cebpa, while crabp2b and vegfab were identified as most frequent downstream target genes. These genes are associated with various developmental processes. The present findings show that continuous gamma irradiation (≥ 0.54 mGy/h) during early gastrula causes gene expression changes that are linked to developmental defects in zebrafish embryos.
Collapse
Affiliation(s)
- Selma Hurem
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Veterinary Medicine and Biosciences, Oslo, Norway
| | - Leonardo Martín Martín
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Veterinary Medicine and Biosciences, Oslo, Norway
- University of Camagüey Ignacio Agramonte y Loynaz (UC), Faculty of Agropecuary Sciences, Camagüey, Cuba
| | - Dag Anders Brede
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Environmental Sciences and Natural Resource Management, 1433 Ås, Norway
| | - Eystein Skjerve
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Veterinary Medicine and Biosciences, Oslo, Norway
| | - Rasoul Nourizadeh-Lillabadi
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Veterinary Medicine and Biosciences, Oslo, Norway
| | - Ole Christian Lind
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Environmental Sciences and Natural Resource Management, 1433 Ås, Norway
| | - Terje Christensen
- Norwegian Radiation Protection Authority (NRPA), CERAD CoE, Østerås, Norway
| | - Vidar Berg
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Veterinary Medicine and Biosciences, Oslo, Norway
| | - Hans-Christian Teien
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Environmental Sciences and Natural Resource Management, 1433 Ås, Norway
| | - Brit Salbu
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Environmental Sciences and Natural Resource Management, 1433 Ås, Norway
| | - Deborah Helen Oughton
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Environmental Sciences and Natural Resource Management, 1433 Ås, Norway
| | - Peter Aleström
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Veterinary Medicine and Biosciences, Oslo, Norway
| | - Jan Ludvig Lyche
- Norwegian University of Life Sciences (NMBU), CERAD CoE, Faculty of Veterinary Medicine and Biosciences, Oslo, Norway
| |
Collapse
|
37
|
Si J, Zhou R, Song J, Gan L, Zhou X, Di C, Liu Y, Mao A, Zhao Q, Wang Y, Zhang H. Toxic effects of 56Fe ion radiation on the zebrafish (Danio rerio) embryonic development. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 186:87-95. [PMID: 28267650 DOI: 10.1016/j.aquatox.2017.02.028] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 02/20/2017] [Accepted: 02/27/2017] [Indexed: 06/06/2023]
Abstract
All living organisms and ecosystems are permanently exposed to ionizing radiation. Of all the types of ionizing radiation, heavy ions such as 56Fe have the potential to cause the most severe biological effects. We therefore examined the effects and potential mechanisms of iron ion irradiation on the induction of developmental toxicity and apoptosis in zebrafish embryos. Zebrafish embryos at 4h post-fertilization (hpf) were divided into five groups: a control group; and four groups irradiated with 0.5, 1, 2, and 4Gy radiation, respectively. Mortality and teratogenesis were significantly increased, and spontaneous movement, heart rate, and swimming distance were decreased in the irradiated groups, accompanied by increased apoptosis. mRNA levels of genes involved in the apoptotic pathway, including p53, bax, bcl-2, and caspase-3, were significantly affected by radiation exposure. Moreover, protein expression levels of P53 and Bcl-2 changed in accordance with the corresponding mRNA expression levels. In addition, we detected the protein expression levels of γ-H2AX, which is a biomarker for radiation-induced DNA double-strand breaks, and found that γ-H2AX protein levels were significantly increased in the irradiated groups. Overall, the results of this study improve our understanding of the mechanisms of iron ion radiation-induced developmental toxicity and apoptosis, potentially involving the induction of DNA damage and mitochondrial dysfunction. The findings of this study may aid future impact assessment of environmental radioactivity in fish.
Collapse
Affiliation(s)
- Jing Si
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Rong Zhou
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Jing'e Song
- Hospital of Stomatology, Lanzhou University, Lanzhou 730000, China
| | - Lu Gan
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Xin Zhou
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Cuixia Di
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Yang Liu
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Aihong Mao
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Qiuyue Zhao
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Yupei Wang
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Hong Zhang
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China; Gansu Wuwei Institute of Medical Sciences, Wuwei 733000, China.
| |
Collapse
|
38
|
Lemos J, Neuparth T, Trigo M, Costa P, Vieira D, Cunha L, Ponte F, Costa PS, Metello LF, Carvalho AP. Single Low-Dose Ionizing Radiation Induces Genotoxicity in Adult Zebrafish and its Non-Irradiated Progeny. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2017; 98:190-195. [PMID: 28025689 DOI: 10.1007/s00128-016-2006-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 12/08/2016] [Indexed: 06/06/2023]
Abstract
This study investigated to what extent a single exposure to low doses of ionizing radiation can induce genotoxic damage in irradiated adult zebrafish (Danio rerio) and its non-irradiated F1 progeny. Four groups of adult zebrafish were irradiated with a single dose of X-rays at 0 (control), 100, 500 and 1000 mGy, respectively, and couples of each group were allowed to reproduce following irradiation. Blood of parental fish and whole-body offspring were analysed by the comet assay for detection of DNA damage. The level of DNA damage in irradiated parental fish increased in a radiation dose-dependent manner at day 1 post-irradiation, but returned to the control level thereafter. The level of DNA damage in the progeny was directly correlated with the parental irradiation dose. Results highlight the genotoxic risk of a single exposure to low-dose ionizing radiation in irradiated individuals and also in its non-irradiated progeny.
Collapse
Affiliation(s)
- J Lemos
- ICBAS - Institute of Biomedical Sciences, University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
- Nuclear Medicine Department, High Institute for Allied Health Technologies of Porto - Polytechnic Institute of Porto (ESTSP.IPP), Rua Valente Perfeito 322, 4400-330, Vila Nova de Gaia, Portugal
| | - T Neuparth
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, 4050-123, Porto, Portugal
| | - M Trigo
- Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4169-007, Porto, Portugal
| | - P Costa
- Nuclear Medicine Department, High Institute for Allied Health Technologies of Porto - Polytechnic Institute of Porto (ESTSP.IPP), Rua Valente Perfeito 322, 4400-330, Vila Nova de Gaia, Portugal
| | - D Vieira
- Nuclear Medicine Department, High Institute for Allied Health Technologies of Porto - Polytechnic Institute of Porto (ESTSP.IPP), Rua Valente Perfeito 322, 4400-330, Vila Nova de Gaia, Portugal
| | - L Cunha
- IsoPor SA, PO box 4028, 4445, Ermesinde, Portugal
| | - F Ponte
- Radiotherapy Deptartment, Júlio Teixeira SA, Rua Arquitecto Cassiano Barbosa 6, F, Sala 26, 4100-009, Porto, Portugal
| | - P S Costa
- Radiotherapy Deptartment, Júlio Teixeira SA, Rua Arquitecto Cassiano Barbosa 6, F, Sala 26, 4100-009, Porto, Portugal
| | - L F Metello
- Nuclear Medicine Department, High Institute for Allied Health Technologies of Porto - Polytechnic Institute of Porto (ESTSP.IPP), Rua Valente Perfeito 322, 4400-330, Vila Nova de Gaia, Portugal
- IsoPor SA, PO box 4028, 4445, Ermesinde, Portugal
| | - A P Carvalho
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, 4050-123, Porto, Portugal.
- Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4169-007, Porto, Portugal.
| |
Collapse
|
39
|
Kong EY, Cheng SH, Yu KN. Zebrafish as an In Vivo Model to Assess Epigenetic Effects of Ionizing Radiation. Int J Mol Sci 2016; 17:ijms17122108. [PMID: 27983682 PMCID: PMC5187908 DOI: 10.3390/ijms17122108] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 12/01/2016] [Accepted: 12/09/2016] [Indexed: 12/14/2022] Open
Abstract
Exposure to ionizing radiations (IRs) is ubiquitous in our environment and can be categorized into “targeted” effects and “non-targeted” effects. In addition to inducing deoxyribonucleic acid (DNA) damage, IR exposure leads to epigenetic alterations that do not alter DNA sequence. Using an appropriate model to study the biological effects of radiation is crucial to better understand IR responses as well as to develop new strategies to alleviate exposure to IR. Zebrafish, Danio rerio, is a scientific model organism that has yielded scientific advances in several fields and recent studies show the usefulness of this vertebrate model in radiation biology. This review briefly describes both “targeted” and “non-targeted” effects, describes the findings in radiation biology using zebrafish as a model and highlights the potential of zebrafish to assess the epigenetic effects of IR, including DNA methylation, histone modifications and miRNA expression. Other in vivo models are included to compare observations made with zebrafish, or to illustrate the feasibility of in vivo models when the use of zebrafish was unavailable. Finally, tools to study epigenetic modifications in zebrafish, including changes in genome-wide DNA methylation, histone modifications and miRNA expression, are also described in this review.
Collapse
Affiliation(s)
- Eva Yi Kong
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China.
| | - Shuk Han Cheng
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China.
- State Key Laboratory in Marine Pollution, City University of Hong Kong, Hong Kong, China.
| | - Kwan Ngok Yu
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China.
- State Key Laboratory in Marine Pollution, City University of Hong Kong, Hong Kong, China.
| |
Collapse
|
40
|
Falfushynska H, Gnatyshyna L, Yurchak I, Stoliar O, Sokolova IM. Interpopulational variability of molecular responses to ionizing radiation in freshwater bivalves Anodonta anatina (Unionidae). THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 568:444-456. [PMID: 27310535 DOI: 10.1016/j.scitotenv.2016.05.175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Revised: 05/23/2016] [Accepted: 05/24/2016] [Indexed: 06/06/2023]
Abstract
Freshwater ecosystems are exposed to multiple anthropogenic stressors including chemical pollution and warming that can affect health of the resident organisms and their responses to novel challenges. We investigated the of in situ exposure history on molecular responses to a novel stressor, ionizing radiation, in unionid mollusks Anodonta anatina. Males from pristine (F-), agricultural (A-) sites and a cooling reservoir of a nuclear power plant (N-site) were exposed to acute low dose (2mGy) X-ray radiation followed by 14days of recovery (R-groups) or to control conditions (C-groups). Biomarkers of oxidative stress, geno-, cyto- and neurotoxicity were used to assess cellular injury and stress. Control group from the cooling reservoir (CN) had higher background levels of caspase-3 activity, metallothionein concentrations and nuclear lesions and lower levels of superoxide dismutase (SOD) and glutathione in the gills compared to other control groups (CF and CA). Irradiation induced cellular damage in mussels from all three sites including increased levels of nuclear lesions in hemocytes, depletion of caspase-3, suppression of superoxide dismutase and catalase activities, an increase of the lipid peroxidation and oxidized glutathione levels, as well as down-regulation of cholinesterase indicating neurotoxicity. The up-regulation of ethoxyresorufin-O-deethylase activity in the digestive gland and vitellogenin-like protein level in gonads were also found in radiation-exposed groups indicating feminization of males and disturbances of xenobiotic metabolism. The RA-group showed the greatest magnitude of radiation-induced stress responses compared to the other two groups. Overall, unionid mollusks, particularly those from a chronically polluted agricultural site, were highly sensitive to low-dose radiation (2mGy) indicating limitations of stress protection mechanisms to deal with multiple stressors.
Collapse
Affiliation(s)
- H Falfushynska
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, 2, Kryvonosa Str, Ternopil 46027, Ukraine; Department of Biological Sciences, University of North Carolina at Charlotte, 9201 University City Blvd., Charlotte, NC 28223, USA; Department of General Chemistry, I.Ya. Horbachevsky Ternopil State Medical University, 1, Maidan Voli, Ternopil 46001, Ukraine
| | - L Gnatyshyna
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, 2, Kryvonosa Str, Ternopil 46027, Ukraine; Department of General Chemistry, I.Ya. Horbachevsky Ternopil State Medical University, 1, Maidan Voli, Ternopil 46001, Ukraine
| | - I Yurchak
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, 2, Kryvonosa Str, Ternopil 46027, Ukraine
| | - O Stoliar
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, 2, Kryvonosa Str, Ternopil 46027, Ukraine
| | - I M Sokolova
- Department of Biological Sciences, University of North Carolina at Charlotte, 9201 University City Blvd., Charlotte, NC 28223, USA.
| |
Collapse
|