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Järvinen P, Kakko M, Sikanen T. Cytotoxicity of pharmaceuticals and their mixtures toward scaffold-free 3D spheroid cultures of rainbow trout (Oncorhynchus mykiss) hepatocytes. Eur J Pharm Sci 2024; 199:106817. [PMID: 38797439 DOI: 10.1016/j.ejps.2024.106817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 05/23/2024] [Accepted: 05/23/2024] [Indexed: 05/29/2024]
Abstract
Pharmaceutical residues are widely detected in surface waters all around the world, causing a range of adverse effects on environmental species, such as fish. Besides population level effects (mortality, reproduction), pharmaceutical residues can bioaccumulate in fish tissues resulting in organ-specific toxicities. In this study, we developed in vitro 3D culture models for rainbow trout (Oncorhynchus mykiss) liver cell line (RTH-149) and cryopreserved, primary rainbow trout hepatocytes (RTHEP), and compared their spheroid formation and susceptibility to toxic impacts of pharmaceuticals. The rapidly proliferating, immortalized RTH-149 cells were shown to form compact spheroids with uniform morphology in just three days, thus enabling higher throughput toxicity screening compared with the primary cells that required acclimation times of about one week. In addition, we screened the cytotoxicity of a total of fourteen clinically used human pharmaceuticals toward the 3D cultures of both RTH-149 cells (metabolically inactive) and primary RTHEP cells (metabolically active), to evaluate the impacts of the pharmaceuticals' own metabolism on their hepatotoxicity in rainbow trout in vitro. Among the test substances, the azole antifungals (clotrimazole and ketoconazole) were identified as the most cytotoxic, with hepatic metabolism indicatively amplifying their toxicity, followed by fluoxetine, levomepromazine, and sertraline, which were slightly less toxic toward the metabolically active primary cells than RTH-149 spheroids. Besides individual pharmaceuticals, the 3D cultures were challenged with mixtures of the eight most toxic substances, to evaluate if their combined mixture toxicities can be predicted based on individual substances' half-maximal effect (EC50) concentrations. As a result, the classical concentration addition approach was concluded sufficiently accurate for preliminarily informing on the approximate effect concentrations of pharmaceutical mixtures on a cellular level. However, direct read-across from human data was proven challenging and inexplicit for prediction of hepatotoxicity in fish in vitro.
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Affiliation(s)
- Päivi Järvinen
- Faculty of Pharmacy, Drug Research Program, P.O. Box 56 (Viikinkaari 5E), FI-00014 University of Helsinki, Helsinki, Finland
| | - Maija Kakko
- Faculty of Pharmacy, Drug Research Program, P.O. Box 56 (Viikinkaari 5E), FI-00014 University of Helsinki, Helsinki, Finland
| | - Tiina Sikanen
- Faculty of Pharmacy, Drug Research Program, P.O. Box 56 (Viikinkaari 5E), FI-00014 University of Helsinki, Helsinki, Finland; Helsinki Institute of Sustainability Science, P.O. Box 4 (Yliopistonkatu 3), FI-00014 University of Helsinki, Helsinki, Finland.
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2
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Rattner BA, Bean TG, Beasley VR, Berny P, Eisenreich KM, Elliott JE, Eng ML, Fuchsman PC, King MD, Mateo R, Meyer CB, O'Brien JM, Salice CJ. Wildlife ecological risk assessment in the 21st century: Promising technologies to assess toxicological effects. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2024; 20:725-748. [PMID: 37417421 DOI: 10.1002/ieam.4806] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 06/24/2023] [Accepted: 06/27/2023] [Indexed: 07/08/2023]
Abstract
Despite advances in toxicity testing and the development of new approach methodologies (NAMs) for hazard assessment, the ecological risk assessment (ERA) framework for terrestrial wildlife (i.e., air-breathing amphibians, reptiles, birds, and mammals) has remained unchanged for decades. While survival, growth, and reproductive endpoints derived from whole-animal toxicity tests are central to hazard assessment, nonstandard measures of biological effects at multiple levels of biological organization (e.g., molecular, cellular, tissue, organ, organism, population, community, ecosystem) have the potential to enhance the relevance of prospective and retrospective wildlife ERAs. Other factors (e.g., indirect effects of contaminants on food supplies and infectious disease processes) are influenced by toxicants at individual, population, and community levels, and need to be factored into chemically based risk assessments to enhance the "eco" component of ERAs. Regulatory and logistical challenges often relegate such nonstandard endpoints and indirect effects to postregistration evaluations of pesticides and industrial chemicals and contaminated site evaluations. While NAMs are being developed, to date, their applications in ERAs focused on wildlife have been limited. No single magic tool or model will address all uncertainties in hazard assessment. Modernizing wildlife ERAs will likely entail combinations of laboratory- and field-derived data at multiple levels of biological organization, knowledge collection solutions (e.g., systematic review, adverse outcome pathway frameworks), and inferential methods that facilitate integrations and risk estimations focused on species, populations, interspecific extrapolations, and ecosystem services modeling, with less dependence on whole-animal data and simple hazard ratios. Integr Environ Assess Manag 2024;20:725-748. © 2023 His Majesty the King in Right of Canada and The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC). Reproduced with the permission of the Minister of Environment and Climate Change Canada. This article has been contributed to by US Government employees and their work is in the public domain in the USA.
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Affiliation(s)
- Barnett A Rattner
- US Geological Survey, Eastern Ecological Science Center, Laurel, Maryland, USA
| | | | - Val R Beasley
- College of Veterinary Medicine, University of Illinois at Urbana, Champaign, Illinois, USA
| | | | - Karen M Eisenreich
- US Environmental Protection Agency, Washington, District of Columbia, USA
| | - John E Elliott
- Environment and Climate Change Canada, Delta, British Columbia, Canada
| | - Margaret L Eng
- Environment and Climate Change Canada, Dartmouth, Nova Scotia, Canada
| | | | - Mason D King
- Simon Fraser University, Burnaby, British Columbia, Canada
| | | | | | - Jason M O'Brien
- Environment and Climate Change Canada, Ottawa, Ontario, Canada
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3
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Langan LM, Paparella M, Burden N, Constantine L, Margiotta-Casaluci L, Miller TH, Moe SJ, Owen SF, Schaffert A, Sikanen T. Big Question to Developing Solutions: A Decade of Progress in the Development of Aquatic New Approach Methodologies from 2012 to 2022. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024; 43:559-574. [PMID: 36722131 PMCID: PMC10390655 DOI: 10.1002/etc.5578] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/26/2022] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
In 2012, 20 key questions related to hazard and exposure assessment and environmental and health risks of pharmaceuticals and personal care products in the natural environment were identified. A decade later, this article examines the current level of knowledge around one of the lowest-ranking questions at that time, number 19: "Can nonanimal testing methods be developed that will provide equivalent or better hazard data compared with current in vivo methods?" The inclusion of alternative methods that replace, reduce, or refine animal testing within the regulatory context of risk and hazard assessment of chemicals generally faces many hurdles, although this varies both by organism (human-centric vs. other), sector, and geographical region or country. Focusing on the past 10 years, only works that might reasonably be considered to contribute to advancements in the field of aquatic environmental risk assessment are highlighted. Particular attention is paid to methods of contemporary interest and importance, representing progress in (1) the development of methods which provide equivalent or better data compared with current in vivo methods such as bioaccumulation, (2) weight of evidence, or (3) -omic-based applications. Evolution and convergence of these risk assessment areas offer the basis for fundamental frameshifts in how data are collated and used for the protection of taxa across the breadth of the aquatic environment. Looking to the future, we are at a tipping point, with a need for a global and inclusive approach to establish consensus. Bringing together these methods (both new and old) for regulatory assessment and decision-making will require a concerted effort and orchestration. Environ Toxicol Chem 2024;43:559-574. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Laura M Langan
- Department of Environmental Science, Baylor University, One Bear Place #97266, Waco, TX, 76798, USA
| | - Martin Paparella
- Department of Medical Biochemistry, Medical University of Innsbruck, Innrain 80, 6020 Innsbruck, Austria
| | - Natalie Burden
- National Centre for the 3Rs (NC3Rs), Gibbs Building, 215 Euston Road, London NW1 2BE, UK
| | | | - Luigi Margiotta-Casaluci
- Department of Analytical, Environmental and Forensic Sciences, School of Cancer and Pharmaceutical Sciences, King’s College London, London SE1 9NQ, UK
| | - Thomas H. Miller
- Centre for Pollution Research & Policy, Environmental Sciences, Brunel University London, London, UK
| | - S. Jannicke Moe
- Norwegian Institute for Water Research, Økernveien 94, 0579 Oslo, Norway
| | - Stewart F. Owen
- AstraZeneca, Global Sustainability, Macclesfield, Cheshire SK10 2NA, UK
| | - Alexandra Schaffert
- Department of Medical Biochemistry, Medical University of Innsbruck, Innrain 80, 6020 Innsbruck, Austria
| | - Tiina Sikanen
- Faculty of Pharmacy and Helsinki Institute of Sustainability Science, University of Helsinki, Yliopistonkatu 3, Helsinki, 00100, Finland
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Kumar MS, Singh VK, Mishra AK, Kushwaha B, Kumar R, Lal KK. Fish cell line: depositories, web resources and future applications. Cytotechnology 2024; 76:1-25. [PMID: 38304629 PMCID: PMC10828409 DOI: 10.1007/s10616-023-00601-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 10/19/2023] [Indexed: 02/03/2024] Open
Abstract
Cell lines are important bioresources to study the key biological processes in the areas like virology, pathology, immunology, toxicology, biotechnology, endocrinology and developmental biology. Cell lines developed from fish organs are utilized as a model in vitro system in disease surveillance programs, pharmacology, drug screening and resolving cases of metabolic abnormalities. During last decade, there were consistent efforts made globally to develop new fish cell lines from different organs like brain, eye muscles, fin, gill, heart, kidney, liver, skin, spleen, swim bladder, testes, vertebra etc. This increased use and development of cell lines necessitated the establishment of cell line depositories to store/preserve them and assure their availability to the researchers. These depositories are a source of authenticated and characterized cell lines with set protocols for material transfer agreements, maintenance and shipping as well as logistics enabling cellular research. Hence, it is important to cryopreserve and maintain cell lines in depositories and make them available to the research community. The present article reviews the current status of the fish cell lines available in different depositories across the world, along with the prominent role of cell lines in conservation of life on land or below water. Supplementary Information The online version contains supplementary material available at 10.1007/s10616-023-00601-2.
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Affiliation(s)
- Murali S. Kumar
- ICAR-National Bureau of Fish Genetic Resources, Lucknow, Uttar Pradesh 226 002 India
| | - Vijay Kumar Singh
- ICAR-National Bureau of Fish Genetic Resources, Lucknow, Uttar Pradesh 226 002 India
| | - Akhilesh Kumar Mishra
- ICAR-National Bureau of Fish Genetic Resources, Lucknow, Uttar Pradesh 226 002 India
| | - Basdeo Kushwaha
- ICAR-National Bureau of Fish Genetic Resources, Lucknow, Uttar Pradesh 226 002 India
| | - Ravindra Kumar
- ICAR-National Bureau of Fish Genetic Resources, Lucknow, Uttar Pradesh 226 002 India
| | - Kuldeep Kumar Lal
- ICAR-National Bureau of Fish Genetic Resources, Lucknow, Uttar Pradesh 226 002 India
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5
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Alves RF, Lopes C, Rocha E, Madureira TV. A Step Forward in the Characterization of Primary Brown Trout Hepatocytic Spheroids as Experimental Models. Animals (Basel) 2023; 13:2277. [PMID: 37508054 PMCID: PMC10376616 DOI: 10.3390/ani13142277] [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: 05/23/2023] [Revised: 07/03/2023] [Accepted: 07/08/2023] [Indexed: 07/30/2023] Open
Abstract
Mammal hepatocyte spheroids have been investigated as alternative experimental models in several contexts, since three-dimensional (3D) systems have shown the potential to mimic in vivo scenarios. The description of fish hepatocyte 3D models is still minimal. This study intends to further characterize brown trout primary hepatocyte spheroids at distinct time points up to 25 days in culture. Viability, biometry, histomorphology, and basal expression of a selection of genes (metabolism and detoxification, efflux transport, and estrogenic signalling) were considered. The gene expression of whole liver samples from the same fish donor were evaluated concurrently. After 12 days in culture, the hepatocyte spheroids exhibited biometric and morphological stability. From the 12th to the 20th day in culture, the basal expression levels for most of the selected genes did not vary. The targeted mRNA levels were higher in brown trout liver samples compared to hepatocyte spheroids. Despite that, data supported that this model resembles some in vivo features. As an experimental alternative model, it showed potential to be used in a stable time window that can be exploited for exposure tests to different xenobiotics, namely, estrogenic compounds.
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Affiliation(s)
- Rodrigo F Alves
- Team of Animal Morphology and Toxicology, Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
- Laboratory of Histology and Embryology, Department of Microscopy, ICBAS-School of Medicine and Biomedical Sciences, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Célia Lopes
- Team of Animal Morphology and Toxicology, Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
- Laboratory of Histology and Embryology, Department of Microscopy, ICBAS-School of Medicine and Biomedical Sciences, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Eduardo Rocha
- Team of Animal Morphology and Toxicology, Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
- Laboratory of Histology and Embryology, Department of Microscopy, ICBAS-School of Medicine and Biomedical Sciences, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Tânia V Madureira
- Team of Animal Morphology and Toxicology, Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
- Laboratory of Histology and Embryology, Department of Microscopy, ICBAS-School of Medicine and Biomedical Sciences, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
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6
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Wang T, Desmet J, Pérez-Albaladejo E, Porte C. Development of fish liver PLHC-1 spheroids and its applicability to investigate the toxicity of plastic additives. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 259:115016. [PMID: 37196525 DOI: 10.1016/j.ecoenv.2023.115016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 05/10/2023] [Accepted: 05/13/2023] [Indexed: 05/19/2023]
Abstract
Fish liver cell lines are valuable tools to understand the toxicity of chemicals in aquatic vertebrates. While conventional 2D cell cultures grown in monolayers are well established, they fail to emulate toxic gradients and cellular functions as in in-vivo conditions. To overcome these limitations, this work focuses on the development of Poeciliopsis lucida (PLHC-1) spheroids as a testing platform to evaluate the toxicity of a mixture of plastic additives. The growth of spheroids was monitored over a period of 30 days, and spheroids 2-8 days old and sized between 150 and 250 µm were considered optimal for conducting toxicity tests due to their excellent viability and metabolic activity. Eight-day-old spheroids were selected for lipidomic characterization. Compared to 2D-cells, the lipidome of spheroids was relatively enriched in highly unsaturated phosphatidylcholines (PCs), sphingosines (SPBs), sphingomyelins (SMs) and cholesterol esters (CEs). When exposed to a mixture of plastic additives, spheroids were less responsive in terms of decreased cell viability and generation of reactive oxygen species (ROS), but were more sensitive than cells growing in monolayers for lipidomic responses. The lipid profile of 3D-spheroids was similar to a liver-like phenotype and it was strongly modulated by exposure to plastic additives. The development of PLHC-1 spheroids represents an important step towards the application of more realistic in-vitro methods in aquatic toxicity studies.
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Affiliation(s)
- Tiantian Wang
- Environmental Chemistry Department, IDAEA -CSIC-, C/ Jordi Girona, 18-26, 08034 Barcelona, Spain.
| | - Judith Desmet
- Environmental Chemistry Department, IDAEA -CSIC-, C/ Jordi Girona, 18-26, 08034 Barcelona, Spain
| | | | - Cinta Porte
- Environmental Chemistry Department, IDAEA -CSIC-, C/ Jordi Girona, 18-26, 08034 Barcelona, Spain
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7
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Bols NC, Lee LEJ, Dowd GC. Distinguishing between ante factum and post factum properties of animal cell lines and demonstrating their use in grouping ray-finned fish cell lines into invitromes. In Vitro Cell Dev Biol Anim 2023; 59:41-62. [PMID: 36719554 DOI: 10.1007/s11626-022-00744-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/05/2022] [Indexed: 02/01/2023]
Abstract
In this review, animal cell lines are considered to have two classes of attributes: "before-the-fact" (ante factum) and "after-the-fact" (post factum) properties. Fish cell lines from Actinopterygii (ray-finned fishes) are used to illustrate this distinction and to demonstrate how these properties can be used in various ways to categorize cell lines into groups or invitromes. Before-the-fact properties are set at initiation and are properties of the sample and species from which the cell line arose and of the scientist(s) who developed the cell line. On the basis of the Actinopterygii sample, invitromes exist for embryos, larvae, juveniles, adults, and spawning fish, and for most solid organs but rarely for biological fluids. For species, invitromes exist for only a small fraction of the Actinopterygii total. As to their development, scientists from around the world have contributed to invitromes. By contrast, after-the-fact properties are limitless and become apparent during development, characterization, use, and storage of the cell line. For ray-finned invitromes, cell lines appear to acquire immortality during development, are characterized poorly for differentiation potential, have numerous uses, and are stored formally only sporadically. As an example of applying these principles to a specific organ, the skeletal muscle invitrome is used. For ante factum properties, the cell lines are mainly from trunk muscle of economically important fish from 11 orders, 15 families, 19 genera, and 21 species of ray-finned fishes. For post factum properties, fibroblast-like and myogenic cell lines have been described but epithelial-like FHM is most widely used and curated. Considering cell lines by their before- and after-the-fact properties should facilitate integration of new cell lines into the literature and help incorporate the discipline of cell biology into other research areas, particularly the natural history of fishes.
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Affiliation(s)
- Niels C Bols
- Department of Biology, University of Waterloo, Waterloo, ON, N2L 3G1, Canada.
| | - Lucy E J Lee
- Faculty of Science, University of the Fraser Valley, Abbotsford, BC, V2S 7M8, Canada
| | - Georgina C Dowd
- The New Zealand Institute for Plant & Food Research Ltd, Nelson Research Centre, 293 Akersten Street, Nelson, 7010, New Zealand
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Alves RF, Rocha E, Madureira TV. Fish hepatocyte spheroids - A powerful (though underexplored) alternative in vitro model to study hepatotoxicity. Comp Biochem Physiol C Toxicol Pharmacol 2022; 262:109470. [PMID: 36122680 DOI: 10.1016/j.cbpc.2022.109470] [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: 05/04/2022] [Revised: 09/09/2022] [Accepted: 09/13/2022] [Indexed: 11/28/2022]
Abstract
In vitro fish cell cultures are considered alternative models to in vivo toxicological studies. The two-dimensional (2D) cultures have been used in toxicity testing, but those models have well-known drawbacks, namely in culture longevity and in the maintenance of some in vivo cellular functions. In this context, three-dimensional (3D) systems are now proposed to better mimic in vivo effects. The use of 3D cultures in fish is still limited (e.g., toxicity testing, drug biotransformation and bioaccumulation studies) compared to the number of studies with mammalian cells exploring the potential of these systems. In fish, the liver spheroids have been the most used 3D model, deriving from either liver cell lines or primary cultures of hepatocytes. Because the liver is the main organ for xenobiotic detoxification, hepatocyte spheroids represent a promising alternative to test concentration-responses to xenobiotics and explore mechanistic or ecotoxicological perspectives. Evidence shows that fish hepatocytes cultured in spheroids closely resemble the in vivo counterparts, additionally having higher basal metabolic capacity than hepatocytes cultured in monolayer. This graphical review is an updated critical sum-up of data published with 3D fish hepatocytes and provides background knowledge for the upcoming studies using this model. It further addresses the culture conditions for obtaining fish hepatocyte spheroids and discusses the main factors that can influence the biometry and functionality of spheroids over time in culture and the 2D versus 3D distinct metabolic capacities.
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Affiliation(s)
- Rodrigo F Alves
- Laboratory of Histology and Embryology, Department of Microscopy, ICBAS - Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal; Team of Histomorphology, Pathophysiology and Applied Toxicology, CIIMAR/CIMAR - Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal
| | - Eduardo Rocha
- Laboratory of Histology and Embryology, Department of Microscopy, ICBAS - Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal; Team of Histomorphology, Pathophysiology and Applied Toxicology, CIIMAR/CIMAR - Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal
| | - Tânia V Madureira
- Laboratory of Histology and Embryology, Department of Microscopy, ICBAS - Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal; Team of Histomorphology, Pathophysiology and Applied Toxicology, CIIMAR/CIMAR - Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal.
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9
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Pereira IL, Lopes C, Rocha E, Madureira TV. Establishing brown trout primary hepatocyte spheroids as a new alternative experimental model-Testing the effects of 5α-dihydrotestosterone on lipid pathways. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 253:106331. [PMID: 36327687 DOI: 10.1016/j.aquatox.2022.106331] [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: 07/06/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
Three-dimensional (3D) fish liver cultures mimic the in vivo cellular microenvironment, which is ideal for ecotoxicological research. Despite that, the application of these cultures to evaluate toxic effects in fish is scarce. A 3D model of brown trout (Salmo trutta f. fario) primary hepatocyte spheroids was optimized in this study by using DMEM/F-12 with 15 mM of HEPES, 10 mL/L of an antibiotic and antimycotic solution and FBS 10% (v/v), at 18 °C with ∼100 rpm. The selection of optimal conditions was based on a multiparametric characterization of the spheroids, including biometry, viability, microanatomy and immunohistochemistry. Biometric and morphologic stabilization of spheroids was reached within 12-16 days of culture. To our knowledge, this study is the first to culture and characterize viable spheroids from brown trout primary hepatocytes for over 30 days. Further, the 3D model was tested to explore the androgenic influences on lipidic target genes after 96 h exposures to control, solvent control, 10 and 100 µM of 5α-dihydrotestosterone (DHT), a non-aromatizable androgen. Spheroids exposed to 100 µM of DHT had decreased sphericity. DHT at 100 µM also significantly down-regulated Acox1-3I, PPARγ and fatty acid synthesis targets (i.e., ACC), and significantly up-regulated Fabp1. Acsl1 was significantly up-regulated after exposure to both 10 and 100 µM of DHT. The results support that DHT modulates distinct lipidic pathways in brown trout and show that this 3D model is a new valuable tool for physiological and toxicological mechanistic studies.
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Affiliation(s)
- Inês L Pereira
- Histomorphology, Physiopathology and Applied Toxicology Team, Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto (U.Porto), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal; Laboratory of Histology and Embryology, Department of Microscopy, School of Medicine and Biomedical Sciences (ICBAS), University of Porto (U.Porto), Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Célia Lopes
- Histomorphology, Physiopathology and Applied Toxicology Team, Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto (U.Porto), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal; Laboratory of Histology and Embryology, Department of Microscopy, School of Medicine and Biomedical Sciences (ICBAS), University of Porto (U.Porto), Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Eduardo Rocha
- Histomorphology, Physiopathology and Applied Toxicology Team, Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto (U.Porto), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal; Laboratory of Histology and Embryology, Department of Microscopy, School of Medicine and Biomedical Sciences (ICBAS), University of Porto (U.Porto), Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Tânia V Madureira
- Histomorphology, Physiopathology and Applied Toxicology Team, Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto (U.Porto), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal; Laboratory of Histology and Embryology, Department of Microscopy, School of Medicine and Biomedical Sciences (ICBAS), University of Porto (U.Porto), Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
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10
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Solan ME, Franco ME, Lavado R. Effects of perfluoroalkyl substances (PFASs) and benzo[a]pyrene (BaP) co-exposure on phase I biotransformation in rainbow trout (Oncorhynchus mykiss). FISH PHYSIOLOGY AND BIOCHEMISTRY 2022; 48:925-935. [PMID: 35752723 DOI: 10.1007/s10695-022-01093-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/19/2022] [Indexed: 06/15/2023]
Abstract
The presence of perfluoroalkyl substances (PFASs) in the environment, especially in aquatic ecosystems, continues to be a significant concern for human and environmental health. Previous studies have suggested that several PFASs do not undergo biotransformation due to their chemical stability, yet perfluorooctanesulfonic acid (PFOS)- and perfluorooctanoic acid (PFOA)-exposed organisms have presented altered activity of important biotransformation pathways. Given the fundamental role of biotransformation in biological organisms and the significant distribution of PFAS in aquatic environments, the present study investigated the influence of PFOA and PFOS on phase I biotransformation enzymes in vitro using the rainbow trout liver RTL-W1 cell line and in vivo using juvenile rainbow trout. Cells and fish were exposed and co-exposed to environmentally relevant concentrations of PFOA, PFOS, and benzo[a]pyrene (BaP), for 72 h and 10 days, respectively, prior to measurements of cytotoxicity and biotransformation ability through measurements of CYP1A1-, CYP1A2-, and CYP3A4-like activities. Our results indicate that exposure to PFAS-BaP binary mixtures altered CYP1A-like activity in vivo; however, those alterations were not observed in vitro. Similarly, while BaP did not significantly induce CYP3A4 in vivo, exposure to the PFAS led to significantly lower enzymatic activity relative to basal levels. These observations may have implications for organisms simultaneously exposed to PFASs and other environmental pollutants for which biotransformation is necessary, especially in detoxification mechanisms. Furthermore, the interference with biotransformation pathways could potentially predispose exposed organisms to a compromised physiology, which may increase their vulnerability to other stressors and erode their survival fitness.
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Affiliation(s)
- Megan E Solan
- Department of Environmental Science, Baylor University, One Bear Place #97266, Waco, TX, 76798, USA
| | - Marco E Franco
- Department of Environmental Science, Baylor University, One Bear Place #97266, Waco, TX, 76798, USA
| | - Ramon Lavado
- Department of Environmental Science, Baylor University, One Bear Place #97266, Waco, TX, 76798, USA.
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12
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Ma X, Sun J, Ye Y, Ji J, Sun X. Application of triple co-cultured cell spheroid model for exploring hepatotoxicity and metabolic pathway of AFB1. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 807:150840. [PMID: 34627904 DOI: 10.1016/j.scitotenv.2021.150840] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/25/2021] [Accepted: 10/03/2021] [Indexed: 06/13/2023]
Abstract
The toxicity evaluation suffers from the absence of suitable models capable of replicating in the co-cultured cell microenvironment and the function of specific tissues in vitro. Motivated by this urgent need, this study aimed to describe a novel three-dimensional (3D) liver spheroid model. The model consisted of a triple co-culture of HepG2, EA.hy 926, and LX-2. Subsequently, it was used for the toxicity evaluation of aflatoxin B1 (AFB1), and its advantages over the two-dimensional (2D) model and the mono-type cell spheroid model were assessed. This study examined the effects of AFB1 on cell viability, proliferation, mitochondria, oxidative stress, and cell membranes. The results revealed that AFB1 greatly affected 2D cell membranes and oxidative stress levels (0.01 μg/mL; 24 h), and could also significantly affect 2D cell viability, proliferation, and mitochondria levels (1 μg/mL; 24 h). On the contrary, 3D cells were less susceptible to AFB1. Combined with the analysis of gene expression, both metabolic activation (cytochrome P450; CYP450) and detoxification efficiency (drug-metabolizing enzymes) were found to be higher in 3D cells than in 2D cells. Moreover, 3D cells in triple co-culture outperformed mono-type cell spheroids. Therefore, the advanced 3D co-cultured spheroid model constructed in this study allowed us to more realistically simulate the microenvironment in vitro, and was a valuable and precise model to study mycotoxins.
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Affiliation(s)
- Xiaoying Ma
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Jiadi Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Yongli Ye
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Jian Ji
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Xiulan Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
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13
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Sea Bass Primary Cultures versus RTgill-W1 Cell Line: Influence of Cell Model on the Sensitivity to Nanoparticles. NANOMATERIALS 2021; 11:nano11113136. [PMID: 34835900 PMCID: PMC8620814 DOI: 10.3390/nano11113136] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/14/2021] [Accepted: 11/15/2021] [Indexed: 01/09/2023]
Abstract
Determination of acute toxicity to vertebrates in aquatic environments is mainly performed following OECD test guideline 203, requiring the use of a large number of fish and with mortality as endpoint. This test is also used to determine toxicity of nanomaterials in aquatic environments. Since a replacement method for animal testing in nanotoxicity studies is desirable, the feasibility of fish primary cultures or cell lines as a model for nanotoxicity screenings is investigated here. Dicentrarchus labrax primary cultures and RTgill-W1 cell line were exposed to several concentrations (0.1 to 200 ug/mL) of different nanoparticles (TiO2, polystyrene and silver), and cytotoxicity, metabolic activity and reactive oxygen species formation were investigated after 24 and 48 h of exposure. Protein corona as amount of protein bound, as well as the influence of surface modification (-COOH, -NH2), exposure media (Leibovitz’s L15 or seawater), weathering and cell type were the experimental variables included to test their influence on the results of the assays. Data from all scenarios was split based on the significance each experimental variable had in the result of the cytotoxicity tests, in an exploratory approach that allows for better understanding of the determining factors affecting toxicity. Data shows that more variables significantly influenced the outcome of toxicity tests when the primary cultures were exposed to the different nanoparticles. Toxicity tests performed in RTgill-W1 were influenced only by exposure time and nanoparticle concentration. The whole data set was integrated in a biological response index to show the overall impact of nanoparticle exposures.
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14
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de Souza IR, Canavez ADPM, Schuck DC, Gagosian VSC, de Souza IR, Vicari T, da Silva Trindade E, Cestari MM, Lorencini M, Leme DM. Development of 3D cultures of zebrafish liver and embryo cell lines: a comparison of different spheroid formation methods. ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:1893-1909. [PMID: 34379241 DOI: 10.1007/s10646-021-02459-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
Fish cell spheroids are promising 3D culture models for vertebrate replacement in ecotoxicology. However, new alternative ecotoxicological methods must be adapted for applications in industry and for regulatory purposes; such methods must be cost-effective, simple to manipulate and provide rapid results. Therefore, we compared the effectiveness of the traditional hanging drop (HD), orbital shaking (OS), and HD combined with OS (HD+OS) methods on the formation of zebrafish cell line spheroids (ZFL and ZEM2S). Time in HD (3-5 days) and different 96-well plates [flat-bottom or ultra-low attachment of round-bottom (ULA-plates)] in OS were evaluated. Easy handling, rapid spheroid formation, uniform-sized spheroids, and circularity were assessed to identify the best spheroid protocol. Traditional HD alone did not result in ZFL spheroid formation, whereas HD (5 days)+OS did. When using the OS, spheroids only formed on the ULA-plate. Both HD+OS and OS were reproducible in size (177.50 ± 2.81 µm and 225.62 ± 19.20 µm, respectively) and circularity (0.83 ± 0.02 and 0.80 ± 0.01, respectively) of ZFL spheroids. Nevertheless, HD+OS required a considerable time to completely form spheroids (10 days) and intensive handling, whereas the OS was fast (5 days of incubation) and simple. OS also yielded reproducible ZEM2S spheroids in 1 day (226.23 ± 0.57 µm diameter and 0.80 ± 0.01 circularity). In conclusion, OS in ULA-plate is an effective and simple spheroid protocol for high-throughput ecotoxicity testing. This study contributes to identify a fast, reproducible, and simple protocol of single piscine spheroid formation in 96-well plates and supports the application of fish 3D model in industry and academia.
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Affiliation(s)
| | | | | | | | | | - Taynah Vicari
- Graduate Program in Genetics, Department of Genetics, Federal University of Paraná (UFPR), Paraná, Brazil
| | | | | | - Marcio Lorencini
- Grupo Boticário, R&D Department, São José dos Pinhais, Paraná, Brazil
| | - Daniela Morais Leme
- Department of Genetics, Federal University of Paraná (UFPR), Paraná, Brazil.
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15
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Faber MN, Sojan JM, Saraiva M, van West P, Secombes CJ. Development of a 3D spheroid cell culture system from fish cell lines for in vitro infection studies: Evaluation with Saprolegnia parasitica. JOURNAL OF FISH DISEASES 2021; 44:701-710. [PMID: 33434302 DOI: 10.1111/jfd.13331] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 06/12/2023]
Abstract
Understanding the ways in which pathogens infect host cells is essential to improve and develop new treatment strategies. This study aimed to generate a novel in vitro infection model by establishing a reproducible 3D spheroid cell culture system that may lead to a reduced need for animals in fish disease research. 2D models (commonly cell lines) cannot replicate many key conditions of in vivo infections, but 3D spheroids have the potential to provide bridging technology between in vivo and in vitro systems. 3D spheroids were generated using cells from rainbow trout (Oncorhynchus mykiss) cell lines, RTG-2 and RTS-11. The RTG-2 spheroids were tested for their potential to be infected upon exposure to Saprolegnia parasitica spores. Positive infiltration of mycelia into the spheroids was verified by confocal microscopy. As a closer analogue of in vivo conditions encountered during infection, the straightforward model developed in this study shows promise as an additional tool that can be used to further our understanding of host-pathogen interactions for Saprolegnia and possibly a variety of other fish pathogens.
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Affiliation(s)
- Marc N Faber
- Scottish Fish Immunology Research Centre, School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Jerry M Sojan
- Scottish Fish Immunology Research Centre, School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Marcia Saraiva
- Aberdeen Oomycete Laboratory, School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Aberdeen, UK
| | - Pieter van West
- Aberdeen Oomycete Laboratory, School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Aberdeen, UK
| | - Christopher J Secombes
- Scottish Fish Immunology Research Centre, School of Biological Sciences, University of Aberdeen, Aberdeen, UK
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16
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Sharin T, Gyasi H, Jones SP, Crump D, O'Brien JM. Concentration- and time-dependent induction of Cyp1a and DNA damage response by benzo(a)pyrene in LMH three-dimensional spheroids. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2021; 62:319-327. [PMID: 33956355 DOI: 10.1002/em.22433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/29/2021] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
In vitro liver toxicity tests performed using cell lines cultured as two-dimensional (2D) monolayer have limited CYP450 activity and may be inadequate for screening chemicals that require activation to exert toxicity. Metabolic competence is greatly improved using three-dimensional (3D) cell culture. In this study, Cyp1a induction, and subsequent DNA damage response induced by benzo(a)pyrene (BaP) were compared in 2D monolayer cells and 3D spheroids of the chicken hepatic cell line, LMH. Cells were exposed to BaP (0.1-100 μM) for different durations: 8, 24, 35, or 48 hr. Cyp1a activity, mRNA expression of Cyp1a and DNA damage response (DDR) genes, and phosphorylation of H2AX (γH2AX) were determined using the EROD assay, a customized PCR array, and flow cytometry, respectively. EROD activity was induced at 8 hr and achieved maximal induction at 24 hr in spheroids; earlier time points than for monolayer cells. In spheroids, BaP exposure resulted in a concentration-dependent increase in Cyp1a4 mRNA expression at 8 hr followed by upregulation of DDR genes at 24 hr, whereas Cyp1a4 mRNA induction was only observed at 48 hr in monolayer cells. Cyp1a5 mRNA was induced at 8 hr in monolayer cells but maximum induction was greater in spheroids. An increase in γH2AX was observed at 24 hr in spheroids; this endpoint was not evaluated in monolayer cells. These results suggest that BaP metabolism precedes the DNA damage response and occurs earlier in 3D spheroids. This study demonstrates that LMH 3D spheroids could be a suitable metabolically-competent in vitro model to measure genotoxicity of chemicals that require metabolic activation by Cyp1a.
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Affiliation(s)
- Tasnia Sharin
- Environment and Climate Change Canada, National Wildlife Research Centre, Ottawa, Ontario, Canada
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Helina Gyasi
- Environment and Climate Change Canada, National Wildlife Research Centre, Ottawa, Ontario, Canada
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Stephanie P Jones
- Environment and Climate Change Canada, National Wildlife Research Centre, Ottawa, Ontario, Canada
| | - Doug Crump
- Environment and Climate Change Canada, National Wildlife Research Centre, Ottawa, Ontario, Canada
| | - Jason M O'Brien
- Environment and Climate Change Canada, National Wildlife Research Centre, Ottawa, Ontario, Canada
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17
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Seibel H, Baßmann B, Rebl A. Blood Will Tell: What Hematological Analyses Can Reveal About Fish Welfare. Front Vet Sci 2021; 8:616955. [PMID: 33860003 PMCID: PMC8042153 DOI: 10.3389/fvets.2021.616955] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/10/2021] [Indexed: 01/11/2023] Open
Abstract
Blood analyses provide substantial information about the physiological aspects of animal welfare assessment, including the activation status of the neuroendocrine and immune system, acute and long-term impacts due to adverse husbandry conditions, potential diseases, and genetic predispositions. However, fish blood is still not routinely analyzed in research or aquaculture for the assessment of health and/or welfare. Over the years, the investigative techniques have evolved from antibody-based or PCR-based single-parameter analyses to now include transcriptomic, metabolomic, and proteomic approaches and from hematological observations to fluorescence-activated blood cell sorting in high-throughput modes. The range of testing techniques established for blood is now broader than for any other biogenic test material. Evaluation of the particular characteristics of fish blood, such as its cell composition, the nucleation of distinct blood cells, or the multiple isoforms of certain immune factors, requires adapted protocols and careful attention to the experimental designs and interpretation of the data. Analyses of fish blood can provide an integrated picture of the endocrine, immunological, reproductive, and genetic functions under defined environmental conditions and treatments. Therefore, the scarcity of high-throughput approaches using fish blood as a test material for fish physiology studies is surprising. This review summarizes the wide range of techniques that allow monitoring of informative fish blood parameters that are modulated by different stressors, conditions, and/or treatments. We provide a compact overview of several simple plasma tests and of multiparametric analyses of fish blood, and we discuss their potential use in the assessment of fish welfare and pathologies.
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Affiliation(s)
- Henrike Seibel
- Institute of Animal Breeding and Husbandry, Christian-Albrechts-University, Kiel, Germany
- Gesellschaft für Marine Aquakultur mbH (GMA), Büsum, Germany
| | - Björn Baßmann
- Department of Aquaculture and Sea-Ranching, Faculty of Agricultural and Environmental Science, University of Rostock, Rostock, Germany
| | - Alexander Rebl
- Institute of Genome Biology, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
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18
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Baquerre C, Montillet G, Pain B. Liver organoids in domestic animals: an expected promise for metabolic studies. Vet Res 2021; 52:47. [PMID: 33736676 PMCID: PMC7977275 DOI: 10.1186/s13567-021-00916-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 02/24/2021] [Indexed: 12/15/2022] Open
Abstract
The liver is one of the most important organs, both in terms of the different metabolic processes (energy, lipid, ferric, uric, etc.) and of its central role in the processes of detoxification of substances of food origin or noxious substances (alcohol, drugs, antibiotics, etc.). The development of a relevant model that reproduces some of the functions of this tissue has become a challenge, in particular for human medicine. Thus, in recent years, most studies aimed at producing hepatocytes in vitro with the goal of developing hepatic 3D structures have been carried out in the human model. However, the tools and protocols developed using this unique model can also be considered to address physiological questions specific to this tissue in other species, such as the pig, chicken, and duck. Different strategies are presently being considered to carry out in vitro studies of the hepatic metabolism of these agronomic species.
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Affiliation(s)
- Camille Baquerre
- Univ Lyon, Université Lyon 1, INSERM, INRAE, Stem Cell and Brain Research Institute, U1208, USC1361, 69500, Bron, France
| | - Guillaume Montillet
- Univ Lyon, Université Lyon 1, INSERM, INRAE, Stem Cell and Brain Research Institute, U1208, USC1361, 69500, Bron, France
| | - Bertrand Pain
- Univ Lyon, Université Lyon 1, INSERM, INRAE, Stem Cell and Brain Research Institute, U1208, USC1361, 69500, Bron, France.
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19
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Sharin T, Crump D, O'Brien JM. Evaluation of the Aryl Hydrocarbon Receptor Response in LMH 3D Spheroids. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2020; 39:1693-1701. [PMID: 32452045 DOI: 10.1002/etc.4783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/27/2020] [Accepted: 05/20/2020] [Indexed: 06/11/2023]
Abstract
In the present study, we investigated whether the immortalized chicken hepatocellular carcinoma cell line, leghorn male hepatoma (LMH), had a comparable aryl hydrocarbon receptor (AhR) response to primary chicken embryonic hepatocytes (CEHs) when used in a well-established assay for chemical screening and prioritization. The LMH cells were grown as 2-dimensional (2D) confluent cells and 3D spheroids to determine the optimal cell culture states for chemical screening. Cytochrome P450 1A4 and 1A5 (CYP1A) activity and gene expression were compared between CEHs and LMH cells grown in 2 culture states following exposure to the dioxin-like compound 3,3',4,4',5-pentachlorobiphenyl (PCB-126). The CYP1A activity was measured using the ethoxyresorufin-O-deethylase (EROD) assay, and changes in mRNA expression associated with the AhR pathway were determined using a custom-designed polymerase chain reaction array. Among LMH cell culture states (i.e., 2D vs 3D), EROD induction was observed only in 3D LMH spheroids. Similarly, 3D spheroids had the greatest number of changes in AhR-related genes compared with confluent cells. Overall, these results suggest that LMH cells grown as 3D spheroids have a metabolic and gene expression profile that is comparable to that of CEH, and may represent a suitable animal-free alternative for in vitro screening of chemicals. Environ Toxicol Chem 2020;39:1693-1701. © 2020 SETAC.
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MESH Headings
- Animals
- Aryl Hydrocarbon Hydroxylases/genetics
- Aryl Hydrocarbon Hydroxylases/metabolism
- Avian Proteins/genetics
- Avian Proteins/metabolism
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/pathology
- Cell Death/drug effects
- Cell Line, Tumor
- Cell Shape/drug effects
- Cell Survival/drug effects
- Chickens/metabolism
- Cytochrome P-450 CYP1A1/metabolism
- Gene Expression Regulation, Neoplastic/drug effects
- Hepatocytes/drug effects
- Hepatocytes/metabolism
- Liver Neoplasms/genetics
- Liver Neoplasms/metabolism
- Liver Neoplasms/pathology
- Male
- Polychlorinated Biphenyls/metabolism
- Polychlorinated Biphenyls/toxicity
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Receptors, Aryl Hydrocarbon/metabolism
- Spheroids, Cellular/metabolism
- Spheroids, Cellular/pathology
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Affiliation(s)
- Tasnia Sharin
- National Wildlife Research Centre, Environment and Climate Change Canada, Ottawa, Ontario, Canada
- Centre for Advanced Research in Environmental Genomics, Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Doug Crump
- National Wildlife Research Centre, Environment and Climate Change Canada, Ottawa, Ontario, Canada
| | - Jason M O'Brien
- National Wildlife Research Centre, Environment and Climate Change Canada, Ottawa, Ontario, Canada
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20
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Katagi T. In vitro metabolism of pesticides and industrial chemicals in fish. JOURNAL OF PESTICIDE SCIENCE 2020; 45:1-15. [PMID: 32110158 PMCID: PMC7024743 DOI: 10.1584/jpestics.d19-074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 12/19/2019] [Indexed: 06/10/2023]
Abstract
Metabolism is one of the most important factors in controlling the toxicity and bioaccumulation of pesticides in fish. In vitro systems using subcellular fractions, cell lines, hepatocytes and tissues of a specific organ, each of which is characterized by usability, enzyme activity and chemical transport via membrane, have been applied to investigate the metabolic profiles of pesticides. Not only species and organs but also the fishkeeping conditions are known to greatly affect the in vitro metabolism of pesticides. A comparison of the metabolic profiles of pesticides and industrial chemicals taken under similar conditions has shown that in vitro systems using a subcellular S9 fraction and hepatocytes qualitatively reproduce many in vivo metabolic reactions. More investigation of these in vitro systems for pesticides is necessary to verify their applicability to the estimation of pesticide metabolism in fish.
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Affiliation(s)
- Toshiyuki Katagi
- Bioscience Research Laboratory, Sumitomo Chemical Co., Ltd., 3–1–98 Kasugadenaka, Konohana-ku, Osaka 554–8558, Japan
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21
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Trujillo-de Santiago G, Flores-Garza BG, Tavares-Negrete JA, Lara-Mayorga IM, González-Gamboa I, Zhang YS, Rojas-Martínez A, Ortiz-López R, Álvarez MM. The Tumor-on-Chip: Recent Advances in the Development of Microfluidic Systems to Recapitulate the Physiology of Solid Tumors. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2945. [PMID: 31514390 PMCID: PMC6766252 DOI: 10.3390/ma12182945] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 09/03/2019] [Accepted: 09/04/2019] [Indexed: 12/29/2022]
Abstract
The ideal in vitro recreation of the micro-tumor niche-although much needed for a better understanding of cancer etiology and development of better anticancer therapies-is highly challenging. Tumors are complex three-dimensional (3D) tissues that establish a dynamic cross-talk with the surrounding tissues through complex chemical signaling. An extensive body of experimental evidence has established that 3D culture systems more closely recapitulate the architecture and the physiology of human solid tumors when compared with traditional 2D systems. Moreover, conventional 3D culture systems fail to recreate the dynamics of the tumor niche. Tumor-on-chip systems, which are microfluidic devices that aim to recreate relevant features of the tumor physiology, have recently emerged as powerful tools in cancer research. In tumor-on-chip systems, the use of microfluidics adds another dimension of physiological mimicry by allowing a continuous feed of nutrients (and pharmaceutical compounds). Here, we discuss recently published literature related to the culture of solid tumor-like tissues in microfluidic systems (tumor-on-chip devices). Our aim is to provide the readers with an overview of the state of the art on this particular theme and to illustrate the toolbox available today for engineering tumor-like structures (and their environments) in microfluidic devices. The suitability of tumor-on-chip devices is increasing in many areas of cancer research, including the study of the physiology of solid tumors, the screening of novel anticancer pharmaceutical compounds before resourcing to animal models, and the development of personalized treatments. In the years to come, additive manufacturing (3D bioprinting and 3D printing), computational fluid dynamics, and medium- to high-throughput omics will become powerful enablers of a new wave of more sophisticated and effective tumor-on-chip devices.
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Affiliation(s)
- Grissel Trujillo-de Santiago
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey, Nuevo León CP 64849, Mexico.
- Departamento de Ingeniería Mecátrónica y Eléctrica, Tecnologico de Monterrey, Monterrey, Nuevo León CP 64849, Mexico.
| | | | | | - Itzel Montserrat Lara-Mayorga
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey, Nuevo León CP 64849, Mexico
- Departamento de Ingeniería Mecátrónica y Eléctrica, Tecnologico de Monterrey, Monterrey, Nuevo León CP 64849, Mexico
| | - Ivonne González-Gamboa
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey, Nuevo León CP 64849, Mexico
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Augusto Rojas-Martínez
- Centro de Investigación y Transferencia en Salud, Hospital San José, Tecnologico de Monterrey, Monterrey, Nuevo León CP 64849, Mexico
| | - Rocío Ortiz-López
- Centro de Investigación y Transferencia en Salud, Hospital San José, Tecnologico de Monterrey, Monterrey, Nuevo León CP 64849, Mexico
| | - Mario Moisés Álvarez
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey, Nuevo León CP 64849, Mexico.
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22
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Hultman MT, Løken KB, Grung M, Reid MJ, Lillicrap A. Performance of Three-Dimensional Rainbow Trout (Oncorhynchus mykiss) Hepatocyte Spheroids for Evaluating Biotransformation of Pyrene. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2019; 38:1738-1747. [PMID: 31100187 DOI: 10.1002/etc.4476] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 03/20/2019] [Accepted: 05/14/2019] [Indexed: 06/09/2023]
Abstract
The aquatic bioconcentration of a chemical is typically determined using conventional fish tests. To foster the approach of alternatives to animal testing, a combination of computational models and in vitro substrate depletion bioassays (e.g., primary hepatocytes) can be used. One recently developed in vitro assay is the three-dimensional (3D) hepatic spheroid model from rainbow trout (Oncorhynchus mykiss). The aim of the present study was to evaluate the metabolic competence of the 3D spheroids from rainbow trout when exposed to pyrene, using 2 different sampling procedures (SP1 and SP2). The results were compared with previously published intrinsic clearance (CL) results from S9 fractions and primary hepatocyte assays. Extraction of pyrene using SP1 suggested that the spheroids had depleted 33% of the pyrene within 4 h of exposure, reducing to 91% after 30 h. However, when applying SP2 a substantial amount (36%) of the pyrene was bound to the exposure vial within 2 h, decreasing after 6 h of exposure. Formation of hydroxypyrene-glucuronide (OH-PYR-Glu) was obtained throughout the study, displaying the metabolic competence of the 3D spheroids. The 2 sampling procedures yielded different CLin vitro , where pyrene depletion using SP2 was very similar to published studies using primary hepatocytes. The 3D spheroids demonstrated reproducibile, log-linear biotransformation of pyrene and displayed formation of OH-PYR-Glu, indicating their metabolic competence for 30 h or more. Environ Toxicol Chem 2019;38:1738-1747. © 2019 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals, Inc. on behalf of SETAC.
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Affiliation(s)
| | | | - Merete Grung
- Norwegian Institute for Water Research, Oslo, Norway
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