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Aslan S, Ozkara A, Kasım I, Aksoy H. Why Turkish Parents Refuse Childhood Vaccination? A Qualitative Study. ARCHIVES OF IRANIAN MEDICINE 2023; 26:267-274. [PMID: 38301090 PMCID: PMC10685866 DOI: 10.34172/aim.2023.41] [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: 12/05/2022] [Accepted: 04/08/2023] [Indexed: 02/03/2024]
Abstract
BACKGROUND Anti-vaccination is spreading among parents. In 2017, 23000 families in Turkey refused vaccinations for their children. Meanwhile an increase in infectious diseases was observed, which might be caused by vaccination rejection. The reasons why families do not vaccinate their children may be very different, such as side effects, or advocation for "healthy life" by gurus. However, the real reasons for vaccine refusal are unknown. Our aim is to determine the reasons for anti-vaccination in Turkey. METHODS In order to reveal the real reasons for not taking the vaccine, we planned to conduct interviews with the representatives of the vaccine rejection group using qualitative research methodology with the "grounded theory" method. We searched some anti-vaccination blogs to find candidates for interviews. Within the scope of our study, parental concerns about vaccinations were classified by analyzing the data obtained from semi-structured questions and interviews recorded with voice recorders in face-to-face interviews with 21 parents in 13 cities of Turkey. RESULTS The obtained findings were classified under the headings of ''mistrust'', ''vaccine efficacy-importance'', ''decision-making processes - bases'', and ''law-ethics''. Mistrust was the main theme, almost singularly, as the most important reason for vaccine rejection. The salient reasons for mistrusts were: Companies which produce vaccines especially international companies because of conspiratory beliefs; health authorities, because of the belief about non-transparency in epidemiologic data, immunization council etc. and healthcare professionals, because of their non-communicative and non-concerned attitude. CONCLUSION Mistrust is hard to overcome. The beliefs of the patients cannot be easily changed. As a result of our study, we made some recommendations for health authorities, healthcare professionals, companies and other related stakeholders.
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Affiliation(s)
- Salih Aslan
- Evren Integrated Health Center, Ankara, Türkiye
| | - Adem Ozkara
- Department of Family Medicine University of Health Sciences,, Ankara City Hospital, Ankara, Türkiye
| | - Ismail Kasım
- Department of Family Medicine University of Health Sciences,, Ankara City Hospital, Ankara, Türkiye
| | - Hilal Aksoy
- Department of Family Medicine, Hacettepe University Faculty of Medicine, Ankara, Türkiye
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Petitjean Q, Laffaille P, Perrault A, Cousseau M, Jean S, Jacquin L. Adaptive plastic responses to metal contamination in a multistress context: a field experiment in fish. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:55678-55698. [PMID: 36894734 DOI: 10.1007/s11356-023-26189-w] [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: 07/20/2022] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Wild populations often differ in their tolerance to environmental stressors, but intraspecific variability is rarely taken into account in ecotoxicology. In addition, plastic responses to multiple stressors have rarely been investigated in realistic field conditions. In this study, we compared the responses to metal contamination of gudgeon populations (Gobio occitaniae) differing in their past chronic exposure to metal contamination, using a reciprocal transplant experiment and an immune challenge mimicking a parasite attack to test for potential effects of multiple stressors across biological levels. We measured fish survival and traits involved in metal bioaccumulation, oxidative stress, immunity, cell apoptosis, and energy management to decipher underpinning physiological mechanisms across biological levels (i.e., gene expression, cell, organism). Fish from the two replicate High Contamination sites had higher survival when transferred into contaminated sites, suggesting a local adaptation to the contaminated site, possibly explained by higher levels of detoxification and antioxidant capacity but with potential higher apoptosis costs compared to their naïve counterparts. We found no evidence of co- or maladaptation to the immune stressor, suggesting no specific costs to face pathogens. In the emerging field of evolutionary ecotoxicology, this study underlines the need to consider intraspecific variability to better understand the effects of pollution in heterogeneous populations.
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Affiliation(s)
- Quentin Petitjean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France.
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, UPS, CNRS, IRD, Toulouse, France.
- Long-Term Socio-Ecological Research Platform LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France.
- Institut Sophia Agrobiotech, UMR1355 INRAE, UMR7254 CNRS, Université Côte d'Azur, Sophia-Antipolis, France.
| | - Pascal Laffaille
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
| | - Annie Perrault
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
| | - Myriam Cousseau
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
| | - Séverine Jean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
- Long-Term Socio-Ecological Research Platform LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
| | - Lisa Jacquin
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, UPS, CNRS, IRD, Toulouse, France
- Long-Term Socio-Ecological Research Platform LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
- Institut Universitaire de France, Paris, France
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Costantini D. A meta-analysis of impacts of immune response and infection on oxidative status in vertebrates. CONSERVATION PHYSIOLOGY 2022; 10:coac018. [PMID: 35492421 PMCID: PMC9040321 DOI: 10.1093/conphys/coac018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 01/24/2022] [Accepted: 03/11/2022] [Indexed: 05/06/2023]
Abstract
Inferring from patterns observed in biomedical research, ecoimmunological theory predicts that oxidative stress is a ubiquitous physiological cost that contributes to generating variation in immune function between individuals or species. This prediction is, however, often challenged by empirical studies testing the relationship between immune response or infection and oxidative status markers. This points out the importance of combining ecological immunology and oxidative stress ecology to further our understanding of the proximate causes and fitness consequences of individual variation in health, and adaptability to natural and anthropogenic environmental changes. I reviewed evidence and performed phylogenetic meta-analyses of changes in oxidative status markers owing to either injection of an antigen or infection in captive and free-living vertebrates (141 studies, 1262 effect sizes, 97 species). The dataset was dominated by studies on fish, birds and mammals, which provided 95.8% of effect sizes. Both antigen injection and parasite exposure were associated with changes of oxidative status. There were significant effects of taxonomic class and experimental environment (captivity vs. wild). In contrast with my predictions, age category (young vs. adult), study design (correlational vs. experimental) and proxies of pace of life (clutch size, litter size, and body mass; for birds and mammals only) were negligible in this dataset. Several methodological aspects (type of immunostimulant, laboratory assay, tissue analysed) showed significant effects on both strength and direction of effect. My results suggest that alterations of oxidative status are a widespread consequence of immune function across vertebrates. However, this work also identified heterogeneity in strength and direction of effect sizes, which suggests that immune function does not necessarily result in oxidative stress. Finally, this work identifies methodological caveats that might be relevant for the interpretation and comparability of results and for the application in conservation programs.
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Affiliation(s)
- David Costantini
- Unité Physiologie Moléculaire et Adaptation, UMR 7221, Muséum National d’Histoire Naturelle, CNRS, CP32, 57 rue Cuvier 75005 Paris, France
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4
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Sánchez-Aceves L, Pérez-Alvarez I, Gómez-Oliván LM, Islas-Flores H, Barceló D. Long-term exposure to environmentally relevant concentrations of ibuprofen and aluminum alters oxidative stress status on Danio rerio. Comp Biochem Physiol C Toxicol Pharmacol 2021; 248:109071. [PMID: 33992815 DOI: 10.1016/j.cbpc.2021.109071] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/22/2021] [Accepted: 04/29/2021] [Indexed: 12/12/2022]
Abstract
Despite the ubiquitous presence of multiple pollutants in aqueous environments have been extensively demonstrated, the ecological impact of chemical cocktails has not been studied in depth. In recent years, environmental studies have mainly focused on the risk assessment of individual chemical substances neglecting the effects of complex mixtures even though it has been demonstrated that combined effects exerted by pollutants might represent a greater hazard to the biocenosis. The current study evaluates the effects on the oxidative stress status induced by individual forms and binary mixtures of ibuprofen (IBU) and aluminum (Al) on brain, gills, liver and gut tissues of Danio rerio after long-term exposure to environmentally relevant concentrations (0.1-11 μg L-1 and 0.05 mg L-1- 6 mg L-1, respectively). Lipid peroxidation (LPO), Protein carbonyl content (PCC) and activity of Superoxide Dismutase (SOD), Catalase (CAT), and Glutathione Peroxidase (GPX) were evaluated. Moreover, concentrations of both toxicants and the metabolite 2-OH-IBU were quantified on test water and tissues. Results show that ibuprofen (IBU) and aluminum (Al) singly promote the production of radical species and alters the oxidative stress status in all evaluated tissues of zebrafish, nevertheless, higher effects were elicited by mixtures as different interactions take place.
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Affiliation(s)
- Livier Sánchez-Aceves
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan s/n, Col. Residencial Colón, 50120 Toluca, Estado de México, Mexico
| | - Itzayana Pérez-Alvarez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan s/n, Col. Residencial Colón, 50120 Toluca, Estado de México, Mexico
| | - Leobardo Manuel Gómez-Oliván
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan s/n, Col. Residencial Colón, 50120 Toluca, Estado de México, Mexico.
| | - Hariz Islas-Flores
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan s/n, Col. Residencial Colón, 50120 Toluca, Estado de México, Mexico
| | - Damià Barceló
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA, CSIC), Jordi Girona 18, 08017 Barcelona, Spain
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Cornet V, Khuyen TD, Mandiki SNM, Betoulle S, Bossier P, Reyes-López FE, Tort L, Kestemont P. GAS1: A New β-Glucan Immunostimulant Candidate to Increase Rainbow Trout ( Oncorhynchus mykiss) Resistance to Bacterial Infections With Aeromonas salmonicida achromogenes. Front Immunol 2021; 12:693613. [PMID: 34295335 PMCID: PMC8290837 DOI: 10.3389/fimmu.2021.693613] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 06/18/2021] [Indexed: 11/27/2022] Open
Abstract
β-glucans are prebiotic and/or food additives used by the aquaculture industry to enhance the immune response of fish. Their efficiency may vary according to their origin and structure. In this study, the immunostimulant effects of two β-glucan types extracted from wild-type baker’s yeast (Saccharomyces cerevisiae) and its null-mutant Gas1 were investigated. Gas1 has a beta-1,3-glucanosyltransferase activity necessary for cell wall assembly. Using a positive (commercial product MacroGard®) and a negative control (a diet without glucans), we evaluated the immune responses and disease resistance of rainbow trout juveniles (mean weight, ~44 g) fed control, low (0.2%) and high (0.5%) doses of Macrogard®, Gas1, and Wild type-β-glucan after a short-term (15 days, D15) or mid-term (36 days, D36) feeding periods. We found that β-glucan supplemented diets did not affect growth performance, mortality, splenic index, or leukocyte respiratory burst activity on D15 nor D36. However, each β-glucan triggered different immune effectors, depending of the doses or length of exposure compared to others and/or the negative control. Indeed, high dose of MacroGard® significantly increased lysozyme activities at D15 compared with the control and other diets (p<0.05). At D36, MacroGard β-glucan enhanced the production of lymphocytes in comparison with the control diet (p<0.05). Regarding WT β-glucan, at D36, WT-β-glucan, especially the high dose, provided the highest enzymatic activities (lysozyme and ACH50) and Ig level (p<0.01). Furthermore, on D36, Gas1 also increased lysozyme activity, Ig proportion, and some immune genes (mcsfra, hepcidin) compared with MacroGard® (p<0.05). Besides, both doses of Gas1-β-glucans increased the resistance of juveniles to bacterial infection highlighted by a higher survival rate at 14 days post-challenge compared with the control and other types and doses of β-glucans (p<0.05). In conclusion, our results suggest that Gas1-β-glucan could represent a promising immunostimulant that would help to prevent diseases in aquaculture even more efficiently than other β-glucans already in use. Mode of action and particular efficiency of this new Gas1 mutant are debated.
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Affiliation(s)
- Valérie Cornet
- Research Unit in Environmental and Evolutionary Biology (URBE), Research Institute of Life, Earth & Environment, University of Namur (UNamur), Namur, Belgium
| | - Trinh Dinh Khuyen
- Research Unit in Environmental and Evolutionary Biology (URBE), Research Institute of Life, Earth & Environment, University of Namur (UNamur), Namur, Belgium
| | - Syaghalirwa N M Mandiki
- Research Unit in Environmental and Evolutionary Biology (URBE), Research Institute of Life, Earth & Environment, University of Namur (UNamur), Namur, Belgium
| | - Stéphane Betoulle
- UMR-INERIS 02 SEBIO StressEnvironnementaux et Biosurveillance des milieux aquatiques, Plateau technique mobile en cytométrie environnementale MOBICYTE, UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Reims, France
| | - Peter Bossier
- Laboratory of Aquaculture & Artemia Reference Center, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Felipe E Reyes-López
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain.,Consorcio Tecnológico de Sanidad Acuícola, Ictio Biotechnologies S.A., Santiago, Chile.,Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Providencia, Chile
| | - Lluis Tort
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Patrick Kestemont
- Research Unit in Environmental and Evolutionary Biology (URBE), Research Institute of Life, Earth & Environment, University of Namur (UNamur), Namur, Belgium
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6
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Petitjean Q, Jacquin L, Riem L, Pitout M, Perrault A, Cousseau M, Laffaille P, Jean S. Intraspecific variability of responses to combined metal contamination and immune challenge among wild fish populations. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 272:116042. [PMID: 33190983 DOI: 10.1016/j.envpol.2020.116042] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/26/2020] [Accepted: 11/05/2020] [Indexed: 06/11/2023]
Abstract
Wild organisms are increasingly exposed to multiple anthropogenic and natural stressors that can interact in complex ways and lead to unexpected effects. In aquatic ecosystems, contamination by trace metals has deleterious effects on fish health and commonly co-occurs with pathogens, which affect similar physiological and behavioral traits. However, the combined effects of metal contamination and parasitism are still poorly known. In addition, the sensitivity to multiple stressors could be highly variable among different fish populations depending on their evolutionary history, but this intraspecific variability is rarely taken into account in existing ecotoxicological studies. Here, we investigated i) the interactive effects of metal contamination (i.e., realistic mixture of Cd, Cu and Zn) and immune challenge mimicking a parasite attack on fish health across biological levels. In addition, we compared ii) the physiological and behavioral responses among five populations of gudgeon fish (Gobio occitaniae) having evolved along a gradient of metal contamination. Results show that single stressors exposure resulted in an increase of immune defenses and oxidative stress at the expense of body mass (contamination) or fish swimming activity (immune challenge). Multiple stressors had fewer interactive effects than expected, especially on physiological traits, but mainly resulted in antagonistic effects on fish swimming activity. Indeed, the immune challenge modified or inhibited the effects of contamination on fish behavior in most populations, suggesting that multiple stressors could reduce behavioral plasticity. Interestingly, the effects of stressors were highly variable among populations, with lower deleterious effects of metal contamination in populations from highly contaminated environments, although the underlying evolutionary mechanisms remain to be investigated. This study highlights the importance of considering multiple stressors effects and intraspecific variability of sensitivity to refine our ability to predict the effects of environmental contaminants on aquatic wildlife.
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Affiliation(s)
- Quentin Petitjean
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France; EDB, Laboratoire Évolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, 118 Route de Narbonne, 31062, Toulouse, France; LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France.
| | - Lisa Jacquin
- EDB, Laboratoire Évolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, 118 Route de Narbonne, 31062, Toulouse, France; LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
| | - Louna Riem
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France; EDB, Laboratoire Évolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, 118 Route de Narbonne, 31062, Toulouse, France
| | - Mathilde Pitout
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Annie Perrault
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Myriam Cousseau
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Pascal Laffaille
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France; LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
| | - Séverine Jean
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France; LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
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7
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Petitjean Q, Jacquin L, LeHénaff M, Perrault A, Cousseau M, Laffaille P, Jean S. Dose- and time-dependent effects of an immune challenge on fish across biological levels. JOURNAL OF EXPERIMENTAL ZOOLOGY PART 2020; 335:250-264. [PMID: 33200884 DOI: 10.1002/jez.2430] [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: 09/08/2020] [Revised: 10/30/2020] [Accepted: 10/30/2020] [Indexed: 12/16/2022]
Abstract
Due to global changes, fish are increasingly exposed to immune challenges associated with disease outbreaks in aquatic ecosystems. Adjustments in physiology and behavior are generally critical to maintaining homeostasis after an immune challenge, but there is limited knowledge on the specific thresholds and dynamics of responses across levels of biological organization in fish. In this study, we tested how different concentrations of an antigens mixture (phytohemagglutinin and lipopolysaccharide) affected innate immunity with potential consequences on oxidative stress, energy reserves, body condition, and behavior across time, using the common gudgeon (Gobio sp.) as model species. The immune challenge induced a transitory increase in lytic enzyme activity (i.e., lysozyme) and local immune response (i.e., skin swelling) 2 days after the antigen injection. The available energy stored in muscle was also reduced 4 days after injection, without inducing oxidative stress at the cellular level. Overall, the immune challenge induced limited costs at the molecular and cellular levels but had strong effects at the whole organism level, especially on behavior. Indeed, fish swimming activity and sociability were affected in a dose- and time-dependent manner. These results suggest that immune challenges have dose-dependent effects across levels of biological organization and that behavior is a key response trait to cope with pathogen-induced immune costs in the wild, although fitness consequences remain to be tested.
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Affiliation(s)
- Quentin Petitjean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, UPS, Toulouse, France
| | - Lisa Jacquin
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, UPS, Toulouse, France
| | | | - Annie Perrault
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Myriam Cousseau
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Pascal Laffaille
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Séverine Jean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
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Abstract
Toxic metals remain a current important threat to aquatic ecosystems, despite regulatory efforts to reduce their release. Several toxic metals already appear in the list of priority substances polluting surface waters, while concerns arise from the increasing use of technology-critical metals such as metallic nanoparticles, rare-earth, and platinum group metals. In aquatic environments, various chemical, biological and physical processes determine the impact of metals on the biota. This review provides insights into responses to toxic metals recently reported in freshwater and marine animals. The specific emphasis is on: (i) common cellular and molecular responses; (ii) stress proteins; (iii) redox homeostasis; (iv) cytoskeleton rearrangement; (v) metabolism reshuffle; (vi) free cellular energy and mitochondrial metabolism; and (vi) immunity. These endpoints are promising, notably in multi-biomarker approaches to identify precise cellular toxicity pathways and anticipate the impact of environmental metal pollution.
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Petitjean Q, Jean S, Côte J, Lamarins A, Lefranc M, Santos R, Perrault A, Laffaille P, Jacquin L. Combined effects of temperature increase and immune challenge in two wild gudgeon populations. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:157-176. [PMID: 31620975 DOI: 10.1007/s10695-019-00706-6] [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: 01/22/2019] [Accepted: 09/04/2019] [Indexed: 06/10/2023]
Abstract
In the context of global changes, aquatic ecosystems are increasingly exposed to multiple stressors that can have unexpected interactive effects on aquatic organisms. Among these stressors, the occurrence of heat waves and pathogens is changing rapidly in freshwater rivers, but their combined effects on fish health are still understudied. In this study, we experimentally tested the crossed effects of increased temperature (mimicking a heat wave) and a standardized immune challenge (mimicking a parasite attack) on wild gudgeon (Gobio occitaniae) physiology and behaviour across biological levels from molecules to the whole individual. We also investigated the potential variation of sensitivity among populations by comparing two wild populations from contrasted thermal regimes. Combined stressors (i.e. temperature increase and immune challenge) had contrasted effects on fish physiology and behaviour compared to single stressors, but only at the individual level. In particular, the immune challenge inhibited the effect of the temperature on fish behaviour (activity, exploration and foraging) but amplified the negative effect of temperature on fish survival. No interactions were found at other biological levels. This study thus shows that it is essential to consider biotic stressors such as pathogens to better anticipate the effects of global changes on aquatic organisms. In addition, there was a high variability of response between the two gudgeon populations, suggesting that future studies should take into account population variability to better predict the responses of aquatic wildlife to current and future stressors.
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Affiliation(s)
- Quentin Petitjean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 Ecolab, Université de Toulouse, CNRS, INPT, UPS, 118 Route de Narbonne, 31062, Toulouse, France.
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, UPS, 118 Route de Narbonne, 31062, Toulouse, France.
| | - Séverine Jean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 Ecolab, Université de Toulouse, CNRS, INPT, UPS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Jessica Côte
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, UPS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Amaïa Lamarins
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, UPS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Marie Lefranc
- HEPIA, Ecology and Engineering of Aquatic Systems Research Group, University of Applied Sciences Western Switzerland, 150 Route de Presinge, 1254, Jussy, Switzerland
| | - Raphaël Santos
- HEPIA, Ecology and Engineering of Aquatic Systems Research Group, University of Applied Sciences Western Switzerland, 150 Route de Presinge, 1254, Jussy, Switzerland
| | - Annie Perrault
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 Ecolab, Université de Toulouse, CNRS, INPT, UPS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Pascal Laffaille
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 Ecolab, Université de Toulouse, CNRS, INPT, UPS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Lisa Jacquin
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, UPS, 118 Route de Narbonne, 31062, Toulouse, France
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10
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Vinterstare J, Hegemann A, Nilsson PA, Hulthén K, Brönmark C. Defence versus defence: Are crucian carp trading off immune function against predator‐induced morphology? J Anim Ecol 2019; 88:1510-1521. [DOI: 10.1111/1365-2656.13047] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 05/10/2019] [Indexed: 02/04/2023]
Affiliation(s)
- Jerker Vinterstare
- Department of Biology, Aquatic Ecology Unit, Ecology Building Lund University Lund Sweden
| | - Arne Hegemann
- Department of Biology, Aquatic Ecology Unit, Ecology Building Lund University Lund Sweden
| | - Per. Anders Nilsson
- Department of Biology, Aquatic Ecology Unit, Ecology Building Lund University Lund Sweden
- Department of Environmental and Life Sciences Karlstad University Karlstad Sweden
| | - Kaj Hulthén
- Department of Biology, Aquatic Ecology Unit, Ecology Building Lund University Lund Sweden
| | - Christer Brönmark
- Department of Biology, Aquatic Ecology Unit, Ecology Building Lund University Lund Sweden
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11
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Chakraborty S, Mishra A, Verma E, Tiwari B, Mishra AK, Singh SS. Physiological mechanisms of aluminum (Al) toxicity tolerance in nitrogen-fixing aquatic macrophyte Azolla microphylla Kaulf: phytoremediation, metabolic rearrangements, and antioxidative enzyme responses. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:9041-9054. [PMID: 30719666 DOI: 10.1007/s11356-019-04408-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 01/28/2019] [Indexed: 06/09/2023]
Abstract
To investigate the extent of aluminum toxicity tolerance of eco-friendly, fast-growing, fresh water, pteridophytic Azolla-Anabaena symbiotic association in terms of altered physiological signals; Azolla microphylla Kaulf was exposed to 0 (control), 100, 250, 500, and 750 μM AlCl3, at pH 4.5 for 6 days. The adversity of Al was increased in a dose-dependent manner and the highest was recorded at 750 μM AlCl3. Despite the significant loss in membrane integrity (80% electrolyte leakage) due to an enhanced generation of H2O2, A. microphylla reflected only 50% growth inhibition (fresh and dry weight) at 500 μM AlCl3 (LD50). However, the average root length of Azolla was drastically reduced at high concentration due to their direct contact with aluminum-containing growth medium. Contrary to this, the whole association maintained moderate chlorophyll, carbohydrate content, photosynthetic efficiency, nitrogen-fixing ability, and nitrogen content at high Al concentration. Probably, growth protection was pertained through significant detoxification of H2O2 by employing an efficient antioxidative defense system including antioxidative enzymes (SOD, APX, and CAT) and non-enzymatic antioxidant carotenoids. An enhanced level of phenolics and flavonoids in the root exudates possibly maintained a non-toxic level of aluminum inside the cell (195.8 μg Al/g FW) which makes A. microphylla a suitable pteridophytic plant to not only remove toxic Al from the contaminated sites but also to improve nitrogen status of those regions. Graphical abstract ᅟ.
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Affiliation(s)
| | - Aditi Mishra
- Department of Botany, Banaras Hindu University, Varanasi, 221005, India
| | - Ekta Verma
- Department of Botany, Banaras Hindu University, Varanasi, 221005, India
| | - Balkrishna Tiwari
- Department of Botany, Banaras Hindu University, Varanasi, 221005, India
| | - Arun K Mishra
- Department of Botany, Banaras Hindu University, Varanasi, 221005, India
| | - Satya Shila Singh
- Department of Botany, Banaras Hindu University, Varanasi, 221005, India.
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12
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Samaï HC, Rioult D, Bado-Nilles A, Delahaut L, Jubréaux J, Geffard A, Porcher JM, Betoulle S. Procedures for leukocytes isolation from lymphoid tissues and consequences on immune endpoints used to evaluate fish immune status: A case study on roach (Rutilus rutilus). FISH & SHELLFISH IMMUNOLOGY 2018; 74:190-204. [PMID: 29288813 DOI: 10.1016/j.fsi.2017.12.040] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 12/13/2017] [Accepted: 12/22/2017] [Indexed: 06/07/2023]
Abstract
The effects of two protocols (density gradient versus hypotonic lysis) used for leukocyte isolation from three major lymphoid tissue of fish (head-kidney, spleen and blood) were examined on some cell functional activities (tissue leucocytes distributions, phagocytosis, basal and burst oxidative activities) classically used to estimate the fish immune status. Experiments were conducted on roach (Rutilus rutilus), a cyprinid fish model often studied in different eco-physiological contexts (aquaculture, ecotoxicology …). All of immune endpoints were assessed either immediately after cell isolation or after a 12 h of incubation in order to observe if a post-isolation incubation may influence the leukocytes activities. Compared to the density gradient, hypotonic lysis is associated with granulocytes enrichments of cell suspensions. This is particularly true for leukocyte suspensions isolated from head kidney where granulocytes are naturally abundant. However, important variabilities in leukocyte distributions were observed in head kidney and spleen cells samples obtained by the use of hypotonic lysis for two incubation conditions used (no incubation or 12 h of incubation at 4 °C). The density gradient protocol leads to a transitory increase in basal ROS production in spleen lymphocytes and macrophages The blood leukocytes isolated by this same method exhibit high basal oxidative activities after 12 h of incubation at 4 °C and for the three leukocyte types (lymphocytes, monocytes and granulocytes). The hypotonic lysis is associated with an increase in PMA-induced ROS production especially in head kidney leukocytes. The increases in cell oxidative activities are consistent with increases in granulocyte proportions observed in leukocyte suspensions obtained by hypotonic lysis. Finally, the two protocols have no effect on leukocyte mortality and phagocytic activity. Within limits of our experimental conditions, the spleen is the organ whose leukocyte oxidative activities (stimulated or not) are only slightly influenced by the methods used for leukocyte isolation. This is also the case for the anterior kidney, but for this tissue, it is necessary to incubate the isolated cells for 12 h at 4 °C before functional analyses. Each of the two methodologies used has advantages and disadvantages. The hypotonic lysis allows to isolate a greater variety of leukocytes types whereas the density gradient used ensures a better stability of cells distributions over time. However, for the same fish species and for the same tissue, the method used to isolate leukocytes influences results and must be taken into consideration during acquired data analysis for evaluation of fish immune status.
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Affiliation(s)
- Hakim C Samaï
- Université de Reims Champagne-Ardenne, UMR-I 02 SEBIO Stress Environnementaux et Biosurveillance des Milieux Aquatiques, SFR Condorcet FR CNRS 3417, UFR Sciences Exactes et Naturelles, BP 1039, 51687 Reims Cedex 2, France.
| | - Damien Rioult
- Université de Reims Champagne-Ardenne/INERIS, Plateau Technique Mobile en Cytométrie Environnementale MOBICYTE, UFR des Sciences Exactes et Naturelles, BP 1039, 51687 Reims Cedex 2, France
| | - Anne Bado-Nilles
- Institut National de l'Environnement Industriel et des Risques, UMR-I 02 SEBIO Stress Environnementaux et Biosurveillance des Milieux Aquatiques, 60550 Verneuil-en-Halatte, France
| | - Laurence Delahaut
- Université de Reims Champagne-Ardenne, UMR-I 02 SEBIO Stress Environnementaux et Biosurveillance des Milieux Aquatiques, SFR Condorcet FR CNRS 3417, UFR Sciences Exactes et Naturelles, BP 1039, 51687 Reims Cedex 2, France
| | - Justine Jubréaux
- Université de Reims Champagne-Ardenne, UMR-I 02 SEBIO Stress Environnementaux et Biosurveillance des Milieux Aquatiques, SFR Condorcet FR CNRS 3417, UFR Sciences Exactes et Naturelles, BP 1039, 51687 Reims Cedex 2, France
| | - Alain Geffard
- Université de Reims Champagne-Ardenne, UMR-I 02 SEBIO Stress Environnementaux et Biosurveillance des Milieux Aquatiques, SFR Condorcet FR CNRS 3417, UFR Sciences Exactes et Naturelles, BP 1039, 51687 Reims Cedex 2, France
| | - Jean-Marc Porcher
- Institut National de l'Environnement Industriel et des Risques, UMR-I 02 SEBIO Stress Environnementaux et Biosurveillance des Milieux Aquatiques, 60550 Verneuil-en-Halatte, France
| | - Stéphane Betoulle
- Université de Reims Champagne-Ardenne, UMR-I 02 SEBIO Stress Environnementaux et Biosurveillance des Milieux Aquatiques, SFR Condorcet FR CNRS 3417, UFR Sciences Exactes et Naturelles, BP 1039, 51687 Reims Cedex 2, France
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13
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Khuyen TD, Mandiki SNM, Cornet V, Douxfils J, Betoulle S, Bossier P, Reyes-López FE, Tort L, Kestemont P. Physiological and immune response of juvenile rainbow trout to dietary bovine lactoferrin. FISH & SHELLFISH IMMUNOLOGY 2017; 71:359-371. [PMID: 29050988 DOI: 10.1016/j.fsi.2017.10.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 10/12/2017] [Accepted: 10/14/2017] [Indexed: 06/07/2023]
Abstract
Lactoferrin, a large multifunctional glycoprotein, is involved in many physiological functions but its immunomodulatory pathways are not well characterized in fish. The objective of the present study was to investigate the temporal effect of dietary bovine lactoferrin (BLf) at low (0.1%) and high (1%) on immunological organs of rainbow trout juveniles. BLf diets did not affect specific growth rate, haematocrit, splenic index, spleen respiratory burst activity as well as humoral (mIgM) and neutrophils (MPO) gene expressions after short term - 35 days (D35) and long term nutrient test - 51 days (D51) of feeding. Both low and high BLf doses induced enhanced level of plasma alternative complement activity, plasma total immunoglobulin on D35 and D51, lymphocyte plus thrombocyte cell proportion on D35 and monocyte cell proportion in total blood leukocyte cells on D51. On D51 but not on D35, BLf diets upregulated the expression of inflammatory genes in kidney for il-1 at the low BLf dose, il-8 at both BLf doses and il-6 at the high BLf dose in spleen, and il-10 at both BLf doses in kidney. Moreover, the expression of T helper (cd4-2α; cd4-2β) genes was significantly upregulated only on D51 by both BLf doses in both spleen and kidney tissues. On D51, controls and BLf treated fish were intraperitoneally injected with A. salmonicida achromogenes. The expression of 13 immune genes was evaluated at 44 h post-injection (D54). The expression of lysozyme gene was upregulated by both BLf doses after bacterial infection both in spleen and kidney. The expression of mcsfrα (spleen) and tgf-β1 (kidney) was also modulated by both BLf doses. Low and high BLf doses enhanced disease resistance of rainbow trout juveniles with the cumulative survival rate of 36% and 38% respectively while those of the control was 19% after 14 days challenged with bacteria. The results indicate that BLf diets activated the humoral immunity, associated to blood leukocyte cells of rainbow trout after short term BLf administration, and the long term BLf administration was necessary for sensitizing other lymphoid organs such as in spleen and kidney. Only after long term test, BLf diets induced significantly higher levels of innate and adaptive immune gene expressions than those of the control. Dietary BLf activated more markedly the expression of innate immune genes than the adaptive ones; this upregulation of some immune genes could explain the high disease resistance observed in rainbow trout juveniles fed BLf.
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Affiliation(s)
- Trinh Dinh Khuyen
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles 61, 5000 Namur, Belgium; Aquatic Genetic and Selective Breeding Unit, Depatment of Aquaculture, Faculty of Fisheries, Vietnam National University of Agriculture (VNUA), 64/20 Ngo Xuan Quang Street, Trau Quy, Gia Lam, Hanoi, Vietnam
| | - Syaghalirwa N M Mandiki
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Valérie Cornet
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Jessica Douxfils
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Stéphane Betoulle
- Université de Reims Champagne-Ardenne, UMR-INERIS 02 SEBIO Stress Environnementaux et Biosurveillance des milieux aquatiques, Plateau technique mobile en cytométrie environnementale MOBICYTE, UFR Sciences Exactes et Naturelles, BP 1039, 51687 Reims Cedex 2, France
| | - Peter Bossier
- Laboratory of Aquaculture & Artemia Reference Center (ARC), Faculty of Bioscience Engineering - Blok F, Ghent University, Coupure Links 653, B-9000 Gent, Belgium
| | - Felipe E Reyes-López
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Lluis Tort
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Patrick Kestemont
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles 61, 5000 Namur, Belgium.
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14
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Le Guernic A, Sanchez W, Palluel O, Bado-Nilles A, Floriani M, Turies C, Chadili E, Vedova CD, Cavalié I, Adam-Guillermin C, Porcher JM, Geffard A, Betoulle S, Gagnaire B. Acclimation capacity of the three-spined stickleback (Gasterosteus aculeatus, L.) to a sudden biological stress following a polymetallic exposure. ECOTOXICOLOGY (LONDON, ENGLAND) 2016; 25:1478-1499. [PMID: 27475951 DOI: 10.1007/s10646-016-1699-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/14/2016] [Indexed: 06/06/2023]
Abstract
To get closer to the environmental reality, ecotoxicological studies should no longer consider the evaluation of a single pollutant, but rather combination of stress and their interaction. The aim of this study was to determine if responses of a fish to a sudden biological stress could be modified by a prior exposure to a chemical stress (a polymetallic contamination). For this purpose, in situ experiment was conducted in three ponds in the Haute-Vienne department (France). One pond was chosen for its high uranium concentration due to uranium mine tailings, and the two other ponds, which were not submitted to these tailings. Three-spined sticklebacks (Gasterosteus aculeatus) were caged in these ponds for 14 days. After this period, fish were submitted to a biological stress, exerted by lipopolysaccharides injection after anesthesia, and were sacrificed 4 days after these injections for multi-biomarkers analyses (leucocyte viability, phagocytic capacity and reactive oxygen species production, antioxidant peptide and enzymes, lipid peroxidation and DNA damage). The pond which received uranium mine tailings had higher metallic concentrations. Without biological stress, sticklebacks caged in this pond presented an oxidative stress, with increasing of reactive oxygen species levels, modification of some parts of the antioxidant system, and lipid peroxidation. Caging in the two most metal-contaminated ponds resulted in an increase of susceptibility of sticklebacks to the biological stress, preventing their phagocytic responses to lipopolysaccharides and modifying their glutathione contents and glutathione-S-transferase activity.
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Affiliation(s)
- Antoine Le Guernic
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France.
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France.
- UFR Sciences Exactes et Naturelles, UMR-I 02 SEBIO, Université de Reims Champagne-Ardenne (URCA), Campus Moulin de la Housse, B.P. 1039, 51687, Reims, France.
| | - Wilfried Sanchez
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Olivier Palluel
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Anne Bado-Nilles
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Magali Floriani
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
| | - Cyril Turies
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Edith Chadili
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Claire Della Vedova
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
| | - Isabelle Cavalié
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
| | - Christelle Adam-Guillermin
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
| | - Jean-Marc Porcher
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Alain Geffard
- UFR Sciences Exactes et Naturelles, UMR-I 02 SEBIO, Université de Reims Champagne-Ardenne (URCA), Campus Moulin de la Housse, B.P. 1039, 51687, Reims, France
| | - Stéphane Betoulle
- UFR Sciences Exactes et Naturelles, UMR-I 02 SEBIO, Université de Reims Champagne-Ardenne (URCA), Campus Moulin de la Housse, B.P. 1039, 51687, Reims, France
| | - Béatrice Gagnaire
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
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15
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Le Guernic A, Sanchez W, Bado-Nilles A, Palluel O, Turies C, Chadili E, Cavalié I, Delahaut L, Adam-Guillermin C, Porcher JM, Geffard A, Betoulle S, Gagnaire B. In situ effects of metal contamination from former uranium mining sites on the health of the three-spined stickleback (Gasterosteus aculeatus, L.). ECOTOXICOLOGY (LONDON, ENGLAND) 2016; 25:1234-1259. [PMID: 27272751 DOI: 10.1007/s10646-016-1677-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/23/2016] [Indexed: 06/06/2023]
Abstract
Human activities have led to increased levels of various pollutants including metals in aquatic ecosystems. Increase of metallic concentrations in aquatic environments represents a potential risk to exposed organisms, including fish. The aim of this study was to characterize the environmental risk to fish health linked to a polymetallic contamination from former uranium mines in France. This contamination is characterized by metals naturally present in the areas (manganese and iron), uranium, and metals (aluminum and barium) added to precipitate uranium and its decay products. Effects from mine releases in two contaminated ponds (Pontabrier for Haute-Vienne Department and Saint-Pierre for Cantal Department) were compared to those assessed at four other ponds outside the influence of mine tailings (two reference ponds/department). In this way, 360 adult three-spined sticklebacks (Gasterosteus aculeatus) were caged for 28 days in these six ponds before biomarker analyses (immune system, antioxidant system, biometry, histology, DNA integrity, etc.). Ponds receiving uranium mine tailings presented higher concentrations of uranium, manganese and aluminum, especially for the Haute-Vienne Department. This uranium contamination could explain the higher bioaccumulation of this metal in fish caged in Pontabrier and Saint-Pierre Ponds. In the same way, many fish biomarkers (antioxidant and immune systems, acetylcholinesterase activity and biometric parameters) were impacted by this environmental exposure to mine tailings. This study shows the interest of caging and the use of a multi-biomarker approach in the study of a complex metallic contamination.
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Affiliation(s)
- Antoine Le Guernic
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Centre de Cadarache, 13115, Saint-Paul-Lez-Durance, France.
- Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), BP 2, 60550, Verneuil-en-Halatte, France.
- Université de Reims Champagne-Ardenne, UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Moulin de la Housse, BP 1039, 51687, Reims, France.
| | - Wilfried Sanchez
- Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), BP 2, 60550, Verneuil-en-Halatte, France
| | - Anne Bado-Nilles
- Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), BP 2, 60550, Verneuil-en-Halatte, France
| | - Olivier Palluel
- Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), BP 2, 60550, Verneuil-en-Halatte, France
| | - Cyril Turies
- Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), BP 2, 60550, Verneuil-en-Halatte, France
| | - Edith Chadili
- Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), BP 2, 60550, Verneuil-en-Halatte, France
| | - Isabelle Cavalié
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Centre de Cadarache, 13115, Saint-Paul-Lez-Durance, France
| | - Laurence Delahaut
- Université de Reims Champagne-Ardenne, UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Moulin de la Housse, BP 1039, 51687, Reims, France
| | - Christelle Adam-Guillermin
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Centre de Cadarache, 13115, Saint-Paul-Lez-Durance, France
| | - Jean-Marc Porcher
- Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), BP 2, 60550, Verneuil-en-Halatte, France
| | - Alain Geffard
- Université de Reims Champagne-Ardenne, UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Moulin de la Housse, BP 1039, 51687, Reims, France
| | - Stéphane Betoulle
- Université de Reims Champagne-Ardenne, UMR-I 02 (INERIS, Université de Reims Champagne-Ardenne, Université du Havre) SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Moulin de la Housse, BP 1039, 51687, Reims, France
| | - Béatrice Gagnaire
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Centre de Cadarache, 13115, Saint-Paul-Lez-Durance, France
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16
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Koglin S, Kammann U, Eichbaum K, Reininghaus M, Eisner B, Wiseman S, Hecker M, Buchinger S, Reifferscheid G, Hollert H, Brinkmann M. Toward understanding the impacts of sediment contamination on a native fish species: transcriptional effects, EROD activity, and biliary PAH metabolites. ENVIRONMENTAL SCIENCES EUROPE 2016; 28:28. [PMID: 28003950 PMCID: PMC5136570 DOI: 10.1186/s12302-016-0096-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 10/27/2016] [Indexed: 05/06/2023]
Abstract
BACKGROUND Both frequency and intensity of flood events are expected to increase as a result of global climate change in the upcoming decades, potentially resulting in increased re-suspension of sediments in fluvial systems. Contamination of these re-suspended sediments with legacy contaminants, including dioxins and dioxin-like compounds (DLCs), as well as polycyclic aromatic hydrocarbons (PAHs) is of great ecotoxicological concern. DLCs, and to some extent also PAHs, exhibit their toxicity through activation of the aryl hydrocarbon receptor (AhR). However, interactions of DLCs with pathways other than those known to be mediated through the AhR are not fully understood to date. METHODS This study aimed to investigate molecular and biochemical effects in roach (Rutilus rutilus) during a 10 days exposure to suspensions of three natural sediments that differed in the level of DLC contamination. Concentrations of biliary PAH metabolites and hepatic 7-ethoxyresorufin-O-deethylase activity were quantified in exposed fish. Furthermore, the abundance of transcripts of several genes related to energy metabolism, response to oxidative stress, and apoptosis, as well as cytochrome P450 1A (cyp1a) was quantified. RESULTS Biliary PAH metabolites and activation of the AhR were confirmed as suitable early warning biomarkers of exposure to suspended sediments containing DLCs and PAHs that corresponded well with analytically determined concentrations of those contaminants. Although the abundances of transcripts of superoxide dismutase (sod), protein kinase c delta (pkcd), and ATP-binding cassette transporter c9 (abcc9) were altered by the treatment compared with unexposed control fish, none of these showed a time- or concentration-dependent response. The abundance of transcripts of pyruvate carboxylase (pc) and transferrin variant d (tfd) remained unaltered by the treatments. CONCLUSIONS We have shown that contaminated sediments can become a risk for fish during re-suspension events (e.g., flooding and dredging). We have also demonstrated that roach, which are native to most European freshwater systems, are suitable sentinel species due to their great sensitivity and ecological relevance. Roach may be particularly suitable in future field studies to assess the toxicological concerns associated with the release of DLCs and PAHs during sediment re-suspension.
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Affiliation(s)
- Sven Koglin
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
- Institute for Pharmacy and Molecular Biotechnology (IPMB), Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Ulrike Kammann
- Thünen-Institute of Fisheries Ecology, Palmaille 9, 22767 Hamburg, Germany
| | - Kathrin Eichbaum
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Mathias Reininghaus
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Bryanna Eisner
- Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK S7N 5B3 Canada
| | - Steve Wiseman
- Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK S7N 5B3 Canada
- Department of Biological Sciences, University of Lethbridge, 4401 University Drive, Lethbridge, AB T1K 3M4 Canada
| | - Markus Hecker
- Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK S7N 5B3 Canada
- School of Environment and Sustainability, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK S7N 5B3 Canada
| | - Sebastian Buchinger
- Department G3: Biochemistry, Ecotoxicology, Federal Institute of Hydrology (BFG), Am Mainzer Tor 1, 56068 Koblenz, Germany
| | - Georg Reifferscheid
- Department G3: Biochemistry, Ecotoxicology, Federal Institute of Hydrology (BFG), Am Mainzer Tor 1, 56068 Koblenz, Germany
| | - Henner Hollert
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
- College of Resources and Environmental Science, Chongqing University, 1 Tiansheng Road Beibei, Chongqing, 400715 China
- College of Environmental Science and Engineering and State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, 1239 Siping Road, Shanghai, China
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, China
| | - Markus Brinkmann
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
- School of Environment and Sustainability, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK S7N 5B3 Canada
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17
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Sen SS, Sukumaran V, Giri SS, Park SC. Flavonoid fraction of guava leaf extract attenuates lipopolysaccharide-induced inflammatory response via blocking of NF-κB signalling pathway in Labeo rohita macrophages. FISH & SHELLFISH IMMUNOLOGY 2015; 47:85-92. [PMID: 26327113 DOI: 10.1016/j.fsi.2015.08.031] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 08/21/2015] [Accepted: 08/26/2015] [Indexed: 06/04/2023]
Abstract
Psidium guajava L. is a well-known traditional medicinal plant widely used in folk medicine. To explore the anti-inflammatory activity of the flavonoid fraction of guava leaf extract (FGLE), we investigated its ability to suppress the levels of inflammatory mediators elevated by lipopolysaccharide (LPS) in Labeo rohita head-kidney (HK) macrophages. HK macrophages of L. rohita were treated with LPS in the presence or absence of the FGLE. We examined the inhibitory effect of FGLE on LPS-induced nitric oxide (NO) and prostaglandin E2 (PGE2) production. The inhibitory effect of FGLE on nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) were investigated by RT-PCR and western blot. The effect of FGLE on proinflammatory cytokines tumour necrosis factor alpha (TNF-α) or interleukin-1β (IL-1β) was also investigated by ELISA and RT-PCR. The phosphorylation of three mitogen activated protein kinases (MAPK) molecules ERK, JNK and p38 was analysed by western blot analysis. FGLE inhibited LPS-induced NO and PGE2 production. It also effectively inhibited TNF-α, IL-1β, IL-10, iNOS, and COX-2 production in a concentration-dependent manner. In addition, FGLE suppressed the mRNA expression levels of TNF-α and IL-1β in LPS-stimulated HK macrophages. RT-PCR and western blot analysis showed that FGLE decreased both the mRNA and protein expression levels of LPS-induced iNOS and COX-2 in HK macrophages. FGLE suppresses the phosphorylation of MAPK molecules in LPS-stimulated HK macrophages. FGLE also significantly inhibited LPS-induced NF-κB transcriptional activity. The molecular mechanism by which FGLE suppresses the expression of inflammatory mediators appears to involve the inhibition of NF-κB activation, through the suppression of LPS-induced IκB-α degradation. Together these results suggest that FGLE contains potential therapeutic agent(s), which regulate NF-κB activation, for the treatment of inflammatory conditions in L. rohita macrophages.
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Affiliation(s)
- Shib Sankar Sen
- School of Life Sciences, Jawharlal Nehru University, New Delhi-110067 Delhi, India.
| | - V Sukumaran
- Dept. of Biotechnology, Periyar Maniammai University, Thanjavur-613403, Tamil Nadu, India.
| | - Sib Sankar Giri
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul-151742, South Korea.
| | - Se Chang Park
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul-151742, South Korea.
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18
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Eidi H, David MO, Crépeaux G, Henry L, Joshi V, Berger MH, Sennour M, Cadusseau J, Gherardi RK, Curmi PA. Fluorescent nanodiamonds as a relevant tag for the assessment of alum adjuvant particle biodisposition. BMC Med 2015; 13:144. [PMID: 26082187 PMCID: PMC4482291 DOI: 10.1186/s12916-015-0388-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 06/03/2015] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Aluminum oxyhydroxide (alum) is a crystalline compound widely used as an immunologic adjuvant of vaccines. Concerns linked to alum particles have emerged following recognition of their causative role in the so-called macrophagic myofasciitis (MMF) lesion in patients with myalgic encephalomyelitis, revealing an unexpectedly long-lasting biopersistence of alum within immune cells and a fundamental misconception of its biodisposition. Evidence that aluminum-coated particles phagocytozed in the injected muscle and its draining lymph nodes can disseminate within phagocytes throughout the body and slowly accumulate in the brain further suggested that alum safety should be evaluated in the long term. However, lack of specific staining makes difficult the assessment of low quantities of bona fide alum adjuvant particles in tissues. METHODS We explored the feasibility of using fluorescent functionalized nanodiamonds (mfNDs) as a permanent label of alum (Alhydrogel(®)). mfNDs have a specific and perfectly photostable fluorescence based on the presence within the diamond lattice of nitrogen-vacancy centers (NV centers). As the NV center does not bleach, it allows the microspectrometric detection of mfNDs at very low levels and in the long-term. We thus developed fluorescent nanodiamonds functionalized by hyperbranched polyglycerol (mfNDs) allowing good coupling and stability of alum:mfNDs (AluDia) complexes. Specificities of AluDia complexes were comparable to the whole reference vaccine (anti-hepatitis B vaccine) in terms of particle size and zeta potential. RESULTS In vivo, AluDia injection was followed by prompt phagocytosis and AluDia particles remained easily detectable by the specific signal of the fND particles in the injected muscle, draining lymph nodes, spleen, liver and brain. In vitro, mfNDs had low toxicity on THP-1 cells and AluDia showed cell toxicity similar to alum alone. Expectedly, AluDia elicited autophagy, and allowed highly specific detection of small amounts of alum in autophagosomes. CONCLUSIONS The fluorescent nanodiamond technology is able to overcome the limitations of previously used organic fluorophores, thus appearing as a choice methodology for studying distribution, persistence and long-term neurotoxicity of alum adjuvants and beyond of other types of nanoparticles.
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Affiliation(s)
- Housam Eidi
- Institut National de la Santé et de la Recherche Médicale (INSERM) - UMR 1204, Université Evry-Val d'Essonne, Laboratoire Structure-Activité des Biomolécules Normales et Pathologiques, Evry, France. .,Inserm - U955, Université Paris Est, Faculté de Médecine, Créteil, France.
| | - Marie-Odile David
- Institut National de la Santé et de la Recherche Médicale (INSERM) - UMR 1204, Université Evry-Val d'Essonne, Laboratoire Structure-Activité des Biomolécules Normales et Pathologiques, Evry, France.
| | | | - Laetitia Henry
- Institut National de la Santé et de la Recherche Médicale (INSERM) - UMR 1204, Université Evry-Val d'Essonne, Laboratoire Structure-Activité des Biomolécules Normales et Pathologiques, Evry, France.
| | - Vandana Joshi
- Institut National de la Santé et de la Recherche Médicale (INSERM) - UMR 1204, Université Evry-Val d'Essonne, Laboratoire Structure-Activité des Biomolécules Normales et Pathologiques, Evry, France.
| | - Marie-Hélène Berger
- Laboratoire Pierre-Marie Fourt, Centre des Matériaux de l'Ecole des Mines de Paris and CNRS UMR 7633, Evry, France.
| | - Mohamed Sennour
- Laboratoire Pierre-Marie Fourt, Centre des Matériaux de l'Ecole des Mines de Paris and CNRS UMR 7633, Evry, France.
| | - Josette Cadusseau
- Inserm - U955, Université Paris Est, Faculté de Médecine, Créteil, France. .,Faculté des Sciences et Technologie UPEC, Créteil, France.
| | - Romain K Gherardi
- Inserm - U955, Université Paris Est, Faculté de Médecine, Créteil, France.
| | - Patrick A Curmi
- Institut National de la Santé et de la Recherche Médicale (INSERM) - UMR 1204, Université Evry-Val d'Essonne, Laboratoire Structure-Activité des Biomolécules Normales et Pathologiques, Evry, France.
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