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Moufarrej L, Verdin A, Cazier F, Ledoux F, Courcot D. Oxidative stress response in pulmonary cells exposed to different fractions of PM 2.5-0.3 from urban, traffic and industrial sites. ENVIRONMENTAL RESEARCH 2023; 216:114572. [PMID: 36244444 DOI: 10.1016/j.envres.2022.114572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 09/29/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
The aim of this work was to study the relationship between oxidative stress damages and particulate matter (PM) chemical composition, sources, and PM fractions. PM2.5-0.3 (PM with equivalent aerodynamic diameter between 2.5 and 0.3 μm) were collected at urban, road traffic and industrial sites in the North of France, and were characterized for major and minor chemical species. Four different fractions (whole PM2.5-0.3, organic, water-soluble and non-extractable matter) were considered for each of the PM2.5-0.3 samples from the three sites. After exposure of BEAS-2B cells to the four different fractions, oxidative stress was studied in cells by quantifying reactive oxygen species (ROS) accumulation, oxidative damage to proteins (carbonylated proteins), membrane alteration (8-isoprostane) and DNA damages (8-OHdG). Whole PM2.5-0.3 was capable of inducing ROS overproduction and caused damage to proteins at higher levels than other fractions. Stronger cell membrane and DNA damages were found associated with PM and organic fractions from the urban site. ROS overproduction was correlated with level of expression of carbonylated proteins, DNA damages and membrane alteration markers. The PM2.5-0.3 collected under industrial influence appears to be the less linked to cell damages and ROS production in comparison with the other influences.
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Affiliation(s)
- Lamia Moufarrej
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR CNRS 3417, Univ. Littoral Côte d'Opale, 145 Avenue Maurice Schumann, 59140, Dunkerque, France
| | - Anthony Verdin
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR CNRS 3417, Univ. Littoral Côte d'Opale, 145 Avenue Maurice Schumann, 59140, Dunkerque, France
| | - Fabrice Cazier
- Centre Commun de Mesures, Univ. Littoral Côte d'Opale, 145 Avenue Maurice Schumann, 59140, Dunkerque, France
| | - Frédéric Ledoux
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR CNRS 3417, Univ. Littoral Côte d'Opale, 145 Avenue Maurice Schumann, 59140, Dunkerque, France.
| | - Dominique Courcot
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR CNRS 3417, Univ. Littoral Côte d'Opale, 145 Avenue Maurice Schumann, 59140, Dunkerque, France
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Wu L, Zhong L, Ru H, Yao F, Ni Z, Li Y. Thyroid disruption and growth inhibition of zebrafish embryos/larvae by phenanthrene treatment at environmentally relevant concentrations. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 243:106053. [PMID: 34933138 DOI: 10.1016/j.aquatox.2021.106053] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/24/2021] [Accepted: 12/10/2021] [Indexed: 06/14/2023]
Abstract
Phenanthrene induces reproductive and developmental toxicity in fish, but whether it can disrupt the thyroid hormone balance and inhibit growth had not been determined to date. In this study, zebrafish embryos were exposed to phenanthrene (0, 0.1, 1, 10 and 100 μg/L) for 7 days. The results of this experiment demonstrated that phenanthrene induced thyroid disruption and growth inhibition in zebrafish larvae. Phenanthrene significantly decreased the concentration of l-thyroxine (T4) but increased that of 3,5,3'-l-triiodothyronine (T3). The expression of genes related to the hypothalamic-pituitary-thyroid (HPT) axis was altered in zebrafish larvae exposed to phenanthrene. Moreover, phenanthrene exposure significantly increased the malformation rate and significantly reduced the survival rate and the body length of zebrafish larvae. Furthermore, phenanthrene significantly decreased the concentrations of growth hormone (GH) and insulin-like growth factor-1 (IGF-1). Changes observed in gene expression patterns further support the hypothesis that these effects may be related to alterations along the GH/IGF-1 axis. In conclusion, our study indicated that exposure to phenanthrene at concentrations as low as 0.1 μg/L resulted in thyroid disruption and growth inhibition in zebrafish larvae. Therefore, the estimation of phenanthrene levels in the aquatic environment needs to be revisited.
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Affiliation(s)
- Luyin Wu
- Fishery Resources and Environmental Science Experimental Station of The Upper-Middle Reaches of Yangtze River (Ministry of Agriculture), Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China; Guangdong Provincial Engineering Technology Research Center of Environmental Pollution and Health Risk Assessment, Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Liqiao Zhong
- Fishery Resources and Environmental Science Experimental Station of The Upper-Middle Reaches of Yangtze River (Ministry of Agriculture), Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China.
| | - Huijun Ru
- Fishery Resources and Environmental Science Experimental Station of The Upper-Middle Reaches of Yangtze River (Ministry of Agriculture), Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
| | - Fan Yao
- Fishery Resources and Environmental Science Experimental Station of The Upper-Middle Reaches of Yangtze River (Ministry of Agriculture), Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
| | - Zhaohui Ni
- Fishery Resources and Environmental Science Experimental Station of The Upper-Middle Reaches of Yangtze River (Ministry of Agriculture), Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
| | - Yunfeng Li
- Fishery Resources and Environmental Science Experimental Station of The Upper-Middle Reaches of Yangtze River (Ministry of Agriculture), Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China.
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Pereira Righi BD, Abujamara LD, Barcarolli IF, Jorge MB, Zebral YD, Costa PG, Dos Reis Martinez CB, Bianchini A. Response of biomarkers to metals, hydrocarbons and organochlorine pesticides contamination in crabs (Callinectes ornatus and C. bocourti) from two tropical estuaries (São José and São Marcos bays) of the Maranhão State (northeastern Brazil). CHEMOSPHERE 2022; 288:132649. [PMID: 34699884 DOI: 10.1016/j.chemosphere.2021.132649] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 10/07/2021] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
Response of biomarkers to chemical contamination was evaluated in crabs of the Callinectes genus (Callinectes ornatus and C. bocourti) from two tropical estuaries (São José and São Marcos bays) of the Maranhão State (northeastern Brazil). Biomarkers evaluated included hepatopancreatic metallothionein-like proteins (MTLP) and lipid peroxidation (LPO), as well as muscle acetylcholinesterase (AChE). Tissue concentrations of metals (pereiopod muscle and hepatopancreas), hydrocarbons (hepatopancreas) and organochlorine pesticides (hepatopancreas) were also evaluated. Crab samples were collected in three sites of each estuary (São Marcos Bay and São José Bay). Sampling was performed in August/2012 (dry season), January/2013 (rainy season), August/2013 (dry season), and January/2014 (rainy season). Concentrations of chemical contaminants and responses of biomarkers showed significant spatial (São Marcos Bay and São José Bay) and/or seasonal (dry and rainy seasons) and annual (2012-2014) variability. However, a general higher Zn concentration was observed in hepatopancreas of crabs from São José Bay. In turn, a general higher Cd concentration paralleled by oxidative damage (LPO) was observed in hepatopancreas of crabs from São Marcos Bay. As expected, these findings support the idea that this bay is more intensively or chronically impacted by industrial activities while the São José Bay is likely more affected by domestic activities. Interestingly, LPO level in crab hepatopancreas showed to be the most reliable and adequate biomarker to distinguish the two bays.
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Affiliation(s)
- Bruna Duarte Pereira Righi
- Programa de Pós-Graduação em Ciências Fisiológicas - Fisiologia Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Laís Donini Abujamara
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Indianara Fernanda Barcarolli
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Marianna Basso Jorge
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Yuri Dornelles Zebral
- Programa de Pós-Graduação em Ciências Fisiológicas - Fisiologia Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Patrícia Gomes Costa
- Programa de Pós-Graduação em Ciências Fisiológicas - Fisiologia Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Claudia Bueno Dos Reis Martinez
- Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina - UEL, Campus Universitário - Jardim Universitário, Londrina, PR, 86051-990, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação em Ciências Fisiológicas - Fisiologia Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil.
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Rebechi D, Palacio-Cortés AM, Richardi VS, Beltrão T, Vicentini M, Grassi MT, da Silva SB, Alessandre T, Hasenbein S, Connon R, Navarro-Silva MA. Molecular and biochemical evaluation of effects of malathion, phenanthrene and cadmium on Chironomus sancticaroli (Diptera: Chironomidae) larvae. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 211:111953. [PMID: 33482495 DOI: 10.1016/j.ecoenv.2021.111953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 12/27/2020] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
In-vitro effects of sub-lethal concentrations of malathion, phenanthrene (Phe) and cadmium (Cd) were tested on Chironomus sancticaroli larvae in acute bioassays by measuring biochemical and molecular parameters. Malathion was evaluated at 0.001, 0.0564 and 0.1006 mg L-1; Phe at 0.0025, 1.25 and 2.44 mg L-1; and Cd at 0.001, 3.2 and 7.4 mg L-1. The recovery test carried out at the highest concentration of each compound showed that survival of larvae exposed to Phe ranged from 4% to 5%, while the effects of malathion and Cd were irreversible, not allowing the emergence of adults. Results showed that malathion and Cd inhibited AChE, EST-α and ES-β activities at the two highest concentrations. Phe at 0.0025, 1.25 and 2.44 mg L-1; and Cd at 3.2 and 7.4 mg L-1 inhibited glutathione S-transferase activity. Oxidative stress was exclusively induced by the lowest concentration of malathion considering SOD activity once CAT was unaffected by the stressors. Lipid peroxidation was registered exclusively by malathion at the two highest concentrations, and total hemoglobin content was only reduced by Cd at the two highest concentrations. The relationship among biochemical results, examined using the PCA, evidenced that malathion and Cd concentrations were clustered into two groups, while Phe only formed one group. Four hemoglobin genes of C. sancticaroli were tested for the first time in this species, with Hemoglobin-C being upregulated by malathion. The toxicity ranking was malathion > Phe > Cd, while biochemical and molecular results showed the order malathion > Cd > Phe. Our results highlight the importance of combining different markers to understand the effects of the diverse compounds in aquatic organisms.
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Affiliation(s)
- Débora Rebechi
- Department of Zoology, Federal University of Paraná, Curitiba, Paraná, Brazil
| | | | | | - Tiago Beltrão
- Department of Zoology, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Maiara Vicentini
- Department of Zoology, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Marco Tadeu Grassi
- Department of Chemistry, Federal University of Paraná, Curitiba, Paraná, Brazil
| | | | - Thiago Alessandre
- Department of Chemistry, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Simone Hasenbein
- Department of Anatomy, Physiology & Cell Biology, University of California, Davis, CA, USA
| | - Richard Connon
- Department of Anatomy, Physiology & Cell Biology, University of California, Davis, CA, USA
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Zebral YD, da Silva Fonseca J, Roza M, Costa PG, Robaldo RB, Bianchini A. Combining elevated temperature with waterborne copper: Impacts on the energy metabolism of the killifish Poecilia vivipara. CHEMOSPHERE 2020; 253:126631. [PMID: 32302917 DOI: 10.1016/j.chemosphere.2020.126631] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
We have previously demonstrated in a companion work that acclimation to 28 °C potentiated waterborne copper (Cu) toxic effects in Poecilia vivipara through oxidative stress-related processes. In the present study, we hypothesized that these results were related to kinetic metabolic adjustments in enzymes from aerobic and anaerobic pathways. To test this, P. vivipara was acclimated to two temperatures (22 °C or 28 °C) for three weeks and then exposed to Cu (control, 9 or 20 μg/L) for 96 h. The activity of enzymes from glycolysis (pyruvate kinase [PK] and lactate dehydrogenase [LDH]), Krebs cycle (citrate synthase [CS]) and the electron transport chain system (ETS) were assessed in gills, liver and muscle. Interactive effects were only seen for hepatic LDH activity, as both metal exposure and heat stress, combined or not, inhibited this enzyme, showing a suppression in anaerobic pathways. Conversely, a Cu main effect was present in the liver, expressed as an elevation in ETS activity, showing an enhancement in hepatic aerobic metabolism likely related with the very energy-demanding process of metal detoxification. Moreover, this study shows that P. vivipara has a remarkable ability to compensate heat stress in terms of energy metabolism, as we could not observe acclimation temperature effects for most of the cases. Nonetheless, a tissue-dependent effect of elevated temperature was observed, as we could observe an inhibition in muscular CS activity. Finally, it is concluded that kinetic adjustments in terms of the energy metabolism are not related with the temperature-dependent elevation of Cu toxicity in P. vivipara as we previously hypothesized.
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Affiliation(s)
- Yuri Dornelles Zebral
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil.
| | - Juliana da Silva Fonseca
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Mauricio Roza
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Patrícia Gomes Costa
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Ricardo Berteaux Robaldo
- Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Universidade Federal de Pelotas, 96010-970, Capão do Leão, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
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Jiang S, Yang J, Fang D. Effects of 9,10-phenanthrenequione on antioxidant indices and metabolite profiles in Takifugu obscurus plasma. ROYAL SOCIETY OPEN SCIENCE 2020; 7:191356. [PMID: 32874598 PMCID: PMC7428283 DOI: 10.1098/rsos.191356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 05/18/2020] [Indexed: 06/11/2023]
Abstract
Derived from polycyclic aromatic hydrocarbons (PAHs), oxygenated-PAHs (oxy-PAHs) may pose hazards to aquatic organisms, which remain largely unknown. Takifugu obscurus is an important anadromous fish species of high economic and ecological values. In the present study, T. obscurus was acutely exposed to 44.29 µg l-1 9,10-phenanthrenequione (9,10-PQ) for 96 h. Changes of antioxidant indices and metabolite profiles in plasma were compared between 9,10-PQ treatment and the control. The results showed that 9,10-PQ treatment significantly increased malondialdehyde (MDA) content during 6 to 96 h, increased superoxide dismutase (SOD) and catalase (CAT) activities at 6 h, but decreased them at 96 h. These results indicated that 9,10-PQ induced oxidative stress to fish. Ultra-performance liquid chromatography-mass spectrometry (UPLC-MS) analysis revealed that four metabolic pathways were influenced in response to treatment with 9,10-PQ, including glycerophospholipid metabolism, phenylalanine, tyrosine and tryptophan biosynthesis, purine metabolism and sulfur metabolism. These pathways are associated with antioxidant mechanisms, biosynthesis of neurotransmitters and innate immune functions. Thus, the as-obtained results confirmed that 9,10-PQ induced oxidative stress and raised concerns of neurotoxicity and immunotoxicity to fish. Overall, the present study posed a high environmental risk of oxy-PAHs to aquatic ecosystems.
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Affiliation(s)
- Shulun Jiang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, People's Republic of China
| | - Jian Yang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, People's Republic of China
| | - Dian Fang
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, People's Republic of China
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Bhuyan K, Patar A, Singha U, Giri S, Giri A. Phenanthrene alters oxidative stress parameters in tadpoles of Euphlyctis cyanophlyctis (Anura, Dicroglossidae) and induces genotoxicity assessed by micronucleus and comet assay. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:20962-20971. [PMID: 32253698 DOI: 10.1007/s11356-020-08609-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Accepted: 03/26/2020] [Indexed: 06/11/2023]
Abstract
Phenanthrene (PHE), a tricyclic polycyclic aromatic hydrocarbon (PAH), is ubiquitously found in aquatic environments. It is one of the major components in PAH mixtures. It has been identified as one of the 16 priority PAHs for toxicological evaluations. PHE is reported to induce lethal and sub-lethal toxicity in various aquatic indicator organisms. However, no toxicological data of PHE in anuran amphibians could be found. Amphibian larvae (tadpoles) develop in aquatic habitats. Therefore, exposure to PHE could negatively impact their development and fitness in later periods as they move in to the terrestrial habitat following metamorphosis. In the present study, we have analyzed the effects of PHE in Euphlyctis cyanophlyctis tadpoles. PHE induced concentration-dependent lethal effects in the tadpoles. The estimated LC50 values were 16.52, 15.29, 13.69, and 12.28 mg/L at 24, 48, 72, and 96 h of exposure respectively. These LC50 values are significantly higher than the reported environmental concentration of PHE. However, the strong negative correlation (R2 = 0.997, p < 0.001) between the LC50 value and exposure time indicates that longer exposure to lower concentration may cause significant lethal effects. Besides, PHE at environmentally relevant concentrations induced significant sub-lethal toxicities. Exposure to sub-lethal concentrations was found to be genotoxic in erythrocyte micronucleus as well as comet assays. Sub-lethal concentrations of PHE significantly increased superoxide dismutase activity and tissue glutathione level as well as induced lipid peroxidation. The present findings clearly indicate that PHE is a potential threat to the early life stages of amphibians. Further investigations are necessary to ascertain the implications of these early effects during adult life stages.
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Affiliation(s)
- Krishna Bhuyan
- Environment and Human Toxicology Laboratory, Department of Life Science & Bioinformatics, Assam University, Silchar, 788 011, India
| | - Arabinda Patar
- Environment and Human Toxicology Laboratory, Department of Life Science & Bioinformatics, Assam University, Silchar, 788 011, India
| | - Utsab Singha
- Environment and Human Toxicology Laboratory, Department of Life Science & Bioinformatics, Assam University, Silchar, 788 011, India
| | - Sarbani Giri
- Molecular and Cell Biology Laboratory, Department of Life Science & Bioinformatics, Assam University, Silchar, 788 011, India
| | - Anirudha Giri
- Environment and Human Toxicology Laboratory, Department of Life Science & Bioinformatics, Assam University, Silchar, 788 011, India.
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Awe AA, Opeolu BO, Olatunji OS, Fatoki OS, Jackson VA, Snyman R. Occurrence and probabilistic risk assessment of PAHs in water and sediment samples of the Diep River, South Africa. Heliyon 2020; 6:e04306. [PMID: 32637697 PMCID: PMC7330494 DOI: 10.1016/j.heliyon.2020.e04306] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 10/25/2019] [Accepted: 06/22/2020] [Indexed: 11/21/2022] Open
Abstract
This study investigated the levels of polycyclic aromatic hydrocarbons (PAHs) in water and sediment samples of the Diep River freshwater system of Western Cape Province, South Africa. A solid-phase extraction - gas chromatography - flame ionisation detection (SPE-GC-FID) method was utilised to simultaneously determine the 16 United States Environmental Protection Agency (US EPA) listed priority PAHs in water and sediment samples. The seasonal averages of individual PAH detected at the studied sites, ranged between not detected (Nd) and 72.38 ± 9.58 μg/L in water samples and between Nd and 16.65 ± 2.63 μg/g in the corresponding sediment samples. The levels of PAHs measured in water and sediment samples were subjected to probabilistic risk assessment to predict the possibility of regulatory values being exceeded. The average percentage exceedence of 63.26 was obtained for PAHs in water samples of the Diep River, while the corresponding average percentage exceedence obtained for sediment sample was 63.71. Sufficient exposure of humans and aquatic organisms to the exceedance levels obtained, would cause adverse health effect.
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Affiliation(s)
- Adetunji A. Awe
- Department of Chemistry, Cape Peninsula University of Technology, Cape Town, South Africa
| | - Beatrice O. Opeolu
- Department of Environmental and Occupational Studies, Faculty of Applied Sciences, Cape Peninsula University of Technology, Cape Town, South Africa
| | - Olatunde S. Olatunji
- School of Chemistry and Physics, College of Agriculture, Engineering and Science, University of KwaZulu-Natal, Durban, South Africa
| | - Olalekan S. Fatoki
- Faculty of Applied Sciences, Cape Peninsula University of Technology, Cape Town, South Africa
| | - Vanessa A. Jackson
- Department of Biotechnology and Consumer Science, Cape Peninsula University of Technology, Cape Town, South Africa
| | - Reinette Snyman
- Department of Conservation and Marine Sciences, Cape Peninsula University of Technology, Cape Town, South Africa
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Jiang S, Yang J, Fang DA. Histological, oxidative and immune changes in response to 9,10-phenanthrenequione, retene and phenanthrene in Takifugu obscurus liver. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2020; 55:827-836. [PMID: 32308113 DOI: 10.1080/10934529.2020.1744998] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 03/10/2020] [Accepted: 03/12/2020] [Indexed: 06/11/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are typical pollutants and may be alkylated and oxygenated to form alkyl-PAHs and oxygenated-PAHs (oxy-PAHs), respectively. Takifugu obscurus is an important anadromous fish species and displays a high risk of being exposed to PAHs-contaminated areas. In the present study, the effects of acute exposure to 44.29 µg L-1 9,10-phenanthrenequione (9,10-PQ), retene and phenanthrene (Phe) on T. obscurus liver histology, antioxidant enzymes and immune indices were compared. After exposure to these three compounds, histological sections showed damages of hepatocyte, and the activities of alanine and aspartate aminotransferase increased in plasma, indicating direct hepatic toxicity. Hepatic malondialdehyde (MDA) content increased, but superoxide dismutase (SOD) and catalase (CAT) activities decreased in response to treatments with Phe, retene and 9,10-PQ. These results revealed peroxidative effects on T. obscurus hepatocytes. In addition, total immunoglobulin content and lysozyme activity in plasma increased in treatments with Phe, retene and 9,10-PQ, which might be resulted from the damaged liver cells and the subsequently hepatic inflammation. Besides, the changes were more severe in treatment with 9,10-PQ than those with Phe and retene, demonstrating higher toxicity of 9,10-PQ than the other two compounds. Overall, the present study posed a high environmental risk of PAH derivatives to aquatic ecosystems.
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Affiliation(s)
- Shulun Jiang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Jian Yang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Di-An Fang
- Freshwater Fisheries Research Centre, Chinese Academy of Fishery Sciences, Wuxi, China
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Mora-Solarte DA, Calderón-Delgado IC, Velasco-Santamaría YM. Biochemical responses and proximate analysis of Piaractus brachypomus (Pisces: Characidae) exposed to phenanthrene. Comp Biochem Physiol C Toxicol Pharmacol 2020; 228:108649. [PMID: 31669663 DOI: 10.1016/j.cbpc.2019.108649] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 10/19/2019] [Accepted: 10/22/2019] [Indexed: 02/08/2023]
Abstract
Polycyclic Aromatic Hydrocarbons (PAHs) are complex compounds generated from industrial and anthropogenic activities, although natural phenomena are also responsible for their presence in the environment. The aim of this study was to evaluate the effect of phenanthrene on proximate composition and antioxidant activity in Piaractus brachypomus during a subacute exposure. Fish were exposed intraperitoneally to phenanthrene (0.1, 1.0, and 10 μg g-1) and a solvent control (0 μg g-1). Muscle tissue, liver and bile were collected at 0 h, 11 days and 21 days. In dorsal muscle, parameters such as dry matter, protein, crude fat, and pH did not show alterations with exposure to phenanthrene (p ≥ 0.05). At 11 days, a significant increase of hepatic lipid peroxidation was observed in fish exposed to 10 μg g-1. Additionally, a dose-dependent response was observed in the muscle, although no significant differences were observed in the activity of catalase and lipid peroxidation. Phenanthrene metabolites in bile were analyzed by fixed fluorescence at 260/380 nm (excitation/emission) wavelengths and levels indicated a dose-dependent response. Likewise, bioaccumulation of phenanthrene in bile was observed for 21 days, suggesting slow metabolism of this xenobiotic at 10 μg g-1. This study provides important information on the oxidative effects generated by phenanthrene exposure for 21 days in P. brachypomus, generating fundamental information on adverse effects induced by PAHs on the most important Colombian native fish species. These data contribute to the development of additional research in environments contaminated with PAHs and can be applied to monitor areas contaminated with oil spills.
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Affiliation(s)
- Diego Alejandro Mora-Solarte
- Grupo de investigación en Biotecnología y Toxicología Acuática y Ambiental - BioTox, Escuela de Ciencias Animales, Facultad de Ciencias Agropecuarias y Recursos Naturales, Universidad de los Llanos, km 12 vía Puerto López, vereda Barcelona, Villavicencio, Meta, Colombia
| | - Ivonne Catherine Calderón-Delgado
- Grupo de investigación en Biotecnología y Toxicología Acuática y Ambiental - BioTox, Escuela de Ciencias Animales, Facultad de Ciencias Agropecuarias y Recursos Naturales, Universidad de los Llanos, km 12 vía Puerto López, vereda Barcelona, Villavicencio, Meta, Colombia
| | - Yohana María Velasco-Santamaría
- Grupo de investigación en Biotecnología y Toxicología Acuática y Ambiental - BioTox, Escuela de Ciencias Animales, Facultad de Ciencias Agropecuarias y Recursos Naturales, Universidad de los Llanos, km 12 vía Puerto López, vereda Barcelona, Villavicencio, Meta, Colombia.
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11
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Piazza CE, Mattos JJ, de Toledo-Silva G, Flores-Nunes F, Tadra-Sfeir MZ, Trevisan R, Bittencourt AC, Bícego MC, Taniguchi S, Marques MRF, Dafré AL, Bianchini A, Souza EMD, Bainy ACD. Transcriptional effects in the estuarine guppy Poecilia vivipara exposed to sanitary sewage in laboratory and in situ. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 182:109411. [PMID: 31299475 DOI: 10.1016/j.ecoenv.2019.109411] [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: 03/18/2019] [Revised: 06/28/2019] [Accepted: 07/02/2019] [Indexed: 06/10/2023]
Abstract
The urban growth has increased sanitary sewage discharges in coastal ecosystems, negatively affecting the aquatic biota. Mangroves, one of the most human-affected coastal biomes, are areas for reproduction and nursing of several species. In order to evaluate the effects of sanitary sewage effluents in mangrove species, this study assessed the hepatic transcriptional responses of guppy fish Poecilia vivipara exposed to sanitary sewage 33% (v:v), using suppressive subtraction hybridization (SSH), high throughput sequencing of RNA (Ion-proton) and quantification of transcript levels by qPCR of some identified genes in fish kept in a sewage-contaminated environment. Genes identified are related predominantly to xenobiotic biotransformation, immune system and sexual differentiation. The qPCR results confirmed the induction of cytochrome P450 1A (CYP1A), glutathione S transferase A-like (GST A-like) methyltransferase (MET) and UDP glycosyltransferase 1A (UDPGT1A), and repression of complement component C3 (C3), doublesex and mab-3 related transcription factor 1 (DMRT1), and transferrin (TF) in the laboratory experiment. In the field exposure, the transcript levels of CYP1A, DMRT1, MET, GST A-like and UDPGT1A were higher in fishes exposed at the contaminated sites compared to the reference site. Chemical analysis in fish from the laboratory and in situ experiments, and surface sediment from the sewage-contaminated sites revealed relevant levels of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyl (PCBs) and linear alkylbenzenes (LABs). These data reinforce the use of P. vivipara as a sentinel for monitoring environmental contamination in coastal regions.
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Affiliation(s)
- Clei Endrigo Piazza
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Jacó Joaquim Mattos
- Aquaculture Pathology Research, NEPAQ, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Guilherme de Toledo-Silva
- Bioinformatics Laboratory, Cell Biology, Embriology and Genetics Department, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Fabrício Flores-Nunes
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | | | - Rafael Trevisan
- Nicholas School of the Environment, Duke University, Durham, NC, 27708, USA
| | - Arnaldo Cechinel Bittencourt
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Márcia Caruso Bícego
- Laboratory of Marine Organic Chemistry, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Satie Taniguchi
- Laboratory of Marine Organic Chemistry, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Maria Risoleta Freire Marques
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Alcir Luiz Dafré
- Laboratory of Cellular Defenses, Department of Biochemistry, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Adalto Bianchini
- Department of Physiological Sciences, Federal University of Rio Grande Foundation, Rio Grande, Brazil
| | | | - Afonso Celso Dias Bainy
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil.
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12
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Dornelles Zebral Y, Roza M, da Silva Fonseca J, Gomes Costa P, Stürmer de Oliveira C, Gubert Zocke T, Lemos Dal Pizzol J, Berteaux Robaldo R, Bianchini A. Waterborne copper is more toxic to the killifish Poecilia vivipara in elevated temperatures: Linking oxidative stress in the liver with reduced organismal thermal performance. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 209:142-149. [PMID: 30776781 DOI: 10.1016/j.aquatox.2019.02.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 02/06/2019] [Accepted: 02/06/2019] [Indexed: 06/09/2023]
Abstract
In this study, we measured the interactive effect of temperature (22 °C and 28 °C) and waterborne copper (Cu) contamination (9 μg/L and 20 μg/L) on the killifish Poecilia vivipara. Endpoints analyzed included parameters involved in Cu-accumulation, antioxidant capacity (antioxidant capacity against peroxyl radicals [ACAP] and total antioxidant capacity [TAC]), oxidative damage (lipid peroxidation [LPO]) and upper thermal tolerance (critical thermal maximum [CTMax]). Results show that Cu hepatic accumulation was elevated in 28 °C in comparison to 22 °C in both exposure groups. For gills, this was true only in 20 μg/L. Moreover, hepatic and brachial accumulation were concentration-dependent in both acclimation temperatures. Additionally, Hepatic ACAP and TAC were elevated in animals acclimated to 28 °C and only the animals kept at this temperature had reduced ACAP and TAC levels facing metal exposure (9 and 20 μg/L). Similarly, the combination of elevated temperature and Cu exposure raised hepatic LPO levels. Finally, animals acclimated to 28 °C had higher CTMax levels in comparison to fish acclimated to 22 °C both in control and exposed animals, however, CTMax of contaminated fish were only reduced in comparison to control in animals kept at 28 °C. Concluding, we show that the physiological mechanism besides the potentiating effect of elevated temperature in Cu toxicity is related to higher hepatic and branchial metal accumulation and elevated oxidative stress in the liver, outlined by reduced antioxidant capacity and elevated oxidative damage. We also show that these outcomes lead to compromised organismal performance, characterized by reduced CTMax. Finally, it is concluded that Cu exposure in warmer periods of the year or within global warming predictions may be more hazardous to fish populations.
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Affiliation(s)
- Yuri Dornelles Zebral
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Mauricio Roza
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Juliana da Silva Fonseca
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Patrícia Gomes Costa
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Caroline Stürmer de Oliveira
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Tayndy Gubert Zocke
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Juliana Lemos Dal Pizzol
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Ricardo Berteaux Robaldo
- Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Universidade Federal de Pelotas, 96010-970, Capão do Leão, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil.
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13
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Finlayson KA, Leusch FDL, van de Merwe JP. Primary green turtle (Chelonia mydas) skin fibroblasts as an in vitro model for assessing genotoxicity and oxidative stress. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 207:13-18. [PMID: 30502692 DOI: 10.1016/j.aquatox.2018.11.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 11/26/2018] [Accepted: 11/26/2018] [Indexed: 06/09/2023]
Abstract
Little is known about the effects of contaminants that accumulate in sea turtles. When in vivo exposure studies have ethical and logistical barriers, as is the case with sea turtles, in vitro tools can provide important information on the effects of contaminants. Several in vitro studies have assessed cytotoxicity of contaminants to sea turtles cells, however to gain a more refined mechanistic understanding of the effects of contaminants, sub-lethal effects also require investigation. Considering the complex mixture of contaminants that sea turtles are potentially exposed to, high throughput testing methods are necessary so that a large number of contaminants (and mixtures) can be rapidly tested. This study examined oxidative stress (reactive oxygen species production) and genotoxicity (micronucleus formation) in primary green turtle skin fibroblasts in response to 16 organic and inorganic contaminants found in coastal environments. Significant induction of oxidative stress was found with Cu, Co, Cr, and Hg. Significant effects on genotoxicity were found with Cu, Co, Cr, Hg, Pb and metolachlor. Effect concentrations from the bioassays were used in a simple risk assessment of turtles worldwide using accumulation values from the literature to identify populations at risk. Cu, Co, Cr and Hg were identified as posing the biggest threat to sea turtles. This study demonstrated the validity of using primary turtle cell cultures in the assessment of risk associated with a large number of contaminants using a high-throughput toxicity testing format.
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Affiliation(s)
- Kimberly A Finlayson
- Australian Rivers Institute, School of Environment and Science, Griffith University, Gold Coast, Australia.
| | - Frederic D L Leusch
- Australian Rivers Institute, School of Environment and Science, Griffith University, Gold Coast, Australia
| | - Jason P van de Merwe
- Australian Rivers Institute, School of Environment and Science, Griffith University, Gold Coast, Australia
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14
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Marques DDS, Costa PG, Souza GM, Cardozo JG, Barcarolli IF, Bianchini A. Selection of biochemical and physiological parameters in the croaker Micropogonias furnieri as biomarkers of chemical contamination in estuaries using a generalized additive model (GAM). THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 647:1456-1467. [PMID: 30180351 DOI: 10.1016/j.scitotenv.2018.08.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/25/2018] [Accepted: 08/04/2018] [Indexed: 06/08/2023]
Abstract
Biochemical and physiological parameters in the croaker Micropogonias furnieri were evaluated as biomarkers of chemical contaminants in estuaries. Juvenile croakers (10-20 cm total body length) were collected in summer and winter (2011 and 2012), in two sites at the Lagoa dos Patos estuary (southern Brazil). Fish were also collected in summer (2011 and 2012) in one site at the Barra do Chui estuary (southern Brazil). Tissue (gills, muscle or liver) samples were dissected and analyzed for contaminants [metals, polycyclic aromatic hydrocarbons (PAHs) and organochlorine pesticides (OCPs)] and selected biochemical and physiological parameters [metallothionein-like proteins (MTLP), acetylcholinesterase (AChE) activity, ethoxyresorufin-O-deethylase (EROD) activity, and lipid peroxidation (LPO)]. Additionally, water samples were collected for water chemical analyses (salinity, pH, temperature, dissolved oxygen, total alkalinity, and sulfate concentration). Data obtained were integrated and analyzed, using Principal Component Analysis (PCA) and Generalized Additive Model (GAM) approaches. Results showed that changes in concentrations of chemical contaminants and responses of biochemical and physiological parameters did not show any pattern according to the site, season and year of fish collection. However, they were influenced by fish body length and water temperature and salinity. Liver LPO and EROD activity were not responsive to PAHs. However, liver LPO was responsive to HCB, p,p-DDD, p,p-DDT and endosulfan sulfate. In turn, gill MTLP concentration, muscle AChE activity and liver EROD activity were responsive to non-essential metals (Pb, Cd and Ag). Considering that the ecotoxicological modeling approach adopted (GAM) accounted for biological, spatial and temporal variability of data associated with fish body size and site, season and year of fish collection, gill MTLP concentration, muscle AChE activity, as well as liver LPO and EROD activity can be considered as reliable biomarkers of fish exposure to chemical contaminants in estuaries.
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Affiliation(s)
- Daiane da Silva Marques
- Programa de Pós Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, 96.203-900 Rio Grande, RS, Brazil.
| | - Patrícia Gomes Costa
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, 96.203-900 Rio Grande, RS, Brazil
| | - Gustavo Martinez Souza
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, 96.203-900 Rio Grande, RS, Brazil
| | - Janaína Goulart Cardozo
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, 96.203-900 Rio Grande, RS, Brazil
| | | | - Adalto Bianchini
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, 96.203-900 Rio Grande, RS, Brazil.
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15
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Zebral YD, Anni ISA, Afonso SB, Abril SIM, Klein RD, Bianchini A. Effects of life-time exposure to waterborne copper on the somatotropic axis of the viviparous fish Poecilia vivipara. CHEMOSPHERE 2018; 203:410-417. [PMID: 29631113 DOI: 10.1016/j.chemosphere.2018.03.202] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 03/21/2018] [Accepted: 03/31/2018] [Indexed: 06/08/2023]
Abstract
Reduced fish growth following chronic exposure to dissolved copper (Cu) is well reported in the literature. Nevertheless, information on the mechanism(s) involved in this process is scarce. Therefore, we evaluated growth, gene expression and concentrations of proteins related to growth regulation in the viviparous guppy Poecilia vivipara chronically exposed to dissolved Cu. Newborn (<24 h after birth) fish were kept under control conditions or exposed to environmentally relevant concentrations of Cu (5 and 9 μg/L) in salt water (24 ppt) for 345 days. After exposure, fish growth was evaluated based on body weight and length. Also, growth hormone (gh) mRNA expression was evaluated in brain, while growth hormone receptor 1 (ghr1) and 2 (ghr2) mRNA expressions were analyzed in brain, skeletal muscle and liver. In turn, insulin-like growth factor 1 (igf1) and 2 (igf2) mRNA expressions were evaluated in skeletal muscle and liver. Additionally, Gh concentration was assessed in brain, while Ghr concentration was evaluated in skeletal muscle and liver. Exposure to 9 μg/L Cu reduced fish body weigh and length. Metal exposure affected mRNA expression only in skeletal muscle. Reduced ghr2 mRNA expression was observed in guppies exposed to 5 and 9 μg/L Cu. Additionally, reduced igf1 and igf2 mRNA expressions were observed in guppies exposed to 9 μg/L Cu. However, no significant change in Ghr concentration was observed. The reduced ghr2 mRNA expression suggests that chronic Cu exposure induced an insensitivity of the skeletal muscle to Gh, thus resulting in reduced igf1 and igf2 mRNA expression which lead to reduced fish growth. These findings indicate that chronic exposure to dissolved Cu disrupts the somatotropic axis regulation, thus helping to elucidate the mechanism underlying the Cu-dependent inhibition of growth observed in the viviparous fish P. vivipara.
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Affiliation(s)
- Yuri Dornelles Zebral
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Iuri Salim Abou Anni
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Sidnei Braz Afonso
- Curso de Graduação Em Ciências Biológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Sandra Isabel Moreno Abril
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Roberta Daniele Klein
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil.
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16
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de Campos MF, Lo Nostro FL, Da Cuña RH, Moreira RG. Endocrine disruption of phenanthrene in the protogynous dusky grouper Epinephelus marginatus (Serranidae: Perciformes). Gen Comp Endocrinol 2018; 257:255-263. [PMID: 28652135 DOI: 10.1016/j.ygcen.2017.06.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 06/17/2017] [Accepted: 06/22/2017] [Indexed: 01/11/2023]
Abstract
The dusky grouper Epinephelus marginatus is a protogynous hermaphrodite fish, that maintains high levels of plasma steroids as juveniles, as substrates for sex inversion. These fish are exposed to marine pollution from oil spills during cargo handling. Polycyclic aromatic hydrocarbons (PAHs), such as phenanthrene (Phe), are the main crude oil components and are toxic to fish, acting as endocrine disruptors (ED). This is the first study that investigated impacts of Phe as an ED in E. marginatus juveniles. An in vivo sublethal exposure (96h) to Phe was carried out at two concentrations (0.1mg/L and 1mg/L); exposure to the vehicle (ethanol; ETOH) was also performed. Plasma levels of 17β-estradiol (E2), testosterone (T) and 11-ketotestosterone (11-KT) were measured by ELISA. Gonads, liver and spleen were processed for histological analysis. In an in vitro bioassay, gonad fragments were incubated with Phe (8.91mg/L) or ETOH. Steroid levels in the culture media were measured by ELISA. The in vivo exposure to Phe triggered an increase of the area of the hepatocytes, increased number of melanomacrophagic centers and hemosiderosis in the spleen; ETOH induced similar effects on spleen. E2 and T levels did not change in plasma or in vitro media. In plasma, ETOH decreased 11-KT levels. Phenanthrene sharply reduced 11-KT levels in vitro. Although in vivo bioassay results were not unequivocal owing to ethanol effects, Phe might disrupt steroidogenesis in juvenile grouper, possibly causing dysfunctions during sex change and gonadal maturity, considering the importance of 11-KT in developing ovaries.
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Affiliation(s)
- Mariana Frias de Campos
- Laboratório de Metabolismo e Reprodução de Organismos Aquáticos, Dep. de Fisiologia, Instituto de Biociências, Universidade de São Paulo, Brazil; Centro de Biologia Marinha (CEBIMar), Universidade de São Paulo, Brazil
| | - Fabiana L Lo Nostro
- Laboratorio de Ecotoxicología Acuática, Dept. de Biodiversidad y Biologia Experimental, FCEN, Universidad de Buenos Aires & IBBEA, CONICET-UBA, Argentina
| | - Rodrigo H Da Cuña
- Laboratorio de Ecotoxicología Acuática, Dept. de Biodiversidad y Biologia Experimental, FCEN, Universidad de Buenos Aires & IBBEA, CONICET-UBA, Argentina
| | - Renata Guimarães Moreira
- Laboratório de Metabolismo e Reprodução de Organismos Aquáticos, Dep. de Fisiologia, Instituto de Biociências, Universidade de São Paulo, Brazil; Centro de Biologia Marinha (CEBIMar), Universidade de São Paulo, Brazil.
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17
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Ghisi NC, Oliveira EC, Guiloski IC, de Lima SB, Silva de Assis HC, Longhi SJ, Prioli AJ. Multivariate and integrative approach to analyze multiple biomarkers in ecotoxicology: A field study in Neotropical region. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 609:1208-1218. [PMID: 28787795 DOI: 10.1016/j.scitotenv.2017.07.266] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 06/26/2017] [Accepted: 07/30/2017] [Indexed: 06/07/2023]
Abstract
Aquatic pollution has dramatically worsened in developing countries, due to the discharge of a mixture of pollutants into water bodies, to the lack of stringent laws, and the inadequate treatment of effluents. In this study, the Neotropical fish Astyanax aff. paranae was sampled from three sites with different pollution levels: 1) a Biological Reserve (Rebio), protected by the Brazilian government; 2) an agricultural area in one of the most productive regions of Brazil, upstream of an urban zone; and 3) a site downstream from urban zone, characterized by the influx of different effluents, including wastes from industry, a sewer treatment plant, and agricultural areas. We assess biomarkers at multiple levels, such as the comet assay, hepatic histopathological analysis, brain and muscle acetylcholinesterase (AChE) and the hepatic enzymes glutathione-S-transferase (GST), catalase (CAT), and lipoperoxidation (LPO), during winter and summer. The interpretation of field results is always a very complex operation, since many factors can influence the variables analyzed in uncontrollable conditions. For this reason, we apply an integrative multivariate analysis. The results showed that the environmental risk of the three sites was significantly different. We can see a gradient in data distribution in discriminant analysis: separating, from one side, the fish of Rebio; in the middle are the fish from agricultural area and, in the other side are the animals from downstream site. Overall, the biomarkers responses were more greatly altered in the downstream site, whereas fish from the agricultural area showed an intermediate level of damage. The greatest changes were likely caused by agriculture, industrial chemical effluents and ineffective sewage treatments, in a synergic interaction in downstream site. In conclusion, the use of multiple biomarkers at different response levels to assess the toxic effects of mixed pollutants in a natural aquatic environment is an important tool for monitoring polluted regions.
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Affiliation(s)
- Nédia C Ghisi
- Programa de Pós-graduação em Ecologia de Ambientes Aquáticos e Continentais (PEA)/Nupélia, Universidade Estadual de Maringá (UEM), Av. Colombo, 5790, Zona 7, 87020-900 Maringá, PR, Brazil; Universidade Tecnológica Federal do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança, km 04, P.O. Box 157, 85660-000 Dois Vizinhos, PR, Brazil.
| | - Elton C Oliveira
- Universidade Tecnológica Federal do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança, km 04, P.O. Box 157, 85660-000 Dois Vizinhos, PR, Brazil
| | - Izonete C Guiloski
- Departamento de Farmacologia, Universidade Federal do Paraná (UFPR), Rua Coronel Fco. H. dos Santos, s/n, P.O. Box 19031, 81531-990 Curitiba, PR, Brazil
| | - Sonia Barbosa de Lima
- Universidade Tecnológica Federal do Paraná (UTFPR), Campus Campo Mourão, Via Rosalina Maria dos Santos, 1233, P. O. Box 271, 87301-899 Campo Mourão, PR, Brazil
| | - Helena C Silva de Assis
- Departamento de Farmacologia, Universidade Federal do Paraná (UFPR), Rua Coronel Fco. H. dos Santos, s/n, P.O. Box 19031, 81531-990 Curitiba, PR, Brazil.
| | - Solon Jonas Longhi
- Universidade Tecnológica Federal do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança, km 04, P.O. Box 157, 85660-000 Dois Vizinhos, PR, Brazil
| | - Alberto J Prioli
- Programa de Pós-graduação em Ecologia de Ambientes Aquáticos e Continentais (PEA)/Nupélia, Universidade Estadual de Maringá (UEM), Av. Colombo, 5790, Zona 7, 87020-900 Maringá, PR, Brazil.
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Zacchi FL, de Lima D, Flores-Nunes F, Mattos JJ, Lüchmann KH, de Miranda Gomes CHA, Bícego MC, Taniguchi S, Sasaki ST, Dias Bainy AC. Transcriptional changes in oysters Crassostrea brasiliana exposed to phenanthrene at different salinities. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 183:94-103. [PMID: 28040644 DOI: 10.1016/j.aquatox.2016.12.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 12/15/2016] [Accepted: 12/17/2016] [Indexed: 06/06/2023]
Abstract
Euryhaline animals from estuaries, such as the oyster Crassostrea brasiliana, show physiological mechanisms of adaptation to tolerate salinity changes. These ecosystems receive constant input of xenobiotics from urban areas, including polycyclic aromatic hydrocarbons (PAHs), such as phenanthrene (PHE). In order to understand the influence of salinity on the molecular responses of C. brasiliana exposed to PHE, oysters were acclimatized to different salinities (35, 25 and 10) for 15days and then exposed to 100μgL-1 PHE for 24h and 96h. Control groups were kept at the same salinities without PHE. Oysters were sampled for chemical analysis and the gills were excised for mRNA quantification by qPCR. Transcript levels of different genes were measured, including some involved in oxidative stress pathways, phases I and II of the xenobiotic biotransformation systems, amino acid metabolism, fatty acid metabolism and aryl hydrocarbon receptor nuclear translocator putative gene. Higher transcript levels of Sulfotransferase-like gene (SULT-like) were observed in oysters exposed to PHE at salinity 10 compared to control (24h and 96h); cytochrome P450 isoforms (CYP2AU1, CYP2-like1) were more elevated in oysters exposed for 24h and CYP2-like2 after 96h of oysters exposed to PHE at salinity 10 compared to control. These results are probably associated to an enhanced Phase I biotransformation activity required for PHE detoxification under hyposmotic stress. Higher transcript levels of CAT-like, SOD-like, GSTm-like (96h) and GSTΩ-like (24h) in oysters kept at salinity 10 compared to organisms at salinities 25 and/or 35 are possibly related to enhaced ROS production. The transcription of these genes were not affected by PHE exposure. Amino acid metabolism-related genes (GAD-like (24h), GLYT-like, ARG-like (96h) and TAUT-like at 24h and 96h) also showed different transcription levels among organisms exposed to different salinities, suggesting their important role for oyster salinity adaptation, which is not affected by exposure to these levels of PHE.
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Affiliation(s)
- Flávia Lucena Zacchi
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Federal University Santa Catarina, Florianópolis, Brazil
| | - Daína de Lima
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Federal University Santa Catarina, Florianópolis, Brazil
| | - Fabrício Flores-Nunes
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Federal University Santa Catarina, Florianópolis, Brazil
| | - Jacó Joaquim Mattos
- Aquaculture Pathology Research Center - NEPAQ, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Karim Hahn Lüchmann
- Laboratory of Biochemistry and Molecular Biology - LBBM, Fishery Engineering Department, Santa Catarina State University, Laguna, Brazil
| | | | - Márcia Caruso Bícego
- Laboratory of Marine Organic Chemistry - LABQOM, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Satie Taniguchi
- Laboratory of Marine Organic Chemistry - LABQOM, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Silvio Tarou Sasaki
- Laboratory of Marine Organic Chemistry - LABQOM, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Afonso Celso Dias Bainy
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Federal University Santa Catarina, Florianópolis, Brazil.
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Sardi AE, Renaud PE, da Cunha Lana P, Camus L. Baseline levels of oxidative stress biomarkers in species from a subtropical estuarine system (Paranaguá Bay, southern Brazil). MARINE POLLUTION BULLETIN 2016; 113:496-508. [PMID: 27519757 DOI: 10.1016/j.marpolbul.2016.08.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 08/02/2016] [Accepted: 08/04/2016] [Indexed: 06/06/2023]
Abstract
Offshore petroleum exploration has increased the risks of oil spills in coastal tropical and subtropical habitats. Monitoring tools are needed to assess and protect environmental health. We determined baseline values of antioxidant biomarkers (CAT, SOD, GPx, GST, MDA) for five ecologically relevant species in a subtropical system in southern Brazil. Regional baseline levels are compared with literature data as a basis to eventually test their efficacy as post-spill monitoring tools. Differences in the antioxidant response among species, contamination, and seasons were tested using univariate and multivariate analyses. The bivalves Anomalocardia flexuosa and Crassostrea rhizophorae and the catfish Genidens genidens emerge as suitable sentinel species. Seasonality is the main factor accounting for biomarkers variability, and not background contamination level. However, interactions between season and contamination level are also significant, indicating that biomarkers respond to complex environmental settings, a fact that needs to be fully understood for designing proper monitoring programs.
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Affiliation(s)
- Adriana E Sardi
- Fram Centre, Akvaplan-niva, 9296 Tromsø, Norway; University of Tromsø, Faculty of Science, Faculty of Science and Technology, Department of Science & Safety, N-9037 Tromsø, Norway.
| | | | - Paulo da Cunha Lana
- Centro de Estudos do Mar, Universidade Federal do Paraná (UFPR), PO Box 61, 83255-000, Pontal do Paraná, Paraná, Brazil
| | - Lionel Camus
- Fram Centre, Akvaplan-niva, 9296 Tromsø, Norway; University of Tromsø, Faculty of Science, Faculty of Science and Technology, Department of Science & Safety, N-9037 Tromsø, Norway
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Wang C, Yang J, Lu D, Fan Y, Zhao M, Li Z. Oxidative stress-related DNA damage and homologous recombination repairing induced by N,N-dimethylformamide. J Appl Toxicol 2016; 36:936-45. [PMID: 26387567 DOI: 10.1002/jat.3226] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 08/01/2015] [Accepted: 08/02/2015] [Indexed: 01/26/2023]
Abstract
The intensified anthropogenic release of N,N-dimethylformamide (DMF) has been proven to have hepatotoxic effects. However, the potential mechanism for DMF-induced toxicity has rarely been investigated. Our research implicated that DMF induced a significantly dose-dependent increase in reactive oxygen species (ROS) in HL-7702 human liver cells. Moreover, oxidative stress-related DNA damage, marked as 8-hydroxy-2'-deoxyguanosine, was increased 1.5-fold at 100 mmol l(-1) . The most severe DNA lesion (double-strand break, DSB), measured as the formation of γH2AX foci, was increased at/above 6.4 mmol l(-1) , and approximately 50% of cells underwent DSB at the peak induction. Subsequently, the DNA repair system triggered by molecules of RAD50 and MRE11A induced the homologous recombination (HR) pathway by upregulation of both gene and protein levels of RAD50, RAD51, XRCC2 and XRCC3 at 16 mmol l(-1) and was attenuated at 40 mmol l(-1) . Consequently, cellular death observed at 40 mmol l(-1) was exaggerated compared with exposure at 16 mmol l(-1) . Although the exact mechanism relying on the DMF-induced hepatotoxicity needs further clarification, oxidative stress and DNA damage involved in DSBs partially explain the reason for DMF-induced liver injury. Oxidative stress-induced DNA damage should be first considered during risk assessment on liver-targeted chemicals. Copyright © 2015 John Wiley & Sons, Ltd.
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Affiliation(s)
- Cui Wang
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Jinhuan Yang
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Dezhao Lu
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Yongsheng Fan
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Meirong Zhao
- Research Center of Environmental Science, College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Zhuoyu Li
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
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