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Cheng Q, Liu QQ, Lu CA. A state-of-the-science review of using mitochondrial DNA copy number as a biomarker for environmental exposure. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 346:123642. [PMID: 38402934 DOI: 10.1016/j.envpol.2024.123642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 02/06/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024]
Abstract
Mitochondria are bioenergetic, biosynthetic, and signaling organelles in eukaryotes, and contain their own genomes, mitochondrial DNA (mtDNA), to supply energy to cells by generating ATP via oxidative phosphorylation. Therefore, the threat to mitochondria' integrity and health resulting from environmental exposure could induce adverse health effects in organisms. In this review, we summarized the association between mtDNA copy number (mtDNAcn), and environmental exposures as reported in the literature. We conducted a literature search in the Web of Science using [Mitochondrial DNA copy number] and [Exposure] as two keywords and employed three selection criteria for the final inclusion of 97 papers for review. The consensus of data was that mtDNAcn could be used as a plausible biomarker for cumulative exposures to environmental chemical and physical agents. In order to furtherly expand the application of mtDNAcn in ecological and environmental health research, we suggested a series of algorithms aiming to standardize the calculation of mtDNAcn based on the PCR results in this review. We also discussed the pitfalls of using whole blood/plasma samples for mtDNAcn measurements and regard buccal cells a plausible and practical alternative. Finally, we recognized the importance of better understanding the mechanistic analysis and regulatory mechanism of mtDNAcn, in particular the signals release and regulation pathways. We believe that the development of using mtDNAcn as an exposure biomarker will revolutionize the evaluation of chronic sub-lethal toxicity of chemicals to organisms in ecological and environmental health research that has not yet been implemented.
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Affiliation(s)
- Qing Cheng
- College of Resources and Environment, Southwest University, Chongqing, 400715, People's Republic of China
| | - Qing Qing Liu
- College of Resources and Environment, Southwest University, Chongqing, 400715, People's Republic of China
| | - Chensheng Alex Lu
- College of Resources and Environment, Southwest University, Chongqing, 400715, People's Republic of China; School of Public Health, University of Washington, Seattle, WA, 98195, USA.
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2
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Ni X, Zhou H, Liu Y, Zhan J, Meng Q, Song H, Yi X. Toxic effects of tire wear particles and the leachate on the Chinese mitten crab (Eriocheir sinensis). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122354. [PMID: 37567401 DOI: 10.1016/j.envpol.2023.122354] [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: 06/14/2023] [Revised: 07/10/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
Tire wear particles (TWPs) were considered as an important component of microplastic pollution in the aquatic environment. To understand the ecotoxicity of TWPs to crustacean, this study investigated toxic effects of TWPs and the leachate on the mitten crab Eriocheir sinensis and the accumulation of TWPs in the crabs. Although TWPs could be accumulated in various tissues (i.e., liver, gills and gut) of the crabs, exposure to TWPs or the leachate had no lethal effect on the crabs in this study. Lower concentrations of TWPs and the leachate exposure could stimulate the antioxidant defense system of the crabs, while higher concentrations could disrupt the stress defense system. In addition, the energy supply and metabolism of the crabs could also be affected by TWPs or the leachate. The transcriptomic profiles showed that the toxic mechanisms of TWPs and the leachate were not exactly the same. Similar to the results of biochemical analysis, several Gene Ontology (GO) terms and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways related to oxidative stress and energy metabolism were significantly regulated by both TWPs and the leachate. However, TWPs could affect the expression of genes enriched in immune-related pathways, while the leachate regulated the enrichment of some other signaling pathways including FoxO signaling pathway, insulin signaling pathway, RIG-I-like receptor signaling pathway, NOD-like receptor signaling pathway, PPAR signaling pathway and neuroactive ligand-receptor interaction. Overall, our study could provide basic biological information for assessing the ecological risk of the TWP pollution in the aquatic environment and was useful to understand the potential toxic mechanisms of the TWPs and the leachate to crustaceans.
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Affiliation(s)
- Xiaoming Ni
- School of Ocean Science and Technology, Dalian University of Technology, Panjin City, Liaoning, 116024, China
| | - Hao Zhou
- School of Ocean Science and Technology, Dalian University of Technology, Panjin City, Liaoning, 116024, China
| | - Yang Liu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin City, Liaoning, 116024, China
| | - Jingjing Zhan
- School of Ocean Science and Technology, Dalian University of Technology, Panjin City, Liaoning, 116024, China
| | - Qian Meng
- School of Ocean Science and Technology, Dalian University of Technology, Panjin City, Liaoning, 116024, China
| | - Hongyu Song
- School of Ocean Science and Technology, Dalian University of Technology, Panjin City, Liaoning, 116024, China
| | - Xianliang Yi
- School of Ocean Science and Technology, Dalian University of Technology, Panjin City, Liaoning, 116024, China.
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Tambe PK, Mathew AJ, Bharati S. Cardioprotective potential of mitochondria-targeted antioxidant, mito-TEMPO, in 5-fluorouracil-induced cardiotoxicity. Cancer Chemother Pharmacol 2023; 91:389-400. [PMID: 36997656 PMCID: PMC10156775 DOI: 10.1007/s00280-023-04529-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 03/21/2023] [Indexed: 04/03/2023]
Abstract
Abstract
Purpose
The mitochondria-targeted antioxidants (MTAs) are known to offer protection against mitochondrial oxidative stress. The recent evidences support their role in mitigating oxidative stress-induced diseases, including cancer. Therefore, this study investigated cardioprotective potential of mito-TEMPO against 5-FU-induced cardiotoxicity.
Methods
Mito-TEMPO was administered to male BALB/C mice (intraperitoneally, 0.1 mg/kg b.w. for 7 days) followed by intraperitoneal administration of 5- FU (12 mg/kg b.w. for 4 days). During this period, mito-TEMPO treatment was also continued. The cardioprotective potential of mito-TEMPO was assessed by evaluating cardiac injury markers, extent of non-viable myocardium and histopathological alterations. Mitochondrial functional status and mitochondrial oxidative stress were assessed in cardiac tissue. 8-OHdG expression and apoptotic cell death were assessed using immunohistochemical techniques.
Results
The level of cardiac injury markers CK-MB and AST were significantly (P ≤ 0.05) decreased in mito-TEMPO pre-protected group which was further reflected in histopathology as decrease in the percentage of non-viable myocardial tissue, disorganization, and loss of myofibrils. Mito-TEMPO ameliorated mtROS, mtLPO and conserved mitochondrial membrane potential. Further, it had significantly (P ≤ 0.05) improved the activity of mitochondrial complexes and mitochondrial enzymes. A significant (P ≤ 0.05) increase in the level of mtGSH, activity of mitochondrial glutathione reductase, glutathione peroxidase, and mitochondrial superoxide dismutase was observed. A decreased expression of 8-OHdG and reduced apoptotic cell death were observed in mito-TEMPO pre-protected group.
Conclusion
Mito-TEMPO effectively mitigated 5-FU-induced cardiotoxicity by modulating mitochondrial oxidative stress, hence may serve as a protective agent/adjuvant in 5-FU-based combinatorial chemotherapy.
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Esposito G, Pastorino P, Prearo M, Magara G, Cesarani A, Freitas R, Caldaroni B, Meloni D, Pais A, Dondo A, Antuofermo E, Elia AC. Ecotoxicity of Copper(I) Chloride in Grooved Carpet Shell ( Ruditapes decussatus). Antioxidants (Basel) 2022; 11:2148. [PMID: 36358520 PMCID: PMC9686603 DOI: 10.3390/antiox11112148] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/24/2022] [Accepted: 10/27/2022] [Indexed: 09/29/2023] Open
Abstract
Copper (Cu) is a ubiquitous trace element in the aquatic environment, and is usually found at low levels. Copper environmental concentrations can be altered as a result anthropogenic activities. Shellfish are useful bioindicators to ensure adequate environmental monitoring. Thus, the aim of the present study was as follows: (a) determine the LC50 of copper(I) chloride in grooved carpet shell (Ruditapes decussatus) collected in the Santa Gilla lagoon (Sardinia, Italy), and (b) analyze the antioxidant biomarkers in digestive gland and gills of same specimens exposed to different concentrations of the above-mentioned metal (0.045, 0.45, and 0.90 mg/L) for 96 h. A withdrawal period of 96 h was considered for the treated clam, carrying out the same biochemical analyses, superoxide dismutase (SOD), catalase (CAT), selenium-dependent glutathione peroxidase (Se-GPx), glutathione S-transferases (GSTs), and total glutathione (GSH+2GSSG) in the two tissues. Different time and dose responses of the antioxidant biomarkers were recorded in the digestive glands and gills. Oxidative stress biomarkers highlighted the ability of Cu to induce oxidative stress in R. decussatus. Clam, following the withdrawal period of 96 h, has not been able to achieve the control levels of all biochemical markers in the digestive gland and gills. R. decussatus can be a suitable model to assess the ecotoxicity of copper in aquatic ecosystems. These findings may advance knowledge on the role and the effects of copper on oxidative stress biomarkers in grooved carpet shell. The metal ecotoxicity response can be useful to perform accurate biomarker-based monitoring programs using this bivalve species.
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Affiliation(s)
- Giuseppe Esposito
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d’Aosta, 10154 Torino, Italy
| | - Paolo Pastorino
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d’Aosta, 10154 Torino, Italy
| | - Marino Prearo
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d’Aosta, 10154 Torino, Italy
| | - Gabriele Magara
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
| | - Alberto Cesarani
- Department of Agriculture, University of Sassari, 07100 Sassari, Italy
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
| | - Rosa Freitas
- Department of Biology and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Barbara Caldaroni
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
| | - Domenico Meloni
- Department of Veterinary Medicine, University of Sassari, 07100 Sassari, Italy
| | - Antonio Pais
- Department of Agriculture, University of Sassari, 07100 Sassari, Italy
| | - Alessandro Dondo
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d’Aosta, 10154 Torino, Italy
| | | | - Antonia Concetta Elia
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
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Zhang YM, Lin CY, Li BZ, Cheng YX, Xu WB, Xiao Y, Chen DY, Dong WR, Shu MA. The health risk for consumers under heavy metal scenarios: Reduce bioaccumulation of Cd in estuary mud crab (Scylla paramamosain) through the antagonism of Se. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 844:157149. [PMID: 35798109 DOI: 10.1016/j.scitotenv.2022.157149] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/20/2022] [Accepted: 06/30/2022] [Indexed: 06/15/2023]
Abstract
Heavy metal pollution has gained increasing attention over past years, and notably, cadmium (Cd) is a non-essential heavy metal that can be toxic to human and wildlife. Furthermore, selenium (Se) is a component of the selenoproteins and influences the toxicity of Cd in different organisms, and protect organisms as a kind of heavy metal antagonist. This study exposed mud crab to 5.0 mg/L Cd for 28 days, and investigated whether different concentrations (0.1, 0.2, 0.3 mg/kg) of selenite (Na2SeO3) or selenomethionine (SeMet) affect the bioaccumulation of Cd, serum biochemical index, antioxidant and stress-response genes of S. paramamosain. The results showed that the Cd concentration in Cd group was significantly higher than the organic or inorganic Se group. Serum biochemical index demonstrated that Se might relieve the damage or dysfunction of hepatopancreas caused by both Cd accumulation and toxicity. Furthermore, Se improved CAT, GPx T-AOC and SOD activity, and decreased MDA concentrations and the lipid peroxidation levels, antagonistic to Cd. Then, this study analyzed the expression of 26 stress-related genes, the results indicated that the inorganic and organic Se might reduce the damage of cell and the toxicity of heavy metals in the hepatopancreas after Cd exposure. Therefore, this study indicated that Se might alleviate Cd toxicity via the different antioxidative mechanisms, and increased the understanding of environmental toxins on estuary crustaceans.
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Affiliation(s)
- Yan-Mei Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Chen-Yang Lin
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Bang-Ze Li
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yuan-Xin Cheng
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wen-Bin Xu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yi Xiao
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Da-Yong Chen
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wei-Ren Dong
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Miao-An Shu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China.
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Molecular biomarkers for oxidative stress and neuronal damage in red-bellied pacu (Piaractus brachypomus). AQUACULTURE AND FISHERIES 2022. [DOI: 10.1016/j.aaf.2022.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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Yang Z, Fang Y, Liu J, Chen A, Cheng Y, Wang Y. Moderate acidification mitigates the toxic effects of phenanthrene on the mitten crab Eriocheir sinensis. CHEMOSPHERE 2022; 294:133783. [PMID: 35101431 DOI: 10.1016/j.chemosphere.2022.133783] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 01/20/2022] [Accepted: 01/26/2022] [Indexed: 06/14/2023]
Abstract
Freshwater acidification and phenanthrene may result in complex adverse effects on aquatic animals. Juvenile Chinese mitten crabs (Eriocheir sinensis) were exposed to different pH levels (7.8, 6.5, and 5.5) under phenanthrene (PHE) (0 (control) and 50 μg/L) conditions for 14 days. Antioxidant and transcriptomic responses were determined under stress conditions to evaluate the physiological adaptation of crabs. Under the control pH 7.8, PHE led to significantly reduced activities of superoxide dismutase (SOD), catalase (CAT), glutathione reductase (GR) and glutathione S-transferase (GST), but increased glutathione peroxidase (GSH-Px), 7-ethoxyresorufin-o-deethylase (EROD) activities, and malondialdehyde (MDA) levels. However, moderate acidification (pH 6.5) changed PHE effects by increasing antioxidant enzymes. Acidification generally reduced SOD, GPx, GST and EROD activities, but increased CAT, GR, MDA. Compared with pH7.8 group, pH7.8 × PHE and pH6.5 × PHE groups had 1148 and 1498 differentially expressed genes, respectively, with "Biological process" being the main category in the two experimental groups. pH7.8 × PHE treatment caused significant enrichment of disease and immune-related pathways, while under pH6.5 × PHE, more pathways related to metabolism, detoxification, environmental information processing, and energy supply were significantly enriched. Thus, PHE had a significant inhibitory effect on antioxidant performance in crabs, while moderate acidification (pH6.5) mitigated the toxic effects of PHE. Overall, moderate acidification has a positive effect on the defense against the negative effects of PHE in Chinese mitten crabs, and this study provides insights into the defense mechanism of crustaceans in response to combined stress of acidification and PHE.
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Affiliation(s)
- Zhigang Yang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China
| | - Yucheng Fang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China
| | - Jiani Liu
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China
| | - Aqin Chen
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China
| | - Yongxu Cheng
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China
| | - Youji Wang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, China.
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8
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Subacute cadmium exposure promotes M1 macrophage polarization through oxidative stress-evoked inflammatory response and induces porcine adrenal fibrosis. Toxicology 2021; 461:152899. [PMID: 34416349 DOI: 10.1016/j.tox.2021.152899] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/26/2021] [Accepted: 08/13/2021] [Indexed: 12/17/2022]
Abstract
Cadmium (Cd) is a widely distributed environmental pollutant with immunotoxicity and endocrine toxicity. M1/M2 macrophages participate in the immune response and exert an essential influence on fibrosis. Nevertheless, whether Cd can induce porcineadrenal fibrosis by affecting the polarization of M1/M2 macrophages and its potential regulatory mechanism have not been explored. We added 20 mg/kg CdCl2 to the pig diet for 40 days to investigate the fibrogenic effect of subacute Cd exposure on the adrenal gland. The results indicated that the ACTH and CORT in serum were decreased by 15.26 % and 21.99 %, respectively. The contents of adrenal mineral elements Cd, Cr, Mn were increased up to 34, 1.93, 1.42 folds and Co, Zn, Sn were reduced by 21.57 %, 20.52 %, 15.75 %. Concurrently, the pro-oxidative indicators (LPO, MDA and H2O2) were increased by 1.85, 2.20, 2.77 folds and 3.60, 11.15, 4.11 folds upregulated mRNA levels of TLR4, NF-κB, NLRP3 were observed. Subsequently, the expression of M1 macrophages polarization markers (IL-6, iNOS, TNF-α, CCL2 and CXCL9) were raised by 2.03, 2.30, 2.35, 1.58, 1.56 folds, while M2 macrophages (IL-4, CCL24, Arg1, IL-10, MRC1) showed a 62.34 %, 31.88 %, 50.26 %, 74.00 %, 69.34 % downregulation. The expression levels of AMPK subunits and genes related to glycolysis, oxidative phosphorylation (OXPHOS) and fatty acid oxidation (FAO) were also markedly increased. Additionally, the expression level of TGF-β1, Smad2/3 and downstream pro-fibrotic markers was obviously upregulated. Taken together, we conclude that Cd activates the oxidative stress-mediated TLR4/NF-κB/NLRP3 inflammatory signal transduction, leading to porcine adrenal fibrosis by promoting macrophage polarization toward M1.
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Lebordais M, Gutierrez-Villagomez JM, Gigault J, Baudrimont M, Langlois VS. Molecular impacts of dietary exposure to nanoplastics combined with arsenic in Canadian oysters (Crassostrea virginica) and bioaccumulation comparison with Caribbean oysters (Isognomon alatus). CHEMOSPHERE 2021; 277:130331. [PMID: 34384184 DOI: 10.1016/j.chemosphere.2021.130331] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/12/2021] [Accepted: 03/16/2021] [Indexed: 06/13/2023]
Abstract
Despite the urge need to address the possible impact of plastic debris, up to now, little is known about the translocation of nanoplastics through the trophic web. Plus, due to their surface reactivity, nanoplastics could sorb and thus increase metals bioavailability to aquatic filter-feeding organisms (e.g., bivalves). In this study, we investigated the dietary exposure route on the oyster Crassostrea virginica through microalgae themselves exposed to three nanoplastic dispersions (PSL, PSC and NPG) at reportedly environmental concentrations combined or not with arsenic. Interactive effects of nanoplastics on arsenic bioaccumulation were studied, along with the expression of key genes in gills and visceral mass. The investigated gene functions were endocytosis (cltc), oxidative stress (gapdh, sod3, cat), mitochondrial metabolism (12S), cell cycle regulation (gadd45, p53), apoptosis (bax, bcl-2), detoxification (cyp1a, mdr, mt), and energy storage (vit). Results showcased that nanoplastic treatments combined with arsenic triggered synergetic effects on gene expressions. Relative mRNA level of 12S significantly increased at 10 and 100 μg L-1 for NPG combined with arsenic and for PSC combined with arsenic. Relative mRNA level of bax increased for PSL combined with arsenic and for PSC combined with arsenic at 10 and 100 μg L-1 respectively. We also observed that relative arsenic bioaccumulation was significantly higher in Crassostrea virginica gills compared to Isognomon alatus'. These results are the first comparative molecular effects of nanoplastics alone and combined with arsenic investigated in farmed C. virginica oysters. Together with I. alatus results we thus shed light on species different sensitivity.
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Affiliation(s)
- Marc Lebordais
- Université de Bordeaux, CNRS, UMR EPOC 5805, Place Du Dr Peyneau, 33120, Arcachon, France; Centre Eau Terre Environnement, Institut National de La Recherche Scientifique (INRS), 490 Rue de La Couronne, G1K 9A9, Québec City, QC, Canada
| | - Juan Manuel Gutierrez-Villagomez
- Centre Eau Terre Environnement, Institut National de La Recherche Scientifique (INRS), 490 Rue de La Couronne, G1K 9A9, Québec City, QC, Canada
| | - Julien Gigault
- Université Laval, UMI Takuvik 3376, 1045 Avenue de La Médecine, G1V 0A6, Québec City, QC, Canada
| | - Magalie Baudrimont
- Université de Bordeaux, CNRS, UMR EPOC 5805, Place Du Dr Peyneau, 33120, Arcachon, France
| | - Valerie S Langlois
- Centre Eau Terre Environnement, Institut National de La Recherche Scientifique (INRS), 490 Rue de La Couronne, G1K 9A9, Québec City, QC, Canada.
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Zhao X, Yang Z, Cheng Y. Effects of cadmium alone and in combination with pH on bioaccumulation, tissue structure, and enzyme activity of the Chinese mitten crab, Eriocheir sinensis. Comp Biochem Physiol C Toxicol Pharmacol 2021; 245:109025. [PMID: 33737221 DOI: 10.1016/j.cbpc.2021.109025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/14/2021] [Accepted: 02/16/2021] [Indexed: 11/25/2022]
Abstract
In this study, Chinese mitten crabs (Eriocheir sinensis) were exposed to various combinations of reduced pH (7.8, 7.3, and 6.5) and cadmium (Cd; 0 and 1 mg·L-1) for 7, 14, and 21 days. The reduced pH and 1 mg·L-1 Cd treatment significantly decreased the Cd concentration in crab tissues in the order of pH 7.8 > pH 7.3 > pH 6.5. The exposure to Cd resulted in edema, tubular vacuolization in epithelial cells, and hepatic duct degeneration in the hepatopancreas and indistinct cellular structure and disconnected epithelial layer in the gills. However, low pH alleviated the toxic effects of Cd on the tissues. In gill and hepatopancreas tissues, low pH and Cd exposure caused a significant increase in superoxide dismutase and catalase activities and oxidized glutathione content, but metallothionein activity was not affected. In contrast, the activity of glutathione-S-transferase decreased. Thus, indirect effects of pH on metal accumulation and antagonistic toxicities were observed in E. sinensis, and reduced pH and Cd exposure modulated the oxidative balance via different mechanisms.
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Affiliation(s)
- Xuejian Zhao
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
| | - Zhigang Yang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China.
| | - Yongxu Cheng
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China.
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11
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Magara G, Elia AC, Dörr AJM, Abete MC, Brizio P, Caldaroni B, Righetti M, Pastorino P, Scoparo M, Prearo M. Metal load and oxidative stress driven by organotin compounds on rainbow trout. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:35012-35022. [PMID: 33665696 PMCID: PMC8275540 DOI: 10.1007/s11356-021-12984-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 02/11/2021] [Indexed: 05/17/2023]
Abstract
Tributyltin-based (TBT) antifouling paints, widely used for the treatment of flooded surfaces, have been banned in 2008 for their high environmental persistence and bioaccumulation in aquatic organisms. Although it is still present in aquatic ecosystems, oxidative stress driven by TBT has been still poorly investigated in fish. The aim of the study was to examine the time-course stress responses in liver of rainbow trout that received a single intraperitoneal injection of tributyltin chloride (TBTC) or tributyltin ethoxide (TBTE), both at a dose of 0.05 and 0.5 mg/kg. Levels of metallothioneins, total glutathione, malondialdehyde, superoxide dismutase, catalase, glutathione peroxidase and glutathione S-transferase were evaluated at 3 and 6 days post-injection. Tin load was measured in the muscle of the same fish. Differences were observed in the time-course accumulation of tin with a clear dose-response relationship. Although individual oxidative stress biomarkers varied, the biomarker profile indicated different stress mechanisms caused by both TBTC and TBTE. The weak induction of metal-trapping metallothioneins and the changes of oxidative stress biomarkers suggested a stress-pressure in both TBT-treated trout, advising for an ecotoxicological risk for freshwater ecosystems.
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Affiliation(s)
- Gabriele Magara
- Department of Chemistry, Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123, Perugia, Italy
| | - Antonia Concetta Elia
- Department of Chemistry, Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123, Perugia, Italy.
| | - Ambrosius Josef Martin Dörr
- Department of Chemistry, Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123, Perugia, Italy
| | - Maria Cesarina Abete
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154, Torino, Italy
| | - Paola Brizio
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154, Torino, Italy
| | - Barbara Caldaroni
- Department of Chemistry, Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123, Perugia, Italy
| | - Marzia Righetti
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154, Torino, Italy
| | - Paolo Pastorino
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154, Torino, Italy
| | - Melissa Scoparo
- Department of Chemistry, Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123, Perugia, Italy
| | - Marino Prearo
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154, Torino, Italy
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12
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Molecular Impacts of Dietary Exposure to Nanoplastics Combined or Not with Arsenic in the Caribbean Mangrove Oysters ( Isognomon alatus). NANOMATERIALS 2021; 11:nano11051151. [PMID: 33925079 PMCID: PMC8146365 DOI: 10.3390/nano11051151] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 01/08/2023]
Abstract
Nanoplastics (NPs) are anthropogenic contaminants that raise concern, as they cross biological barriers. Metals’ adsorption on NPs’ surface also carries ecotoxicological risks to aquatic organisms. This study focuses on the impacts of three distinct NPs on the Caribbean oyster Isognomon alatus through dietary exposure. As such, marine microalgae Tisochrysis lutea were exposed to environmentally weathered mixed NPs from Guadeloupe (NPG), crushed pristine polystyrene nanoparticles (PSC), and carboxylated polystyrene nanoparticles of latex (PSL). Oysters were fed with NP-T. lutea at 10 and 100 µg L−1, concentrations considered environmentally relevant, combined or not with 1 mg L−1 pentoxide arsenic (As) in water. We investigated key gene expression in I. alatus’ gills and visceral mass. NP treatments revealed significant induction of cat and sod1 in gills and gapdh and sod1 in visceral mass. As treatment significantly induced sod1 expression in gills, but once combined with any of the NPs at both concentrations, basal mRNA levels were observed. Similarly, PSL treatment at 100 µg L−1 that significantly induced cat expression in gills or sod1 in visceral mass showed repressed mRNA levels when combined with As (reduction of 2222% and 34%, respectively, compared to the control). This study suggested a protective effect of the interaction between NPs and As, possibly by decreasing both contaminants’ surface reactivity.
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Hossain MM, Huang H, Yuan Y, Wan T, Jiang C, Dai Z, Xiong S, Cao M, Tu S. Silicone stressed response of crayfish (Procambarus clarkii) in antioxidant enzyme activity and related gene expression. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 274:115836. [PMID: 33190981 DOI: 10.1016/j.envpol.2020.115836] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 09/24/2020] [Accepted: 10/11/2020] [Indexed: 06/11/2023]
Abstract
Organosilicon has been widely used in various fields of industry and agriculture due to its excellent properties, such as high and low temperature resistance, flame retardant, insulation, radiation resistance and physiological inertia. However, organosilicon toxicity in aquatic animals is seldom known. In this research, two typical silicone or silane coupling agents (KH-560 (3-Glycidoxypropyltrimethoxysilane) and KH-570 (3-Methacryloxypropyltrimethoxysilane)) were used in a hydroponic experiment to evaluate the effects on survival rate, antioxidant response and gene expression in red swamp crayfish (Procambarus clarkii). Crayfishes were grown in black aquaculture boxes containing different concentrations (0, 10, 100 and 1000 mg L-1) of KH-560 and KH-570 for 72 h, and then crayfish samples were harvested and separated into tissues of carapace, gill and muscle for analysis. The results showed that silicone significantly increased malondialdehyde (MDA) content in muscle by 17%-38% except for the treatment of 100 mg L-1 KH-570, and reduced the survival rate of crayfish. Additionally, silicone KH-570 increased the activities of superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD) by 15%-31%, 17%-35%, and 9%-46%, as well as the contents of ascorbate (AsA) and glutathione (GSH) by 19%-31%, and 23%-29% respectively, in muscle tissue, and similar results occurred in KH-560. In the carapace, however, SOD activity was significantly decreased at high concentrations level of both silicone treatments. Moreover, silicon (Si) content was higher in the abdominal muscle of crayfish after silicone treatment. Assay of gene expression showed an obvious increasing expression of antioxidant related genes (Sod1, Sod2, Cat1, Cat2, and Pod1, Pod2) under silicone stress. The above results suggested that silicone caused an obvious stress response in crayfish in both biochemical and molecular levels.
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Affiliation(s)
- Md Muzammel Hossain
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Hengliang Huang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Yuan Yuan
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Tianyin Wan
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Chengfeng Jiang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Zhihua Dai
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Shuanglian Xiong
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Menghua Cao
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Shuxin Tu
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Hubei Research Center for Soil Remediation Engineering, Wuhan, 430070, China.
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14
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Ren X, Xu Y, Yu Z, Mu C, Liu P, Li J. The role of Nrf2 in mitigating cadmium-induced oxidative stress of Marsupenaeus japonicus. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 269:116112. [PMID: 33272803 DOI: 10.1016/j.envpol.2020.116112] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 11/15/2020] [Accepted: 11/17/2020] [Indexed: 06/12/2023]
Abstract
Nuclear factor-erythroid 2-related factor-2 (Nrf2) is an important modulator of cellular responses against Cd in mammalian cells. However, whether such modulation is conserved in Marsupenaeus japonicas remains unknown.In our study, the shrimps were injected with dsRNA targeting Nrf2 at 4 μg g-1 body weight (b.w.) or sulforaphane (SFN) at 5 μg g-1 b.w., and then were exposed to 40 mg L-1 CdCl2 for 48 h. After Nrf2 knockdown, the Cd content increased, but decreased in the SFN group. This suggested that Nrf2 could promote Cd excretion. A terminal deoxynulceotidyl transferase nick-end-labeling (TUNEL) assay revealed that the Nrf2 knockdown increased the number of apoptotic cells in M. japonicas, while SFN decreased the number of apoptotic cells. After Nrf2 knockdown, the total antioxidant capacity (T-AOC), superoxide dismutase (Sod) activity, and related gene expression decreased significantly, while the malondialdehyde (MDA) content increased remarkably. By contrast, SFN injection alleviated the oxidative stress, as evidenced by increased T-AOC, Sod activity, sod mRNA expression and a reduced MDA content. Similarly, detoxification related enzyme activities (ethoxyresorufin O-deethylase and glutathione-S-transferase (GST)) and their corresponding gene expressions (cyp3a (cytochrome P450 family 3 subfamily A) and gst) were suppressed in the ds-Nrf2 injection group, while they were elevated in the SFN group. In addition, ds-Nrf2 activated mitochondrial apoptotic pathway, as evidenced the mRNA and protein levels of caspase-3, Bcl2 associated X protein (Bax), and p53, while SFN treatment suppressed them. These results displayed that in M. japonicus Cd-induced cellular oxidative damage probably acts via the Nrf2 pathway.
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Affiliation(s)
- Xianyun Ren
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, PR China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, PR China
| | - Yao Xu
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, PR China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, PR China; Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang, PR China
| | - Zhenxing Yu
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, PR China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, PR China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, PR China
| | - Cuimin Mu
- Aquaculture Research Lab, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, PR China
| | - Ping Liu
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, PR China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, PR China
| | - Jian Li
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, PR China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, PR China.
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15
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Elia AC, Burioli E, Magara G, Pastorino P, Caldaroni B, Menconi V, Dörr AJM, Colombero G, Abete MC, Prearo M. Oxidative stress ecology on Pacific oyster Crassostrea gigas from lagoon and offshore Italian sites. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 739:139886. [PMID: 32554117 DOI: 10.1016/j.scitotenv.2020.139886] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 05/27/2020] [Accepted: 05/31/2020] [Indexed: 05/29/2023]
Abstract
Crassostrea gigas is a sentinel species along the Italian coast. In mussels, the levels of oxidative stress biomarkers can be modulated by several environmental pollutants or pathogens and also fluctuate in response to reproductive stages and seasonal changes. In this study, adult Crassostrea gigas were sampled during summer and autumn from two lagoon and two offshore sites along the Adriatic coast of Italy in order to investigate the influence of seasonality on oxidative stress biomarkers. Trace elements load of Al, As, Cd, Cr, Cu, Fe, Mn, Ni, Pb, Se and Zn suggests low contamination for lagoon and offshore sites. Levels of total glutathione, superoxide dismutase, catalase, glutathione peroxidases, glutathione reductase and glutathione S-transferase were analyzed in digestive gland and gills of the Pacific oysters in June, July, September and October. OsHV-1 and Vibrio aestuarianus were detected in lagoon sites, but both pathogens did not affect the biomarkers levels in both tissues. Although several biological responses were found different among the four sites in the same month, principal component analysis revealed similar trend in biomarkers levels between sites during the whole sampling period. On the other hand, a different biochemical pattern through the months emerged, suggesting that the level of oxidative stress biomarkers in both tissues may be related to seasonal progress and biological cycle of oysters sampled from the two lagoons and offshore sites along the Italian coasts of the Mediterranean Sea.
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Affiliation(s)
- Antonia Concetta Elia
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy.
| | | | - Gabriele Magara
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
| | - Paolo Pastorino
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154 Torino, Italy
| | - Barbara Caldaroni
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
| | - Vasco Menconi
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154 Torino, Italy
| | | | - Giorgio Colombero
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154 Torino, Italy
| | - Maria Cesarina Abete
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154 Torino, Italy
| | - Marino Prearo
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154 Torino, Italy
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16
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Shui Y, Xie J, Zhou Y, Li J, Gan J. Molecular characterization of p38 MAPK and tissue-specific expression under cadmium stress in red swamp crayfish (Procambarus clarkii). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 720:137325. [PMID: 32143056 DOI: 10.1016/j.scitotenv.2020.137325] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 02/13/2020] [Accepted: 02/13/2020] [Indexed: 05/06/2023]
Abstract
Keeping harmful pollutants out of some crucial tissues as much as possible is a key trait for the organism to survive in adverse conditions, such as in heavy-metal contaminated aquatic environments. In the current study, it was hypothesized that the p38 Mitogen-activated Protein Kinase (MAPK) controls the distribution of cadmium (Cd) in red swamp crayfish (Procambarus clarkii) by regulating the accumulation of Cd in different tissues under Cd-stressed conditions. To test this hypothesis, this study analyzed the p38 MAPK gene and compared the differential expression levels in the heart, antennal gland, gill, hepatopancreas, and muscles. Differences in expression levels of p38 MAPK gene between different tissues were conducted under controlled Cd exposure. This study found that the expression of p38 MAPK is tissue-specific in all tested samples under non-stressed condition. Under Cd-stressed condition and with the prolongation of Cd exposure time, the content of Cd in all examined tissues of P. clarkii has substantially increased compared to the control, although the Cd contents in the heart, antennal gland, and muscle remained relatively lower than those observed in the hepatopancreas. Consequently, the levels of p38 MAPK in the heart, antennal gland, and muscle were higher than the level in the hepatopancreas. These results indicate that p38 MAPK regulates the distribution and accumulation of Cd in different tissues of P. clarkii under Cd-stressed condition. Furthermore, the results suggested that the higher expression of p38 MAPK played a crucial role in keeping Cd out of the tissues in the Cd-rich aquatic environment to maintain the normal physiological function of the red swamp crayfish, a process necessary for survival and growth.
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Affiliation(s)
- Yahui Shui
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, Hubei 430223, China; School of Environmental Engineering, Wuhan Textile University, Wuhan, Hubei 430073, PR China
| | - Junpu Xie
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, Hubei 430223, China; School of Environmental Engineering, Wuhan Textile University, Wuhan, Hubei 430073, PR China
| | - Yong Zhou
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, Hubei 430223, China
| | - Jinping Li
- School of Environmental Engineering, Wuhan Textile University, Wuhan, Hubei 430073, PR China.
| | - Jinhua Gan
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, Hubei 430223, China.
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17
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Pastorino P, Elia AC, Caldaroni B, Menconi V, Abete MC, Brizio P, Bertoli M, Zaccaroni A, Gabriele M, Dörr AJM, Pizzul E, Prearo M. Oxidative stress ecology in brook trout (Salvelinus fontinalis) from a high-mountain lake (Cottian Alps). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 715:136946. [PMID: 32007898 DOI: 10.1016/j.scitotenv.2020.136946] [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: 11/07/2019] [Revised: 01/24/2020] [Accepted: 01/24/2020] [Indexed: 06/10/2023]
Abstract
High-mountain lakes are pristine ecosystems characterized by extreme environmental conditions. The atmospheric transport of pollutants from lowlands may add further stress to organisms inhabiting these environments. We investigated the environmental stress pressure on brook trout (Salvelinus fontinalis) from a high-mountain lake in the Cottian Alps (Piedmont, northwest Italy). To do this, males and females of brook trout were sampled from Balma Lake in summer (August) and autumn (October) 2017 in order to assess the influence of trace elements accumulation and environmental parameters (physicochemical parameters and nutrient characteristics of water) on oxidative stress biomarkers. Bioaccumulation of Al, As, Cd, Cr, Cu, Fe, Hg, Pb, Ni, Se, and Zn and metallothionein levels were measured in muscle tissue of males and females. Liver, gills, kidney, and spleen tissue samples were analyzed for superoxide dismutase, catalase, total glutathione peroxidase, selenium-dependent glutathione peroxidase, glutathione reductase, and glutathione S-transferase activity. Analysis of environmental parameters showed changes in biomarker levels with seasonal variations. Water temperature was significantly higher in summer than autumn (Wilcoxon test; p = .0078), while pH was significantly higher in autumn than in summer (Wilcoxon test; p = .0078). Sex-related differences in oxidative stress biomarkers in tissues were unremarkable, whereas seasonal variability of oxidative stress biomarkers was observed, with major differences occurred for liver in summer and for gills, kidney, spleen and muscle in autumn. Positive correlations between environmental parameters and biomarkers were noted. Major fluctuations in water temperature, pH, Cu, Pb and Hg produced changes in biomarker levels; however, increased food intake during the ice-free season was probably the main factor that influenced changes in oxidative stress biomarker levels in brook trout in this extreme ecosystem.
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Affiliation(s)
- Paolo Pastorino
- Department of Life Sciences, University of Trieste, via Giorgieri 10, 34127 Trieste, Italy; The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154 Torino, Italy.
| | - Antonia Concetta Elia
- Department of Chemistry Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Barbara Caldaroni
- Department of Chemistry Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy
| | - Vasco Menconi
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154 Torino, Italy
| | - Maria Cesarina Abete
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154 Torino, Italy
| | - Paola Brizio
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154 Torino, Italy
| | - Marco Bertoli
- Department of Life Sciences, University of Trieste, via Giorgieri 10, 34127 Trieste, Italy
| | - Annalisa Zaccaroni
- Department of Veterinary Medical Science, University of Bologna, viale Vespucci 2, 47042 Cesenatico (FC), Italy
| | - Magara Gabriele
- Department of Chemistry Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy
| | - Ambrosius Josef Martin Dörr
- Department of Chemistry Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy
| | - Elisabetta Pizzul
- Department of Life Sciences, University of Trieste, via Giorgieri 10, 34127 Trieste, Italy
| | - Marino Prearo
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, via Bologna 148, 10154 Torino, Italy
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18
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Zhang Y, Li Z, Kholodkevich S, Sharov A, Feng Y, Ren N, Sun K. Microcystin-LR-induced changes of hepatopancreatic transcriptome, intestinal microbiota, and histopathology of freshwater crayfish (Procambarus clarkii). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 711:134549. [PMID: 31810700 DOI: 10.1016/j.scitotenv.2019.134549] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 08/19/2019] [Accepted: 09/17/2019] [Indexed: 06/10/2023]
Abstract
As a hepatotoxin, microcystin-LR (MC-LR) poses a great threat to aquatic organisms. In this research, the hepatopancreatic transcriptome, intestinal microbiota, and histopathology of Procambarus clarkii (P. clarkii) in response to acute MC-LR exposure were studied. RNA-seq analysis of hepatopancreas identified 372 and 781 differentially expressed genes (DEGs) after treatment with 10 and 40 μg/L MC-LR, respectively. Among the DEGs, 23 genes were immune-related and 21 genes were redox-related. GO functional enrichment analysis revealed that MC-LR could impact nuclear-transcribed mRNA catabolic process, cobalamin- and heme-related processes, and sirohydrochlorin cobaltochelatase activity of P. clarkii. In addition, the only significantly enriched KEGG pathway induced by MC-LR was galactose metabolism pathway. Meanwhile, sequencing of the bacterial 16S rRNA gene demonstrated that MC-LR decreased bacterial richness and diversity, and altered the intestinal microbiota composition. At the phylum level, after 96 h, the abundance of Verrucomicrobia decreased after treatment with 10 and 40 μg/L MC-LR, while Firmicutes increased in the 40 μg/L MC-LR-treated group. At the genus level, the abundances of 15 genera were significantly altered after exposure to MC-LR. Our research demonstrated that MC-LR exposure caused histological alterations such as structural damage of hepatopancreas and intestines. This research provides an insight into the mechanisms associated with MC-LR toxicity in aquatic crustaceans.
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Affiliation(s)
- Yu Zhang
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Zheyu Li
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Sergey Kholodkevich
- Institute of Earth Sciences, Saint-Petersburg State University, Saint-Petersburg 199034, Russia; Saint-Petersburg Scientific Research Center for Ecological Safety, Russian Academy of Sciences, Saint-Petersburg 197110, Russia
| | - Andrey Sharov
- Saint-Petersburg Scientific Research Center for Ecological Safety, Russian Academy of Sciences, Saint-Petersburg 197110, Russia; Papanin Institute for Biology of the Inland Waters, Russian Academy of Sciences, Borok 152742, Russia
| | - Yujie Feng
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Nanqi Ren
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Kai Sun
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
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Huo J, Dong A, Yan J, Dong A. Effects of cadmium on the gene transcription of the liver in the freshwater turtle (Chinemys reevesii). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:8431-8438. [PMID: 31902076 DOI: 10.1007/s11356-019-07432-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 12/17/2019] [Indexed: 06/10/2023]
Abstract
This study investigated the related gene transcription of liver in freshwater turtle Chinemys reevesii exposed to cadmium (Cd). After acclimation, healthy turtles were selected for experiments. They were randomly divided into four experimental groups and each group had 5 animals. The turtles were treated with 0 mg/kg, 7.5 mg/kg, 15 mg/kg, and 30 mg/kg Cd chloride separately by intraperitoneal injection. Liver samples were collected for examination of the transcription of related genes at 2 weeks after Cd exposure. The transcription of mRNA of MT, SOD, CAT, PNKP, and GPX4 genes in turtle liver cells were analyzed. Results showed that Cd promoted MT mRNA transcription in turtle's liver at low dose (7.5 mg/kg) and inhibited MT mRNA transcription in turtle's liver at middle dose (15 mg/kg) and high dose (30 mg/kg). Cd inhibited the transcription of SOD, CAT, and PNKP mRNA in turtle's liver, and the inhibition was obvious at high dose (30 mg/kg). Cd promoted GPX4 mRNA transcription in turtle's liver, especially at low dose (7.5 mg/kg). In conclusion, Cd had different effects on the mRNA transcription of liver cells in the freshwater turtle Chinemys reevesii exposed to Cd.
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Affiliation(s)
- Junfeng Huo
- Shanxi Key Laboratory of Chinese Medicine Encephalopathy, Shanxi University of Chinese Medicine, Taiyuan, Shanxi Province, China
| | - Aiguo Dong
- Shanxi Key Laboratory of Chinese Medicine Encephalopathy, Shanxi University of Chinese Medicine, Taiyuan, Shanxi Province, China.
| | - Juanjuan Yan
- Shanxi Key Laboratory of Chinese Medicine Encephalopathy, Shanxi University of Chinese Medicine, Taiyuan, Shanxi Province, China
| | - Ailing Dong
- Qianan Agriculture Animal Husbandry and Fishery Bureau, Tangshan, Hebei Province, China
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20
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Chalghmi H, Bourdineaud JP, Chbani I, Haouas Z, Bouzid S, Er-Raioui H, Saidane-Mosbahi D. Occurrence, sources and effects of polycyclic aromatic hydrocarbons in the Tunis lagoon, Tunisia: an integrated approach using multi-level biological responses in Ruditapes decussatus. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:3661-3674. [PMID: 30675713 DOI: 10.1007/s11356-019-04220-3] [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: 06/22/2018] [Accepted: 01/10/2019] [Indexed: 06/09/2023]
Abstract
Coastal lagoons are critical ecosystems presenting a strategic economic importance, but they are subjected to potential anthropogenic impact. As part of the Tunis lagoon (Tunisia) biomonitoring study, levels, composition pattern and sources of polycyclic aromatic hydrocarbons (PAHs) in surface sediments along with their bioavailability in clam Ruditapes decussatus were investigated in polluted (S2-S4) and reference (S1) sites. In order to investigate the contamination effects at different biological levels in clams, a wide set of biomarkers, including gene expression changes, enzymatic activities disruption and histopathological alterations, was analysed. Biomarkers were integrated in a biomarker index (IBR index) to allow a global assessment of the biological response. Principal component analysis (PCA) was used for chemical and biological data integration to rank the sampling sites according to their global environmental quality. Sediment PAHs levels ranged between 144.5 and 3887.0 ng g-1 dw in the Tunis lagoon sites versus 92.6 ng g-1 dw in the reference site. The high PAH concentrations are due to anthropogenic activities around the lagoon. PAH composition profiles and diagnostic isomer ratios analysis indicated that PAHs were of both pyrolitic and petrogenic origins. Clams sampled from S2 and S3 exhibited the highest PAH contents with 2192.6 ng g-1 dw and 2371.4 ng g-1 dw, respectively. Elevated levels of tissue PAHs were associated to an increase in biotransformation and antioxidant activities, and lipid peroxidation levels along with an overexpression of different genes encoding for general stress response, mitochondrial metabolism and antioxidant defence, in addition to the emergence of severe and diverse histopathological alterations in the clams' digestive glands. IBR index was suitable for sampling sites ranking (S1 = 0 < S4 = 0.4 < S3 = 1.15 < S2 = 1.27) based on the level of PAH-induced stress in clams. PCA approach produced two components (PC1, 83.8% and PC2, 12.2%) that describe 96% of the variance in the data and thus highlighted the importance of integrating contaminants in sediments, their bioaccumulation and a battery of biomarkers of different dimensions for the assessment of global health status of coastal and lagoon areas.
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Affiliation(s)
- Houssem Chalghmi
- UMR CNRS 5805 EPOC, University of Bordeaux, Arcachon Marine Station, Place du Dr Peyneau, 33120, Arcachon, France.
- Laboratory of Analysis Treatment and Valorization of Environmental Pollutants and Products, Faculty of Pharmacy, University of Monastir, 5000, Monastir, Tunisia.
| | - Jean-Paul Bourdineaud
- UMR CNRS 5805 EPOC, University of Bordeaux, Arcachon Marine Station, Place du Dr Peyneau, 33120, Arcachon, France
| | - Ikram Chbani
- Laboratory of Environment, Oceanology and Natural Resources, Faculty of Sciences and Technology, University of Abdelmalek Essaâdi, B.P. 416, Tangier, Morocco
| | - Zohra Haouas
- Laboratory of Histology Cytology and Genetics, Faculty of Medicine, University of Monastir, 5019, Monastir, Tunisia
| | - Saida Bouzid
- Laboratory of Environment, Oceanology and Natural Resources, Faculty of Sciences and Technology, University of Abdelmalek Essaâdi, B.P. 416, Tangier, Morocco
| | - Hassan Er-Raioui
- Laboratory of Environment, Oceanology and Natural Resources, Faculty of Sciences and Technology, University of Abdelmalek Essaâdi, B.P. 416, Tangier, Morocco
| | - Dalila Saidane-Mosbahi
- Laboratory of Analysis Treatment and Valorization of Environmental Pollutants and Products, Faculty of Pharmacy, University of Monastir, 5000, Monastir, Tunisia
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21
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Rajakumar S, Abhishek A, Selvam GS, Nachiappan V. Effect of cadmium on essential metals and their impact on lipid metabolism in Saccharomyces cerevisiae. Cell Stress Chaperones 2020; 25:19-33. [PMID: 31823289 PMCID: PMC6985397 DOI: 10.1007/s12192-019-01058-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 11/14/2019] [Accepted: 11/28/2019] [Indexed: 01/09/2023] Open
Abstract
Cadmium (Cd) is a toxic heavy metal that induces irregularity in numerous lipid metabolic pathways. Saccharomyces cerevisiae, a model to study lipid metabolism, has been used to establish the molecular basis of cellular responses to Cd toxicity in relation to essential minerals and lipid homeostasis. Multiple pathways sense these environmental stresses and trigger the mineral imbalances specifically calcium (Ca) and zinc (Zn). This review is aimed to elucidate the role of Cd toxicity in yeast, in three different perspectives: (1) elucidate stress response and its adaptation to Cd, (2) understand the physiological role of a macromolecule such as lipids, and (3) study the stress rescue mechanism. Here, we explored the impact of Cd interference on the essential minerals such as Zn and Ca and their influence on endoplasmic reticulum stress and lipid metabolism. Cd toxicity contributes to lipid droplet synthesis by activating OLE1 that is essential to alleviate lipotoxicity. In this review, we expanded our current findings about the effect of Cd on lipid metabolism of budding yeast.
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Affiliation(s)
- Selvaraj Rajakumar
- Eukaryotic Biology Lab, Department of Biochemistry, School of Biological Sciences, Madurai Kamaraj University, Madurai, Tamil Nadu, 625021, India.
- Biomembrane Lab, Department of Biochemistry, Centre for Excellence in Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, 620024, India.
- Department of Pediatrics, Heritage Medical Research Centre, University of Alberta, Edmonton, Alberta, T6G 2S2, Canada.
| | - Albert Abhishek
- Eukaryotic Biology Lab, Department of Biochemistry, School of Biological Sciences, Madurai Kamaraj University, Madurai, Tamil Nadu, 625021, India
| | - Govindan Sadasivam Selvam
- Eukaryotic Biology Lab, Department of Biochemistry, School of Biological Sciences, Madurai Kamaraj University, Madurai, Tamil Nadu, 625021, India
| | - Vasanthi Nachiappan
- Biomembrane Lab, Department of Biochemistry, Centre for Excellence in Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, 620024, India
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22
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Zhang Y, Li Z, Kholodkevich S, Sharov A, Feng Y, Ren N, Sun K. Cadmium-induced oxidative stress, histopathology, and transcriptome changes in the hepatopancreas of freshwater crayfish (Procambarus clarkii). THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 666:944-955. [PMID: 30970501 DOI: 10.1016/j.scitotenv.2019.02.159] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 02/01/2019] [Accepted: 02/10/2019] [Indexed: 05/06/2023]
Abstract
Cadmium (Cd) is a common contaminant in environment. Crayfish are considered suitable for indicating the impact of heavy metals on the environment. However, there is limited information on the mechanisms causing damage to the hepatopancreas of Procambarus clarkii exposed to Cd. We exposed adult male P. clarkii to 2.0, 5.0, and 10.0 mg/L Cd for 24, 48, and 72 h to explore Cd toxicity. Afterwards, we measured bioaccumulations in the hepatopancreas and determined malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), and glutathione S-transferase (GST). Additionally, the hepatopancreas histopathology was analyzed and the transcriptome analysis of the P. clarkii hepatopancreas under Cd stress was conducted. The results revealed that hepatopancreas could accumulate Cd in a time- and dose-dependent manner. Cd induced significant changes in MDA content and antioxidant enzyme activity. Severe histological alterations were observed in crayfish hepatopancreas. After 72 h exposure to 2.0, 5.0, and 10.0 mg/L Cd, transcriptome analysis identified 1061, 747, and 1086 differentially expressed genes (DEGs), respectively. Exposure to 5.0 mg/L Cd inhibited heme binding, tetrapyrrole binding, iron ion binding and activity of oxidoreductase and sulfotransferase, while exposure to 10.0 mg/L Cd enhanced the export of matters from nucleus. In the hepatopancreas treated with 10.0 mg/L Cd, pathways related to diseases and immune system were significantly enriched. Meanwhile, 31, 31, 24, 7, and 12 identified DEGs were associated with the oxidation-reduction process, immune system, ion homeostasis, digestion and absorption, and ATPases, respectively. Our study provides comprehensive information for exploring the toxic mechanisms of Cd and candidate biomarkers for aquatic Cd risk evaluation.
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Affiliation(s)
- Yu Zhang
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Zheyu Li
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Sergey Kholodkevich
- Institute of Earth Sciences, Saint-Petersburg State University, Saint-Petersburg 199034, Russia
| | - Andrey Sharov
- Institute of Earth Sciences, Saint-Petersburg State University, Saint-Petersburg 199034, Russia
| | - Yujie Feng
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Nanqi Ren
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Kai Sun
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
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23
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Dairain A, Legeay A, Gernigon V, de Montaudouin X. How does the bopyrid isopod Gyge branchialis interfere with trace metal bioaccumulation in the mud shrimp Upogebia cf. pusilla? Parasitol Res 2018; 118:363-367. [PMID: 30465072 DOI: 10.1007/s00436-018-6148-4] [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: 08/06/2018] [Accepted: 11/12/2018] [Indexed: 10/27/2022]
Abstract
Parasites are widespread in natural environments, and their impacts on the fitness of their host and, at a broader scale, on ecosystem functioning are well recognized. Over the last two decades, there has been an increasing interest in the effects of parasites in conjunction with other stressors, especially pollutants, on the health of organisms. For instance, parasites can interfere with the bioaccumulation process of contaminants in their host leading to parasitized organisms exhibiting lower pollutants burdens than unparasitized individuals for example. However, the mechanisms underlying these patterns are not well understood. This study examined how the bopyrid parasite Gyge branchialis could lower the cadmium (Cd) uptake of its mud shrimp host Upogebia cf. pusilla. When exposed to water-borne Cd, parasites were able to bioaccumulate this trace metal. However, the uptake of Cd by the parasite was low and cannot entirely explain the deficit of Cd contamination of the host. The weight of gills of parasitized organisms was significantly reduced compared with unparasitized organisms. We suggest that by reducing the surface for metal uptake, parasites could lower the contaminant burden of their host.
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Affiliation(s)
| | - Alexia Legeay
- Univ. Bordeaux, EPOC, UMR CNRS 5805, F-33400, Talence, France
| | - Valentine Gernigon
- Univ. Bordeaux, EPOC, UMR CNRS 5805, F-33400, Talence, France.,Univ. Lyon I, F-69100, Villeurbanne, France
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24
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Dairain A, de Montaudouin X, Gonzalez P, Ciutat A, Baudrimont M, Maire O, Legeay A. Do trace metal contamination and parasitism influence the activities of the bioturbating mud shrimp Upogebia cf. pusilla? AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 204:46-58. [PMID: 30189350 DOI: 10.1016/j.aquatox.2018.08.019] [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: 07/13/2018] [Revised: 08/27/2018] [Accepted: 08/27/2018] [Indexed: 06/08/2023]
Abstract
Mud shrimp are considered as among the most influential ecosystem engineers in marine soft bottom environments because of their significant bioturbation activity and their high density. These organisms play a key role on the physical structure of sediments through intense sediment reworking activity and also deeply influence geochemical properties of sediments via frequent bioirrigation events. The influence that mud shrimp have on the environment is related to the magnitude of bioturbation processes and subsequently depends on their physiological condition. In natural environments, several factors act together and influence the well-being of organisms. Among them, the deleterious role of parasites on the physiology and the behavior of their host is well established. Aquatic organisms are also subject to pollutants released by anthropogenic activities. However, the effect of both stressors on the fitness and bioturbation activity of mud shrimp has never been investigated yet. We conducted a 14-day ex-situ experiment to evaluate the influence of trace metal contamination (cadmium Cd) and parasitism infestation on the gene expression (molecular endpoint) and sediment reworking activity (behavioral endpoint) of the mud shrimp Upogebia cf. pusilla. At completion, mud shrimp exhibited substantial Cd bioaccumulation, with parasitized organisms showing a significantly lower contaminant burden than unparasitized specimens. Cadmium contamination induces modifications of gene expression in both unparasitized and parasitized organisms. We report an antagonistic effect of both stressors on gene expression, which cannot be fully explained by a lower Cd bioaccumulation. At the behaviour level, parasitism seems to reduce the sediment reworking activity of mud shrimp, while Cd contamination appears to stimulate this activity. This study highlights that the effects of multiple stressors may be quite different from the effects of each stressor considered individually. It should also motivate for more studies evaluating the influence of multiple stressors on different endpoints encompassing various levels of organization.
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Affiliation(s)
| | | | | | | | | | - Olivier Maire
- Univ Bordeaux, EPOC, UMR CNRS 5805, F-33400 Talence, France
| | - Alexia Legeay
- Univ Bordeaux, EPOC, UMR CNRS 5805, F-33400 Talence, France
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25
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Cheng L, Zhou JL, Cheng J. Bioaccumulation, tissue distribution and joint toxicity of erythromycin and cadmium in Chinese mitten crab (Eriocheir sinensis). CHEMOSPHERE 2018; 210:267-278. [PMID: 30005348 DOI: 10.1016/j.chemosphere.2018.07.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 06/20/2018] [Accepted: 07/01/2018] [Indexed: 06/08/2023]
Abstract
The bioaccumulation of erythromycin (ETM) and cadmium (Cd) in Chinese mitten crab (Eriocheir sinensis) and subsequent toxicity on pathological changes and enzymatic activities were investigated during 21-day exposure to ETM, Cd, and Cd + ETM mixture. The bioaccumulation of Cd and ETM residues in crab tissues decreased as gill > hepatopancreas > muscle > ovary, with higher Cd bioaccumulation than ETM. The highest Cd bioaccumulation in crab reached 1.15 mg/g dry weight in gill and 461.29 μg/g in hepatopancreas, on the 14th day of Cd treatment. Cd exposure promoted the bioaccumulation of ETM in four tissues. ETM exposure caused tubular vacuolization in epithelial and edema and degeneration of hepatic ducts in hepatopancreas, and disconnected gill epithelial layer and indistinctly cellular structure in gill. During Cd exposure, mitochondria acted as a main biomarker to identify the damage, including reduced and swollen mitochondria, and broken mitochondrial structure. Moreover, Chinese mitten crab showed defence capability against ETM and Cd exposure by physiological adjustment of metabolic enzymes glutathione S-transferase activity.
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Affiliation(s)
- Lin Cheng
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Science, Shanghai, 201106, China
| | - Jun Liang Zhou
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 3663 North Zhongshan Road, Shanghai, 200062, China.
| | - Jinping Cheng
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 3663 North Zhongshan Road, Shanghai, 200062, China
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26
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Dairain A, de Montaudouin X, Gonzalez P, Ciutat A, Baudrimont M, Maire O, Gourves PY, Daffe G, Legeay A. Influence of the bioturbator Upogebia cf. pusilla on trace metal remobilization: Does parasitism matter? MARINE ENVIRONMENTAL RESEARCH 2018; 139:87-98. [PMID: 29773317 DOI: 10.1016/j.marenvres.2018.05.014] [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: 02/07/2018] [Revised: 05/04/2018] [Accepted: 05/07/2018] [Indexed: 06/08/2023]
Abstract
Marine sediments are an important source of contaminants since they are susceptible to be remobilized to the water column. By modifying the physical and biogeochemical characteristics of sediments, bioturbation can influence contaminants remobilization. Within bioturbators, mud shrimp are considered as among the most influential organisms in marine soft-bottom environments. The physiological state of mud shrimp can be impaired by bopyrid parasites. The present study aims to evaluate the influence of bopyrid-uninfested and bopyrid-infested mud shrimp on sediment contaminants resuspension. Through a 14-days ex-situ experiment we showed a moderate effect of mud shrimp on contaminant remobilization compared to molecular diffusion without the bioturbator. Conversely, parasite presence significantly impaired contaminant bioaccumulation in mud shrimp and interfered with genetic expression. The weak effect of mud shrimp on contaminant remobilization may be due to trace metal accumulation and thus we suggested to evaluate the influence of contaminants on activities of bioturbating species.
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Affiliation(s)
| | | | | | | | | | - Olivier Maire
- Univ. Bordeaux, EPOC, UMR CNRS 5805, F-33400, Talence, France
| | | | - Guillemine Daffe
- CNRS, Univ. Bordeaux, Observatoire Aquitain des Sciences de l'Univers, UMS 2567 POREA, F-33615, Pessac, France
| | - Alexia Legeay
- Univ. Bordeaux, EPOC, UMR CNRS 5805, F-33400, Talence, France
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27
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Magara G, Elia AC, Syberg K, Khan FR. Single contaminant and combined exposures of polyethylene microplastics and fluoranthene: accumulation and oxidative stress response in the blue mussel, Mytilus edulis. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2018; 81:761-773. [PMID: 29969377 DOI: 10.1080/15287394.2018.1488639] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 06/10/2018] [Accepted: 06/11/2018] [Indexed: 05/29/2023]
Abstract
The microplastic "vector effect" has received increasing attention. The aim of this study was to investigate the influence of polyethylene microplastic beads (PE MP) on accumulation and associated oxidative stress responses attributed to fluoranthene (Flu) in blue mussels, Mytilus edulis. Blue mussels were exposed for 96 h to four treatment groups: Flu-only, MP-only, Flu and MP coexposure, and Flu-incubated MP. Treatments were conducted at a low and high concentration (50 μg/L and 100 Flu μg/L and 100, and 1000 MP/mL). Results demonstrated that in both the gill and digestive gland, coexposure did not markedly affect Flu uptake, but this treatment significantly decreased tissue Flu concentrations. Antioxidant responses including activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidases (GPx), and levels of total glutathione (GSH) in both gills and digestive glands were significantly altered suggesting a perturbation of redox state induced by the exposure conditions. Although individual biomarkers varied, the biomarker profile enabled certain generalizations to be made. Antioxidant responses occurred more likely in gill tissue than in digestive gland. Individual contaminant exposures to Flu or MP led to varying responses, but coexposures and incubated exposures did not result in additive or synergistic effects. Exposure concentrations (i.e., low or high treatments) were not a consistent a predictor of response; and the internal Flu dose did not consistently predict outcome of various biomarkers. Importantly, MP-only exposure appeared to be capable of eliciting direct effects on the oxidative stress system as demonstrated by the activities of CAT and GPx. These findings warrant further investigation.
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Affiliation(s)
- Gabriele Magara
- a Department of Chemistry, Biology and Biotechnology , University of Perugia , Perugia , Italy
| | - Antonia Concetta Elia
- a Department of Chemistry, Biology and Biotechnology , University of Perugia , Perugia , Italy
| | - Kristian Syberg
- b Department of Science and Environment , Roskilde University , Roskilde , Denmark
| | - Farhan R Khan
- b Department of Science and Environment , Roskilde University , Roskilde , Denmark
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28
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Elia AC, Magara G, Caruso C, Masoero L, Prearo M, Arsieni P, Caldaroni B, Dörr AJM, Scoparo M, Salvati S, Brizio P, Squadrone S, Abete MC. A comparative study on subacute toxicity of arsenic trioxide and dimethylarsinic acid on antioxidant status in Crandell Rees feline kidney (CRFK), human hepatocellular carcinoma (PLC/PRF/5), and epithelioma papulosum cyprini (EPC) cell lines. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2018; 81:333-348. [PMID: 29498595 DOI: 10.1080/15287394.2018.1442758] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 02/15/2018] [Accepted: 02/15/2018] [Indexed: 05/29/2023]
Abstract
Arsenic (As) is a global contaminant of terrestrial and aquatic environments posing concern for environmental and human health. The effects of subacute concentrations of arsenic trioxide (AsIII) and dimethylarsinic acid (DMAV) were examined using Crandell Rees feline kidney (CRFK), human hepatocellular carcinoma (PLC/PRF/5), and epithelioma papulosum cyprini (EPC). Whole monolayer with suffering cells (confluence 100%, pyknosis and refractive cells; value scale = 2) led to identification of subacute As concentrations for the three cell lines. The selected AsIII concentrations were 1.33 µM for CRFK and 33.37 µM for PLC/PRF/5 and EPC, at 48 hr time point. The selected DMAV concentrations were 0.67 mM for PLC/PRF/5, 1.33 mM for CRFK, and 2.67 mM for EPC for 48 hr. Unlike the AsIII test, the three cell lines did not exhibit marked susceptibility to DMAV-mediated toxicity. Several oxidative stress biomarker levels, directly or indirectly associated with reactive oxygen species (ROS) elimination including superoxide dismutase, catalase, glutathione peroxidases, glutathione reductase, glutathione S-transferase, glyoxalase I, glyoxalase II, and total glutathione, were determined in the three cell lines at 24 and 48 hr. Antioxidant responses in metal-treated cells were significantly altered compared to controls, suggesting a perturbation of redox state. The weakening of antioxidant pathway in either healthy or tumoral cells was greater using AsIII than DMAV. Differences in level of several oxidative stress biomarkers suggest that the oxidative stress mechanism induced by AsIII is distinctly different from DMAV. Multifaceted mechanisms of action underlying ROS generation in tumor and nontumor cells versus AsIII and DMAV exposure are thus involved. Since As-mediated toxicity is quite complex, more data regarding both oxidant-enhancement and oxidant-lowering strategies may be useful to improve knowledge regarding the influence of As on human and animal cells.
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Affiliation(s)
- Antonia Concetta Elia
- a Dipartimento di Chimica, Biologia e Biotecnologie , Università degli Studi di Perugia , Perugia , Italy
| | - Gabriele Magara
- a Dipartimento di Chimica, Biologia e Biotecnologie , Università degli Studi di Perugia , Perugia , Italy
| | - Claudio Caruso
- b Istituto Zooprofilattico Sperimentale del Piemonte , Torino , Italy
| | - Loretta Masoero
- b Istituto Zooprofilattico Sperimentale del Piemonte , Torino , Italy
| | - Marino Prearo
- b Istituto Zooprofilattico Sperimentale del Piemonte , Torino , Italy
| | - Paola Arsieni
- b Istituto Zooprofilattico Sperimentale del Piemonte , Torino , Italy
| | - Barbara Caldaroni
- a Dipartimento di Chimica, Biologia e Biotecnologie , Università degli Studi di Perugia , Perugia , Italy
| | | | - Melissa Scoparo
- a Dipartimento di Chimica, Biologia e Biotecnologie , Università degli Studi di Perugia , Perugia , Italy
| | - Stefania Salvati
- b Istituto Zooprofilattico Sperimentale del Piemonte , Torino , Italy
| | - Paola Brizio
- b Istituto Zooprofilattico Sperimentale del Piemonte , Torino , Italy
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29
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Zhu QH, Zhou ZK, Tu DD, Zhou YL, Wang C, Liu ZP, Gu WB, Chen YY, Shu MA. Effect of cadmium exposure on hepatopancreas and gills of the estuary mud crab (Scylla paramamosain): Histopathological changes and expression characterization of stress response genes. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 195:1-7. [PMID: 29197714 DOI: 10.1016/j.aquatox.2017.11.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 11/24/2017] [Accepted: 11/28/2017] [Indexed: 06/07/2023]
Abstract
Cadmium (Cd) is a heavy metal that accumulates easily in organisms and causes several detrimental effects, including tissue damage. Cd contamination from anthropogenic terrestrial sources flows into rivers, and through estuaries to the ocean. To evaluate the toxic effects of Cd on estuary crustaceans, we exposed the mud crab Scylla paramamosain to various Cd concentrations (0, 10.0, 20.0, and 40.0mg/L) for 24h. We also exposed mud crabs to a fixed Cd concentration (20.0mg/L) for various periods of time (0, 6, 12, 24, 48, and 72h). We observed that after exposure to Cd, the surfaces of the gill lamellae were wrinkled, and the morphologies of the nuclei and mitochondria in the hepatopancreas were altered. We analyzed the expression profiles of 36 stress-related genes after Cd exposure, including those encoding metallothioneins, heat shock proteins, apoptosis-related proteins, and antioxidant proteins, with quantitative reverse transcription PCR. We found that exposure to Cd altered gene expression, and that some genes might be suitable bioindicators of Cd stress. Gene expression profiles were organ-, duration-, and concentration-dependent, suggesting that stress-response genes might be involved in an innate defense system for handling heavy metal exposure. To the best of our knowledge, this study is the first one of histopathology and stress-response gene expression pattern of Scylla paramamosain after Cd exposure. Our work could increase our understanding of the effect of environmental toxins on estuary crustaceans.
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Affiliation(s)
- Qi-Hui Zhu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Zhong-Kai Zhou
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Dan-Dan Tu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Yi-Lian Zhou
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Cong Wang
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Ze-Peng Liu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Wen-Bin Gu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Yu-Yin Chen
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China.
| | - Miao-An Shu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China.
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30
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Hanana H, Turcotte P, André C, Gagnon C, Gagné F. Comparative study of the effects of gadolinium chloride and gadolinium - based magnetic resonance imaging contrast agent on freshwater mussel, Dreissena polymorpha. CHEMOSPHERE 2017; 181:197-207. [PMID: 28437745 DOI: 10.1016/j.chemosphere.2017.04.073] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 04/10/2017] [Accepted: 04/16/2017] [Indexed: 06/07/2023]
Abstract
Gadolinium (Gd), a metal of the lanthanide series used in various industrial and medical purposes is released into the aquatic environment. However, there are few aquatic toxicological studies addressing environmental effects of Gd which remains unknown in aquatic animals. Therefore, this study aimed to compare the effects of GdCl3 and a gadolinium-based MRI contrast agent (Omniscan), in zebra mussels after 28 days through a multibiomarker approach. Data revealed that after GdCl3 exposure, the mRNA level of metallothionein (MT) was modulated, those of cytochrome c oxidase (CO1) and superoxide dismutase (SOD) were increased, while gene expressions of catalase (CAT) and glutathione-S-transferase (GST) were downregulated. Furthermore, neither lipoperoxidation (LPO) nor genotoxicity were detected but only a decrease in the cyclooxygenase (COX) activity was observed. In addition, a significant correlation was found between biomarkers and bioaccumulated Gd, suggesting that mitochondrial and anti-inflammatory pathways were triggered with GdCl3. By opposition, the contrasting agent formulation induced downregulation of SOD, CAT, GST and CO1, a decrease in the level of LPO and an increase in the GST and COX activities. This suggests that the chelated form of Gd did not promote reactive oxygen species (ROS) production and exhibits antioxidant and proinflammatory effects in mussels. Therefore, this study revealed that ionic and the chelated form of Gd influence different cellular pathways to initiate cellular changes.
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Affiliation(s)
- Houda Hanana
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada.
| | - Patrice Turcotte
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada
| | - Chantale André
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada
| | - Christian Gagnon
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada
| | - François Gagné
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada.
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31
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Elia AC, Magara G, Righetti M, Dörr AJM, Scanzio T, Pacini N, Abete MC, Prearo M. Oxidative stress and related biomarkers in cupric and cuprous chloride-treated rainbow trout. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:10205-10219. [PMID: 28265874 DOI: 10.1007/s11356-017-8651-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 02/16/2017] [Indexed: 05/29/2023]
Abstract
We examined the time-course stress responses in the liver of rainbow trout exposed to cuprous chloride (CuCl) and cupric chloride (CuCl2). The treatment groups received a single intraperitoneal injection of CuCl or CuCl2 (both at a dose of 0.01 and 0.05 mg/kg); the control group received only the physiologic solution vehicle. Liver tissue samples were analyzed for total copper, superoxide dismutase, catalase, glutathione peroxidases, glutathione reductase, glutathione S-transferase, glyoxalases, and lactate dehydrogenase at 3, 6, and 9 days post-injection. Total glutathione, metallothionein, and malondialdehyde levels were also measured. The time course of metal accumulation differed between the groups; no dose-response relationship for metal load was found. Both copper species elicited significant changes in oxidative stress markers and in metal trapping. Copper underwent adaptive shifts in glutathione and metallothionein concentrations. The defense strategy primarily versus CuCl2 first involved glutathione, with a peak in metallothionein levels at day 6 for CuCl2 (at both doses) and for CuCl (0.05 mg/kg). Early stimulation of lipid peroxidation was noted after treatment with the higher copper dose and at day 9 after treatment with the lower dose of both CuCl and CuCl2. Antioxidant enzyme activity was impaired due to a more or a less severe oxidative stress condition in relation to the copper species and exposure time. Copper dynamics, in terms of metal accumulation and homeostatic regulation, is noticeably complex. The present findings may advance our understanding of the effects of both copper species on the antioxidant response of rainbow trout.
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Affiliation(s)
- Antonia Concetta Elia
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123, Perugia, Italy.
| | - Gabriele Magara
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123, Perugia, Italy
| | - Marzia Righetti
- Fish Disease Laboratory, State Veterinary Institute, 10154, Turin, Italy
| | | | - Tommaso Scanzio
- Fish Disease Laboratory, State Veterinary Institute, 10154, Turin, Italy
| | - Nicole Pacini
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123, Perugia, Italy
| | - Maria Cesarina Abete
- C.Re.A.A. National Reference Centre for the Surveillance and Monitoring of Animal Feed, State Veterinary Institute, 10154, Turin, Italy
| | - Marino Prearo
- Fish Disease Laboratory, State Veterinary Institute, 10154, Turin, Italy
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Svobodová J, Douda K, Fischer D, Lapšanská N, Vlach P. Toxic and heavy metals as a cause of crayfish mass mortality from acidified headwater streams. ECOTOXICOLOGY (LONDON, ENGLAND) 2017; 26:261-270. [PMID: 28108890 DOI: 10.1007/s10646-017-1760-0] [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] [Accepted: 01/10/2017] [Indexed: 06/06/2023]
Abstract
Mining activities are responsible for high concentrations of metals in river networks in many parts of the world. Mining activities and the resulting high loads of heavy metals interact with intensive acid rain, and often have great consequences for biodiversity. However, considering the frequently episodic nature of these heavy acid rains, there is little detailed evidence of direct impacts. In 2011 we observed a massive mortality of noble crayfish and stone crayfish in Padrťsko Special Area of Conservation (SAC) in the Brdy Mountain region of the Czech Republic. Based on concentrations of metals (Al, Fe, As, Cd, Pb, Cu, Zn and Hg) in various tissues (gills, hepatopancreas, muscle) of both dead and live crayfish in this locality compared to reference populations, these crayfish had experienced long-term exposure to increased levels of these metals. Here we give detailed documentation of crayfish mortality associated with high metal concentrations in the gills and other tissues of these endangered invertebrates.
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Affiliation(s)
- Jitka Svobodová
- T.G. Masaryk Water Research Institute, Podbabská 30, Prague 6, 160 62, Czech Republic.
| | - Karel Douda
- Department of Zoology and Fisheries, Faculty of Agrobiology Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, Prague, CZ, 165 21, Czech Republic
| | - David Fischer
- Mining Museum Příbram, Hynka Kličky Place No. 293, Příbram, VI, 261 01, Czech Republic
| | - Natalia Lapšanská
- Povodí Vltavy, State Enterprise, Holečkova 8, Prague 5, 150 24, Czech Republic
| | - Pavel Vlach
- Centre of Biology, Geoscience and Environmental Education, Department of Education of the University of West Bohemia, Klatovská 51, Plzeň, 306 19, Czech Republic
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Huang X, Li Y, Pan J, Li M, Lai Y, Gao J, Li X. RNA-Seq identifies redox balance related gene expression alterations under acute cadmium exposure in yeast. ENVIRONMENTAL MICROBIOLOGY REPORTS 2016; 8:1038-1047. [PMID: 27718328 DOI: 10.1111/1758-2229.12484] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 09/29/2016] [Indexed: 06/06/2023]
Abstract
The nonessential metal cadmium can cause cell toxicity and is associated with a range of human diseases including cardiovascular diseases, neurodegenerative diseases and cancers. In this study, cadmium-induced global gene expression profile of yeast was obtained using RNA Sequencing (RNA-Seq) and further analyzed by means of informatics and experiments. A total of 912 Differentially Expressed Genes (DEGs) (FDR of q < 0.01), including 415 Cd-inducible and 497 Cd-repressed genes were identified. Based on the DEGs, 25 cadmium responsive Clusters of Orthologous Group (COG) and three types of cadmium-induced Gene Ontology (GO) including cellular components, molecular functions and biological processes were analyzed in details. Thereafter, 79 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways under cadmium exposure were assigned. Collectively, 108 redox balance related genes were extracted under cadmium exposure. Meanwhile, cadmium exposure lowered cellular Mitochondrial Membrane Potential (MMP) and increased Reactive Oxygen Species (ROS) levels significantly in the context of mitochondrial dysfunction. Furthermore, cadmium exposure increased cellular GSH levels and decreased GSSG levels and also lowered GSSG/GSH ratio of cells, which supports experimentally our claim that the redox balance is the primary mechanism for cadmium toxicity. The results present in this study may provide new strategies for cadmium detoxification and prevention or therapies of cadmium-associated diseases.
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Affiliation(s)
- Xinhe Huang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Yuxing Li
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Jingmei Pan
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Ming Li
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Yongqin Lai
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Jie Gao
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Xueru Li
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
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Jin Y, Liu L, Zhang S, He R, Wu Y, Chen G, Fu Z. Cadmium exposure to murine macrophages decreases their inflammatory responses and increases their oxidative stress. CHEMOSPHERE 2016; 144:168-175. [PMID: 26363317 DOI: 10.1016/j.chemosphere.2015.08.084] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2015] [Revised: 08/20/2015] [Accepted: 08/29/2015] [Indexed: 06/05/2023]
Abstract
UNLABELLED Cadmium (Cd) is an environmental contaminant that poses serious risks to human and wildlife health. The oxidative stress and inflammatory responses induced by Cd were evaluated in RAW264.7 cells. A significant decrease in the cell viability was observed in the group treated with 3 µM Cd for 24 h. The mRNA levels of tumor necrosis factor-α (TNFα), interleukin-6 (IL6), interleukin-1α (IL1α) and Interleukin-1β (IL1β) were generally increased or decreased by Cd exposure for 6 and 24 h, respectively. Moreover, pretreatment of the RAW264.7 cells with Cd for 24 h inhibited the transcriptional status of TNFα, IL6, IL1α and IL1β and the release of these cytokines in response to a 6-h lipopolysaccharide (LPS) treatment in a dose-dependent manner. Furthermore, the Cd exposure elicited oxidative stress not only by disturbing the transcriptional status of genes including superoxide dismutase (Sod), catalase (Cat), glutathione peroxidase(Gpx), glutathione S-transferase 1 a (Gst1a), NAD(P)H quinone oxidoreductase 1(Nqo1), heme oxygenase 1(Ho-1) but also the enzyme activities of SOD, CAT and glutathione S-transferase (GST). The effects of Cd on the mRNA levels and activities of anti-oxidative enzymes were dependent on the exposure period and dose. These results suggested that Cd exposure generated oxidative stress and decreased the inflammatory responses in a murine macrophage cell line. Furthermore, oxidative stress may be a possible mechanism to explain the dysregulation of the immune function caused by heavy metals in this in vitro system.
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Affiliation(s)
- Yuanxiang Jin
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Ling Liu
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Songbin Zhang
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Rongjun He
- College of Ocean, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yan Wu
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Guanliang Chen
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Zhengwei Fu
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
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Al Kaddissi S, Simon O, Elia AC, Gonzalez P, Floriani M, Cavalie I, Camilleri V, Frelon S, Legeay A. How toxic is the depleted uranium to crayfish Procambarus clarkii compared with cadmium? ENVIRONMENTAL TOXICOLOGY 2016; 31:211-223. [PMID: 25213093 DOI: 10.1002/tox.22036] [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: 10/15/2013] [Revised: 07/31/2014] [Accepted: 08/03/2014] [Indexed: 06/03/2023]
Abstract
Due to a lack of information on the assessment of uranium's (U) toxicity, our work aimed to compare the effects of U on the crayfish Procambarus clarkii with those of the well documented metal: cadmium (Cd). Accumulation and impacts at different levels of biological organization were assessed after acute (40 µM Cd or U; 4-10 days) and chronic (0.1 µM Cd or U; 30-60 days) exposures. The survival rates demonstrated the high tolerance of this species toward both metals and showed that Cd had a greater effect on the sustainability of crayfish. The concentration levels of Cd and U accumulated in gills and hepatopancreas were compared between both conditions. Distinctions in the adsorption capacities and the mobility of the contaminants were suspected. Differences in the detoxification mechanisms of both metals using transmission electron microscopy equiped with an energy dispersive X-ray were also pointed out. In contrast, comparison between the histological structures of contaminated hepatopancreas showed similar symptoms. Principal component analyses revealed different impacts of each metal on the oxidative balance and mitochondria using enzymatic activities and gene expression levels as endpoints. The observation that U seemed to generate more oxidative stress than Cd in our conditions of exposure is discussed.
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Affiliation(s)
- Simone Al Kaddissi
- IRSN/PRP-ENV/SERIS-Laboratory of Biogeochemistry, Biodisponibility and Transfer of Radionuclides (L2BT), BP 3, 13115 Saint-Paul-Lez-Durance, France
- University of Bordeaux1, EPOC, UMR CNRS 5805, F-33120, Arcachon, France
| | - Olivier Simon
- IRSN/PRP-ENV/SERIS-Laboratory of Biogeochemistry, Biodisponibility and Transfer of Radionuclides (L2BT), BP 3, 13115 Saint-Paul-Lez-Durance, France
| | - Antonia Concetta Elia
- Department of Cellular and Environmental Biology, Ecotoxicology Laboratory, University of Perugia, 06123, Perugia, Italy
| | - Patrice Gonzalez
- University of Bordeaux1, EPOC, UMR CNRS 5805, F-33120, Arcachon, France
| | - Magali Floriani
- IRSN/PRP-ENV/SERIS-Laboratory of Biogeochemistry, Biodisponibility and Transfer of Radionuclides (L2BT), BP 3, 13115 Saint-Paul-Lez-Durance, France
| | - Isabelle Cavalie
- IRSN/PRP-ENV/SERIS-Laboratory of Biogeochemistry, Biodisponibility and Transfer of Radionuclides (L2BT), BP 3, 13115 Saint-Paul-Lez-Durance, France
| | - Virginie Camilleri
- IRSN/PRP-ENV/SERIS-Laboratory of Biogeochemistry, Biodisponibility and Transfer of Radionuclides (L2BT), BP 3, 13115 Saint-Paul-Lez-Durance, France
| | - Sandrine Frelon
- IRSN/PRP-ENV/SERIS-Laboratory of Biogeochemistry, Biodisponibility and Transfer of Radionuclides (L2BT), BP 3, 13115 Saint-Paul-Lez-Durance, France
| | - Alexia Legeay
- University of Bordeaux1, EPOC, UMR CNRS 5805, F-33120, Arcachon, France
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Sun M, Ting Li Y, Liu Y, Chin Lee S, Wang L. Transcriptome assembly and expression profiling of molecular responses to cadmium toxicity in hepatopancreas of the freshwater crab Sinopotamon henanense. Sci Rep 2016; 6:19405. [PMID: 26786678 PMCID: PMC4726346 DOI: 10.1038/srep19405] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 12/10/2015] [Indexed: 11/25/2022] Open
Abstract
Cadmium (Cd) pollution is a serious global problem, which causes irreversible toxic effects on animals. Freshwater crab, Sinopotamon henanense, is a useful environmental indicator since it is widely distributed in benthic habitats whereby it tends to accumulate Cd and other toxicants. However, its molecular responses to Cd toxicity remain unclear. In this study, we performed transcriptome sequencing and gene expression analyses of its hepatopancreas with and without Cd treatments. A total of 7.78 G clean reads were obtained from the pooled samples, and 68,648 unigenes with an average size of 622 bp were assembled, in which 5,436 were metabolism-associated and 2,728 were stimulus response-associated that include 380 immunity-related unigenes. Expression profile analysis demonstrated that most genes involved in macromolecular metabolism, oxidative phosphorylation, detoxification and anti-oxidant defense were up-regulated by Cd exposure, whereas immunity-related genes were down-regulated, except the genes involved in phagocytosis were up-regulated. The current data indicate that Cd exposure alters gene expressions in a concentration-dependent manner. Therefore, our results provide the first comprehensive S.henanense transcriptome dataset, which is useful for biological and ecotoxicological studies on this crab and its related species at molecular level, and some key Cd-responsive genes may provide candidate biomarkers for monitoring aquatic pollution by heavy metals.
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Affiliation(s)
- Min Sun
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Yi Ting Li
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Yang Liu
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Shao Chin Lee
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Lan Wang
- School of Life Science, Shanxi University, Taiyuan 030006, China
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Cozzari M, Elia AC, Pacini N, Smith BD, Boyle D, Rainbow PS, Khan FR. Bioaccumulation and oxidative stress responses measured in the estuarine ragworm (Nereis diversicolor) exposed to dissolved, nano- and bulk-sized silver. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2015; 198:32-40. [PMID: 25549865 DOI: 10.1016/j.envpol.2014.12.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2014] [Revised: 12/09/2014] [Accepted: 12/12/2014] [Indexed: 05/29/2023]
Abstract
The impact of Ag NPs on sediment-dwelling organisms has received relatively little attention, particularly in linking bioaccumulation to oxidative injury. The polychaete Nereis diversicolor was exposed to sediments spiked with dissolved Ag (added as AgNO3), Ag NPs (63 ± 27 nm) and larger bulk Ag particles (202 ± 56 μm), for up to 11 days at sublethal concentrations (nominally 2.5, 5, 10 μg Ag g(-1) sediment (dw)). There were concentration- and time-dependent differences in the accumulation of the three Ag forms, but all three forms elicited an oxidative stress response. In the cases of Ag NPs and bulk Ag particles, changes in antioxidant markers (glutathione, SOD, CAT, GPx, SeGPx, GST and GR) occurred without significant Ag accumulation. Differences in biomarker profiles between the three Ag forms suggest that the mechanism of oxidative stress caused by particulate Ag is distinct from that of dissolved Ag.
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Affiliation(s)
- Margherita Cozzari
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto, 8 - 06123 Perugia, Italy
| | - Antonia Concetta Elia
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto, 8 - 06123 Perugia, Italy.
| | - Nicole Pacini
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto, 8 - 06123 Perugia, Italy
| | - Brian D Smith
- Dept of Life Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK
| | - David Boyle
- Ecotoxicology Research and Innovation Centre, School of Biomedical and Biological Sciences, Plymouth University, Plymouth PL4 8AA, UK
| | - Philip S Rainbow
- Dept of Life Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK
| | - Farhan R Khan
- Dept of Life Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK; Department of Environmental, Social and Spatial Change (ENSPAC), Roskilde University, Universitetsvej 1, PO Box 260, DK-4000 Roskilde, Denmark.
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