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Belding LD, Thorstensen MJ, Quijada-Rodriguez AR, Bugg WS, Yoon GR, Loeppky AR, Allen GJP, Schoen AN, Earhart ML, Brandt C, Ali JL, Weihrauch D, Jeffries KM, Anderson WG. Integrated organismal responses induced by projected levels of CO 2 and temperature exposures in the early life stages of lake sturgeon. Mol Ecol 2024:e17432. [PMID: 38887831 DOI: 10.1111/mec.17432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 05/26/2024] [Accepted: 05/31/2024] [Indexed: 06/20/2024]
Abstract
Atmospheric CO2 and temperature are rising concurrently, and may have profound impacts on the transcriptional, physiological and behavioural responses of aquatic organisms. Further, spring snowmelt may cause transient increases of pCO2 in many freshwater systems. We examined the behavioural, physiological and transcriptomic responses of an ancient fish, the lake sturgeon (Acipenser fulvescens) to projected levels of warming and pCO2 during its most vulnerable period of life, the first year. Specifically, larval fish were raised in either low (16°C) or high (22°C) temperature, and/or low (1000 μatm) or high (2500 μatm) pCO2 in a crossed experimental design over approximately 8 months. Following overwintering, lake sturgeon were exposed to a transient increase in pCO2 of 10,000 μatm, simulating a spring melt based on data in freshwater systems. Transcriptional analyses revealed potential connections to otolith formation and reduced growth in fish exposed to high pCO2 and temperature in combination. Network analyses of differential gene expression revealed different biological processes among the different treatments on the edges of transcriptional networks. Na+/K+-ATPase activity increased in fish not exposed to elevated pCO2 during development, and mRNA abundance of the β subunit was most strongly predictive of enzyme activity. Behavioural assays revealed a decrease in total activity following an acute CO2 exposure. These results demonstrate compensatory and compounding mechanisms of pCO2 and warming dependent on developmental conditions in lake sturgeon. Conserved elements of the cellular stress response across all organisms provide key information for how other freshwater organisms may respond to future climate change.
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Affiliation(s)
- Luke D Belding
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Matt J Thorstensen
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | | | - William S Bugg
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
- Pacific Salmon Foundation, Vancouver, British Columbia, Canada
| | - Gwangseok R Yoon
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Biological Sciences, University of Toronto Scarborough, Toronto, Ontario, Canada
| | - Alison R Loeppky
- Ecology and Environmental Impact, WSP Canada Inc., Winnipeg, Manitoba, Canada
| | - Garrett J P Allen
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, Taiwan
| | - Alexandra N Schoen
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Biology, University of Winnipeg, Winnipeg, Manitoba, Canada
| | - Madison L Earhart
- Department of Zoology, University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Jennifer L Ali
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Dirk Weihrauch
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Kenneth M Jeffries
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - W Gary Anderson
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
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2
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Gavrilović BR, Despotović SG, Petrović TG, Radovanović TB, Gavrić JP, Mirč M, Anđelković M, Vukov T, Tomašević Kolarov N, Prokić MD. Does the anesthetic tricaine methanesulfonate (MS-222) distort oxidative status parameters in tadpoles? Comp Biochem Physiol C Toxicol Pharmacol 2024; 278:109859. [PMID: 38373513 DOI: 10.1016/j.cbpc.2024.109859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/30/2024] [Accepted: 02/15/2024] [Indexed: 02/21/2024]
Abstract
The effect of anesthesia/euthanasia with ethyl 3-aminobenzoate methanesulfonate (MS-222) on the oxidative status of Hyla arborea tadpoles was examined to determine whether the use of the anesthetic can confound the experimental results of the oxidative stress-based investigation. The experiment was conducted on two groups of tadpoles reared at different temperatures to produce differences in antioxidant capacity between the groups. After development at different temperatures (20 °C and 25 °C), the animals were exposed to different concentrations of MS-222 (0, 0.1, 1, and 5 g/L) for 15 min. The higher temperature decreased catalase activity, glutathione and protein carbonyl levels and increased glutathione reductase activity. The glutathione level and glutathione/thiol-related parameters were significantly changed after MS-222 exposure. However, individuals from the different temperature groups responded differently to the tested anesthetic, pointing to the possible influence of the initial levels of antioxidant capacity. The analysis of the interaction between the factors (temperature and MS-222) confirmed that the anesthetic can confound the results regarding the effects of temperature on the oxidative status parameters. The concentration of 0.1 g/L MS-222 had the lowest influence on the alterations in oxidative status and the results of the effect of temperature. A brief review of the current literature on the use of MS-222 in tadpoles made clear the absence of precise information on anesthetic concentration and exposure time. Similar studies should be repeated and extended to other amphibian species and other factors of interest to provide better guidance on tadpole anesthesia/euthanasia for future experiments that consider oxidative status parameters.
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Affiliation(s)
- Branka R Gavrilović
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia.
| | - Svetlana G Despotović
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia
| | - Tamara G Petrović
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia. https://twitter.com/TamaraP72136937
| | - Tijana B Radovanović
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia
| | - Jelena P Gavrić
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia
| | - Marko Mirč
- Department of Evolutionary Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia
| | - Marko Anđelković
- Department of Evolutionary Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia
| | - Tanja Vukov
- Department of Evolutionary Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia
| | - Nataša Tomašević Kolarov
- Department of Evolutionary Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia
| | - Marko D Prokić
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia. https://twitter.com/MarkoProkic5
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3
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Briñez-Gallego P, da Costa Silva DG, Horn AP, Hort MA. Effects of curcumin to counteract levodopa-induced toxicity in zebrafish. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2023; 86:950-964. [PMID: 37767720 DOI: 10.1080/15287394.2023.2261120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized by motor dysfunction due to the death of dopaminergic neurons in the substantia nigra pars compacta. Currently, treatment of PD has focused on increasing dopamine levels, using a dopamine precursor, levodopa (L-DOPA) or stimulation of dopaminergic receptors. Prolonged use of L-DOPA is associated with the occurrence of motor complications and dyskinesia, attributed to neurotoxic effects of this drug. The aim of this study was to investigate the effects of curcumin (CUR), a lipophilic polyphenol, to counteract L-DOPA induced toxicity. Zebrafish larvae were pre-treated with CUR (0.05 µM) or vehicle dimethyl sulfoxide (DMSO) for 24 hr and subsequently exposed to L-DOPA (1 mM) or vehicle. Immediately and 24 hr after L-DOPA exposure, spontaneous swimming and dark/light behavioral tests were performed. In addition, levels of reactive oxygen species (ROS) and lipid peroxidation products were determined at the end of treatment. CUR significantly improved the motor impairment induced by 24 hr L-DOPA treatment, and reduced levels of ROS and lipoperoxidation products in zebrafish larvae. In conclusion, our results suggest that CUR acts as a neuroprotector against toxicity initiated by L-DOPA. Evidence suggests the observed effects of CUR are associated with its antioxidant properties.
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Affiliation(s)
- Paola Briñez-Gallego
- Programa de Pós-graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - Dennis Guilherme da Costa Silva
- Programa de Pós-graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - Ana Paula Horn
- Programa de Pós-graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - Mariana Appel Hort
- Programa de Pós-graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
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4
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Yu F, Jin F, Cong Y, Lou Y, Li Z, Li R, Ding B, Wang Y, Chen J, Wang J. Bisphenol A decreases the developmental toxicity and histopathological alterations caused by polystyrene nanoplastics in developing marine medaka Oryzias melastigma. CHEMOSPHERE 2023:139174. [PMID: 37301517 DOI: 10.1016/j.chemosphere.2023.139174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/27/2023] [Accepted: 06/07/2023] [Indexed: 06/12/2023]
Abstract
Nanoplastics (NPs) are emerging pollutants posing risks to marine biota and human health due to their small size and high bioavailability. However, there are still knowledge gaps regarding effects of co-existing pollutants on NPs toxicity to marine organisms at their respective environmentally relevant concentrations. Herein we investigated developmental toxicity and histopathological alterations caused by co-exposure of polystyrene nanoplastics (PS-NPs) and bisphenol A (BPA) to marine medaka, Oryzias melastigma. Embryos at 6 h post-fertilization were exposed to 50-nm PS-NPs (55 μg/L) or BPA (100 μg/L) or co-exposed to a combination of both. Results showed that PS-NPs exhibited decreased embryonic heart rate, larval body length, and embryonic survival as well as larval deformities such as hemorrhaging and craniofacial abnormality. When co-exposed, BPA mitigated all the adverse developmental effects caused by PS-NPs. PS-NPs also led to an increase in histopathological condition index of liver with early inflammatory responses, while co-exposure of BPA with PS-NPs did not. Our data suggest that the toxicity reduction of PS-NPs in the presence of BPA might result from the decreased bioaccumulation of PS-NPs caused by the interaction between BPA and PS-NPs. This study unveiled the impact of BPA on the toxicity of nanoplastics in marine fish during early developmental stages and highlight the need of more research on the long-term effects of complex mixtures in the marine environment by applying omics approaches to better understand the toxicity mechanism.
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Affiliation(s)
- Fuwei Yu
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China; Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Fei Jin
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Yi Cong
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Yadi Lou
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Zhaochuan Li
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Ruijing Li
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Baojun Ding
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China.
| | - Ying Wang
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China.
| | - Jingwen Chen
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), Key Laboratory on Chemicals Risk Control and Pollution Prevention Technology, School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Juying Wang
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
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5
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Ferreira JM, Félix L, Jorge S, Monteiro SM, Olsson IAS, Valentim AM. Anesthesia Overdose Versus Rapid Cooling for Euthanasia of Adult Zebrafish. Zebrafish 2022; 19:148-159. [PMID: 35759370 DOI: 10.1089/zeb.2022.0001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The rapid increase in zebrafish use needs to be accompanied by research into the refinement of procedures. The European (EU) Directive lists three possible euthanasia methods for fish: anesthetic overdose, electrical stunning, and concussion. However, for small fish such as zebrafish, concussion and electrical stunning are difficult to perform, leaving anesthetic overdose as the most used method. Our aim was to test the efficacy and side effects of anesthesia overdose using different anesthetics and the rapid cooling method to euthanize adult zebrafish. Adult mixed-sex AB zebrafish were randomly assigned to: 250 mg/L MS222; 20 mg/L propofol +100 mg/L lidocaine; 6 mg/L etomidate; 50 mg/L clove oil; and rapid cooling (water at 2°C-4°C). Two minutes after opercular movement ceased, animals were transferred into clean water for 20 min and recovery assessed, or decapitated and used for biochemical analysis of the gills, muscle, liver, and brain; for the histological analysis of the gills and muscle; or for the assessment of cortisol levels. No animal recovered; rapid cooling was the quickest and etomidate overdose was the slowest method to cease the opercular movements. There were no major differences between euthanasia methods regarding the biochemical or histological data. Cortisol levels were higher in the rapid cooling group, but only when compared with the propofol/lidocaine group. The use of a physical method of euthanasia, such as rapid cooling, is essential when chemicals, such as anesthetics, may interfere with postmortem analyses. Although anesthetic overdose can be used without major effects on the analyses conducted in this work, rapid cooling can be another option with the advantage of being simple to administer, easily available, affordable, and very quick; this decreases the potential duration of suffering, being more humane. Therefore, a change in EU legislation should be considered to include additional humane options for euthanasia, such as rapid cooling, for zebrafish and other small tropical fish.
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Affiliation(s)
- Jorge M Ferreira
- Laboratory Animal Science Group, Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
| | - Luís Félix
- Laboratory Animal Science Group, Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Centro de Investigação e de Tecnologias Agroambientais e Biológicas (CITAB), Universidade de Trás-os-Monte e Alto Douro, Vila Real, Portugal
| | - Sara Jorge
- Laboratory Animal Science Group, Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
| | - Sandra M Monteiro
- Centro de Investigação e de Tecnologias Agroambientais e Biológicas (CITAB), Universidade de Trás-os-Monte e Alto Douro, Vila Real, Portugal
- Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, Universidade de Trás-os-Monte e Alto Douro, Vila Real, Portugal
| | - I Anna S Olsson
- Laboratory Animal Science Group, Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
| | - Ana M Valentim
- Laboratory Animal Science Group, Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Centro de Investigação e de Tecnologias Agroambientais e Biológicas (CITAB), Universidade de Trás-os-Monte e Alto Douro, Vila Real, Portugal
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Lanzarin G, Venâncio C, Félix LM, Monteiro S. Inflammatory, Oxidative Stress, and Apoptosis Effects in Zebrafish Larvae after Rapid Exposure to a Commercial Glyphosate Formulation. Biomedicines 2021; 9:biomedicines9121784. [PMID: 34944599 PMCID: PMC8698920 DOI: 10.3390/biomedicines9121784] [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: 11/01/2021] [Revised: 11/23/2021] [Accepted: 11/23/2021] [Indexed: 01/24/2023] Open
Abstract
Glyphosate-based herbicides (GBH) are the most used herbicides in the world, carrying potentially adverse consequences to the environment and non-target species due to their massive and inadequate use. This study aimed to evaluate the effects of acute exposure to a commercial formulation of glyphosate, Roundup® Flex (RF), at environmentally relevant and higher concentrations in zebrafish larvae through the assessment of the inflammatory, oxidative stress and cell death response. Transgenic Tg(mpxGFP)i114 and wild-type (WT) zebrafish larvae (72 h post-fertilisation) were exposed to 1, 5, and 10 µg mL-1 of RF (based on the active ingredient concentration) for 4 h 30 min. A concentration of 2.5 µg mL-1 CuSO4 was used as a positive control. Copper sulphate exposure showed effectiveness in enhancing the inflammatory profile by increasing the number of neutrophils, nitric oxide (NO) levels, reactive oxygen species (ROS), and cell death. None of the RF concentrations tested showed changes in the number of neutrophils and NO. However, the concentration of 10 µg a.i. mL-1 was able to induce an increase in ROS levels and cell death. The activity of antioxidant enzymes (superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx)), the biotransformation activity, the levels of reduced (GSH) and oxidised (GSSG) glutathione, lipid peroxidation (LPO), lactate dehydrogenase (LDH), and acetylcholinesterase (AChE) were similar among groups. Overall, the evidence may suggest toxicological effects are dependent on the concentration of RF, although at concentrations that are not routinely detected in the environment. Additional studies are needed to better understand the underlying molecular mechanisms of this formulation.
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Affiliation(s)
- Germano Lanzarin
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- Correspondence: (G.L.); (L.M.F.); (S.M.)
| | - Carlos Venâncio
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- Department of Animal Science, School of Agrarian and Veterinary Sciences, UTAD, 5000-801 Vila Real, Portugal
- Animal and Veterinary Research Center (CECAV), UTAD, 5000-801 Vila Real, Portugal
- Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), UTAD, 5000-801 Vila Real, Portugal
| | - Luís M. Félix
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- Instituto de Investigação e Inovação em Saúde (i3s), Laboratory Animal Science (LAS), Instituto de Biologia Molecular Celular (IBMC), University of Porto (UP), 4200-135 Porto, Portugal
- Correspondence: (G.L.); (L.M.F.); (S.M.)
| | - Sandra Monteiro
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), UTAD, 5000-801 Vila Real, Portugal
- Department of Biology and Environment (DeBA), School of Life and Environmental Sciences (ECVA), UTAD, 5000-801 Vila Real, Portugal
- Correspondence: (G.L.); (L.M.F.); (S.M.)
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7
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Ramos J, Balasch JC, Tort L. About Welfare and Stress in the Early Stages of Fish. Front Vet Sci 2021; 8:634434. [PMID: 33693043 PMCID: PMC7937697 DOI: 10.3389/fvets.2021.634434] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 01/25/2021] [Indexed: 11/16/2022] Open
Affiliation(s)
- Juan Ramos
- Department Cell Biology, Physiology and Immunology, Universitat Autonoma de Barcelona, Bellaterra, Spain
| | - Joan Carles Balasch
- Department Cell Biology, Physiology and Immunology, Universitat Autonoma de Barcelona, Bellaterra, Spain
| | - Lluis Tort
- Department Cell Biology, Physiology and Immunology, Universitat Autonoma de Barcelona, Bellaterra, Spain
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Félix LM, Luzio A, Antunes L, Coimbra AM, Valentim AM. Malformations and mortality in zebrafish early stages associated with elevated caspase activity after 24 h exposure to MS-222. Toxicol Appl Pharmacol 2020; 412:115385. [PMID: 33370555 DOI: 10.1016/j.taap.2020.115385] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/30/2020] [Accepted: 12/22/2020] [Indexed: 01/20/2023]
Abstract
Tricaine methanesulfonate (MS-222) is a commonly used anaesthetic agent for immobilization of aquatic species. However, delayed development and malformations have been observed in 24 hpf (hours post-fertilization) zebrafish embryos after long-term immobilization. Still, no comprehensive study has been described regarding zebrafish exposure to MS-222 during the first hours of development, which are one of the most sensitive life stages to toxicants. Therefore, this research aimed to assess the toxicity of a 24 h exposure to MS-222 on zebrafish embryonic development. Based on the MS-222 LC50, early blastula stage embryos (~2 hpf) were exposed to 0, 12.5, 25 and 50 mg L-1 for 24 h and then allowed to develop up to 144 hpf. The chromatographic analysis showed that this anaesthetic agent bioaccumulates in 26 hpf zebrafish larvae in a concentration-dependent manner. In addition, increased mortalities and skeletal abnormalities were observed at 144 hpf, namely in the highest tested concentration. Yet, no craniofacial anomalies were observed either by alcian blue or calcein staining methods. Independently of the tested concentration, decreased speed and distance travelled were perceived in 144 hpf larvae. At the biochemical level, decreased in vivo reactive oxygen species (ROS) generation and apoptosis was observed. Additionally, catalase activity was increased at 26 hpf while results of mRNA expression showed a decreased gclc transcript content at the same time-point. Overall, data obtained highlight the toxicological risk of MS-222 and support ROS-mediated cell death signalling changes through the elevation of catalase activity as an adaptative or protective response.
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Affiliation(s)
- Luís M Félix
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; Laboratory Animal Science, IBMC - Instituto de Biologia Molecular Celular, Universidade do Porto, Porto, Portugal; Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Ana Luzio
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; School of Life and Environmental Sciences (ECVA), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Luís Antunes
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; School of Agrarian and Veterinary Sciences (ECAV), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Ana M Coimbra
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; School of Life and Environmental Sciences (ECVA), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Ana M Valentim
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; Laboratory Animal Science, IBMC - Instituto de Biologia Molecular Celular, Universidade do Porto, Porto, Portugal; Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
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9
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Colón-Rodríguez A, Uribe-Salazar JM, Weyenberg KB, Sriram A, Quezada A, Kaya G, Jao E, Radke B, Lein PJ, Dennis MY. Assessment of Autism Zebrafish Mutant Models Using a High-Throughput Larval Phenotyping Platform. Front Cell Dev Biol 2020; 8:586296. [PMID: 33330465 PMCID: PMC7719691 DOI: 10.3389/fcell.2020.586296] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 10/21/2020] [Indexed: 12/16/2022] Open
Abstract
In recent years, zebrafish have become commonly used as a model for studying human traits and disorders. Their small size, high fecundity, and rapid development allow for more high-throughput experiments compared to other vertebrate models. Given that zebrafish share >70% gene homologs with humans and their genomes can be readily edited using highly efficient CRISPR methods, we are now able to rapidly generate mutations impacting practically any gene of interest. Unfortunately, our ability to phenotype mutant larvae has not kept pace. To address this challenge, we have developed a protocol that obtains multiple phenotypic measurements from individual zebrafish larvae in an automated and parallel fashion, including morphological features (i.e., body length, eye area, and head size) and movement/behavior. By assaying wild-type zebrafish in a variety of conditions, we determined optimal parameters that avoid significant developmental defects or physical damage; these include morphological imaging of larvae at two time points [3 days post fertilization (dpf) and 5 dpf] coupled with motion tracking of behavior at 5 dpf. As a proof-of-principle, we tested our approach on two novel CRISPR-generated mutant zebrafish lines carrying predicted null-alleles of syngap1b and slc7a5, orthologs to two human genes implicated in autism-spectrum disorder, intellectual disability, and epilepsy. Using our optimized high-throughput phenotyping protocol, we recapitulated previously published results from mouse and zebrafish models of these candidate genes. In summary, we describe a rapid parallel pipeline to characterize morphological and behavioral features of individual larvae in a robust and consistent fashion, thereby improving our ability to better identify genes important in human traits and disorders.
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Affiliation(s)
- Alexandra Colón-Rodríguez
- Genome Center, Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States
| | - José M Uribe-Salazar
- Genome Center, Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States.,Integrative Genetics and Genomics Graduate Group, University of California, Davis, Davis, CA, United States
| | - KaeChandra B Weyenberg
- Genome Center, Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States
| | - Aditya Sriram
- Genome Center, Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States
| | - Alejandra Quezada
- Genome Center, Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States.,Sacramento State RISE Program, California State University, Sacramento, Sacramento, CA, United States
| | - Gulhan Kaya
- Genome Center, Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States
| | - Emily Jao
- Genome Center, Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States
| | - Brittany Radke
- Genome Center, Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States
| | - Pamela J Lein
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States.,MIND Institute, School of Medicine, University of California, Davis, Davis, CA, United States
| | - Megan Y Dennis
- Genome Center, Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States.,Integrative Genetics and Genomics Graduate Group, University of California, Davis, Davis, CA, United States.,MIND Institute, School of Medicine, University of California, Davis, Davis, CA, United States
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