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Verma SK, Nandi A, Sinha A, Patel P, Mohanty S, Jha E, Jena S, Kumari P, Ghosh A, Jerman I, Chouhan RS, Dutt A, Samal SK, Mishra YK, Varma RS, Panda PK, Kaushik NK, Singh D, Suar M. The posterity of Zebrafish in paradigm of in vivo molecular toxicological profiling. Biomed Pharmacother 2024; 171:116160. [PMID: 38237351 DOI: 10.1016/j.biopha.2024.116160] [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: 10/04/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 02/08/2024] Open
Abstract
The aggrandised advancement in utility of advanced day-to-day materials and nanomaterials has raised serious concern on their biocompatibility with human and other biotic members. In last few decades, understanding of toxicity of these materials has been given the centre stage of research using many in vitro and in vivo models. Zebrafish (Danio rerio), a freshwater fish and a member of the minnow family has garnered much attention due to its distinct features, which make it an important and frequently used animal model in various fields of embryology and toxicological studies. Given that fertilization and development of zebrafish eggs take place externally, they serve as an excellent model organism for studying early developmental stages. Moreover, zebrafish possess a comparable genetic composition to humans and share almost 70% of their genes with mammals. This particular model organism has become increasingly popular, especially for developmental research. Moreover, it serves as a link between in vitro studies and in vivo analysis in mammals. It is an appealing choice for vertebrate research, when employing high-throughput methods, due to their small size, swift development, and relatively affordable laboratory setup. This small vertebrate has enhanced comprehension of pathobiology and drug toxicity. This review emphasizes on the recent developments in toxicity screening and assays, and the new insights gained about the toxicity of drugs through these assays. Specifically, the cardio, neural, and, hepatic toxicology studies inferred by applications of nanoparticles have been highlighted.
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Affiliation(s)
- Suresh K Verma
- School of Biotechnology, KIIT University, Bhubaneswar, India.
| | - Aditya Nandi
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Adrija Sinha
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Paritosh Patel
- School of Biotechnology, KIIT University, Bhubaneswar, India; Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897, Seoul, South Korea
| | | | - Ealisha Jha
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Snehasmita Jena
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Puja Kumari
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, Brno 61137, Czech Republic
| | - Aishee Ghosh
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Ivan Jerman
- National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
| | - Raghuraj Singh Chouhan
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
| | - Ateet Dutt
- Instituto de Investigaciones en Materiales, UNAM, CDMX, Mexico
| | - Shailesh Kumar Samal
- Unit of Immunology and Chronic Disease, Institute of Environmental Medicine, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Yogendra Kumar Mishra
- Mads Clausen Institute, NanoSYD, University of Southern Denmark, Alsion 2, Sønderborg DK-6400, Denmark
| | - Rajender S Varma
- Institute for Nanomaterials, Advanced Technologies and Innovation (CxI), Technical University of Liberec (TUL), Studentská 1402/2, Liberec 1 461 17, Czech Republic
| | - Pritam Kumar Panda
- Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897, Seoul, South Korea.
| | - Deobrat Singh
- Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden.
| | - Mrutyunjay Suar
- School of Biotechnology, KIIT University, Bhubaneswar, India.
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Chelcea I, Vogs C, Hamers T, Koekkoek J, Legradi J, Sapounidou M, Örn S, Andersson PL. Physiology-informed toxicokinetic model for the zebrafish embryo test developed for bisphenols. CHEMOSPHERE 2023; 345:140399. [PMID: 37839743 DOI: 10.1016/j.chemosphere.2023.140399] [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: 05/04/2023] [Revised: 07/26/2023] [Accepted: 10/08/2023] [Indexed: 10/17/2023]
Abstract
Zebrafish embryos (ZFE) is a widely used model organism, employed in various research fields including toxicology to assess e.g., developmental toxicity and endocrine disruption. Variation in effects between chemicals are difficult to compare using nominal dose as toxicokinetic properties may vary. Toxicokinetic (TK) modeling is a means to estimate internal exposure concentration or dose at target and to enable extrapolation between experimental conditions and species, thereby improving hazard assessment of potential pollutants. In this study we advance currently existing TK models for ZFE with physiological ZFE parameters and novel experimental bisphenol data, a class of chemicals with suspected endocrine activity. We developed a five-compartment model consisting of water, plastic, chorion, yolk sack and embryo in which surface area and volume changes as well as the processes of biotransformation and blood circulation influence mass fluxes. For model training and validation, we measured internal concentrations in ZFE exposed individually to BPA, bisphenol AF (BPAF) and Z (BPZ). Bayesian inference was applied for parameter calibration based on the training data set of BPZ. The calibrated TK model predicted internal ZFE concentrations of the majority of external test data within a 5-fold error and half of the data within a 2-fold error for bisphenols A, AF, F, and tetrabromo bisphenol A (TBBPA). We used the developed model to rank the hazard of seven bisphenols based on predicted internal concentrations and measured in vitro estrogenicity. This ranking indicated a higher hazard for BPAF, BPZ, bisphenol B and C (BPB, BPC) than for BPA.
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Affiliation(s)
- Ioana Chelcea
- Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden
| | - Carolina Vogs
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7028, SE-75007, Uppsala, Sweden; Institute of Environmental Medicine, Karolinska Institutet, SE-171 65, Solna, Sweden
| | - Timo Hamers
- Amsterdam Institute for Life and Environment (A-LIFE), Vrije Universiteit Amsterdam, 1081, HV Amsterdam, the Netherlands
| | - Jacco Koekkoek
- Amsterdam Institute for Life and Environment (A-LIFE), Vrije Universiteit Amsterdam, 1081, HV Amsterdam, the Netherlands
| | - Jessica Legradi
- Amsterdam Institute for Life and Environment (A-LIFE), Vrije Universiteit Amsterdam, 1081, HV Amsterdam, the Netherlands
| | - Maria Sapounidou
- Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden
| | - Stefan Örn
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7028, SE-75007, Uppsala, Sweden
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Mathiron AGE, Rejo L, Chapeau F, Malgouyres JM, Silvestre F, Vignet C. Tools for photomotor response assay standardization in ecotoxicological studies: Example of exposure to gentamicin in the freshwater planaria Schmidtea mediterranea. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 102:104242. [PMID: 37573897 DOI: 10.1016/j.etap.2023.104242] [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: 03/11/2023] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 08/15/2023]
Abstract
Photomotor response assay (PMR) is very useful in an ecotoxicological context because it allows evaluation of behavioral response to potential toxic compounds. However, a lack of procedure standardization makes results comparison difficult between labs and organisms. Here, we aimed to propose five different tools to standardize the PMR procedure so that it may be applied to all model species, regarding: (1) the minimum total sample size, (2) the acclimation period, (3) the number and duration of light and dark phases alternation, (4) the measured behavior, and (5) the statistical analysis. As an example of procedure application, we analyzed the effect of an exposure to the antibiotic gentamicin on the locomotion behavior during PMR in an invertebrate species: the asexual freshwater planaria Schmidtea mediterranea. We encourage future studies using PMR to follow these five tools to improve data analysis and results comparability.
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Affiliation(s)
- Anthony G E Mathiron
- Laboratory of Evolutionary and Adaptive Physiology, University of Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; Institute of Life, Earth, and Environment (ILEE), University of Namur, Rue de Bruxelles 61, 5000 Namur, Belgium.
| | - Lucia Rejo
- Biochimie et Toxicologie des Substances Bioactives (BTSB), EA7417, INU Champollion, Place de Verdun, 81000 Albi, France
| | - Florian Chapeau
- Biochimie et Toxicologie des Substances Bioactives (BTSB), EA7417, INU Champollion, Place de Verdun, 81000 Albi, France
| | - Jean-Michel Malgouyres
- Biochimie et Toxicologie des Substances Bioactives (BTSB), EA7417, INU Champollion, Place de Verdun, 81000 Albi, France
| | - Frédéric Silvestre
- Laboratory of Evolutionary and Adaptive Physiology, University of Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; Institute of Life, Earth, and Environment (ILEE), University of Namur, Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Caroline Vignet
- Biochimie et Toxicologie des Substances Bioactives (BTSB), EA7417, INU Champollion, Place de Verdun, 81000 Albi, France
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Polygoni multiflori radix exacerbates idiosyncratic inflammatory liver injury through the FXR-SHP pathway and altered pharmacokinetic behavior. Biomed Pharmacother 2023; 160:114233. [PMID: 36758317 DOI: 10.1016/j.biopha.2023.114233] [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: 10/26/2022] [Revised: 01/05/2023] [Accepted: 01/08/2023] [Indexed: 02/10/2023] Open
Abstract
Polygoni multiflori radix (PM) is a well-known tonic herb. It has been reported that PM could cause idiosyncratic inflammatory liver injury in some individuals. In this study, we investigated the mechanism of PM-induced idiosyncratic inflammatory liver injury in zebrafish and rat models based on pharmacodynamics and pharmacokinetics. The zebrafish were administered with polygoni multiflori radix extract (PME), emodin (EMO), and 2,3,5,4'-tetrahydroxystilbene-2-Ο-β-D-glucoside (TSG) after lipopolysaccharide (LPS) treatment, to establish an idiosyncratic inflammation model. In zebrafish with idiosyncratic inflammation, PME, EMO, and TSG decreased liver area and brightness and increased the number of immune cells around the colliculi. PME+LPS produced hepatocyte damage, aggravated mitochondrial and endoplasmic reticulum damage, and increased AST and ALT activity. RT-PCR showed that PME and EMO up-regulated the expression of IL-6, IL-1β, and INF-γ, and PME down-regulated expression of FXR and SHP. In rats with idiosyncratic inflammation, AST and ALT activities increased significantly, and liver tissues showed pathological damage. An efficient and sensitive LC-MS/MS method was established for the pharmacokinetic study of EMO and TSG in rats with idiosyncratic inflammation. The AUC0-t was higher for EMO and TSG in the model group compared with the normal group. The MRT0-t was significantly prolonged in EMO, while CLz/F was significantly reduced. The present results suggested that the absorption of potentially toxic components of PM increased and metabolism slowed down under inflammatory stress, and PM induced idiosyncratic liver injury via the FXR-SHP axis.
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Billat PA, Vogs C, Blassiau C, Brochot C, Wincent E, Brion F, Beaudouin R. PBTK modeled perfluoroalkyl acid kinetics in zebrafish eleutheroembryos suggests impacts on bioconcentrations by chorion porosity dynamics. Toxicol In Vitro 2023; 89:105588. [PMID: 36958675 DOI: 10.1016/j.tiv.2023.105588] [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: 01/02/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 03/25/2023]
Abstract
The zebrafish eleutheroembryo (zfe) is widely used as a model to characterize the toxicity of chemicals. However, analytical methods are still missing to measure organ concentrations. Therefore, physiologically-based toxicokinetic (PBTK) modeling may overcome current limitations to help understand the relationship between toxic effects and internal exposure in various organs. A previous PBTK model has been updated to include the chorionic transport barrier and its permeabilization, hatching dynamics within a zfe population over development, and active mediated transport mechanisms. The zfe PBTK model has been calibrated using measured time-dependent internal concentrations of PFBA, PFHxS, PFOA, and PFOS in a zfe population and evaluated using external datasets from the literature. Calibration was successful with 96% of the predictions falling within a 2-fold range of the observed concentrations. The external dataset was correctly estimated with about 50% of the predictions falling within a factor of 3 of the observed data and 10% of the predictions are out of the 10-fold error. The calibrated model suggested that active mediated transport differs between PFAS with a sulfonic and carboxylic acid functional end groups. This PBTK model predicts well the fate of PFAS with various physicochemical properties in zfe. Therefore, this model may improve the use of zfe as an alternative model in toxicokinetic-toxicodynamic studies and help to refine and reduce zfe-based experiments, while giving insights into the internal kinetics of chemicals.
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Affiliation(s)
- Pierre-André Billat
- INERIS, Experimental toxicology and modeling unit (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Carolina Vogs
- Department of Biomedical Science and Veterinary Public Health, Swedish University of Agricultural Science (SLU), Uppsala, Sweden; Institute of Environmental Medicine, Karolinska Institutet (KI), Stockholm, Sweden
| | - Clément Blassiau
- INERIS, Experimental toxicology and modeling unit (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Céline Brochot
- INERIS, Experimental toxicology and modeling unit (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Emma Wincent
- Institute of Environmental Medicine, Karolinska Institutet (KI), Stockholm, Sweden
| | - François Brion
- INERIS, Ecotoxicology of substances and environments unit (ESMI), Parc ALATA BP2, Verneuil en Halatte, France; UMR-I 02 SEBIO, Parc ALATA BP2, Verneuil en Halatte, INERIS, France
| | - Rémy Beaudouin
- INERIS, Experimental toxicology and modeling unit (TEAM), Parc ALATA BP2, Verneuil en Halatte, France; UMR-I 02 SEBIO, Parc ALATA BP2, Verneuil en Halatte, INERIS, France.
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Mendoza G, Afolalu AA, Lertpiriyapong K, Lipman NS, Lieggi C. Evaluation of Media Conductivity and a Combination of Iodine and Sodium Hypochlorite Surface Disinfection on Zebrafish ( Danio rerio) Embryo Viability and Morphology. Zebrafish 2022; 19:190-199. [PMID: 36206234 PMCID: PMC9595623 DOI: 10.1089/zeb.2022.0028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Embryo surface disinfection in either an iodine or sodium hypochlorite (NaOCl) solution is commonly performed on imported zebrafish embryos to decrease pathogen introduction into a facility. The impact of the consecutive use of these disinfectants and the conductivity of the culture media on embryo survival and development post-disinfection have not been evaluated. Iodine (12.5-25 ppm) is effective at eliminating several Mycobacterium species, whereas NaOCl (50-100 ppm) reduces the number of viable Pseudoloma neurophilia spores. Casper and T5D (tropical 5D wild type) embryos reared in media of differing conductivities (0-10, 100-200, 750-950, and 1500-2000 μS) with and without exposure to NaOCl 100 ppm at 6 h post-fertilization were evaluated for survival, hatching success, and morphological defects at 5 days post-fertilization. Additionally, the consecutive use of iodine (12.5 ppm for 2 min) followed by NaOCl (75 or 100 ppm for 10 min), as well as the inverse, was evaluated. Embryo survival was not impacted by embryo rearing media alone; however, survival significantly decreased when embryos were disinfected with 100 ppm NaOCl in media with a conductivity >750-950 μS. Iodine (12 ppm) and NaOCl (75 ppm) used sequentially resulted in >50% survival, whereas the use of 100 ppm NaOCl resulted in high levels of embryo mortality.
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Affiliation(s)
- Gerardo Mendoza
- Tri-Institutional Training Program in Laboratory Animal Medicine and Science, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York, USA
- Center of Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine, New York, New York, USA
| | - Adedeji A. Afolalu
- Tri-Institutional Training Program in Laboratory Animal Medicine and Science, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York, USA
- Center of Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine, New York, New York, USA
| | - Kvin Lertpiriyapong
- Tri-Institutional Training Program in Laboratory Animal Medicine and Science, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York, USA
- Center of Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine, New York, New York, USA
| | - Neil S. Lipman
- Tri-Institutional Training Program in Laboratory Animal Medicine and Science, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York, USA
- Center of Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine, New York, New York, USA
| | - Christine Lieggi
- Tri-Institutional Training Program in Laboratory Animal Medicine and Science, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York, USA
- Center of Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine, New York, New York, USA
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Pachoensuk T, Fukuyo T, Rezanujjaman M, Wanlada K, Yamamoto C, Maeno A, Rahaman MM, Ali MH, Tokumoto T. Zebrafish stm is involved in the development of otoliths and of the fertilization envelope. REPRODUCTION AND FERTILITY 2022; 2:7-16. [PMID: 35128429 PMCID: PMC8812434 DOI: 10.1530/raf-20-0040] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 01/19/2021] [Indexed: 01/20/2023] Open
Abstract
Using an in vivo assay, we selected 11 genes that were highly upregulated during the induction of ovulation in zebrafish using microarray analysis and RNA sequencing. The starmaker gene (stm) was one of these genes. Although stm has been previously reported to be involved in otolith formation during the early development of zebrafish, we detected its expression in eggs and showed that stm was related to fertilization by establishing an stm gene knockout strain using the CRISPR/Cas9 system. Further phenotypic analysis of stm knockout fish was conducted in this study. With a higher nonfertilization rate, the stm mutant strain showed an extremely low survival rate. Otoliths of stm homozygous mutant zebrafish showed abnormal morphology in embryos and adult fish. However, fish did not show any abnormalities in swimming behaviour in either embryos or adults. Stm proteins were detected on the chorion of ovulated eggs before spawning. Fibre-supported knob-like structures on the fertilization envelope (FE) also showed abnormal structures in stm mutants. The Stm protein is necessary for otolith formation, and a lack of Stm causes abnormal otolith formation. The partial defect of otolith formation does not cause defects in swimming behaviour. The Stm protein is expressed in the chorion and is responsible for the formation of fibre-supported knob-like structures on the FE. It was suggested that a lack of Stm caused a lower fertilization rate due to inadequate formation of the FE. Lay summary In zebrafish, the protein Starmaker (Stm) was identified as having a role in ovulation. Stm is also known to be required for the formation of ear stones (otoliths) which are needed to keep the body in balance. Zebrafish lacking Stm were produced by genome editing. As expected, Stm-deficient fish formed abnormal otoliths. To investigate the role of Stm in ovulation, fertilization and early development, we tried mating of Stm mutants and observed their juveniles. Although no problem found in ovulation, we found low fertilization rate and abnormal structure of knob-like structure (small pit) on the egg membrane. Survival rate of embryos with abnormal egg membrane was extremely low. It was demonstrated that Stm protein is necessary to form the functional egg membrane to protect embryos from the outside environment.
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Affiliation(s)
- Theeranukul Pachoensuk
- Integrated Bioscience Section, Graduate School of Science and Technology, National University Corporation, Shizuoka University, Suruga-ku, Shizuoka, Japan
| | - Taketo Fukuyo
- Biological Science Course, Graduate School of Science, Shizuoka University, Suruga-ku, Shizuoka, Japan
| | - Md Rezanujjaman
- Integrated Bioscience Section, Graduate School of Science and Technology, National University Corporation, Shizuoka University, Suruga-ku, Shizuoka, Japan
| | - Klangnurak Wanlada
- Department of Animal Production and Fisheries, Faculty of Agricultural Technology, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand
| | - Chihiro Yamamoto
- Division of Technical Service, Shizuoka University, Suruga-ku, Shizuoka, Japan
| | - Akiteru Maeno
- Mammalian Genetics Laboratory, National Institute of Genetics, Mishima, Shizuoka, Japan.,Facility and Equipment Technical Unit, National Institute of Genetics, Mishima, Shizuoka, Japan
| | - Md Mostafizur Rahaman
- Integrated Bioscience Section, Graduate School of Science and Technology, National University Corporation, Shizuoka University, Suruga-ku, Shizuoka, Japan
| | - Md Hasan Ali
- Integrated Bioscience Section, Graduate School of Science and Technology, National University Corporation, Shizuoka University, Suruga-ku, Shizuoka, Japan
| | - Toshinobu Tokumoto
- Integrated Bioscience Section, Graduate School of Science and Technology, National University Corporation, Shizuoka University, Suruga-ku, Shizuoka, Japan.,Biological Science Course, Graduate School of Science, Shizuoka University, Suruga-ku, Shizuoka, Japan
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Yang C, Lim W, Song G. Reproductive toxicity due to herbicide exposure in freshwater organisms. Comp Biochem Physiol C Toxicol Pharmacol 2021; 248:109103. [PMID: 34129918 DOI: 10.1016/j.cbpc.2021.109103] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/02/2021] [Accepted: 06/06/2021] [Indexed: 12/27/2022]
Abstract
Excessively used pesticides in agricultural areas are spilled into aquatic environments, wherein they are suspended or sedimented. Owing to climate change, herbicides are the fastest growing sector of the pesticide industry and are detected in surface water, groundwater, and sediments near agricultural areas. In freshwater, organisms, including mussels, snails, frogs, and fish, are exposed to various types and concentrations of herbicides. Invertebrates are sensitive to herbicide exposure because their defense systems are incomplete. At the top of the food chain in freshwater ecosystems, fish show high bioaccumulation of herbicides. Herbicide exposure causes reproductive toxicity and population declines in freshwater organisms and further contamination of fish used for consumption poses a risk to human health. In addition, it is important to understand how environmental factors are physiologically processed and assess their impacts on reproductive parameters, such as gonadosomatic index and steroid hormone levels. Zebrafish is a good model for examining the effects of herbicides such as atrazine and glyphosate on embryonic development in freshwater fish. This review describes the occurrence and role of herbicides in freshwater environments and their potential implications for the reproduction and embryonic development of freshwater organisms.
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Affiliation(s)
- Changwon Yang
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Whasun Lim
- Department of Food and Nutrition, Kookmin University, Seoul 02707, Republic of Korea.
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea.
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Bai Z, Jia K, Chen G, Liao X, Cao Z, Zhao Y, Zhang C, Lu H. Carbamazepine induces hepatotoxicity in zebrafish by inhibition of the Wnt/β-catenin signaling pathway. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 276:116688. [PMID: 33611196 DOI: 10.1016/j.envpol.2021.116688] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 01/21/2021] [Accepted: 02/03/2021] [Indexed: 06/12/2023]
Abstract
As drug abuse has become increasingly serious, carbamazepine (CBZ) is discharged into the aquatic environment with municipal sewage, causing potential harm to aquatic organisms. Here, we utilized zebrafish, an aquatic vertebrate model, to comprehensively evaluate the hepatotoxicity of CBZ. The larvae were exposed to 0.07, 0.13, and 0.26 mmol/L CBZ from 72 hpf to 144 hpf, and the adults were exposed to 0.025, 0.05, and 0.1 mmol/L CBZ for 28 days. The substantial changes were observed in the size and histopathology of livers, indicating that CBZ induced severe hepatoxicity in the larvae and adults. Oil red O staining demonstrated CBZ exposure caused severe lipid accumulation in the livers of both larvae and adults. Furthermore, CBZ exposure facilitated hepatocyte apoptosis through TUNEL staining, which was caused by rising ROS content. Subsequently, down-regulation of genes related to the Wnt pathway in exposure groups indicated that CBZ inhibited the development of liver via the Wnt/β-catenin signaling pathway. In conclusion, CBZ induced severe hepatotoxicity by promoting lipid accumulation, generating excessive ROS production, and inhibiting the Wnt/β-catenin signaling pathway in zebrafish. The results reveal the occurrence of CBZ-induced hepatotoxicity in zebrafish and clarify its mechanism of action, which potentially illustrate environmental concerns associated with CBZ exposure.
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Affiliation(s)
- Zhonghui Bai
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, China
| | - Kun Jia
- Center for Developmental Biology of Jinggangshan University, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China; Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, Ji'an, 343009, Jiangxi, China
| | - Guilan Chen
- Center for Developmental Biology of Jinggangshan University, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China; Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, Ji'an, 343009, Jiangxi, China
| | - Xinjun Liao
- Center for Developmental Biology of Jinggangshan University, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China; Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, Ji'an, 343009, Jiangxi, China
| | - Zigang Cao
- Center for Developmental Biology of Jinggangshan University, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China; Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, Ji'an, 343009, Jiangxi, China
| | - Yangqi Zhao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, China
| | - Chunping Zhang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, China.
| | - Huiqiang Lu
- Center for Developmental Biology of Jinggangshan University, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China; Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, Ji'an, 343009, Jiangxi, China; Center for Drug Screening and Research, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
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10
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Howard MDA, Kudela RM, Hayashi K, Tatters AO, Caron DA, Theroux S, Oehrle S, Roethler M, Donovan A, Loftin K, Laughrey Z. Multiple co-occurring and persistently detected cyanotoxins and associated cyanobacteria in adjacent California lakes. Toxicon 2021; 192:1-14. [PMID: 33428970 PMCID: PMC8811718 DOI: 10.1016/j.toxicon.2020.12.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 12/11/2020] [Accepted: 12/30/2020] [Indexed: 01/04/2023]
Abstract
The global proliferation of toxin producing cyanobacterial blooms has been attributed to a wide variety of environmental factors with nutrient pollution, increased temperatures, and drought being three of the most significant. The current study is the first formal assessment of cyanotoxins in two impaired lakes, Canyon Lake and Lake Elsinore, in southern California that have a history of cyanobacterial blooms producing high biomass as measured by chl-a. Cyanotoxins in Lake Elsinore were detected at concentrations that persistently exceeded California recreational health thresholds, whereas Canyon Lake experienced persistent concentrations that only occasionally exceeded health thresholds. The study results are the highest recorded concentrations of microcystins, anatoxin-a, and cylindrospermopsin detected in southern California lakes. Concentrations exceeded health thresholds that caused both lakes to be closed for recreational activities. Cyanobacterial identifications indicated a high risk for the presence of potentially toxic genera and agreed with the cyanotoxin results that indicated frequent detection of multiple cyanotoxins simultaneously. A statistically significant correlation was observed between chlorophyll-a (chl-a) and microcystin concentrations for Lake Elsinore but not Canyon Lake, and chl-a was not a good indicator of cylindrospermopsin, anatoxin-a, or nodularin. Therefore, chl-a was not a viable screening indicator of cyanotoxin risk in these lakes. The study results indicate potential acute and chronic risk of exposure to cyanotoxins in these lakes and supports the need for future monitoring efforts to help minimize human and domestic pet exposure and to better understand potential effects to wildlife. The frequent co-occurrence of complex cyanotoxin mixtures further complicates the risk assessment process for these lakes given uncertainty in the toxicology of mixtures.
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Affiliation(s)
- Meredith D A Howard
- Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive, #200, Rancho Cordova, CA, 95670, USA.
| | - Raphael M Kudela
- Department of Ocean Science, University of California, Santa Cruz, 1156 High Street, Santa Cruz, CA, 95064, USA.
| | - Kendra Hayashi
- Department of Ocean Science, University of California, Santa Cruz, 1156 High Street, Santa Cruz, CA, 95064, USA.
| | - Avery O Tatters
- USEPA Gulf Ecosystem Measurement and Modeling Division Laboratory, 1 Sabine Drive, Gulf Breeze, FL, 32561, USA.
| | - David A Caron
- Department of Biological Sciences, University of Southern California, 3616 Trousdale Parkway, Los Angeles, CA, 90089-0371, USA.
| | - Susanna Theroux
- Biogeochemistry Department, Southern California Coastal Water Research Project, 3535 Harbor Blvd., Suite 110, Costa Mesa, CA, 92626, USA.
| | - Stuart Oehrle
- Waters Field Lab, Northern Kentucky University, Chemistry Department, Highland Heights, KY, 41099, USA.
| | - Miranda Roethler
- School of Aquatic and Fishery Sciences, University of Washington, 1122 NE Boat St. Box 355020, Seattle, WA, 98195-5020, USA.
| | - Ariel Donovan
- U.S. Geological Survey, Kansas Water Science Center, Organic Geochemistry Research Laboratory, 1217 Biltmore Drive, Lawrence, KS, 66049, USA.
| | - Keith Loftin
- U.S. Geological Survey, Kansas Water Science Center, Organic Geochemistry Research Laboratory, 1217 Biltmore Drive, Lawrence, KS, 66049, USA.
| | - Zachary Laughrey
- U.S. Geological Survey, Kansas Water Science Center, Organic Geochemistry Research Laboratory, 1217 Biltmore Drive, Lawrence, KS, 66049, USA.
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11
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Blahova J, Cocilovo C, Plhalova L, Svobodova Z, Faggio C. Embryotoxicity of atrazine and its degradation products to early life stages of zebrafish (Danio rerio). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2020; 77:103370. [PMID: 32146350 DOI: 10.1016/j.etap.2020.103370] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/29/2020] [Accepted: 03/02/2020] [Indexed: 06/10/2023]
Abstract
Triazine herbicide atrazine is considered to be moderately toxic to various aquatic animals. The aim of our study was to evaluate the acute embryotoxicity of atrazine and its two degradation products, desisopropylatrazine and desethylatrazine, and their mixture to the early life stages of zebrafish (Danio rerio) by means of a modified method of the Fish Embryo Acute Toxicity (FET) Test - OECD guideline 236. Toxic effects were studied by the evaluation of lethal endpoints and development of disorders. Furthermore, sublethal endpoints such as hatching rate, formation of somites, development of eyes, spontaneous movement, heartbeat, blood circulation, pigmentation and occurrence of edema at 24, 48, 72 and 96 h post fertilization were assessed. Newly fertilized eggs were exposed to various concentrations of atrazine, desisopropylatrazine and desethylatrazine, and their combination 0.3, 30, 100, 300, 1000, 3,000 and 10,000 μg/l, which represent environmentally relevant levels of these pollutants in surface waters and multiples of these concentrations to find out if the toxic effect depends on dose. Single substances and their combination were not associated with a negative effect on mortality. Rare malformations were observed during these embryonal toxicity tests. Only pericardial edema was recorded during the monitored observation. A significant increase in the occurrence of pericardial edema between the control 0% and the experimental group 17.6 %) was found only in the group exposed to the highest concentration of a triazine herbicide combination (10,000 μg/l) at 72 and 96 h post fertilization. Obtained results indicate that especially higher not environmentally relevant concentrations of atrazine, its metabolites or their combination present a potencial risk of embryotoxicity for zebrafish.
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Affiliation(s)
- Jana Blahova
- Department of Animal Protection, Welfare and Behaviour, University of Veterinary and Pharmaceutical Sciences Brno, Czech Republic
| | - Claudia Cocilovo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Italy
| | - Lucie Plhalova
- Department of Animal Protection, Welfare and Behaviour, University of Veterinary and Pharmaceutical Sciences Brno, Czech Republic
| | - Zdenka Svobodova
- Department of Animal Protection, Welfare and Behaviour, University of Veterinary and Pharmaceutical Sciences Brno, Czech Republic
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Italy.
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12
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Cerbaro AF, Rodrigues VSB, Rigotti M, Branco CS, Rech G, de Oliveira DL, Salvador M. Grape seed proanthocyanidins improves mitochondrial function and reduces oxidative stress through an increase in sirtuin 3 expression in EA.hy926 cells in high glucose condition. Mol Biol Rep 2020; 47:3319-3330. [PMID: 32266639 DOI: 10.1007/s11033-020-05401-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 03/25/2020] [Indexed: 12/12/2022]
Abstract
Proanthocyanidins are phenolic compounds abundant in the diet, commonly found in grapes and derivatives, foods known for their health-promoting benefits. There is previous evidence showing the antidiabetic activity of proanthocyanidins, however, their mechanisms of action have not been fully elucidated. This study evaluated the capacity of grape seed proanthocyanidins extract (GSPE) to modulate oxidative stress, nitric oxide levels, mitochondrial dysfunction, apoptosis, and sirtuin expression in endothelial cells EA.hy926 under high glucose condition. In addition, the possible toxic effects of GSPE was evaluated in a zebrafish embryos model. The results showed that GSPE was able to enhance cell viability and avoid the disturbance in redox metabolism induced by high glucose. Moreover, GSPE was able to avoid mitochondria dysfunction and the increased in p53 and poly-(ADP-ribose) polymerase expression induced by high glucose exposition. These effects were attributed to the increase in expression of sirtuin 3, a protein able to regulate mitochondrial function. GSPE in an effective concentration did not show toxic effects in zebrafish embryos model. Taken together, these data elucidate the key molecular target of GSPE for future pharmacological interventions in diabetic patients.
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Affiliation(s)
- Aline Fagundes Cerbaro
- Laboratory of Oxidative Stress and Antioxidants, Biotechnology Institute, University of Caxias Do Sul, Caxias do Sul, RS, 95070560, Brazil
| | | | - Marina Rigotti
- Laboratory of Oxidative Stress and Antioxidants, Biotechnology Institute, University of Caxias Do Sul, Caxias do Sul, RS, 95070560, Brazil
| | - Catia Santos Branco
- Laboratory of Oxidative Stress and Antioxidants, Biotechnology Institute, University of Caxias Do Sul, Caxias do Sul, RS, 95070560, Brazil
| | - Giovana Rech
- Cellular Neurochemistry Laboratory, Department of Biochemistry, Institute Health Basic Sciences, Federal University of Rio Grande Do Sul, Porto Alegre, RS, 90035003, Brazil
| | - Diogo Losch de Oliveira
- Cellular Neurochemistry Laboratory, Department of Biochemistry, Institute Health Basic Sciences, Federal University of Rio Grande Do Sul, Porto Alegre, RS, 90035003, Brazil
| | - Mirian Salvador
- Laboratory of Oxidative Stress and Antioxidants, Biotechnology Institute, University of Caxias Do Sul, Caxias do Sul, RS, 95070560, Brazil.
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13
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Li S, Jiang Y, Sun Q, Coffin S, Chen L, Qiao K, Gui W, Zhu G. Tebuconazole induced oxidative stress related hepatotoxicity in adult and larval zebrafish (Danio rerio). CHEMOSPHERE 2020; 241:125129. [PMID: 31683439 DOI: 10.1016/j.chemosphere.2019.125129] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 10/14/2019] [Accepted: 10/14/2019] [Indexed: 06/10/2023]
Abstract
Tebuconazole is widely used as fungicide and has frequently been detected at elevated concentrations in environmental media. To characterize the potential toxicity of tebuconazole on vertebrate and humans. Using zebrafish as a vertebrate model, the toxic effects in liver that produced by low-toxic concentrations of tebuconazole were assessed in adult zebrafish. We further focused on tebuconazole-induced toxicity and its possible mechanism in larval zebrafish using a hepatotoxicity assay. The induction of oxidative stress in adult fish was evaluated by superoxide dismutase (T-SOD), catalase (CAT), peroxidase (POD), glutathione S-transferase (GST) activity, and the increased aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio. Significantly increased enzyme activity was observed in the liver of male and female fish at both exposure and depuration stage. Exposure to maximum non-lethal (MNLC) concentration of tebuconazole from 72 to 120 h post-fertilization (hpf) affected the liver size and yolk retention in larval zebrafish. Decreased fluorescence intensity was observed in larval Tg(Apo14:GFP) zebrafish, indicating liver degeneration after tebuconazole treated. Histopathological examination confirmed the alterations in liver histoarchitecture in exposed zebrafish. Significant 1.28-fold and 1.65-fold increases in reactive oxygen species levels were observed in juveniles exposed to MNLC and lethal concentration 10 (LC10) group, respectively. The acridine orange staining assay showed that apoptotic cells occurred in the liver regions. These results indicated that tebuconazole exposure resulted in impacts on the ecological risk in fish and vertebrate. Overall, the present study suggested further research in needed to better understand the tebuconazole-induced toxicity mechanism that associated with oxidative stress.
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Affiliation(s)
- Shuying Li
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, PR China
| | - Yao Jiang
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, PR China
| | - Qianqian Sun
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, PR China
| | - Scott Coffin
- Department of Environmental Sciences, University of California, Riverside, CA, 92521, United States
| | - Lili Chen
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, PR China
| | - Kun Qiao
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, PR China
| | - Wenjun Gui
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, PR China.
| | - Guonian Zhu
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, PR China
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14
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Jin J, Kurobe T, Hammock BG, Lam CH, Lin L, Teh SJ. Toxic effects of fluridone on early developmental stages of Japanese Medaka (Oryzias latipes). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 700:134495. [PMID: 31693955 DOI: 10.1016/j.scitotenv.2019.134495] [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: 06/17/2019] [Revised: 09/11/2019] [Accepted: 09/15/2019] [Indexed: 06/10/2023]
Abstract
The herbicide fluridone is intensively applied to control invasive aquatic plants globally, including in the Sacramento and San Joaquin Delta (the Delta), California, USA. Our previous study revealed that the adult stage of Delta Smelt showed acute and sub-lethal adverse effects following 6 h of exposure to environmentally relevant concentrations of fluridone. To further investigate mechanisms of toxicity of fluridone and to assess its toxicity to early life stages of fish, we performed additional exposures using the fish model Japanese Medaka (Oryzias latipes). Male and female Medaka embryos were exposed to concentrations of fluridone for 14 d and showed reduced hatching success in a dose dependent manner. The half maximal effective concentration for the hatching success was 2.3 mg L-1. In addition, male and female Medaka larvae were acute exposed to fluridone for 6 h to assess their swimming behavior and gene expression patterns. Fish exposed to fluridone at 4.2 mg L-1 or higher became lethargic and showed abnormal swimming behavior. The response to the stimuli was significantly impaired by fluridone at 21 mg L-1 and above in males, and at 104 mg L-1 in females. Transcriptome analysis identified a total of 799 genes that were significantly differentially expressed, comprising 555 up-regulated and 244 down-regulated genes in males exposed to 21 mg L-1 of fluridone. The gene set enrichment analysis indicated a number of biological processes altered by fluridone. Among the genes involved in those biological processes, the expression of the genes, acetylcholinesterase, retinoic acid receptor, insulin receptor substrate, glutathione reductase, and glutathione S transferase, exhibited dose- and sex-dependent responses to fluridone. The study indicated that fluridone exposure led to detrimental toxic effects at early developmental stages of fish, by disturbing the biological processes of growth and development, and the nervous system, inducing oxidative stress and endocrine disruption.
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Affiliation(s)
- Jiali Jin
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China; Aquatic Health Program, Department of Anatomy, Physiology, and Cell Biology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA.
| | - Tomofumi Kurobe
- Aquatic Health Program, Department of Anatomy, Physiology, and Cell Biology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA
| | - Bruce G Hammock
- Aquatic Health Program, Department of Anatomy, Physiology, and Cell Biology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA
| | - Chelsea H Lam
- Aquatic Health Program, Department of Anatomy, Physiology, and Cell Biology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA
| | - Li Lin
- Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China
| | - Swee J Teh
- Aquatic Health Program, Department of Anatomy, Physiology, and Cell Biology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA
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15
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Hook SE, Mondon J, Revill AT, Greenfield PA, Smith RA, Turner RDR, Corbett PA, Warne MSJ. Transcriptomic, lipid, and histological profiles suggest changes in health in fish from a pesticide hot spot. MARINE ENVIRONMENTAL RESEARCH 2018; 140:299-321. [PMID: 29983192 DOI: 10.1016/j.marenvres.2018.06.020] [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: 04/19/2018] [Revised: 06/14/2018] [Accepted: 06/28/2018] [Indexed: 06/08/2023]
Abstract
Barramundi (Lates calcarifer) were collected at the beginning (1st sampling) and end (2nd sampling) of the wet season from Sandy Creek, an agriculturally impacted catchment in the Mackay Whitsundays region of the Great Barrier Reef catchment area, and from Repulse Creek, located approximately 100 km north in Conway National Park, to assess the impacts of pesticide exposure. Gill and liver histology, lipid class composition in muscle, and the hepatic transcriptome were examined. The first sample of Repulse Creek fish showed little tissue damage and low transcript levels of xenobiotic metabolism enzymes. Sandy Creek fish showed altered transcriptomic patterns, including those that regulate lipid metabolism, xenobiotic metabolism, and immune response; gross histological alterations including lipidosis; and differences in some lipid classes. The second sampling of Repulse Creek fish showed similar alterations in hepatic transcriptome and tissue structure as fish from Sandy Creek. These changes may indicate a decrease in health of pesticide exposed fish.
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Affiliation(s)
- Sharon E Hook
- CSIRO Oceans and Atmosphere, Lucas Heights, New South Wales, Australia.
| | - Julie Mondon
- Deakin University, Warrnambool, Victoria, Australia
| | | | | | - Rachael A Smith
- Queensland Department of Science and Environment, Brisbane, Queensland 4001, Australia
| | - Ryan D R Turner
- Queensland Department of Science and Environment, Brisbane, Queensland 4001, Australia
| | | | - Michael St J Warne
- Centre for Agroecology, Water and Resilience, Coventry University, United Kingdom; Queensland Department of Science and Environment, Brisbane, Queensland 4001, Australia; Australian Rivers Institute, Griffith University, Queensland 4111, Australia; Queensland Alliance of Environmental Health Sciences, University of Queensland, Queensland, 4108, Australia
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16
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Otte JC, Schultz B, Fruth D, Fabian E, van Ravenzwaay B, Hidding B, Salinas ER. Intrinsic Xenobiotic Metabolizing Enzyme Activities in Early Life Stages of Zebrafish (Danio rerio). Toxicol Sci 2018; 159:86-93. [PMID: 28903500 DOI: 10.1093/toxsci/kfx116] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Early life stages of zebrafish (Danio rerio, zf) are gaining attention as an alternative invivo test system for drug discovery, early developmental toxicity screenings and chemical testing in ecotoxicological and toxicological testing strategies. Previous studies have demonstrated transcriptional evidence for xenobiotic metabolizing enzymes (XME) during early zf development. However, elaborate experiments on XME activities during development are incomplete. In this work, the intrinsic activities of representative phase I and II XME were monitored by transformation of putative zf model substrates analyzed using photometry and high pressure liquid chromatography techniques. Six different defined stages of zf development (between 2.5 h postfertilization (hpf) to 120 hpf) were investigated by preparing a subcellular fraction from whole organism homogenates. We demonstrated that zf embryos as early as 2.5 hpf possess intrinsic metabolic activities for esterase, Aldh, Gst, and Cyp1a above the methodological detection limit. The activities of the enzymes Cyp3a and Nat were measurable during later stages in development. Activities represent dynamic patterns during development. The role of XME activities revealed in this work is relevant for the assessing toxicity in this test system and therefore contributes to a valuable characterization of zf embryos as an alternative testing organism in toxicology.
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Affiliation(s)
| | - Bernadette Schultz
- Experimental Toxicology and Ecology, BASF SE, 67056 Ludwigshafen, Germany
| | - Daniela Fruth
- Experimental Toxicology and Ecology, BASF SE, 67056 Ludwigshafen, Germany
| | - Eric Fabian
- Experimental Toxicology and Ecology, BASF SE, 67056 Ludwigshafen, Germany
| | | | - Björn Hidding
- Experimental Toxicology and Ecology, BASF SE, 67056 Ludwigshafen, Germany
| | - Edward R Salinas
- Experimental Toxicology and Ecology, BASF SE, 67056 Ludwigshafen, Germany
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17
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Demirci Ö, Güven K, Asma D, Öğüt S, Uğurlu P. Effects of endosulfan, thiamethoxam, and indoxacarb in combination with atrazine on multi-biomarkers in Gammarus kischineffensis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 147:749-758. [PMID: 28942278 DOI: 10.1016/j.ecoenv.2017.09.038] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 09/12/2017] [Accepted: 09/14/2017] [Indexed: 06/07/2023]
Abstract
Studies addressing the toxicity of pesticides towards non-target organisms focus on the median lethal concentration and biochemical response of individual pesticides. However, when determining environmental risks, it is important to test the combined effects of pesticides, such as insecticides and herbicides, which are frequently used together in agricultural areas. Here we aimed to investigate the toxic effects of the combined use of the herbicide atrazine and the insecticides, endosulfan, indoxacarb, and thiamethoxam on Gammarus kischineffensis. To do this, we tested the activities of oxidative stress, detoxification, and neurotoxicity biomarkers. Compared to atrazine alone, we detected higher glutathione-S-transferase, catalase and superoxide dismutase activities (oxidative stress biomarkers) when atrazine was combined with either endosulfan or indoxacarb. However, higher IBR values were determined in organisms where pesticide mixtures were used according to individual use. Based on these results, mixtures of atrazine and other pesticides may cause synergistic effects and may be evidence of increased toxicity and oxidative stress.
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Affiliation(s)
- Özlem Demirci
- Science Faculty, Department of Biology, Dicle University, 21280, Turkey.
| | - Kemal Güven
- Science Faculty, Department of Molecular Biology and Genetics, Dicle University, 21280, Turkey.
| | - Dilek Asma
- Science Faculty, Department of Biology, Inonu University, 21280, Turkey.
| | - Serdal Öğüt
- School of Health, Department of Nutrition and Dietetics, Adnan Menderes University, 09100, Turkey.
| | - Pelin Uğurlu
- Science and Technology Application and Research Center, Dicle University, 21280, Turkey.
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18
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Yamaguchi A, Ishibashi H, Kono S, Iida M, Uchida M, Arizono K, Tominaga N. Nanosecond pulsed electric field incorporation technique to predict molecular mechanisms of teratogenicity and developmental toxicity of estradiol-17β on medaka embryos. J Appl Toxicol 2017; 38:714-723. [PMID: 29280155 DOI: 10.1002/jat.3579] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 11/23/2017] [Accepted: 11/23/2017] [Indexed: 01/08/2023]
Abstract
Herein, we propose using a nanosecond pulsed electric field (nsPEF) technique to assess teratogenicity and embryonic developmental toxicity of estradiol-17β (E2 ) and predict the molecular mechanisms of teratogenicity and embryonic developmental defects caused by E2 on medaka (Oryzias latipes). The 5 hour post-fertilization embryos were exposed to co-treatment with 10 μm E2 and nsPEF for 2 hours and then continuously cultured under non-E2 and nsPEF conditions until hatching. Results documented that the time to hatching of embryos was significantly delayed in comparison to the control group and that typical abnormal embryo development, such as the delay of blood vessel formation, was observed. For DNA microarray analysis, 6 day post-fertilization embryos that had been continuously cultured under the non-E2 and nsPEF condition after 2 hour co-treatments were used. DNA microarray analysis identified 542 upregulated genes and one downregulated gene in the 6 day post-fertilization embryos. Furthermore, bioinformatic analyses using differentially expressed genes revealed that E2 exposure affected various gene ontology terms, such as response to hormone stimulus. The network analysis also documented that the estrogen receptor α in the mitogen-activated protein kinase signaling pathway may be involved in regulating several transcription factors, such as FOX, AKT1 and epidermal growth factor receptor. These results suggest that our nsPEF technique is a powerful tool for assessing teratogenicity and embryonic developmental toxicity of E2 and predict their molecular mechanisms in medaka embryos.
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Affiliation(s)
- Akemi Yamaguchi
- Department of Creative Engineering, National Institute of Technology, Ariake College, 150 Higashi-Hagio, Omuta, Fukuoka, 836-8585, Japan
| | - Hiroshi Ishibashi
- Graduate School of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, 790-8566, Japan
| | - Susumu Kono
- Department of Creative Engineering, National Institute of Technology, Ariake College, 150 Higashi-Hagio, Omuta, Fukuoka, 836-8585, Japan
| | - Midori Iida
- Computer Science and Systems Engineering, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, Fukuoka, 820-0067, Japan
| | - Masaya Uchida
- Department of Creative Engineering, National Institute of Technology, Ariake College, 150 Higashi-Hagio, Omuta, Fukuoka, 836-8585, Japan.,Mizuki Biotech, Co., Ltd., 1-1 Hyakunenkouen, Kurume, Fukuoka, 839-0864, Japan
| | - Koji Arizono
- Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto, 3-1-100 Tsukide, Higashi-ku, Kumamoto, 862-8502, Japan
| | - Nobuaki Tominaga
- Department of Creative Engineering, National Institute of Technology, Ariake College, 150 Higashi-Hagio, Omuta, Fukuoka, 836-8585, Japan
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19
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Li Y, Chen T, Miao X, Yi X, Wang X, Zhao H, Lee SMY, Zheng Y. Zebrafish: A promising in vivo model for assessing the delivery of natural products, fluorescence dyes and drugs across the blood-brain barrier. Pharmacol Res 2017; 125:246-257. [PMID: 28867638 DOI: 10.1016/j.phrs.2017.08.017] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 07/17/2017] [Accepted: 08/30/2017] [Indexed: 12/12/2022]
Abstract
The blood brain barrier (BBB) is the network of capillaries that controls the passage of substances from the blood into the brain and other parts of the central nervous system (CNS). As this barrier is the major obstacle for drug delivery into CNS, a credible BBB model is very necessary to assess the BBB permeability of novel neuroactive compounds including thousands of bioactive compounds which have been extracted from medicinal plants and have the potential for the treatment of CNS diseases. Increasing reports indicated that zebrafish has emerged as a timely, reproducible model for BBB permeability assessment. In this review, the development and functions of the BBB in zebrafish, such as its anatomical morphology, tight junctions, drug transporters and enzyme expression, are compared with those in mammals. The studies outlined in this review describe the utilization of the zebrafish as a BBB model to investigate the permeability and distribution of fluorescent dyes and drugs. Particularly, this review focuses on the use of zebrafish to evaluate the delivery of natural products and nanosized drug delivery systems across the BBB. Due to the highly conserved nature of both the structure and function of the BBB between zebrafish and mammals, zebrafish has the potential to be developed as a model for assessing and predicting the permeability of BBB to novel compounds.
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Affiliation(s)
- Ye Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Tongkai Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Xiaoqing Miao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Xiang Yi
- Division of Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC, USA
| | - Xueqing Wang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Haitao Zhao
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Simon Ming-Yuen Lee
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Ying Zheng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China.
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20
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Steenbergen PJ, Bardine N, Sharif F. Kinetics of glucocorticoid exposure in developing zebrafish: A tracer study. CHEMOSPHERE 2017; 183:147-155. [PMID: 28544900 DOI: 10.1016/j.chemosphere.2017.05.059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 05/02/2017] [Accepted: 05/10/2017] [Indexed: 06/07/2023]
Abstract
In the current study the dynamics of glucocorticoid uptake by zebrafish chorionated embryos from the surrounding medium were studied, using 2.5 μM cortisol or dexamethasone solutions complemented with their tritiated variant. We measured the uptake of radioactive cortisol by embryos during a 1 h submersion. Interestingly, the signal in chorionated embryos was 85% (exposure: 1-2 hpf) or 78% (exposure: 48-49 hpf) of the signal present in an equal volume medium. By comparing embryos measured without chorion, we found that 18-20% of the radioactivity present in chorionated embryos is actually bound to the chorion or located in the perivitelline space. Consequently, embryonic tissue contains radioactivity levels of 60% of a similar volume of medium after 1 h incubation. During early developmental stages (1-48 hpf) exposure of more than 24 h in cortisol was needed to achieve radioactivity levels similar to an equal volume of medium within the embryonic tissue and more than 48 h for dexamethasone. In glucocorticoid-free medium, radioactivity dropped rapidly below 10% for both glucocorticoids, suggesting that the major portion of the embryonic radioactivity was a result of simple diffusion. During later developmental stages (48-96 hpf) initial uptake dynamics were similar, but showed a decrease of tissue radioactivity to 20% of an equal volume of medium after hatching, probably due to development and activation of the hypothalamic pituitary interrenal axis. Uptake is dependent on the developmental stage of the embryo. Furthermore, the presence of the chorion during exposure should be taken into account even when small lipophilic molecules are being tested.
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Affiliation(s)
- Peter Johannes Steenbergen
- Department of Integrative Zoology, Institute of Biology Leiden, Leiden University, Sylviusweg 72, 2333 BE Leiden, The Netherlands; Department of Medical Pharmacology, Leiden/Amsterdam Centre for Drug Research, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Nabila Bardine
- Department of Cell Biology, Institute of Biology Leiden, Leiden University, Sylviusweg 72, 2333 BE Leiden, The Netherlands
| | - Faiza Sharif
- Department of Integrative Zoology, Institute of Biology Leiden, Leiden University, Sylviusweg 72, 2333 BE Leiden, The Netherlands; Interdisciplinary Reseach Centre in Biomedical Materials, COMSATS Institute of Information Technology Lahore, Pakistan.
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21
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Hook SE, Kroon FJ, Greenfield PA, Warne MSJ, Smith RA, Turner RD. Hepatic transcriptomic profiles from barramundi, Lates calcarifer, as a means of assessing organism health and identifying stressors in rivers in northern Queensland. MARINE ENVIRONMENTAL RESEARCH 2017; 129:166-179. [PMID: 28601346 DOI: 10.1016/j.marenvres.2017.05.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 05/12/2017] [Accepted: 05/29/2017] [Indexed: 06/07/2023]
Abstract
Resource managers need to differentiate between sites with and without contaminants and those where contaminants cause impacts. Potentially, transcriptomes could be used to evaluate sites where contaminant-induced effects may occur, to identify causative stressors of effects and potential adverse outcomes. To test this hypothesis, the hepatic transcriptomes in Barramundi, a perciforme teleost fish, (Lates calcarifer) from two reference sites, two agriculturally impacted sites sampled during the dry season, and an impacted site sampled during the wet season were compared. The hepatic transcriptome was profiled using RNA-Seq. Multivariate analysis showed that transcriptomes were clustered based on site and by inference water quality, but not sampling time. The largest differences in transcriptomic profile were between reference sites and a site sampled during high run-off, showing that impacted sites can be identified via RNA-Seq. Transcripts with altered abundance were linked to xenobiotic metabolism, peroxisome proliferation and stress responses, indicating putative stressors with the potential for adverse outcomes in barramundi.
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Affiliation(s)
- Sharon E Hook
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Oceans and Atmosphere, Kirrawee, NSW 2232, Australia.
| | - Frederieke J Kroon
- Australian Institute of Marine Science, PMB 3, Townsville, Queensland 4810, Australia
| | - Paul A Greenfield
- CSIRO Oceans and Atmosphere North Ryde, New South Wales 2113, Australia
| | - Michael St J Warne
- Centre for Agroecology, Water and Resilience, Coventry University, United Kingdom; Queensland Department of Science, Information Technology, and Innovation, Brisbane, Queensland 4001, Australia; Australian Rivers Institute, Griffith University, Queensland 4111, Australia; National Research Centre for Environmental Toxicology (EnTox), University of Queensland, Queensland 4108, Australia
| | - Rachael A Smith
- Queensland Department of Science, Information Technology, and Innovation, Brisbane, Queensland 4001, Australia; Australian Rivers Institute, Griffith University, Queensland 4111, Australia
| | - Ryan D Turner
- Queensland Department of Science, Information Technology, and Innovation, Brisbane, Queensland 4001, Australia; Australian Rivers Institute, Griffith University, Queensland 4111, Australia
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22
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Howard MDA, Nagoda C, Kudela RM, Hayashi K, Tatters A, Caron DA, Busse L, Brown J, Sutula M, Stein ED. Microcystin Prevalence throughout Lentic Waterbodies in Coastal Southern California. Toxins (Basel) 2017; 9:E231. [PMID: 28737685 PMCID: PMC5535178 DOI: 10.3390/toxins9070231] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 07/06/2017] [Accepted: 07/13/2017] [Indexed: 02/01/2023] Open
Abstract
Toxin producing cyanobacterial blooms have increased globally in recent decades in both frequency and intensity. Despite the recognition of this growing risk, the extent and magnitude of cyanobacterial blooms and cyanotoxin prevalence is poorly characterized in the heavily populated region of southern California. Recent assessments of lentic waterbodies (depressional wetlands, lakes, reservoirs and coastal lagoons) determined the prevalence of microcystins and, in some cases, additional cyanotoxins. Microcystins were present in all waterbody types surveyed although toxin concentrations were generally low across most habitats, as only a small number of sites exceeded California's recreational health thresholds for acute toxicity. Results from passive samplers (Solid Phase Adsorption Toxin Tracking (SPATT)) indicated microcystins were prevalent throughout lentic waterbodies and that traditional discrete samples underestimated the presence of microcystins. Multiple cyanotoxins were detected simultaneously in some systems, indicating multiple stressors, the risk of which is uncertain since health thresholds are based on exposures to single toxins. Anatoxin-a was detected for the first time from lakes in southern California. The persistence of detectable microcystins across years and seasons indicates a low-level, chronic risk through both direct and indirect exposure. The influence of toxic cyanobacterial blooms is a more complex stressor than presently recognized and should be included in water quality monitoring programs.
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Affiliation(s)
- Meredith D A Howard
- Southern California Coastal Water Research Project, 3535 Harbor Boulevard, Suite 110, Costa Mesa, CA 92626, USA.
| | - Carey Nagoda
- San Diego Regional Water Quality Control Board, 2375 Northside Drive, Suite 100, San Diego, CA 92108, USA.
| | - Raphael M Kudela
- Department of Ocean Sciences, University of California, Santa Cruz, 1156 High Street, Santa Cruz, CA 95064 USA.
| | - Kendra Hayashi
- Department of Ocean Sciences, University of California, Santa Cruz, 1156 High Street, Santa Cruz, CA 95064 USA.
| | - Avery Tatters
- Department of Biological Sciences, University of Southern California, 3616 Trousdale Parkway, Los Angeles, CA 90089-0371, USA.
| | - David A Caron
- Department of Biological Sciences, University of Southern California, 3616 Trousdale Parkway, Los Angeles, CA 90089-0371, USA.
| | - Lilian Busse
- German Federal Environmental Agency, Umweltbundesamt, Wörlitzer Platz 1, 06844 Dessau, Germany.
| | - Jeff Brown
- Southern California Coastal Water Research Project, 3535 Harbor Boulevard, Suite 110, Costa Mesa, CA 92626, USA.
| | - Martha Sutula
- Southern California Coastal Water Research Project, 3535 Harbor Boulevard, Suite 110, Costa Mesa, CA 92626, USA.
| | - Eric D Stein
- Southern California Coastal Water Research Project, 3535 Harbor Boulevard, Suite 110, Costa Mesa, CA 92626, USA.
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23
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Oliveira JMM, Galhano V, Henriques I, Soares AMVM, Loureiro S. Basagran ® induces developmental malformations and changes the bacterial community of zebrafish embryos. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 221:52-63. [PMID: 27913070 DOI: 10.1016/j.envpol.2016.10.028] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 10/07/2016] [Accepted: 10/08/2016] [Indexed: 06/06/2023]
Abstract
This study aimed to assess the effects of Basagran® on zebrafish (Danio rerio) embryos. The embryos were exposed to Basagran® at concentrations ranging from 120.0 to 480.6 mg/L, and the effects on embryo development (up to 96 h) and bacterial communities of 96 h-larvae were assessed. The embryo development response was time-dependent and concentration-dependent (106.35 < EC50 < 421.58 mg/L). The sensitivity of embryo-related endpoints decreased as follows: blood clotting in the head and/or around the yolk sac > delay or anomaly in yolk sac absorption > change in swimming equilibrium > development of pericardial and/or yolk sac oedema > scoliosis. A PCR-DGGE analysis was used to evaluate changes in the structure, richness, evenness and diversity of bacterial communities after herbicide exposure. A herbicide-induced structural adjustment of bacterial community was observed. In this study, it was successfully demonstrated that Basagran® affected zebrafish embryos and associated bacterial communities, showing time-dependent and concentration-dependent embryos' developmental response and structural changes in bacterial community. Thus, this work provides for the first time a complementary approach, which is useful to derive robust toxicity thresholds considering the embryo-microbiota system as a whole. The aquatic hazard assessment will be strengthened by combining current ecotoxicological tests with molecular microbiology tools.
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Affiliation(s)
- Jacinta M M Oliveira
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Victor Galhano
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Isabel Henriques
- Department of Biology, CESAM & iBiMED, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Amadeu M V M Soares
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Susana Loureiro
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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24
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Félix LM, Serafim C, Valentim AM, Antunes LM, Campos S, Matos M, Coimbra AM. Embryonic Stage-Dependent Teratogenicity of Ketamine in Zebrafish (Danio rerio). Chem Res Toxicol 2016; 29:1298-309. [DOI: 10.1021/acs.chemrestox.6b00122] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Luís M. Félix
- 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
- Laboratory
Animal Science (LAS), Institute for Molecular and Cell Biology (IBMC), University of Porto (UP), Porto, Portugal
- Institute
for Research and Innovation in Health (i3S), University of Porto (UP), Porto, Portugal
| | - Cindy Serafim
- Life
Sciences and Environment School (ECVA), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Ana M. Valentim
- 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
- Laboratory
Animal Science (LAS), Institute for Molecular and Cell Biology (IBMC), University of Porto (UP), Porto, Portugal
- Institute
for Research and Innovation in Health (i3S), University of Porto (UP), Porto, Portugal
| | - Luís M. 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
- Laboratory
Animal Science (LAS), Institute for Molecular and Cell Biology (IBMC), University of Porto (UP), Porto, Portugal
- Institute
for Research and Innovation in Health (i3S), University of Porto (UP), Porto, Portugal
- School
of Agrarian and Veterinary Sciences (ECAV), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Sónia Campos
- 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
- Laboratory
Animal Science (LAS), Institute for Molecular and Cell Biology (IBMC), University of Porto (UP), Porto, Portugal
- Institute
for Research and Innovation in Health (i3S), University of Porto (UP), Porto, Portugal
| | - Manuela Matos
- Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisboa, Lisboa, Portugal
- Department
of Genetics and Biotechnology (DGB), 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
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25
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Verstraelen S, Peers B, Maho W, Hollanders K, Remy S, Berckmans P, Covaci A, Witters H. Phenotypic and biomarker evaluation of zebrafish larvae as an alternative model to predict mammalian hepatotoxicity. J Appl Toxicol 2016; 36:1194-206. [PMID: 26946349 DOI: 10.1002/jat.3288] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 12/15/2015] [Accepted: 12/15/2015] [Indexed: 01/26/2023]
Abstract
Zebrafish phenotypic assays have shown promise to assess human hepatotoxicity, though scoring of liver morphology remains subjective and difficult to standardize. Liver toxicity in zebrafish larvae at 5 days was assessed using gene expression as the biomarker approach, complementary to phenotypic analysis and analytical data on compound uptake. This approach aimed to contribute to improved hepatotoxicity prediction, with the goal of identifying biomarker(s) as a step towards the development of transgenic models for prioritization. Morphological effects of hepatotoxic compounds (acetaminophen, amiodarone, coumarin, methapyrilene and myclobutanil) and saccharin as the negative control were assessed after exposure in zebrafish larvae. The hepatotoxic compounds induced the expected zebrafish liver degeneration or changes in size, whereas saccharin did not have any phenotypic adverse effect. Analytical methods based on liquid chromatography-mass spectrometry were optimized to measure stability of selected compounds in exposure medium and internal concentration in larvae. All compounds were stable, except amiodarone for which precipitation was observed. There was a wide variation between the levels of compound in the zebrafish larvae with a higher uptake of amiodarone, methapyrilene and myclobutanil. Detection of hepatocyte markers (CP, CYP3A65, GC and TF) was accomplished by in situ hybridization of larvae to coumarin and myclobutanil and confirmed by real-time reverse transcription-quantitative polymerase chain reaction. Experiments showed decreased expression of all markers. Next, other liver-specific biomarkers (i.e. FABP10a and NR1H4) and apoptosis (i.e. CASP-3 A and TP53) or cytochrome P450-related (CYP2K19) and oxidoreductase activity-related (ZGC163022) genes, were screened. Links between basic mechanisms of liver injury and results of biomarker responses are described. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Sandra Verstraelen
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium
| | - Bernard Peers
- GIGA-R, University of Liège, Avenue de l'Hopital 1, B34, B-4000, Liège, Belgium
| | - Walid Maho
- Toxicological Center, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Karen Hollanders
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium
| | - Sylvie Remy
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium.,Epidemiology and Social Medicine, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Pascale Berckmans
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium
| | - Adrian Covaci
- Toxicological Center, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Hilda Witters
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium
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26
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Glisic B, Hrubik J, Fa S, Dopudj N, Kovacevic R, Andric N. Transcriptional profiles of glutathione-S-Transferase isoforms, Cyp, and AOE genes in atrazine-exposed zebrafish embryos. ENVIRONMENTAL TOXICOLOGY 2016; 31:233-244. [PMID: 25158112 DOI: 10.1002/tox.22038] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Revised: 08/06/2014] [Accepted: 08/10/2014] [Indexed: 06/03/2023]
Abstract
Glutathione-S-transferase (GST) superfamily consists of multiple members involved in xenobiotic metabolism. Expressional pattern of the GST isoforms in adult fish has been used as a biomarker of exposure to environmental chemicals. However, GST transcriptional responses vary across organs, thus requiring a cross-tissue examination of multiple mRNAs for GST profiling in an animal after chemical exposure. Zebrafish embryos express all GST isoforms as adult fish and could therefore represent an alternative model for identification of biomarkers of exposure. To evaluate such a possibility, we studied a set of cytosolic and microsomal GST isoform-specific expression profiles in the zebrafish embryos after exposure to atrazine, a widely used herbicide. Expression of the GST isoforms was compared with that of CYP genes involved in the phase I of xenobiotic metabolism and antioxidant enzyme (AOE) genes. Using quantitative real-time PCR, we showed dynamic changes in the expressional pattern of twenty GST isoforms, cyp1a, cyp3a65, ahr2, and four AOEs in early development of zebrafish. Acute (48 and 72 h) exposure of 24 h-old embryos to atrazine, from environmentally relevant (0.005 mg/L) to high (40 mg/L) concentrations, caused a variety of transient, albeit minor changes (<2.5-fold) in the GST isoforms, ahr2 and AOE genes response. However, expression of cyp1a and cyp3a65 mRNA was markedly and consistently induced by high doses of atrazine (5 and 40 mg/L). In summary, an analysis of the response of multiple systems in the zebrafish embryos provided a comprehensive understanding of atrazine toxicity and its potential impact on biological processes.
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Affiliation(s)
- Branka Glisic
- Molecular and Reproductive Toxicology Unit, Laboratory for Ecotoxicology, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Novi Sad, 21000, Serbia
| | - Jelena Hrubik
- Molecular and Reproductive Toxicology Unit, Laboratory for Ecotoxicology, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Novi Sad, 21000, Serbia
| | - Svetlana Fa
- Molecular and Reproductive Toxicology Unit, Laboratory for Ecotoxicology, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Novi Sad, 21000, Serbia
| | - Nela Dopudj
- Molecular and Reproductive Toxicology Unit, Laboratory for Ecotoxicology, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Novi Sad, 21000, Serbia
| | - Radmila Kovacevic
- Molecular and Reproductive Toxicology Unit, Laboratory for Ecotoxicology, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Novi Sad, 21000, Serbia
| | - Nebojsa Andric
- Molecular and Reproductive Toxicology Unit, Laboratory for Ecotoxicology, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Novi Sad, 21000, Serbia
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27
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Hrubik J, Glisic B, Fa S, Pogrmic-Majkic K, Andric N. Erk-Creb pathway suppresses glutathione- S -transferase pi expression under basal and oxidative stress conditions in zebrafish embryos. Toxicol Lett 2016; 240:81-92. [DOI: 10.1016/j.toxlet.2015.10.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 10/14/2015] [Accepted: 10/15/2015] [Indexed: 11/16/2022]
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28
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Nishimura Y, Inoue A, Sasagawa S, Koiwa J, Kawaguchi K, Kawase R, Maruyama T, Kim S, Tanaka T. Using zebrafish in systems toxicology for developmental toxicity testing. Congenit Anom (Kyoto) 2016; 56:18-27. [PMID: 26537640 DOI: 10.1111/cga.12142] [Citation(s) in RCA: 131] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 10/27/2015] [Indexed: 12/20/2022]
Abstract
With the high cost and the long-term assessment of developmental toxicity testing in mammals, the vertebrate zebrafish has become a useful alternative model organism for high-throughput developmental toxicity testing. Zebrafish is also very favorable for the 3R perspective in toxicology; however, the methodologies used by research groups vary greatly, posing considerable challenges to integrative analysis. In this review, we discuss zebrafish developmental toxicity testing, focusing on the methods of chemical exposure, the assessment of morphological abnormalities, housing conditions and their effects on the production of healthy embryos, and future directions. Zebrafish as a systems toxicology model has the potential to elucidate developmental toxicity pathways, and to provide a sound basis for human health risk assessments.
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Affiliation(s)
- Yuhei Nishimura
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Tsu, Mie.,Mie University Medical Zebrafish Research Center, Tsu, Mie.,Department of Systems Pharmacology, Mie University Graduate School of Medicine, Tsu, Mie.,Department of Omics Medicine, Mie University Industrial Technology Innovation Institute, Tsu, Mie.,Department of Bioinformatics, Mie University Life Science Research Center, Tsu, Mie
| | | | - Shota Sasagawa
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Tsu, Mie
| | - Junko Koiwa
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Tsu, Mie
| | - Koki Kawaguchi
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Tsu, Mie
| | - Reiko Kawase
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Tsu, Mie
| | | | - Soonih Kim
- Ono Pharmaceutical Co, Ltd, Osaka, Japan
| | - Toshio Tanaka
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Tsu, Mie.,Mie University Medical Zebrafish Research Center, Tsu, Mie.,Department of Systems Pharmacology, Mie University Graduate School of Medicine, Tsu, Mie.,Department of Omics Medicine, Mie University Industrial Technology Innovation Institute, Tsu, Mie.,Department of Bioinformatics, Mie University Life Science Research Center, Tsu, Mie
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29
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Van Der Kraak GJ, Hosmer AJ, Hanson ML, Kloas W, Solomon KR. Effects of atrazine in fish, amphibians, and reptiles: an analysis based on quantitative weight of evidence. Crit Rev Toxicol 2015; 44 Suppl 5:1-66. [PMID: 25375889 DOI: 10.3109/10408444.2014.967836] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A quantitative weight of evidence (WoE) approach was developed to evaluate studies used for regulatory purposes, as well as those in the open literature, that report the effects of the herbicide atrazine on fish, amphibians, and reptiles. The methodology for WoE analysis incorporated a detailed assessment of the relevance of the responses observed to apical endpoints directly related to survival, growth, development, and reproduction, as well as the strength and appropriateness of the experimental methods employed. Numerical scores were assigned for strength and relevance. The means of the scores for relevance and strength were then used to summarize and weigh the evidence for atrazine contributing to ecologically significant responses in the organisms of interest. The summary was presented graphically in a two-dimensional graph which showed the distributions of all the reports for a response. Over 1290 individual responses from studies in 31 species of fish, 32 amphibians, and 8 reptiles were evaluated. Overall, the WoE showed that atrazine might affect biomarker-type responses, such as expression of genes and/or associated proteins, concentrations of hormones, and biochemical processes (e.g. induction of detoxification responses), at concentrations sometimes found in the environment. However, these effects were not translated to adverse outcomes in terms of apical endpoints. The WoE approach provided a quantitative, transparent, reproducible, and robust framework that can be used to assist the decision-making process when assessing environmental chemicals. In addition, the process allowed easy identification of uncertainty and inconsistency in observations, and thus clearly identified areas where future investigations can be best directed.
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30
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Zhai Z, Wu J, Hu X, Li L, Guo J, Zhang B, Hu J, Zhang J. A 17-fold increase of trifluoroacetic acid in landscape waters of Beijing, China during the last decade. CHEMOSPHERE 2015; 129:110-7. [PMID: 25262947 DOI: 10.1016/j.chemosphere.2014.09.033] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 09/03/2014] [Accepted: 09/03/2014] [Indexed: 05/06/2023]
Abstract
The concentrations of trifluoroacetic acid (TFA) were measured in urban landscape waters, tap water and snows in Beijing, China in 2012. Compared with the 2002 measurements, a 17-fold increase from 23-98ngL(-1) to 345-828ngL(-1) was observed for TFA concentrations in urban landscape waters, and an obvious increase from not detected (n.d.) to 155ngL(-1) occurred to TFA in tap water. By flux estimation between air and water interface, the remarkable increase of TFA was attributable to dry and wet deposition. The quantitative water-air-sediment interaction (QWASI) model simulated TFAs in various environmental media and showed that, over 99% of TFA distributed in water bodies. Our results recommend that measures are needed to control the increase of TFA in China.
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Affiliation(s)
- Zihan Zhai
- Collaborative Innovation Center for Regional Environmental Quality, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Jing Wu
- Collaborative Innovation Center for Regional Environmental Quality, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China; China Waterborne Transport Research Institute, Beijing 100088, China
| | - Xia Hu
- Collaborative Innovation Center for Regional Environmental Quality, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Li Li
- Collaborative Innovation Center for Regional Environmental Quality, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Junyu Guo
- Collaborative Innovation Center for Regional Environmental Quality, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Boya Zhang
- School of Public Health, Peking University, Beijing 100191, China
| | - Jianxin Hu
- Collaborative Innovation Center for Regional Environmental Quality, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Jianbo Zhang
- Collaborative Innovation Center for Regional Environmental Quality, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China.
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Vallverdú-Queralt A, Boix N, Piqué E, Gómez-Catalan J, Medina-Remon A, Sasot G, Mercader-Martí M, Llobet JM, Lamuela-Raventos RM. Identification of phenolic compounds in red wine extract samples and zebrafish embryos by HPLC-ESI-LTQ-Orbitrap-MS. Food Chem 2015; 181:146-51. [PMID: 25794733 DOI: 10.1016/j.foodchem.2015.02.098] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 02/16/2015] [Accepted: 02/18/2015] [Indexed: 10/24/2022]
Abstract
The zebrafish embryo is a highly interesting biological model with applications in different scientific fields, such as biomedicine, pharmacology and toxicology. In this study, we used liquid chromatography/electrospray ionisation-linear ion trap quadrupole-Orbitrap-mass spectrometry (HPLC/ESI-LTQ-Orbitrap-MS) to identify the polyphenol compounds in a red wine extract and zebrafish embryos. Phenolic compounds and anthocyanin metabolites were determined in zebrafish embryos previously exposed to the red wine extract. Compounds were identified by injection in a high-resolution system (LTQ-Orbitrap) using accurate mass measurements in MS, MS(2) and MS(3) modes. To our knowledge, this research constitutes the first comprehensive identification of phenolic compounds in zebrafish by HPLC coupled to high-resolution mass spectrometry.
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Affiliation(s)
- Anna Vallverdú-Queralt
- INRA, UMR1083 Sciences pour l'œnologie, 2 Place Pierre Viala, Montpellier Cedex 34060, France; Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (ciberobn), Instituto de Salud Carlos III, Sinesio Delgado 4, 28029 Madrid, Spain; INSA-UB, Nutrition and Food Safety Research Institute, University of Barcelona, Food and Nutrition Torribera Campus, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain.
| | - Nuria Boix
- GRET-CERETOX and Toxicology Unit, Pharmacology and Therapeutical Chemistry, Pharmacy School, University of Barcelona, Avda Joan XXIII s/n, 08028 Barcelona, Spain; INSA-UB, Nutrition and Food Safety Research Institute, University of Barcelona, Food and Nutrition Torribera Campus, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain.
| | - Ester Piqué
- GRET-CERETOX and Toxicology Unit, Pharmacology and Therapeutical Chemistry, Pharmacy School, University of Barcelona, Avda Joan XXIII s/n, 08028 Barcelona, Spain; INSA-UB, Nutrition and Food Safety Research Institute, University of Barcelona, Food and Nutrition Torribera Campus, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain.
| | - Jesús Gómez-Catalan
- GRET-CERETOX and Toxicology Unit, Pharmacology and Therapeutical Chemistry, Pharmacy School, University of Barcelona, Avda Joan XXIII s/n, 08028 Barcelona, Spain; INSA-UB, Nutrition and Food Safety Research Institute, University of Barcelona, Food and Nutrition Torribera Campus, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain.
| | - Alexander Medina-Remon
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (ciberobn), Instituto de Salud Carlos III, Sinesio Delgado 4, 28029 Madrid, Spain; INSA-UB, Nutrition and Food Safety Research Institute, University of Barcelona, Food and Nutrition Torribera Campus, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain; Nutrition and Food Science Department, XaRTA, Pharmacy School, University of Barcelona, Avda Joan XXIII s/n, 08028 Barcelona, Spain.
| | - Gemma Sasot
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (ciberobn), Instituto de Salud Carlos III, Sinesio Delgado 4, 28029 Madrid, Spain; Nutrition and Food Science Department, XaRTA, Pharmacy School, University of Barcelona, Avda Joan XXIII s/n, 08028 Barcelona, Spain.
| | | | - Juan M Llobet
- GRET-CERETOX and Toxicology Unit, Pharmacology and Therapeutical Chemistry, Pharmacy School, University of Barcelona, Avda Joan XXIII s/n, 08028 Barcelona, Spain; INSA-UB, Nutrition and Food Safety Research Institute, University of Barcelona, Food and Nutrition Torribera Campus, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain.
| | - Rosa M Lamuela-Raventos
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (ciberobn), Instituto de Salud Carlos III, Sinesio Delgado 4, 28029 Madrid, Spain; INSA-UB, Nutrition and Food Safety Research Institute, University of Barcelona, Food and Nutrition Torribera Campus, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain; Nutrition and Food Science Department, XaRTA, Pharmacy School, University of Barcelona, Avda Joan XXIII s/n, 08028 Barcelona, Spain.
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Nishimura Y, Murakami S, Ashikawa Y, Sasagawa S, Umemoto N, Shimada Y, Tanaka T. Zebrafish as a systems toxicology model for developmental neurotoxicity testing. Congenit Anom (Kyoto) 2015; 55:1-16. [PMID: 25109898 DOI: 10.1111/cga.12079] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Accepted: 07/29/2014] [Indexed: 12/18/2022]
Abstract
The developing brain is extremely sensitive to many chemicals. Exposure to neurotoxicants during development has been implicated in various neuropsychiatric and neurological disorders, including autism spectrum disorder, attention deficit hyperactive disorder, schizophrenia, Parkinson's disease, and Alzheimer's disease. Although rodents have been widely used for developmental neurotoxicity testing, experiments using large numbers of rodents are time-consuming, expensive, and raise ethical concerns. Using alternative non-mammalian animal models may relieve some of these pressures by allowing testing of large numbers of subjects while reducing expenses and minimizing the use of mammalian subjects. In this review, we discuss some of the advantages of using zebrafish in developmental neurotoxicity testing, focusing on central nervous system development, neurobehavior, toxicokinetics, and toxicodynamics in this species. We also describe some important examples of developmental neurotoxicity testing using zebrafish combined with gene expression profiling, neuroimaging, or neurobehavioral assessment. Zebrafish may be a systems toxicology model that has the potential to reveal the pathways of developmental neurotoxicity and to provide a sound basis for human risk assessments.
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Affiliation(s)
- Yuhei Nishimura
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Tsu, Japan; Mie University Medical Zebrafish Research Center, Tsu, Japan; Depertment of Systems Pharmacology, Mie University Graduate School of Medicine, Tsu, Japan; Department of Omics Medicine, Mie University Industrial Technology Innovation Institute, Tsu, Japan; Department of Bioinformatics, Mie University Life Science Research Center, Tsu, Japan
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Guo Q, Yang W, Xiao B, Zhang H, Lei X, Ou H, Qin R, Jin R. Study on early biomarkers of zebrafish liver injury induced by acetaminophen. TOXIN REV 2014. [DOI: 10.3109/15569543.2014.986282] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Brox S, Ritter AP, Küster E, Reemtsma T. Influence of the perivitelline space on the quantification of internal concentrations of chemicals in eggs of zebrafish embryos (Danio rerio). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 157:134-140. [PMID: 25456227 DOI: 10.1016/j.aquatox.2014.10.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Revised: 10/06/2014] [Accepted: 10/12/2014] [Indexed: 06/04/2023]
Abstract
The chorion and the perivitelline space which surround unhatched zebrafish embryos (ZFE, Danio rerio) may affect the determination of internal concentrations of study compounds taken up in early life-stages of ZFE. Internal concentration-time profiles were gathered for benzocaine, caffeine, clofibric acid, metribuzin and phenacetin as study compounds over 96 h of exposure starting with ZFE at 4h post-fertilization. Liquid chromatography coupled to tandem-mass spectrometry (LC-MS/MS) was used to determine the concentration of the study compounds from intact (i.e. unhatched), dechorionated and from hatched ZFE. The mass of the study compounds per ZFE was 5-30 ng higher for intact ZFE compared to dechorionated ones. Thus, internal concentrations were overestimated if only intact ZFE were analyzed. Dechorionation of unhatched ZFE after their exposure is proposed to determine the true internal concentration in the embryo. For the compounds studied here the mass of the study compounds determined in unhatched ZFE after a short term (5 min) exposure provided a reasonable estimate of the mass taken up by the chorion and the PVS. This mass can be subtracted from the total mass found in unhatched ZFE to calculate the true internal mass. Estimating the mass in the chorion and the PVS from the concentration of the study compound in the external exposure medium and the volume of the PVS provided no reasonable results.
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Affiliation(s)
- Stephan Brox
- Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany
| | - Axel P Ritter
- Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany
| | - Eberhard Küster
- Department Bioanalytical Ecotoxicology, Helmholtz Centre for Environmental Research - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany
| | - Thorsten Reemtsma
- Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany.
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Chen W, Cai Q, Zhao Y, Zheng G, Liang Y. Toxicity evaluation of pig slurry using luminescent bacteria and zebrafish. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2014; 11:6856-70. [PMID: 24995598 PMCID: PMC4113850 DOI: 10.3390/ijerph110706856] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 06/09/2014] [Accepted: 06/18/2014] [Indexed: 11/25/2022]
Abstract
Biogas slurry has become a serious pollution problem and anaerobic digestion is widely applied to pig manure treatment for environmental protection and energy recovery. To evaluate environmental risk of the emission of biogas slurry, luminescent bacteria (Vibrio fischeri), larvae and embryos of zebrafish (Danio rerio) were used to detect the acute and development toxicity of digested and post-treated slurry. Then the ability of treatment process was evaluated. The results showed that digested slurry displayed strong toxicity to both zebrafish and luminescent bacteria, while the EC50 for luminescent bacteria and the LC50 for larvae were only 6.81% (v/v) and 1.95% (v/v) respectively, and embryonic development was inhibited at just 1% (v/v). Slurry still maintained a high level of toxicity although it had been treated by membrane bioreactor (MBR), while the LC50 of larvae was 75.23% (v/v) and there was a little effect on the development of embryos and V. fischeri; the results also revealed that the zebrafish larvae are more sensitive than embryos and luminescent bacteria to pig slurry. Finally, we also found the toxicity removal rate was higher than 90% after the treatment of MBR according to toxicity tests. In conclusion, further treatment should be used in pig slurry disposal or reused of final effluent.
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Affiliation(s)
- Wenyan Chen
- School of Environmental and Safety Engineering, Changzhou University, No. 1 GeHu Road, Wu Jin District, Changzhou 213164, Jiangsu,China.
| | - Qiang Cai
- Yangtze Delta Region Institute of Tsinghua University, No. 705, Yatai Road, Nanhu District, Jiaxing 314006, Zhejiang, China.
| | - Yuan Zhao
- School of Environmental and Safety Engineering, Changzhou University, No. 1 GeHu Road, Wu Jin District, Changzhou 213164, Jiangsu,China.
| | - Guojuan Zheng
- Yangtze Delta Region Institute of Tsinghua University, No. 705, Yatai Road, Nanhu District, Jiaxing 314006, Zhejiang, China.
| | - Yuting Liang
- Institute of Soil Science, Chinese Academy of Science, No. 71, Beijing East Road, Nanjing 210008, Jiangsu, China.
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Wang Q, Wang X, Ding X. Rainwater trifluoroacetic acid (TFA) in Guangzhou, South China: levels, wet deposition fluxes and source implication. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 468-469:272-9. [PMID: 24035981 DOI: 10.1016/j.scitotenv.2013.08.055] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Revised: 08/14/2013] [Accepted: 08/17/2013] [Indexed: 05/06/2023]
Abstract
The origin of trifluoroacetic acid (TFA) occurring in hydrosphere has long been a controversial issue. Hydrochlorofluorocarbons and hydrofluorocarbons (HCFCs/HFCs) as replacements of chlorofluorocarbons (CFCs) are precursors of TFA in the atmosphere, their contribution to rainwater TFA is a concern as their ambient mixing ratios are continually growing. Here we present rainwater TFA monitored from April 2007 to March 2008 in urban Guangzhou, a central city in south China's highly industrialized and densely populated Pearl River Delta region. Rainwater TFA levels ranged 45.8-974 ng L(-1) with a median of 166 ng L(-1). TFA levels negatively correlated with rainfall amount, the yearly rainfall-weighted average for TFA was 152 ng L(-1). The annual TFA wet deposition flux was estimated to be 229 g km(-2) yr(-1), and the total wet deposition of TFA reached ~1.7 tyr(-1) in Guangzhou. The Two-Box model was applied to estimate attributions of HCFCs/HFCs and fluoropolymers to rainwater TFA assuming TFA generated was proportional to gross domestic product (GDP), gross industrial product (GIP) or number of private cars. The results revealed that the degradation of HCFCs/HFCs and fluoropolymers could explain 131.5-152.4 ng L(-1) rainwater TFA, quite near the observed rainfall-weighted annual mean of 152 ng L(-1), suggesting rainwater TFA in Guangzhou was predominantly originated from these anthropogenic precursors. HCFCs/HFCs accounted for 83.3-96.5% of rainwater TFA observed, while fluoropolymers' contributions were minor (~5%). HFC-134a alone could explain 55.9-90.0% of rainwater TFA, and its contribution would be greatly enhanced with its wide use in mobile air conditioning systems and rapid increase in ambient mixing ratios.
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Affiliation(s)
- Qiaoyun Wang
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; Guangzhou Institute of Measuring and Testing Technology, Guangzhou 510663, China
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37
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Petersen K, Fetter E, Kah O, Brion F, Scholz S, Tollefsen KE. Transgenic (cyp19a1b-GFP) zebrafish embryos as a tool for assessing combined effects of oestrogenic chemicals. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2013; 138-139:88-97. [PMID: 23721851 DOI: 10.1016/j.aquatox.2013.05.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 04/22/2013] [Accepted: 05/01/2013] [Indexed: 06/02/2023]
Abstract
Endocrine disrupting chemicals and especially oestrogen receptor (ER) agonists have been extensively studied over the years due to their potential effects on sexual development and reproduction in vertebrates, notably fish. As ER agonists can exist as complex mixtures in the aquatic environment, evaluating the impact of combined exposure on oestrogenic effects has become increasingly important. Use of predictive models such as concentration addition (CA) and independent action (IA) has allowed assessment of combined estrogenic effects of complex multi-compound mixtures of ER agonists in various fish in vitro and in vivo experimental models. The present work makes use of a transgenic zebrafish strain, tg(cyp19a1b-GFP), which expresses the green fluorescent protein (GFP) under the control of the cyp19a1b (brain aromatase or aromatase B) gene to determine the oestrogenic potency of ER agonists alone or in mixtures. In these studies, tg(cyp19a1b-GFP) zebrafish embryos were exposed for four days (from one to five days post fertilization) to five different oestrogenic chemicals; 17α-ethinylestradiol (EE2), 17β-estradiol (E2), estrone (E1), bisphenol A (BPA) and 4-tert-octylphenol (OP), and three mixtures of up to four of these compounds. The mixture of BPA, OP and E2 was also tested with primary cultures of rainbow trout hepatocytes by analysing the ER-mediated induction of the oestrogenic biomarker vitellogenin in order to compare the performance of the two methods for assessing oestrogenic effects of complex mixtures. The three tested mixtures were predominantly acting in an additive manner on the expression of GFP. Additivity was indicated by the overlap of the 95% confidence interval of the concentration response curves for the observed data with the CA and IA prediction models, and model deviation ratios within a factor of two for a majority of the mixture concentrations. However, minor deviations determined as more than additive effects for the mixture of EE2, E1 and E2 and less than additive effects for the mixture of BPA, OP, EE2 and E1 were observed at the higher mixture concentrations tested. The successful prediction of additivity by CA and IA in tg(cyp19a1b-GFP) zebrafish embryos and deviations at high mixture concentrations seemed to correspond well to results obtained in the rainbow trout hepatocyte assay. The present results clearly show the usefulness of combining predictive modelling and use of in vitro bioassays for rapid screening of oestrogenic effects of complex mixtures and environmental samples.
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Affiliation(s)
- Karina Petersen
- Norwegian Institute for Water Research-NIVA, Gaustadalleen 21, N-0349 Oslo, Norway.
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Kühnert A, Vogs C, Altenburger R, Küster E. The internal concentration of organic substances in fish embryos--a toxicokinetic approach. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2013; 32:1819-1827. [PMID: 23605957 DOI: 10.1002/etc.2239] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 01/22/2013] [Accepted: 04/05/2013] [Indexed: 06/02/2023]
Abstract
In ecotoxicity assessment, the ambient exposure concentration is typically applied to quantify the toxic potential of xenobiotic substances. However, exposure and organism-related differences in bioconcentration often cause a considerable variability of toxicity data. This can be minimized by using the internal organism concentration, because toxicokinetic modifying factors are considered implicitly. In the present study, the relationship between ambient and internal concentration-time profiles was investigated for zebrafish (Danio rerio) embryos. The aim was to gain a better understanding and interpretation of exposure-based methods using this model organism. For this purpose, a simple and effective approach to determine the internal concentration was developed. Embryos were exposed to a series of 4 neutral organic substances (naphthalene, fluorene, fluoranthene, benz[a]anthracene) of different hydrophobicity for 72 h. The internal and ambient concentrations were measured at 8 to 9 time points. Kinetics of uptake and elimination were modeled using a first-order 1-compartment model. Biotransformation processes appeared to influence the internal concentrations of fluoranthene and benz[a]anthracene after 48 h. The bioconcentration factors (BCFs) obtained are in excellent agreement with those determined in previous studies using radiolabeled substances. The method demonstrated in the present study is a further step toward a refined ecotoxicity assessment using fish embryos, which links toxicity to the chemical concentration within the organism. This system may also be considered as an alternative to animal testing for BCF determination.
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Affiliation(s)
- Agnes Kühnert
- Department Bioanalytical Ecotoxicology, Helmholtz Centre for Environmental Research-UFZ, Leipzig, Germany.
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Weber GJ, Sepúlveda MS, Peterson SM, Lewis SS, Freeman JL. Transcriptome alterations following developmental atrazine exposure in zebrafish are associated with disruption of neuroendocrine and reproductive system function, cell cycle, and carcinogenesis. Toxicol Sci 2013; 132:458-66. [PMID: 23358194 DOI: 10.1093/toxsci/kft017] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Atrazine, a herbicide commonly applied to agricultural areas and a common contaminant of potable water supplies, is implicated as an endocrine-disrupting chemical (EDC) and potential carcinogen. Studies show that EDCs can cause irreversible changes in tissue formation, decreased reproductive potential, obesity, and cancer. The U.S. Environmental Protection Agency considers an atrazine concentration of ≤ 3 ppb in drinking water safe for consumption. The specific adverse human health effects associated with a developmental atrazine exposure and the underlying genetic mechanisms of these effects are not well defined. In this study, zebrafish embryos were exposed to a range of atrazine concentrations to establish toxicity. Morphological, transcriptomic, and protein alterations were then assessed at 72h postfertilization following developmental atrazine exposure at 0, 0.3, 3, or 30 ppb. A significant increase in head length was observed in all three atrazine treatments. Transcriptomic profiles revealed 21, 62, and 64 genes with altered expression in the 0.3, 3, and 30 ppb atrazine treatments, respectively. Altered genes were associated with neuroendocrine and reproductive system development, function, and disease; cell cycle control; and carcinogenesis. There was a significant overlap (42 genes) between the 3 and 30 ppb differentially expressed gene lists, with two of these genes (CYP17A1 and SAMHD1) present in all three atrazine treatments. Increased transcript levels were translated to significant upregulation in protein expression. Overall, this study identifies genetic and molecular targets altered in response to a developmental atrazine exposure to further define the biological pathways and mechanisms of toxicity.
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Affiliation(s)
- Gregory J Weber
- School of Health Sciences, Purdue University, West Lafayette, Indiana 47907, USA
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Zhang C, Willett C, Fremgen T. Zebrafish: an animal model for toxicological studies. ACTA ACUST UNITED AC 2013; Chapter 1:Unit1.7. [PMID: 23045087 DOI: 10.1002/0471140856.tx0107s17] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Zebrafish (Danio rerio) has been extensively studied and well described for environmental toxicity studies. Molecular biology and genetics have recently been used to elucidate the underlying mechanisms of toxicity in zebrafish and to predict effects in mammals. The versatile zebrafish is now incorporated in many areas of toxicological programs for assessing human risk and for preclinical drug discovery and screening.
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Kreutz LC, Barcellos LJG, dos Santos ED, Pivato M, Zanatta R. Innate immune response of silver catfish (Rhamdia quelen) exposed to atrazine. FISH & SHELLFISH IMMUNOLOGY 2012; 33:1055-1059. [PMID: 22922334 DOI: 10.1016/j.fsi.2012.08.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2012] [Revised: 08/03/2012] [Accepted: 08/08/2012] [Indexed: 06/01/2023]
Abstract
The impact of agrichemicals on aquatic vertebrate species has been a matter of increasing concern to researchers and environmentalist. In the present study, we evaluated the effects of a sublethal concentration of atrazine (10% of the LC(50-96 h)), a world-wide used herbicide, on the innate immune system of silver catfish (Rhamdia quelen). A significant reduction on phagocytic index, bacteria agglutination and bactericidal activity of the serum, serum lysozyme and total serum peroxidase activity was observed in fish exposed to atrazine for 24 h. After 10 days exposure to atrazine, only bactericidal activity of the serum, bacteria agglutination and total serum peroxidase activity were significantly reduced. Atrazine had no effect on the natural complement hemolytic activity. Our results demonstrate that atrazine decreases the innate immune response of fingerlings, which might increase its susceptibility to opportunistic pathogens.
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Affiliation(s)
- Luiz Carlos Kreutz
- Universidade de Passo Fundo, Faculdade de Agronomia e Medicina Veterinária, Campus I, Bairro São José, BR 282, km 171, 99052-900 Passo Fundo, RS, Brazil.
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Metabolism of tanshinone IIA, cryptotanshinone and tanshinone I from Radix Salvia miltiorrhiza in zebrafish. Molecules 2012; 17:8617-32. [PMID: 22810195 PMCID: PMC6269062 DOI: 10.3390/molecules17078617] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Revised: 07/09/2012] [Accepted: 07/10/2012] [Indexed: 01/02/2023] Open
Abstract
The study aimed to investigate the potential of zebrafish in imitating mammal phase I metabolism of natural compounds. Three diterpenoid quinones from Radix Salvia miltiorrhiza, namely tanshinone IIA (TIIA), cryptotanshinone (Cry) and tanshinone I (TI) were selected as model compounds, and their metabolites mediated by zebrafish were characterized using a high-performance liquid chromatography coupled ion-trap mass spectrometry (HPLC/IT-MSn) method with electrospray ionization in positive mode. The separation was performed with a Zorbax C-18 column using a binary gradient elution of 0.05% formic acid acetonitrile/0.05% formic acid water. According to the MS spectra and after comparison with reference standards and literature reports, hydroxylation, dehydrogenation or D-ring hydrolysis metabolites of TIIA and Cry but not of TI were characterized, which coincided with those reported using regular in vivo or in vitro metabolic analysis methods, thus verifying that zebrafish can successfully imitate mammalian phase I metabolism which instills further confidence in using zebrafish as a novel and prospective metabolism model.
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El-Amrani S, Pena-Abaurrea M, Sanz-Landaluze J, Ramos L, Guinea J, Cámara C. Bioconcentration of pesticides in zebrafish eleutheroembryos (Danio rerio). THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 425:184-190. [PMID: 22464960 DOI: 10.1016/j.scitotenv.2012.02.065] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 02/20/2012] [Accepted: 02/26/2012] [Indexed: 05/31/2023]
Abstract
The feasibility of a bioaccumulation test based on the use of zebrafish eleutheroembryos as an alternative to adult-individual-based approaches for REACH application has been evaluated for three test compounds, chlorpyrifos, dicofol and atrazine. Following the OECD 305 guidelines, zebrafish eleutheroembryos (72 h after hatching, hpf) were separately exposed to the investigated pesticides at two nominal concentrations below 1% of its corresponding LC(50). The uptake experiments lasted for 48 h. Then, the exposure medium was replaced by a non-contaminated medium for depuration experiments (up to 72 h). Zebrafish eleutheroembryos (larvae 144 hpf, i.e. at the end of the depuration step) and their corresponding exposure media was sampled at ten different times during each experiment and the concentration of the investigated pesticide determined in both the organisms and in the exposure medium. The experimentally determined pesticide accumulation profiles in the eleutheroembryos demonstrated that atrazine has a very fast accumulation kinetic, reaching steady sate (SS) within 24h. Chlorpyrifos and dicofol did not reach the SS within the 48-h uptake experiments although they exhibit higher accumulations than the former pesticide. Two toxicokinetic models were used to calculate the bioconcentration factor (BCF) of the studied pesticide in zebrafish eleutheroembryos. In the former, the BCF was calculated under SS conditions (BCF(SS)). The second was used when the compounds did not reach the SS during the uptake experiment (BCF(k)). Log BCF values of 3.55 and 3.84 for chlorpyrifos; 0.6 and 1.17 for atrazine, and 3.90 for dicofol were experimentally calculated at selected exposure concentrations. These values have been compared with those reported in related bioaccumulation studies and official databases.
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Affiliation(s)
- S El-Amrani
- Department of Analytical Chemistry, Faculty of Chemistry, University Complutense de Madrid, Ciudad Universitaria, 28040 Madrid, Spain
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Xing H, Wang X, Sun G, Gao X, Xu S, Wang X. Effects of atrazine and chlorpyrifos on activity and transcription of glutathione S-transferase in common carp (Cyprinus carpio L.). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2012; 33:233-244. [PMID: 22236720 DOI: 10.1016/j.etap.2011.12.014] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2011] [Revised: 09/20/2011] [Accepted: 12/17/2011] [Indexed: 05/31/2023]
Abstract
Glutathione S-transferase isoenzymes (GSTs) play a critical role in detoxification pathways. Here we report the tissue distribution of four antioxidant GSTs gene in common carp, and their expression profiles. We also investigated the GSTs activity in different tissues after exposure to the agricultural chemicals atrazine (ATR), chlorpyrifos (CPF), and their mixture. Relative changes in the mRNA abundance of the GST isoforms were examined by real time PCR in liver, brain, kidney and gill of common carp. After exposure and recovery, we observed a statistically significant decrease in the GSTs activity in animals exposed to high concentrations of ATR (428 μg/L), CPF (116 μg/L), and their mixture (113 μg/L). At basal levels of tissue expression, four GSTs transcript were detected in liver, brain, kidney, and gill. High expression levels were found in all examined tissues. Transcription of some GST isoforms, GST kappa (GSTK), GST theta (GSTT) and GST rho (GSTR), decreased after exposure to CPF and ATR for the entire experimental period in both the kidney and gill. However, increased transcription of GST mu (GSTM) was observed in the kidney or gill 20 d after exposure to ATR or CPF, respectively. Transcription of both GSTT and GSTR was inhibited for the entire experimental period in the brain, kidney and gill of animals exposed to the ATR/CPF mixture, but transcription of GSTM was induced in the liver after 40 d of exposure. In summary, changes in the GSTs activity and their transcription varied within each organ and among organs of common carp after exposure to ATR, CPF, and their mixture.
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Affiliation(s)
- Houjuan Xing
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin 150030, China
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Li C, Luo L, Awerman J, McGrath P. Whole Zebrafish Cytochrome P450 Assay for Assessing Drug Metabolism and Safety. Zebrafish 2011. [DOI: 10.1002/9781118102138.ch9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Zhu L, Dong X, Xie H, Wang J, Wang J, Su J, Yu C. DNA damage and effects on glutathione-S-transferase activity induced by atrazine exposure in zebrafish (Danio rerio). ENVIRONMENTAL TOXICOLOGY 2011; 26:480-488. [PMID: 20549606 DOI: 10.1002/tox.20575] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2009] [Revised: 01/19/2010] [Accepted: 01/26/2010] [Indexed: 05/29/2023]
Abstract
This study was undertaken to investigate the protective effect of atrazine (2-chloro-4-(ethylamino)-6-(isopropylamino)-S-triazine) on the activity of glutathione-S-transferase (GST) and DNA damage in males and females of adult zebrafish (Danio rerio). Zebrafish were exposed to control and three treatments (0.01, 0.1, and 1 mg/L) of atrazine for 5, 10, 15, 20, and 25 days. The results indicated that, for males, the GST activity at lower atrazine concentrations (0.01 and 0.1 mg/L) was markedly higher than that of the controls throughout the duration of the experiment while there was a significant inhibition of the GST activity at 1 mg/L atrazine at days 5 and 20. For females, a significant increase was detected at 0.1 mg/L on the days 5 and 15 and at 0.01 mg/L on day 20. The DNA damage in zebrafish was evaluated using the comet assay; the olive tail moments obtained for hepatopancreas were enhanced after treatment with different concentrations of atrazine on days 5, 10, 15, 20, and 25. The DNA damage increased with increasing atrazine concentrations, indicating that genotoxicity of atrazine and significant differences was found compared to the controls. In conclusion, these findings provide further evidence of the effects of atrazine on aquatic ecosystems.
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Affiliation(s)
- Lusheng Zhu
- College of Resources and Environment, Shandong Agriculture University, Taian 271018, China.
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Delvecchio C, Tiefenbach J, Krause HM. The zebrafish: a powerful platform for in vivo, HTS drug discovery. Assay Drug Dev Technol 2011; 9:354-61. [PMID: 21309713 DOI: 10.1089/adt.2010.0346] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The zebrafish (Danio rerio) is an emerging vertebrate model for drug discovery that permits whole animal drug screens with excellent throughput, combined with ease of use and low cost. This review will begin with a discussion on the background, suitability, and advantages of this vertebrate model system and then, citing specific examples, will describe the utility of zebrafish at specific stages in the drug development pipeline. We will end with a synopsis of recent drug screens based on morphological disruptions, genetic disease models, fluorescent markers, behavioral changes, and specific targets. The numerous advantages of this whole animal approach provide new promise for the discovery of safe, specific, and powerful new drugs.
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Affiliation(s)
- Chris Delvecchio
- Banting and Best Department of Medical Research, Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Canada
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Diekmann J, Adams KL, Klunder GL, Evans L, Steele P, Vogt C, Herberg JL. Portable Microcoil NMR Detection Coupled to Capillary Electrophoresis. Anal Chem 2011; 83:1328-35. [DOI: 10.1021/ac102389b] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Joana Diekmann
- Department of Analytical Chemistry, Institute of Inorganic Chemistry, Faculty of Natural Sciences, Leibniz University Hanover, Callinstrasse 1, 30167 Hanover, Germany
| | - Kristl L. Adams
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Gregory L. Klunder
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Lee Evans
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Paul Steele
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Carla Vogt
- Department of Analytical Chemistry, Institute of Inorganic Chemistry, Faculty of Natural Sciences, Leibniz University Hanover, Callinstrasse 1, 30167 Hanover, Germany
| | - Julie L. Herberg
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
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Pašková V, Hilscherová K, Bláha L. Teratogenicity and embryotoxicity in aquatic organisms after pesticide exposure and the role of oxidative stress. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2011; 211:25-61. [PMID: 21287390 DOI: 10.1007/978-1-4419-8011-3_2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Many pesticides have been documented to induce embryotoxicity and teratogenicity in non-target aquatic biota such a fish, amphibians and invertebrates. Our review of the existing literature shows that a broad range of pesticides, representing several different chemical classes, induce variable toxic effects in aquatic species. The effects observed include diverse morphological malformations as well as physiological and behavioral effects. When development malformations occur, the myoskeletal system is among the most highly sensitive of targets. Myoskeletal effects that have been documented to result from pesticides were also known to interfere with the development of organ systems including the eyes or the heart and are also known to often cause lethal or sublethal edema in exposed organisms. The Physiological, behavioral, and population endpoints affected by pesticides include low or delayed hatching, growth suppression, as well as embryonal or larval mortality. The risks associated with pesticide exposure increase particularly during the spring. This is the period of time in which major pepticide applications take place, and this period unfortunately also coincides with many sensitive reproductive events such as spawning, egg laying, and early development of many aquatic organisms. Only few experimental studies with pesticides have directly linked developmental toxicity with key oxidative stress endpoints, such as lipid peroxidation, oxidative DNA damage, or modulation of antioxidant mechanisms. On the other hand, it has been documented in many reports that pesticide-related oxidative damage occurs in exposed adult fish, amphibians, and invertebrates. Moreover, the contribution of oxidative stress to the toxicity of pesticides has been emphasized in several recent review papers that have treated this topic. In conclusion, the available experimental data, augmented by several indirect lines of evidence, provide support to the concept that oxidative stress is a highly important mechanism in pesticide-induce reproductive or developmental toxicity. Other stressors may also act by oxidative mechanisms. This notwithstanding, there is much yet to learn about the details of this phenomenon and further research is needed to more fully elucidate the effects that pesticides have and the environmental risks they pose in the early development of aquatic organisms.
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Affiliation(s)
- Veronika Pašková
- Faculty of Science, Research Centre for Toxic Compounds in the Environment (RECETOX), Masaryk University, Kamenice, Brno, Czech Republic.
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Zhu LS, Shao B, Song Y, Xie H, Wang J, Wang JH, Liu W, Hou XX. DNA damage and effects on antioxidative enzymes in zebra fish (Danio rerio) induced by atrazine. Toxicol Mech Methods 2010; 21:31-6. [PMID: 21114466 DOI: 10.3109/15376516.2010.529186] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The effect of atrazine (2-chloro-4-ethylamino-6-isopropylamino-1, 3, 5-triazine) on the activity of some antioxidative enzymes (superoxide dismutase, SOD; catalase, CAT; and guaiacol peroxidase, POD) and DNA damage induced by atrazine were investigated in zebra fish (Danio rerio). Zebra fish were exposed to four different concentrations of atrazine (0, 2.5, 5, and 10 mg/L) for 7, 14, and 21 days, with three replicates of 10 fishes per treatment. Compared to the controls, the SOD activity in the 2.5 mg/L treatment was markedly stimulated in 21 days, while the SOD activities in the 5 mg/L treatment was stimulated at first and then inhibited. The change of CAT activity at 2.5 mg/L was similar to the SOD activity at 2.5 mg/L. The POD activities in the 2.5, 5, and 10 mg/L treatment were markedly higher on days 14 and 21 compared with the controls. The olive tail moments of single-cell gel electrophoresis (SCGE) of zebra fish enhanced after treatment of different doses on days 7, 14, and 21, and significant differences were found compared to the controls. In conclusion, these findings showed the effect regularity of atrazine to zebra fish, and also provide the basis for the future research of adverse effects induced by atrazine in aquatic ecosystems.
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Affiliation(s)
- Lu-Sheng Zhu
- College of Resources and Environment, Shandong Agricultural University, 61 Daizong Road, Taian 271018, PR China
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