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Kang B, Wang J, Guo S, Yang L. Mercury-induced toxicity: Mechanisms, molecular pathways, and gene regulation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 943:173577. [PMID: 38852866 DOI: 10.1016/j.scitotenv.2024.173577] [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: 11/30/2023] [Revised: 03/01/2024] [Accepted: 05/25/2024] [Indexed: 06/11/2024]
Abstract
Mercury is a well-known neurotoxicant for humans and wildlife. The epidemic of mercury poisoning in Japan has clearly demonstrated that chronic exposure to methylmercury (MeHg) results in serious neurological damage to the cerebral and cerebellar cortex, leading to the dysfunction of the central nervous system (CNS), especially in infants exposed to MeHg in utero. The occurrences of poisoning have caused a wide public concern regarding the health risk emanating from MeHg exposure; particularly those eating large amounts of fish may experience the low-level and long-term exposure. There is growing evidence that MeHg at environmentally relevant concentrations can affect the health of biota in the ecosystem. Although extensive in vivo and in vitro studies have demonstrated that the disruption of redox homeostasis and microtube assembly is mainly responsible for mercurial toxicity leading to adverse health outcomes, it is still unclear whether we could quantitively determine the occurrence of interaction between mercurial and thiols and/or selenols groups of proteins linked directly to outcomes, especially at very low levels of exposure. Furthermore, intracellular calcium homeostasis, cytoskeleton, mitochondrial function, oxidative stress, neurotransmitter release, and DNA methylation may be the targets of mercury compounds; however, the primary targets associated with the adverse outcomes remain to be elucidated. Considering these knowledge gaps, in this article, we conducted a comprehensive review of mercurial toxicity, focusing mainly on the mechanism, and genes/proteins expression. We speculated that comprehensive analyses of transcriptomics, proteomics, and metabolomics could enhance interpretation of "omics" profiles, which may reveal specific biomarkers obviously correlated with specific pathways that mediate selective neurotoxicity.
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Affiliation(s)
- Bolun Kang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, 100012 Beijing, China
| | - Jinghan Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, 100012 Beijing, China
| | - Shaojuan Guo
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, 100012 Beijing, China
| | - Lixin Yang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, 100012 Beijing, China.
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2
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Wang M, Guo Z, Du J, Lu H, Liu L, Wang T, Pan S. Assessing the hepatotoxicity of phosphogypsum leachate in zebrafish (Danio rerio). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:172018. [PMID: 38547988 DOI: 10.1016/j.scitotenv.2024.172018] [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: 12/15/2023] [Revised: 03/01/2024] [Accepted: 03/25/2024] [Indexed: 04/07/2024]
Abstract
The improper disposal of large amounts of phosphogypsum generated during the production process of the phosphorus chemical industry (PCI) still exists. The leachate formed by phosphogypsum stockpiles could pose a threat to the ecological environment and human health. Nevertheless, information regarding the harmful effects of phosphogypsum leachate on organisms is still limited. Herein, the physicochemical characteristics of phosphogypsum leachate were analyzed, and its toxicity effect on zebrafish (Danio rerio), particularly in terms of hepatotoxicity and potential mechanisms, were evaluated. The results indicated that P, NH3-N, TN, F-, As, Cd, Cr, Co, Ni, Zn, Mn, and Hg of phosphogypsum leachate exceeded the V class of surface water environmental quality standards (GB 3838-2002) to varying degrees. Acute toxicity test showed that the 96 h LC50 values of phosphogypsum leachate to zebrafish was 2.08 %. Under exposure to phosphogypsum leachate, zebrafish exhibited concentration-dependent liver damage, characterized by vacuolization and infiltration of inflammatory cells. The increased in Malondialdehyde (MDA) content and altered activities of antioxidant enzymes in the liver indicated the induction of oxidative stress and oxidative damage. The expression of apoptosis-related genes (P53, PUMA, Caspase3, Bcl-2, and Bax) were up-regulated at low dosage group and down-regulated at medium and high dosage groups, suggesting the occurrence of hepatocyte apoptosis or necrosis. Additionally, phosphogypsum leachate influenced the composition of the zebrafish gut microbiota by reducing the relative abundance of Bacteroidota, Aeromonas, Flavobacterium, Vibrio, and increasing that of Rhodobacter and Pirellula. Correlation analysis revealed that gut microbiota dysbiosis was associated with phosphogypsum leachate-induced hepatotoxicity. Altogether, exposure to phosphogypsum leachate caused liver damage in zebrafish, likely through oxidative stress and apoptosis, with the intestinal flora also playing a significant role. These findings contribute to understanding the ecological toxicity of phosphogypsum leachate and promote the sustainable development of PCI.
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Affiliation(s)
- Min Wang
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guian New Area, Guizhou 561113, China
| | - Ziyu Guo
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guian New Area, Guizhou 561113, China
| | - Jiangfeng Du
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guian New Area, Guizhou 561113, China
| | - Hongliang Lu
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guian New Area, Guizhou 561113, China
| | - Long Liu
- School of Basic Medicine, Guizhou Medical University, Guian New Area, Guizhou 561113, China; Key Laboratory of Microbiology and Parasitology of Institution of Higher Learning of Guizhou, Guian New Area, Guizhou 561113, China
| | - Tao Wang
- School of Basic Medicine, Guizhou Medical University, Guian New Area, Guizhou 561113, China; Key Laboratory of Microbiology and Parasitology of Institution of Higher Learning of Guizhou, Guian New Area, Guizhou 561113, China
| | - Sha Pan
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guian New Area, Guizhou 561113, China.
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Bai Z, Zhang Y, Cheng L, Zhou X, Wang M. Nanoplastics pose a greater effect than microplastics in enhancing mercury toxicity to marine copepods. CHEMOSPHERE 2023; 325:138371. [PMID: 36906006 DOI: 10.1016/j.chemosphere.2023.138371] [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: 06/01/2022] [Revised: 02/21/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Due to human activities, high abundances of nano/microplastics (N/MPs) concurrent with metal pollution have become a serious problem in the global marine environment. Because of displaying a high surface-area-to-volume ratio, N/MPs can serve as the carriers of metals and thus increase their accumulation/toxicity in marine biota. As one of the most toxic metals, mercury (Hg) causes adverse effects on marine organisms but whether environmentally relevant N/MPs can play a vector role of this metal in marine biota, as well as their interaction, is poorly known. To evaluate the vector role of N/MPs in Hg toxicity, we first performed the adsorption kinetics and isotherms of N/MPs and Hg in seawater, as well as ingestion/egestion of N/MPs by marine copepod Tigriopus japonicus, and second, the copepod T. japonicus was exposed to polystyrene (PS) N/MPs (500-nm, 6-μm) and Hg in isolation, combined, and incubated forms at environmentally relevant concentrations for 48 h. Also, the physiological and defense performance including antioxidant response, detoxification/stress, energy metabolism, and development-related genes were assessed after exposure. The results indicated N/MPs significantly increased Hg accumulation and thus its toxicity effects in T. japonicus as exemplified by decreased transcription of genes related to development and energy metabolism and increased transcriptional levels of genes functioning in antioxidant and detoxification/stress defense. More importantly, NPs were superimposed onto MPs and produced the most vector effect in Hg toxicity to T. japonicus, especially in the incubated forms. Overall, this study highlighted the role of N/MPs as a potential risk factor for increasing the adverse effects of Hg pollution, and emphasized the adsorption forms of contaminants by N/MPs should doubly be considered in the continuing researches.
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Affiliation(s)
- Zhuoan Bai
- Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies/College of the Environment & Ecology, Xiamen University, Xiamen, 361102, China
| | - Yu Zhang
- Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies/College of the Environment & Ecology, Xiamen University, Xiamen, 361102, China
| | - Luman Cheng
- Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies/College of the Environment & Ecology, Xiamen University, Xiamen, 361102, China
| | - Xiaoping Zhou
- Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies/College of the Environment & Ecology, Xiamen University, Xiamen, 361102, China.
| | - Minghua Wang
- Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies/College of the Environment & Ecology, Xiamen University, Xiamen, 361102, China.
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Chen CZ, Chai Y, Wang YJ, Li P, Liu L, Li ZH. Physiological and molecular responses in the silver carp (Hypophthalmichthys molitrix) larvae after acute mercury exposure. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:49760-49770. [PMID: 36780075 DOI: 10.1007/s11356-023-25842-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 02/06/2023] [Indexed: 02/14/2023]
Abstract
The current study was performed to examine the acute toxicity of mercuric chloride (HgCl2) on the silver carp (Hypophthalmichthys molitrix) larvae. Probit analysis was used to determine the median lethal concentration (LC50). The LC50 values of Hg2+ for the fish larvae at 24, 48, 72, and 96 h were 267.72, 252.97, 225.57, and 97.80 μg/L, respectively. The safe concentration of Hg was 9.78 μg/L for fish larvae. Based on the 96 h LC50, fish were exposed to four different groups including 0, 6.11, 12.23, and 24.45 μg/L for 96 h to assess the effects of different concentrations of Hg2+ on antioxidant capacity, energy metabolism parameters, and related gene expression. The findings revealed that there were no significant differences in the activities of superoxide dismutase (SOD) and total antioxidant capacity (T-AOC) in fish larvae among all the groups (P < 0.05). In the 12.23 μg/L group, fish larvae had a maximum in catalase (CAT) activity. The creatine kinase (CK) activities of fish larvae in control and 6.11 μg/L groups were significantly lower than those groups (P < 0.05). A high concentration of Hg2+ significantly upregulated the mRNA levels of heat shock protein 70 (HSP70) and metallothionein (MT) genes in fish larvae. Furthermore, the IBR index value showed the highest value in the 24.45 μg/L group. Overall, this study provides an increased understanding of the effects of Hg-acute toxicity on silver carp larvae.
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Affiliation(s)
- Cheng-Zhuang Chen
- Marine College, Shandong University, Weihai, 264209, Shandong, China
| | - Yi Chai
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, College of Agriculture, Yangtze University, Jingzhou, 434025, Hubei Province, China
| | - Ya-Jun Wang
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, College of Agriculture, Yangtze University, Jingzhou, 434025, Hubei Province, China
| | - Ping Li
- Marine College, Shandong University, Weihai, 264209, Shandong, China
| | - Ling Liu
- Marine College, Shandong University, Weihai, 264209, Shandong, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, 264209, Shandong, China.
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Santiago MGA, Faria VD, Cirinêu FD, Queiroz da Silva LLDL, de Almeida EC, Cavallini NG, Souza Vieira JC, Henrique Fernandes AA, Braga CP, Zara LF, Rabelo Buzalaf MA, Adamec J, de Magalhães Padilha P. Metalloproteomic approach to liver tissue of rats exposed to mercury. CHEMOSPHERE 2023; 312:137222. [PMID: 36375612 DOI: 10.1016/j.chemosphere.2022.137222] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 11/05/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
The aims of this study were to identify mercury-associated protein spots in the liver tissue of rats exposed to low concentrations of mercury and to elucidate the physiological and functional aspects of the proteins identified in the protein spots. Therefore, proteomic analysis of the liver tissue of Wistar rats exposed to mercury chloride (4.60 μg kg-1 in Hg2+) was performed for thirty days (Hg-30 group) and sixty days (Hg-60 group). The proteomic profile of the liver tissue of the rats was obtained by two-dimensional electrophoresis (2D-PAGE), and the determinations of total mercury in the liver tissue, pellets and protein spots were performed by graphite furnace atomic absorption spectrometry (GFAAS). ImageMaster 2D Platinum 7.0 software was used to identify the differentially expressed mercury-associated protein spots, which were then characterized by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). The determinations by GFAAS indicated a total mercury bioaccumulation of 2812% in the Hg-30 group and 3298% in the Hg-60 group and 10 mercury-associated protein spots with a concentration range of 51 ± 1.0 to 412 ± 6.00 mg kg-1 in the 2D PAGE gels from the liver tissue of the Hg-60 group. The LC-MS/MS analyses allowed the identification of 11 metal binding proteins in mercury-associated protein spots that presented fold change with upregulation >1.5, downregulation < -1.7 or that were expressed only in the Hg-60 group. Using the FASTA sequences of the proteins identified in the mercury-associated protein spots, bioinformatics analyses were performed to elucidate the physiological and functional aspects of the metal binding proteins, allowing us to infer that enzymes such as GSTM2 presented greater mercury concentrations and downregulation < -3; Acaa2 and Bhmt, which showed expression only in the Hg-60 group, among others, may act as potential mercury exposure biomarkers.
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Affiliation(s)
| | - Victor Diego Faria
- São Paulo State University (UNESP), Institute of Biosciences, Botucatu, SP, Brazil
| | | | | | | | | | | | | | | | - Luís Fabrício Zara
- University of Brasília (UNB), College of Planaltina, Distrito Federal, Brazil
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Nynca J, Dietrich MA, Ciereszko A. DIGE Analysis of Fish Tissues. Methods Mol Biol 2023; 2596:303-322. [PMID: 36378447 DOI: 10.1007/978-1-0716-2831-7_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Two-dimensional difference gel electrophoresis (2D-DIGE) appears to be especially useful in quantitative approaches, allowing the co-separation of proteins of control samples and proteins of treated/disease samples on the same gel, eliminating gel-to-gel variability. The principle of 2D-DIGE is to label proteins prior to isoelectric focusing and use three spectrally resolvable fluorescent dyes, allowing the independent labeling of control and experimental samples. This procedure makes it possible to reduce the number of gels in an experiment, allowing the accurate and reproducible quantification of multiple samples. 2D-DIGE has been found to be an excellent methodical tool in several areas of fish research, including environmental pollution and toxicology, the mechanisms of development and disorders, reproduction, nutrition, evolution, and ecology.
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Affiliation(s)
- Joanna Nynca
- Department of Gametes and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Mariola A Dietrich
- Department of Gametes and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland.
| | - Andrzej Ciereszko
- Department of Gametes and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
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Chen CZ, Li P, Liu L, Li ZH. Transcriptomic and proteomic analysis of Chinese rare minnow (Gobiocypris rarus) larvae in response to acute waterborne cadmium or mercury stress. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 246:106134. [PMID: 35286993 DOI: 10.1016/j.aquatox.2022.106134] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/03/2022] [Accepted: 03/07/2022] [Indexed: 06/14/2023]
Abstract
In this study, Chinese rare minnow (Gobiocypris rarus) larvae were exposed to the control group, Cd concentrations (0.5 and 2.5 mg/L), and Hg concentrations (0.1 and 0.3 mg/L) for 96 h. Transcriptome analysis showed that 816 and 1599 significantly differentially expressed genes (DEGs) were identified in response to 2.5 mg/L Cd2+ and 0.3 mg/L Hg2+, respectively. Functional enrichment analysis revealed that DEGs were mostly associated with immune responses after Cd exposure, such as antigen processing and presentation, phagosome, apoptosis, and lysosome. Similarly, functional enrichment analysis showed that many pathways were mostly involved in metabolism after Hg exposure, such as glutathione metabolism and starch and sucrose metabolism. Results of two-dimensional electrophoresis (2-DE) showed that the abundance of 10 protein spots was significantly altered in the Cd2+ treatments. The proteomic analysis demonstrated that Cd toxicity might impair cytoskeletal and cell motility-related protein activity in the liver of G. rarus. Similarly, the abundance of 24 protein spots was significantly altered in the Hg2+ treatments. Hg toxicity regulates the expression of proteins belonging to several functional categories, including cytoskeleton, oxidative stress, digestive system, and energy metabolism. This study provides valuable relevant insight into the molecular mechanisms in response to Cd or Hg toxicity in aquatic organisms and will help screen for potential biomarkers to respond to Cd and Hg pollutants.
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Affiliation(s)
| | - Ping Li
- Marine College, Shandong University, Weihai, Shandong 264209, China
| | - Ling Liu
- Marine College, Shandong University, Weihai, Shandong 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, Shandong 264209, China.
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Cosio C, Degli-Esposti D, Almunia C, Gaillet V, Sartelet H, Armengaud J, Chaumot A, Geffard O, Geffard A. Subcellular Distribution of Dietary Methyl-Mercury in Gammarus fossarum and Its Impact on the Amphipod Proteome. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:10514-10523. [PMID: 34283579 DOI: 10.1021/acs.est.1c02385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The transfer of methyl-Hg (MeHg) from food is central for its effects in aquatic animals, but we still lack knowledge concerning its impact on invertebrate primary consumers. In aquatic environments, cell walls of plants are particularly recalcitrant to degradation and as such remain available as a food source for long periods. Here, the impact at the proteomic level of dietary MeHg in Gammarus fossarum was established and linked to subcellular distribution of Hg. Individuals of G. fossarum were fed with MeHg in cell wall or intracellular compartments of Elodea nuttallii. Hg concentrations in subcellular fractions were 2 to 6 times higher in animals fed with cell wall than intracellular compartments. At the higher concentrations tested, the proportion of Hg in metal-sensitive fraction increased from 30.0 ± 6.1 to 41.0 ± 5.7% for individuals fed with intracellular compartment, while biologically detoxified metal fraction increased from 30.0 ± 6.1 to 50.0 ± 2.8% when fed with cell wall compartment. Data suggested that several thresholds of proteomic response are triggered by increased bioaccumulation in each subcellular fraction in correlation with Hg exclusively bound to the metal-sensitive fraction, while the increase of biologically detoxified metal likely had a cost for fitness. Proteomics analysis supported that the different binding sites and speciation in shoots subsequently resulted in different fate and cellular toxicity pathways to consumers. Our data confirmed that Hg bound in cell walls of plants can be assimilated by G. fossarum, which is consistent with its feeding strategy, hence pointing cell walls as a significant source for Hg transfers and toxicity in primary consumers. The high accumulation of Hg in macrophytes makes them a risk for food web transfer in shallow ecosystems. The present results allowed gaining new insights into the effects and uptake mechanisms of MeHg in aquatic primary consumers.
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Affiliation(s)
- Claudia Cosio
- Université de Reims Champagne-Ardenne, UMR-I 02 INERIS-URCA-ULH SEBIO, Campus du Moulin de la Housse, BP 1039, Cedex, Reims 51687, France
| | | | - Christine Almunia
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SPI, 30200 Bagnols-sur-Cèze, France
| | - Véronique Gaillet
- Université de Reims Champagne-Ardenne, UMR-I 02 INERIS-URCA-ULH SEBIO, Campus du Moulin de la Housse, BP 1039, Cedex, Reims 51687, France
| | - Hervé Sartelet
- Université de Reims Champagne-Ardenne, UMR CNRS/URCA 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Campus du Moulin de la Housse, BP 1039, Cedex, Reims 51687, France
| | - Jean Armengaud
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SPI, 30200 Bagnols-sur-Cèze, France
| | - Arnaud Chaumot
- INRAE, UR RiverLy, Laboratoire d'écotoxicologie, F-69625 Villeurbanne, France
| | - Olivier Geffard
- INRAE, UR RiverLy, Laboratoire d'écotoxicologie, F-69625 Villeurbanne, France
| | - Alain Geffard
- Université de Reims Champagne-Ardenne, UMR-I 02 INERIS-URCA-ULH SEBIO, Campus du Moulin de la Housse, BP 1039, Cedex, Reims 51687, France
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Kwok CSN, Lai KKY, Lam SW, Chan KK, Xu SJL, Lee FWF. Production of high-quality two-dimensional gel electrophoresis profile for marine medaka samples by using Trizol-based protein extraction approaches. Proteome Sci 2020; 18:5. [PMID: 32390769 PMCID: PMC7196234 DOI: 10.1186/s12953-020-00161-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 04/22/2020] [Indexed: 12/25/2022] Open
Abstract
Background Marine medaka is among the most popular models of fish species for ecotoxicology and environmental research and proteomic studies are useful tools for understanding the molecular responses of medaka upon exposure to different environmental stressors. The preparation of high-quality protein samples is the key to producing high-quality two-dimensional gel electrophoresis (2-DE) results for proteomic analysis. In recent years, Trizol-based protein extraction has been gaining popularity because of its promising performance in producing high-quality 2-DE as well as the convenience of the method. Methods Three Trizol-based approaches (Trizol method, Aliquot Trizol method and Trizol method with a commercial clean-up kit) were used to extract proteins from a marine medaka sample and 2-DE profiles were produced. Quality of the 2-DE profiles and effectiveness of the extraction methods were evaluated. For comparison, two common protein extraction methods (lysis buffer method and trichloroacetic acid (TCA)/acetone precipitation extraction) were also applied in parallel to Trizol-based approaches. Results Any of the three Trizol-based approaches produced a high-quality 2-DE profile of marine medaka compared with both lysis buffer method and TCA/acetone precipitation extraction. In addition, Trizol method with a commercial clean-up kit produced the best 2-DE profile in terms of background clarity, number of spots and resolution of proteins. Conclusions Trizol-based approaches offered better choices than traditional protein extraction methods for 2-DE analysis of marine medaka. The modified version of Trizol method with a commercial clean-up kit was shown to produce the best 2-DE profile.
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Affiliation(s)
- Celia Sze-Nga Kwok
- Department of Science, School of Science and Technology, The Open University of Hong Kong, Hong Kong, SAR China
| | - Kaze King-Yip Lai
- Department of Science, School of Science and Technology, The Open University of Hong Kong, Hong Kong, SAR China
| | - Sai-Wo Lam
- Department of Science, School of Science and Technology, The Open University of Hong Kong, Hong Kong, SAR China
| | - Kin-Ka Chan
- Department of Science, School of Science and Technology, The Open University of Hong Kong, Hong Kong, SAR China
| | - Steven Jing-Liang Xu
- Department of Science, School of Science and Technology, The Open University of Hong Kong, Hong Kong, SAR China
| | - Fred Wang-Fat Lee
- Department of Science, School of Science and Technology, The Open University of Hong Kong, Hong Kong, SAR China
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10
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Bittarello AC, Vieira JCS, Braga CP, da Cunha Bataglioli I, de Oliveira G, Rocha LC, Zara LF, Buzalaf MAR, de Oliveira LCS, Adamec J, de Magalhães Padilha P. Metalloproteomic approach of mercury-binding proteins in liver and kidney tissues of Plagioscion squamosissimus (corvina) and Colossoma macropomum (tambaqui) from Amazon region: Possible identification of mercury contamination biomarkers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 711:134547. [PMID: 31812405 DOI: 10.1016/j.scitotenv.2019.134547] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 09/16/2019] [Accepted: 09/17/2019] [Indexed: 06/10/2023]
Abstract
Fish is an important source of protein, vitamins, and minerals. However, this food is also a major source of human exposure to toxic contaminants such as mercury. Thus, this paper aimed to evaluate mercury-binding proteins for possible application as biomarkers of mercury contamination in hepatic and renal tissues of Plagioscion squamosissimus (carnivorous fish) and Colossoma macropomum (omnivorous fish) from the Amazon region using metalloproteomic approach. The proteome of hepatic and renal tissues of fish species was separated by two-dimensional polyacrylamide gel electrophoresis (2D-PAGE), and the mercury concentrations in protein spots were determined by graphite furnace atomic absorption spectrometry (GFAAS). Finally, the protein spots associated to mercury were characterized by electrospray ionization mass spectrometry (ESI-MS/MS). The activity of antioxidant enzymes (SOD, CAT, GPx, and GST) and lipid peroxidation (LPO) were also determined. The results showed that the highest concentrations of mercury were found in the carnivorous species (P. squamosissimus) and that the accumulation pattern of this metal was higher in hepatic tissues than in renal tissues for both species. A tendency was observed for greater enzymatic activity in the hepatic and renal tissues of P. squamosissimus, the species with the highest concentration of mercury. Only GPx activity in the kidney and GST in the liver were lower for the P. squamosissimus species, and this finding can be explained by the interaction of mercury with these enzymes. The data obtained by ESI-MS/MS allowed for the characterization of the protein spots associated to mercury, revealing proteins involved in energy metabolism, biomolecules transport, protein synthesis and degradation, cell differentiation, gene regulation, and the antioxidant system. The results obtained in the present study can contribute to understanding the physiological processes underlying mercury toxicity and have provided new perspectives on possible candidates for mercury contamination biomarkers in fish.
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Affiliation(s)
- Alis Correia Bittarello
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Botucatu, Brazil
| | - José Cavalcante Souza Vieira
- São Paulo State University (UNESP), Institute of Biosciences, Botucatu, Brazil; Institute of Chemistry (INQUI), Federal University of Mato Grosso do Sul, Campo Grande (UFMS), Brazil.
| | | | | | | | - Leone Campos Rocha
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Botucatu, Brazil
| | - Luiz Fabrício Zara
- University of Brasília (UNB), College of Planaltina, Distrito Federal, Brazil
| | | | | | - Jiri Adamec
- University of Nebraska (UNL), Lincoln, United States
| | - Pedro de Magalhães Padilha
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Botucatu, Brazil; São Paulo State University (UNESP), Institute of Biosciences, Botucatu, Brazil.
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11
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Yang L, Zhang Y, Wang F, Luo Z, Guo S, Strähle U. Toxicity of mercury: Molecular evidence. CHEMOSPHERE 2020; 245:125586. [PMID: 31881386 DOI: 10.1016/j.chemosphere.2019.125586] [Citation(s) in RCA: 144] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 11/28/2019] [Accepted: 12/08/2019] [Indexed: 05/25/2023]
Abstract
Minamata disease in Japan and the large-scale poisoning by methylmercury (MeHg) in Iraq caused wide public concerns about the risk emanating from mercury for human health. Nowadays, it is widely known that all forms of mercury induce toxic effects in mammals, and increasing evidence supports the concern that environmentally relevant levels of MeHg could impact normal biological functions in wildlife. The information of mechanism involved in mercurial toxicity is growing but knowledge gaps still exist between the adverse effects and mechanisms of action, especially at the molecular level. A body of data obtained from experimental studies on mechanisms of mercurial toxicity in vivo and in vitro points to that disruption of the antioxidant system may play an important role in the mercurial toxic effects. Moreover, the accumulating evidence indicates that signaling transduction, protein or/and enzyme activity, and gene regulation are involving in mediating toxic and adaptive response to mercury exposure. We conducted here a comprehensive review of mercurial toxic effects on wildlife and human, in particular synthesized key findings of molecular pathways involved in mercurial toxicity from the cells to human. We discuss the molecular evidence related mercurial toxicity to the adverse effects, with particular emphasis on the gene regulation. The further studies relying on Omic analysis connected to adverse effects and modes of action of mercury will aid in the evaluation and validation of causative relationship between health outcomes and gene expression.
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Affiliation(s)
- Lixin Yang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, 100012, Beijing, China; Center for Global Health, School of Public Health, Nanjing Medical University, 211166, Nanjing, China.
| | - Yuanyuan Zhang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, 100012, Beijing, China
| | - Feifei Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, 100012, Beijing, China
| | - Zidie Luo
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, 100012, Beijing, China
| | - Shaojuan Guo
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, 100012, Beijing, China
| | - Uwe Strähle
- Toxicology and Genetics, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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12
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Gashkina NA, Moiseenko TI, Kudryavtseva LP. Fish response of metal bioaccumulation to reduced toxic load on long-term contaminated lake Imandra. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 191:110205. [PMID: 31954215 DOI: 10.1016/j.ecoenv.2020.110205] [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: 08/15/2019] [Revised: 12/17/2019] [Accepted: 01/11/2020] [Indexed: 05/27/2023]
Abstract
The present study analysed the response of whitefish (Coregonus lavaretus L.) to reduced toxicity after the long-term contamination of subarctic Lake Imandra. High concentrations of Ni, Al, and Sr in fish organs and tissues were accompanied by nephrocalcinosis, scoliosis, and myopathy during the period of intense contamination. After reduction of the toxic impact on the lake, the accumulation of Cu, Al, Sr, Cr, Pb, and Hg in the kidney, which is the target organ for toxicity, was two-fold less and that of Cd was 10-fold less in whitefish from the contaminated part of the lake compared with those in whitefish from the non-contaminated parts of the lake. The ecological success of whitefish from the contaminated part of the lake was associated with the limited accumulation of metals in organs and tissues and a more favourable physiological state compared with whitefish from non-contaminated parts of the lake. Redistribution models were constructed for essential and non-essential metals in the fish liver and kidney depending on the physiological state of fish. The results revealed changes in Fe and Zn metabolism: an increase in Fe and a decrease in Zn accumulation in the liver with increasing stage of liver disease and decreasing blood haemoglobin concentration. Furthermore, under the sub-toxic (except for Cu) conditions of Lake Imandra, the strategy of adaptive fish response is to preserve and maintain acid-base regulation system.
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Affiliation(s)
- Natalia A Gashkina
- Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, 19 Kosygin St., Moscow, 119991, Russia.
| | - Tatyana I Moiseenko
- Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, 19 Kosygin St., Moscow, 119991, Russia.
| | - Lubov P Kudryavtseva
- Institute of the Industrial Ecology Problems of North, Kola Science Center, Russian Academy of Sciences, Fersmana St. 14a, 184200, Apatity, Russia.
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13
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Zheng N, Wang S, Dong W, Hua X, Li Y, Song X, Chu Q, Hou S, Li Y. The Toxicological Effects of Mercury Exposure in Marine Fish. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2019; 102:714-720. [PMID: 30949738 DOI: 10.1007/s00128-019-02593-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 03/14/2019] [Indexed: 06/09/2023]
Abstract
Since the Minamata incident in Japan, the public have become increasingly aware of the negative health effects caused by mercury pollution in the ocean. Consequently, there has been significant interest in the health of humans eating fish exposed to mercury (Hg). However, the toxicity of mercury to the marine fish themselves has received far less attention. In this review, we summarize mercury accumulation in marine fish and the toxicological effects of mercury exposure. Results showed that the bioaccumulation of mercury in marine fish was highly variable, and its concentration was affected by the specific physiological and ecological characteristics of different fish species. Mercury exposure can produce teratogenic, neurotoxic effects, and reproductive toxicity. These effects can then cause harm to cells, tissues, proteins and genes, and ultimately, the survival, growth, and behavior of marine fish. Future studies should afford more attention to the toxicological effect of mercury exposure upon marine fish.
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Affiliation(s)
- Na Zheng
- Key Laboratory of Groundwater Resources and Environment, College of Environment and Resources, Jilin University, Changchun, 130012, Jilin, China.
- Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, 4888 Shengbei Street, Changchun, 130102, Jilin, China.
| | - Sujing Wang
- Key Laboratory of Groundwater Resources and Environment, College of Environment and Resources, Jilin University, Changchun, 130012, Jilin, China
| | - Wu Dong
- Inner Mongolia Key Laboratory Toxinscant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia University for Nationalities, Tongliao, 028043, China
| | - Xiuyi Hua
- Key Laboratory of Groundwater Resources and Environment, College of Environment and Resources, Jilin University, Changchun, 130012, Jilin, China
| | - Yunyang Li
- Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, 4888 Shengbei Street, Changchun, 130102, Jilin, China
| | - Xue Song
- Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, 4888 Shengbei Street, Changchun, 130102, Jilin, China
| | - Qingwen Chu
- Inner Mongolia Key Laboratory Toxinscant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia University for Nationalities, Tongliao, 028043, China
| | - Shengnan Hou
- Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, 4888 Shengbei Street, Changchun, 130102, Jilin, China
- Graduate University of Chinese Academy of Sciences, Beijing, China
| | - Yang Li
- Key Laboratory of Groundwater Resources and Environment, College of Environment and Resources, Jilin University, Changchun, 130012, Jilin, China
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Xie Q, Pan J, Ma C, Zhang G. Dynamic surface antifouling: mechanism and systems. SOFT MATTER 2019; 15:1087-1107. [PMID: 30444519 DOI: 10.1039/c8sm01853g] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Marine biofouling is a global problem today. High efficiency and eco-friendly antifouling systems are in pressing need. In recent years, we have proposed the concept of dynamic surface antifouling (DSA). That is, a continuously changing surface can effectively prevent marine fouling organisms from landing and adhesion. Based on this strategy, we developed coatings with dynamic surfaces by using degradable polymers including polyester-polyurethane, modified polyester and poly(ester-co-acrylate). They exhibit tunable renewability, and excellent antifouling and mechanical performance. Moreover, the polymers can serve as carrier and controlled release systems of antifoulants so that they have long service life. This paper reviews the progress and trends in marine anti-biofouling, and presents the mechanism and systems of DSA.
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Affiliation(s)
- Qingyi Xie
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China.
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15
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Abstract
Two-dimensional difference gel electrophoresis (2D-DIGE) appears to be especially useful in quantitative approaches, allowing the co-separation of proteins of control samples from proteins of treatment/disease samples on the same gel, eliminating gel-to-gel variability. The principle of 2D-DIGE is to label proteins prior to isoelectric focusing and use three spectrally resolvable fluorescent dyes, allowing the independent labeling of control and experimental samples. This procedure makes it possible to reduce the number of gels in an experiment, allowing the accurate and reproducible quantification of multiple samples. 2D-DIGE has been found to be an excellent methodical tool in several areas of fish research, including environmental pollution and toxicology, the mechanisms of development and disorders, reproduction, nutrition, evolution, and ecology.
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Affiliation(s)
- Joanna Nynca
- Department of Gametes and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748, Olsztyn, Poland
| | - Mariola A Dietrich
- Department of Gametes and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748, Olsztyn, Poland.
| | - Andrzej Ciereszko
- Department of Gametes and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748, Olsztyn, Poland
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Fernández I, Gavaia PJ, Laizé V, Cancela ML. Fish as a model to assess chemical toxicity in bone. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 194:208-226. [PMID: 29202272 DOI: 10.1016/j.aquatox.2017.11.015] [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: 09/06/2017] [Revised: 11/14/2017] [Accepted: 11/22/2017] [Indexed: 06/07/2023]
Abstract
Environmental toxicology has been expanding as growing concerns on the impact of produced and released chemical compounds over the environment and human health are being demonstrated. Among the toxic effects observed in organisms exposed to pollutants, those affecting skeletal tissues (osteotoxicity) have been somehow overlooked in comparison to hepato-, immune-, neuro- and/or reproductive toxicities. Nevertheless, sub-lethal effects of toxicants on skeletal development and/or bone maintenance may result in impaired growth, reduced survival rate, increased disease susceptibility and diminished welfare. Osteotoxicity may occur by acute or chronic exposure to different environmental insults. Because of biologically and technically advantagous features - easy to breed and inexpensive to maintain, external and rapid rate of development, translucent larvae and the availability of molecular and genetic tools - the zebrafish (Danio rerio) has emerged in the last decade as a vertebrate model system of choice to evaluate osteotoxicity. Different experimental approaches in fish species and analytical tools have been applied, from in vitro to in vivo systems, from specific to high throughput methodologies. Current knowledge on osteotoxicity and underlying mechanisms gained using fish, with a special emphasis on zebrafish systems, is reviewed here. Osteotoxicants have been classified into four categories according to the pathway involved in the transduction of the osteotoxic effects: activation/inhibition of membrane and/or nuclear receptors, alteration of redox condition, mimicking of bone constituents and unknown pathways. Knowledge on these pathways is also reported here as it may provide critical insights into the development, production and release of future chemical compounds with none or low osteotoxicity, thus promoting the green/environmental friendly chemistry.
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Affiliation(s)
- Ignacio Fernández
- Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, Faro, Portugal.
| | - Paulo J Gavaia
- Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, Faro, Portugal; Department of Biomedical Sciences and Medicine, University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Vincent Laizé
- Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, Faro, Portugal
| | - M Leonor Cancela
- Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, Faro, Portugal; Department of Biomedical Sciences and Medicine, University of Algarve, Campus de Gambelas, Faro, Portugal; Algarve Biomedical Center (ABC), Universidade do Algarve, Campus de Gambelas, Faro, Portugal
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17
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Ali J, Kazi TG, Tuzen M, Ullah N. Evaluation of mercury and physicochemical parameters in different depths of aquifer water of Thar coalfield, Pakistan. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:17731-17740. [PMID: 28601999 DOI: 10.1007/s11356-017-9291-z] [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: 11/13/2015] [Accepted: 05/17/2017] [Indexed: 06/07/2023]
Abstract
In the current study, mercury (Hg) and physicochemical parameters have been evaluated in aquifer water at different depths of Thar coal field. The water samples were collected from first aquifer (AQ1), second aquifer (AQ2), and third aquifer (AQ3) at three depths, 50-60, 100-120, and 200-250 m, respectively. The results of aquifer water of three depths were interpreted by using different multivariate statistical techniques. Validation of desired method was checked by spiking standard addition method in studied aquifer water samples. The content of Hg in aquifer water samples was measured by cold vapor atomic absorption spectrometer (CV-AAS). These determined values illustrate that the levels of Hg were higher than WHO recommended values for drinking water. All physicochemical parameters were higher than WHO permissible limits for drinking water except pH and SO42- in aquifer water. The positive correlation of Hg with other metals in aquifer water samples of AQ1, AQ2, and AQ3 of Thar coalfield except HCO3- was observed which might be caused by geochemical minerals. The interpretation of determined values by the cluster technique point out the variations within the water quality parameter as well as sampling location of studied field. The aquifer water AQ2 was more contaminated with Hg as compared to AQ1 and AQ3; it may be due to leaching of Hg from coal zone. The concentration of Hg in aquifer water obtained from different depths was found in the following decreasing order: AQ2 < AQ1 < AQ3.
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Affiliation(s)
- Jamshed Ali
- Faculty of Science and Arts, Chemistry Department, Gaziosmanpaşa University, 60250, Tokat, Turkey
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Tasneem G Kazi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Mustafa Tuzen
- Faculty of Science and Arts, Chemistry Department, Gaziosmanpaşa University, 60250, Tokat, Turkey.
| | - Naeem Ullah
- Faculty of Science and Arts, Chemistry Department, Gaziosmanpaşa University, 60250, Tokat, Turkey
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
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Vincenzetti S, Felici A, Ciarrocchi G, Pucciarelli S, Ricciutelli M, Ariani A, Polzonetti V, Polidori P. Comparative proteomic analysis of two clam species: Chamelea gallina and Tapes philippinarum. Food Chem 2017; 219:223-229. [PMID: 27765220 DOI: 10.1016/j.foodchem.2016.09.150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 09/08/2016] [Accepted: 09/23/2016] [Indexed: 11/18/2022]
Abstract
Clams have long been a fisheries and aquaculture sector of great importance in Italy, the main resource of fisheries is the Chamelea gallina of indigenous origin, whereas clams breeding is supported almost entirely by the Tapes philippinarum, a species of Indo-Pacific origin. Bivalve molluscs quality depends mainly on the water quality, and then by a series of factors such as water temperature and salinity, gametogenic cycle, food availability, and environmental conditions, that affect the Condition Index. In this work crude extracts obtained from the edible part of Chamelea gallina and Tapes philippinarum were analyzed by a proteomic approach based on a two-dimensional gel electrophoresis followed by liquid chromatography-tandem mass spectrometry, in order to detect biomarkers useful for identification of the two kinds of clams and to assess their nutritional characteristics. As a result, four differentially expressed spots were found and identified, namely enolase, cyclophilin-A, ribosomal protein L13 and actin-1.
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Affiliation(s)
- Silvia Vincenzetti
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino (MC), Italy.
| | - Alberto Felici
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino (MC), Italy
| | - Giorgio Ciarrocchi
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino (MC), Italy
| | - Stefania Pucciarelli
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino (MC), Italy
| | | | - Ambra Ariani
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino (MC), Italy
| | - Valeria Polzonetti
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino (MC), Italy
| | - Paolo Polidori
- School of Pharmacy, University of Camerino, Camerino (MC), Italy
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19
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Gandar A, Laffaille P, Marty-Gasset N, Viala D, Molette C, Jean S. Proteome response of fish under multiple stress exposure: Effects of pesticide mixtures and temperature increase. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 184:61-77. [PMID: 28109940 DOI: 10.1016/j.aquatox.2017.01.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 01/10/2017] [Accepted: 01/13/2017] [Indexed: 06/06/2023]
Abstract
Aquatic systems can be subjected to multiple stressors, including pollutant cocktails and elevated temperature. Evaluating the combined effects of these stressors on organisms is a great challenge in environmental sciences. To the best of our knowledge, this is the first study to assess the molecular stress response of an aquatic fish species subjected to individual and combined pesticide mixtures and increased temperatures. For that, goldfish (Carassius auratus) were acclimated to two different temperatures (22 and 32°C) for 15 days. They were then exposed for 96h to a cocktail of herbicides and fungicides (S-metolachlor, isoproturon, linuron, atrazine-desethyl, aclonifen, pendimethalin and tebuconazole) at two environmentally relevant concentrations (total concentrations of 8.4μgL-1 and 42μgL-1) at these two temperatures (22 and 32°C). The molecular response in liver was assessed by 2D-proteomics. Identified proteins were integrated using pathway enrichment analysis software to determine the biological functions involved in the individual or combined stress responses and to predict the potential deleterious outcomes. The pesticide mixtures elicited pathways involved in cellular stress response, carbohydrate, protein and lipid metabolisms, methionine cycle, cellular functions, cell structure and death control, with concentration- and temperature-dependent profiles of response. We found that combined temperature increase and pesticide exposure affected the cellular stress response: the effects of oxidative stress were more marked and there was a deregulation of the cell cycle via apoptosis inhibition. Moreover a decrease in the formation of glucose by liver and in ketogenic activity was observed in this multi-stress condition. The decrease in both pathways could reflect a shift from a metabolic compensation strategy to a conservation state. Taken together, our results showed (1) that environmental cocktails of herbicides and fungicides induced important changes in pathways involved in metabolism, cell structure and cell cycle, with possible deleterious outcomes at higher biological scales and (2) that increasing temperature could affect the response of fish to pesticide exposure.
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Affiliation(s)
- Allison Gandar
- EcoLab, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Pascal Laffaille
- EcoLab, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | | | - Didier Viala
- Plate-Forme 'Exploration du Métabolisme', Centre de Clermont-Ferrand, Theix, 63122, Saint Genès Champanelle, France; UMR 1213 Herbivores, INRA, VetAgro Sup, NRA Theix, 63122, Saint Genès Champanelle, France
| | - Caroline Molette
- GenPhySE, Université de Toulouse, INRA, INPT, ENVT, 31326 Castanet-Tolosan, France
| | - Séverine Jean
- EcoLab, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France.
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20
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Xu X, Shi L, Wang M. Comparative quantitative proteomics unveils putative mechanisms involved into mercury toxicity and tolerance in Tigriopus japonicus under multigenerational exposure scenario. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 218:1287-1297. [PMID: 27593353 DOI: 10.1016/j.envpol.2016.08.087] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 08/24/2016] [Accepted: 08/31/2016] [Indexed: 06/06/2023]
Abstract
In our earlier work, Tigriopus japonicus were subjected to different mercuric chloride treatments (0-50 μg/L in the seawater) for five generations (F0-F4), and they were subsequently resumed under clean environments for one generation, i.e., F5. Accumulative effects were hypothesized to participate in mercury (Hg) multigenerational toxicity, however phenotypic plasticity could be responsible for metal resistance in this copepod against the long term exposure. Here, we specifically investigated the proteome profiles in the F0, F2, and F5 copepods of the control and 50 μg/L metal treatment, respectively, so as to elucidate the action mechanisms for Hg toxicity/tolerance in T. japonicus under the long term exposure. Functional enrichment analysis showed that a quite different proteomic response was observed in F5 compared with F0 and F2. Namely, the vast majority of enrichments were correlated with the down-regulated proteins in F0 and F2, whereas the enrichments for F5 were mostly attributable to the up-regulated proteins, suggesting that different mechanisms are responsible for Hg toxicity and tolerance (i.e., phenotypic plasticity). Hg toxicity prohibited many proteins in F0 and F2 which are related to several critical processes/pathways, e.g., protein translation, macromolecule metabolic process, DNA replication, cell cycle, cuticle organization, vitellogenesis, etc. In F5, many up-regulated proteins were enriched into compensatory systems, such as carbohydrate metabolism, myosin reorganizations, and stress-related defense pathway. Notably, glycolysis (an oxygen-independent pathway) was enhanced for energy allocation into metal detoxification and tolerance. Taken together, proteomics provides novel mechanistic insights into phenotypic plasticity used by T. japonicus when challenged with cumulative effects due to Hg multigenerational toxicity.
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Affiliation(s)
- Xiaoqun Xu
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen, 361102, China; Second Institute of Oceanography, State Oceanic Administration People's Republic of China, Hangzhou, 310012, China
| | - Lin Shi
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen, 361102, China
| | - Minghua Wang
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen, 361102, China; Center for Marine Environmental Chemistry and Toxicology, College of the Environment & Ecology, Xiamen University, Xiamen, 361102, China.
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21
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Dong W, Liu J, Wei L, Jingfeng Y, Chernick M, Hinton DE. Developmental toxicity from exposure to various forms of mercury compounds in medaka fish (Oryzias latipes) embryos. PeerJ 2016; 4:e2282. [PMID: 27635309 PMCID: PMC5012308 DOI: 10.7717/peerj.2282] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Accepted: 07/02/2016] [Indexed: 12/31/2022] Open
Abstract
This study examined developmental toxicity of different mercury compounds, including some used in traditional medicines. Medaka (Oryzias latipes) embryos were exposed to 0.001–10 µM concentrations of MeHg, HgCl2, α-HgS (Zhu Sha), and β-HgS (Zuotai) from stage 10 (6–7 hpf) to 10 days post fertilization (dpf). Of the forms of mercury in this study, the organic form (MeHg) proved the most toxic followed by inorganic mercury (HgCl2), both producing embryo developmental toxicity. Altered phenotypes included pericardial edema with elongated or tube heart, reduction of eye pigmentation, and failure of swim bladder inflation. Both α-HgS and β-HgS were less toxic than MeHg and HgCl2. Total RNA was extracted from survivors three days after exposure to MeHg (0.1 µM), HgCl2 (1 µM), α-HgS (10 µM), or β-HgS (10 µM) to examine toxicity-related gene expression. MeHg and HgCl2 markedly induced metallothionein (MT) and heme oxygenase-1 (Ho-1), while α-HgS and β-HgS failed to induce either gene. Chemical forms of mercury compounds proved to be a major determinant in their developmental toxicity.
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Affiliation(s)
- Wu Dong
- Inner Mongolia Provincial Key Laboratory for Toxicants and Animal Disease, College of Animal Science and Technology, Inner Mongolia University for the Nationalities, Tongliao, China; Nicholas School of the Environment, Duke University, Durham, NC, United States
| | - Jie Liu
- Zunyi Medical College, Department of Pharmacology , Zunyi , China
| | - Lixin Wei
- Department of Tibetan Medicine, Northwest Institute of Plateau Biology, Chinese Academy of Sciences , Xining , China
| | - Yang Jingfeng
- Inner Mongolia Provincial Key Laboratory for Toxicants and Animal Disease, College of Animal Science and Technology, Inner Mongolia University for the Nationalities , Tongliao , China
| | - Melissa Chernick
- Nicholas School of the Environment, Duke University , Durham , NC , United States
| | - David E Hinton
- Nicholas School of the Environment, Duke University , Durham , NC , United States
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22
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Lushchak VI. Contaminant-induced oxidative stress in fish: a mechanistic approach. FISH PHYSIOLOGY AND BIOCHEMISTRY 2016; 42:711-747. [PMID: 26607273 DOI: 10.1007/s10695-015-0171-5] [Citation(s) in RCA: 180] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 11/19/2015] [Indexed: 06/05/2023]
Abstract
The presence of reactive oxygen species (ROS) in living organisms was described more than 60 years ago and virtually immediately it was suggested that ROS were involved in various pathological processes and aging. The state when ROS generation exceeds elimination leading to an increased steady-state ROS level has been called "oxidative stress." Although ROS association with many pathological states in animals is well established, the question of ROS responsibility for the development of these states is still open. Fish represent the largest group of vertebrates and they inhabit a broad range of ecosystems where they are subjected to many different aquatic contaminants. In many cases, the deleterious effects of contaminants have been connected to induction of oxidative stress. Therefore, deciphering of molecular mechanisms leading to such contaminant effects and organisms' response may let prevent or minimize deleterious impacts of oxidative stress. This review describes general aspects of ROS homeostasis, in particular highlighting its basic aspects, modification of cellular constituents, operation of defense systems and ROS-based signaling with an emphasis on fish systems. A brief introduction to oxidative stress theory is accompanied by the description of a recently developed classification system for oxidative stress based on its intensity and time course. Specific information on contaminant-induced oxidative stress in fish is covered in sections devoted to such pollutants as metal ions (particularly iron, copper, chromium, mercury, arsenic, nickel, etc.), pesticides (insecticides, herbicides, and fungicides) and oil with accompanying pollutants. In the last section, certain problems and perspectives in studies of oxidative stress in fish are described.
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Affiliation(s)
- Volodymyr I Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine.
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Kim BM, Kim J, Choi IY, Raisuddin S, Au DWT, Leung KMY, Wu RSS, Rhee JS, Lee JS. Omics of the marine medaka (Oryzias melastigma) and its relevance to marine environmental research. MARINE ENVIRONMENTAL RESEARCH 2016; 113:141-152. [PMID: 26716363 DOI: 10.1016/j.marenvres.2015.12.004] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 12/11/2015] [Accepted: 12/12/2015] [Indexed: 06/05/2023]
Abstract
In recent years, the marine medaka (Oryzias melastigma), also known as the Indian medaka or brackish medaka, has been recognized as a model fish species for ecotoxicology and environmental research in the Asian region. O. melastigma has several promising features for research, which include a short generation period (3-4 months), daily spawning, small size (3-4 cm), transparent embryos, sexual dimorphism, and ease of mass culture in the laboratory. There have been extensive transcriptome and genome studies on the marine medaka in the past decade. Such omics data can be useful in understanding the signal transduction pathways of small teleosts in response to environmental stressors. An omics-integrated approach in the study of the marine medaka is important for strengthening its role as a small fish model for marine environmental studies. In this review, we present current omics information about the marine medaka and discuss its potential applications in the study of various molecular pathways that can be targets of marine environmental stressors, such as chemical pollutants. We believe that this review will encourage the use of this small fish as a model species in marine environmental research.
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Affiliation(s)
- Bo-Mi Kim
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon, 16419, South Korea
| | - Jaebum Kim
- Department of Animal Biotechnology, College of Animal Bioscience & Technology, Konkuk University, Seoul, 05029, South Korea
| | - Ik-Young Choi
- National Instrumentation Center for Environmental Management, College of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, South Korea
| | - Sheikh Raisuddin
- Department of Medical Elementology & Toxicology, Hamdard University, 110062, New Delhi, India
| | - Doris W T Au
- State Key Laboratory on Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Kenneth M Y Leung
- School of Biological Sciences, University of Hong Kong, Hong Kong, China
| | - Rudolf S S Wu
- School of Biological Sciences, University of Hong Kong, Hong Kong, China
| | - Jae-Sung Rhee
- Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon, 22012, South Korea.
| | - Jae-Seong Lee
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon, 16419, South Korea.
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Ansar S, AlGhosoon HT, Hamed S. Evaluation of protective effect of rutin on lead acetate-induced testicular toxicity in Wistar rats. TOXIN REV 2016. [DOI: 10.3109/15569543.2015.1136333] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Guo Z, Zhang W, Du S, Green I, Tan Q, Zhang L. Developmental patterns of copper bioaccumulation in a marine fish model Oryzias melastigma. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 170:216-222. [PMID: 26675367 DOI: 10.1016/j.aquatox.2015.11.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 11/24/2015] [Accepted: 11/26/2015] [Indexed: 05/09/2023]
Abstract
Allometry is known to be an important factor influencing metal bioaccumulation in animals. However, it is not clear whether effects are due to body size per se or changes in physiological traits during the animals' development. We therefore investigated the biokinetics of copper (Cu) and predicted Cu bioaccumulation during the development of a fish model, the marine medaka. The results revealed that the waterborne Cu uptake rate constant decreased and dietary Cu assimilation efficiency increased during development from larvae to adults. Thus, the allometric dependency of the biokinetic parameters in juveniles and adults can not be simply extrapolated to the whole life cycle. The body Cu concentration in the fish was predicted by the biokinetic model, which showed a rapid increase in the larval stage, followed by a slight increase from juveniles to adults, and then a relatively stable plateau in the post-adult stage. Dietary Cu uptake became more important as fish developed from larvae to juveniles, but became less important from juveniles to adults. These findings suggested that the developmental patterns of metal bioaccumulation are driven by an integrated biological/physiological shift through animals' ontogeny rather than a simple allometric dependent change. The developmental changes of metal uptake should be considered in ecological bioassessment and biomonitoring programs.
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Affiliation(s)
- Zhiqiang Guo
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, Chinese Academy of Sciences, South China Sea Institute of Oceanology, Guangzhou 510301, China; Department of Life and Environmental Sciences, Faculty of Science and Technology, Bournemouth University, Fern Barrow, Poole, Dorset, BH12 5BB, UK
| | - Wei Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, Chinese Academy of Sciences, South China Sea Institute of Oceanology, Guangzhou 510301, China
| | - Sen Du
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, Chinese Academy of Sciences, South China Sea Institute of Oceanology, Guangzhou 510301, China
| | - Iain Green
- Department of Life and Environmental Sciences, Faculty of Science and Technology, Bournemouth University, Fern Barrow, Poole, Dorset, BH12 5BB, UK
| | - Qiaoguo Tan
- Key Laboratory of the Coastal and Wetland Ecosystems, Ministry of Education, College of Environment and Ecology, Xiamen University, Xiamen, Fujian 361102, China
| | - Li Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, Chinese Academy of Sciences, South China Sea Institute of Oceanology, Guangzhou 510301, China.
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Ansar S, Iqbal M. Effect of dietary antioxidant on mercuric chloride induced lung toxicity and oxidative stress. TOXIN REV 2015. [DOI: 10.3109/15569543.2015.1112401] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Guyot E, Solovyova Y, Tomkiewicz C, Leblanc A, Pierre S, El Balkhi S, Le Frère-Belda MA, Lecuru F, Poupon J, Barouki R, Aggerbeck M, Coumoul X. Determination of Heavy Metal Concentrations in Normal and Pathological Human Endometrial Biopsies and In Vitro Regulation of Gene Expression by Metals in the Ishikawa and Hec-1b Endometrial Cell Line. PLoS One 2015; 10:e0142590. [PMID: 26600472 PMCID: PMC4657954 DOI: 10.1371/journal.pone.0142590] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 10/23/2015] [Indexed: 12/27/2022] Open
Abstract
It is well known that several metals, such as lead, mercury, cadmium, and vanadium, can mimic the effects of estrogens (metallo-estrogens). Nevertheless, there are only a few studies that have assessed the effects of toxic metals on the female genital tract and, in particular, endometrial tissue. In this context, we measured the concentrations of several trace elements in human endometrial tissue samples from individuals with hyperplasia or adenocarcinoma and in normal tissues. Hyperplasic endometrial tissue has a 4-fold higher concentration of mercury than normal tissue. Mercury can affect both the AhR and ROS signaling pathways. Thus, we investigated the possible toxic effects of mercury by in vitro studies. We found that mercury increases oxidative stress (increased HO1 and NQO1 mRNA levels) and alters the cytoskeleton in the human endometrial Ishikawa cell line and to a lesser extent, in the "less-differentiated" human endometrial Hec-1b cells. The results might help to explain a potential link between this metal and the occurrence of endometrial hyperplasia.
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Affiliation(s)
- Erwan Guyot
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
| | - Yevgeniya Solovyova
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
- Institute of Urgent and Recovery Surgery named after V.K. Gusak of the Ukrainian Academy of Medical Sciences, Donetsk; 47, avenue Leninsky, Donetsk- 83045, Ukraine
| | - Céline Tomkiewicz
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
| | - Alix Leblanc
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
| | - Stéphane Pierre
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
| | - Souleiman El Balkhi
- Laboratoire de toxicologie biologique, AP-HP, Hôpital Lariboisière, 2, rue Ambroise Paré, 75475 Paris, France
| | - Marie-Aude Le Frère-Belda
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Service de chirurgie gynécologique et cancérologique, hôpital européen Georges-Pompidou, AP-HP, 20, rue Leblanc, 75015 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
| | - Fabrice Lecuru
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Service de chirurgie gynécologique et cancérologique, hôpital européen Georges-Pompidou, AP-HP, 20, rue Leblanc, 75015 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
| | - Joël Poupon
- Laboratoire de toxicologie biologique, AP-HP, Hôpital Lariboisière, 2, rue Ambroise Paré, 75475 Paris, France
| | - Robert Barouki
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
- AP-HP, Hôpital Necker-Enfants Malades, service de biochimie métabolique, 149, rue de Sèvres, 75743 Paris, France
| | - Martine Aggerbeck
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
| | - Xavier Coumoul
- INSERM UMR-S 1124, Toxicologie Pharmacologie et Signalisation Cellulaire, 45 rue des Saints Pères, 75006 Paris, France
- Université Paris Descartes, Paris Sorbonne Cité, Centre universitaire des Saints-Pères, 45 rue des Saints Pères, 75006 Paris, France
- * E-mail:
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Mieiro CL, Pardal M, Duarte A, Pereira E, Palmeira CM. Impairment of mitochondrial energy metabolism of two marine fish by in vitro mercuric chloride exposure. MARINE POLLUTION BULLETIN 2015; 97:488-493. [PMID: 26026249 DOI: 10.1016/j.marpolbul.2015.05.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 05/19/2015] [Accepted: 05/21/2015] [Indexed: 06/04/2023]
Abstract
The goal of this work was to understand the extent of mercury toxic effects in liver metabolism under an episode of acute contamination. Hence, the effects of in vitro mercuric chloride in liver mitochondria were assessed in two commercial marine fish: Senegalese sole (Solea senegalensis) and gilthead seabream (Sparus aurata). Liver mitochondria were exposed to 0.2mgL(-1) of mercury, the average concentration found in fish inhabiting contaminated areas. Mercuric chloride depressed mitochondrial respiration state 3 and the maximal oxygen consumption in the presence of FCCP indicating inhibitory effects on the oxidative phosphorylation and on the electron transport chain, respectively. The inhibition of F1Fo-ATPase and succinate-dehydrogenase activities also corroborated the ability of mercury to inhibit ADP phosphorylation and the electron transport chain. This study brings new understanding on the mercury levels able to impair fish mitochondrial function, reinforcing the need for further assessing bioenergetics as a proxy for fish health status.
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Affiliation(s)
- C L Mieiro
- CESAM, Department of Chemistry, University of Aveiro, Campus de Santiago, 8005-135 Aveiro, Portugal.
| | - M Pardal
- CFE, Department of Life Sciences, University of Coimbra, Apartado 3046, 3001-401 Coimbra, Portugal
| | - A Duarte
- CESAM, Department of Chemistry, University of Aveiro, Campus de Santiago, 8005-135 Aveiro, Portugal
| | - E Pereira
- CESAM, Department of Chemistry, University of Aveiro, Campus de Santiago, 8005-135 Aveiro, Portugal
| | - C M Palmeira
- CNC, Department of Life Sciences, University of Coimbra, Apartado 3046, 3001-401 Coimbra, Portugal
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Ansar S. Effect of metal exposure in rats: amelioration by diallylsulphide. TOXIN REV 2015. [DOI: 10.3109/15569543.2015.1072564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Lai KP, Li JW, Wang SY, Chiu JMY, Tse A, Lau K, Lok S, Au DWT, Tse WKF, Wong CKC, Chan TF, Kong RYC, Wu RSS. Tissue-specific transcriptome assemblies of the marine medaka Oryzias melastigma and comparative analysis with the freshwater medaka Oryzias latipes. BMC Genomics 2015; 16:135. [PMID: 25765076 PMCID: PMC4352242 DOI: 10.1186/s12864-015-1325-7] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Accepted: 02/06/2015] [Indexed: 11/12/2022] Open
Abstract
Background The marine medaka Oryzias melastigma has been demonstrated as a novel model for marine ecotoxicological studies. However, the lack of genome and transcriptome reference has largely restricted the use of O. melastigma in the assessment of in vivo molecular responses to environmental stresses and the analysis of biological toxicity in the marine environment. Although O. melastigma is believed to be phylogenetically closely related to Oryzias latipes, the divergence between these two species is still largely unknown. Using Illumina high-throughput RNA sequencing followed by de novo assembly and comprehensive gene annotation, we provided transcriptomic resources for the brain, liver, ovary and testis of O. melastigma. We also investigated the possible extent of divergence between O. melastigma and O. latipes at the transcriptome level. Results More than 14,000 transcripts across brain, liver, ovary and testis in marine medaka were annotated, of which 5880 transcripts were orthologous between O. melastigma and O. latipes. Tissue-enriched genes were identified in O. melastigma, and Gene Ontology analysis demonstrated the functional specificity of the annotated genes in respective tissue. Lastly, the identification of marine medaka-enriched transcripts suggested the necessity of generating transcriptome dataset of O. melastigma. Conclusions Orthologous transcripts between O. melastigma and O. latipes, tissue-enriched genes and O. melastigma-enriched transcripts were identified. Genome-wide expression studies of marine medaka require an assembled transcriptome, and this sequencing effort has generated a valuable resource of coding DNA for a non-model species. This transcriptome resource will aid future studies assessing in vivo molecular responses to environmental stresses and those analyzing biological toxicity in the marine environment. Electronic supplementary material The online version of this article (doi:10.1186/s12864-015-1325-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Keng Po Lai
- School of Biological Sciences, Kadoorie Biological Sciences Building, The University of Hong Kong, Pokfulam Road, Hong Kong, SAR, China. .,The State Key Laboratory in Marine Pollution, Hong Kong, China.
| | - Jing-Woei Li
- School of Life Sciences, Hong Kong Bioinformatics Centre, The Chinese University of Hong Kong, Hong Kong, SAR, China.
| | - Simon Yuan Wang
- School of Biological Sciences, Kadoorie Biological Sciences Building, The University of Hong Kong, Pokfulam Road, Hong Kong, SAR, China. .,The State Key Laboratory in Marine Pollution, Hong Kong, China.
| | - Jill Man-Ying Chiu
- Department of Biology, Hong Kong Baptist University, Hong Kong, SAR, China. .,The State Key Laboratory in Marine Pollution, Hong Kong, China.
| | - Anna Tse
- School of Biological Sciences, Kadoorie Biological Sciences Building, The University of Hong Kong, Pokfulam Road, Hong Kong, SAR, China. .,The State Key Laboratory in Marine Pollution, Hong Kong, China.
| | - Karen Lau
- School of Biological Sciences, Kadoorie Biological Sciences Building, The University of Hong Kong, Pokfulam Road, Hong Kong, SAR, China. .,The State Key Laboratory in Marine Pollution, Hong Kong, China.
| | - Si Lok
- Genome Research Centre, The Hong Kong Jockey Club Building for Interdisciplinary Research, The University of Hong Kong, 5 Sassoon Road, Pokfulam, Hong Kong, SAR, China.
| | - Doris Wai-Ting Au
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, SAR, China. .,The State Key Laboratory in Marine Pollution, Hong Kong, China.
| | - William Ka-Fai Tse
- Department of Biology, Hong Kong Baptist University, Hong Kong, SAR, China.
| | - Chris Kong-Chu Wong
- Department of Biology, Hong Kong Baptist University, Hong Kong, SAR, China. .,The State Key Laboratory in Marine Pollution, Hong Kong, China.
| | - Ting-Fung Chan
- School of Life Sciences, Hong Kong Bioinformatics Centre, The Chinese University of Hong Kong, Hong Kong, SAR, China.
| | - Richard Yuen-Chong Kong
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, SAR, China. .,The State Key Laboratory in Marine Pollution, Hong Kong, China.
| | - Rudolf Shiu-Sun Wu
- School of Biological Sciences, Kadoorie Biological Sciences Building, The University of Hong Kong, Pokfulam Road, Hong Kong, SAR, China. .,The State Key Laboratory in Marine Pollution, Hong Kong, China.
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Vergilio C, Carvalho C, Melo E. Mercury-induced dysfunctions in multiple organelles leading to cell death. Toxicol In Vitro 2015; 29:63-71. [DOI: 10.1016/j.tiv.2014.09.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 09/03/2014] [Accepted: 09/06/2014] [Indexed: 01/26/2023]
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Lee J, Lee SJ, Lim KT. Preventive effects of ZPDC glycoprotein (24 kDa) on hepatotoxicity induced by mercury chloride in vitro and in vivo. Cell Biochem Funct 2014; 32:520-9. [PMID: 25043152 DOI: 10.1002/cbf.3046] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Revised: 06/18/2014] [Accepted: 06/19/2014] [Indexed: 12/23/2022]
Abstract
Mercury is a potent environmental contaminant that exerts toxic effect on various vital organs in the human body. Recently, we isolated glycoprotein from Zanthoxylum piperitum DC (ZPDC), which has antioxidant and anticancer effects. In the present study, we determined the preventive effects of ZPDC glycoprotein on hepatic damage induced by mercury chloride (HgCl2 ). We evaluated the activities of lactate dehydrogenase (LDH), alanine aminotransferase (ALT), antioxidant enzymes [superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx)], extracellular signal-regulated kinase (ERK)1/2, p38 mitogen-activated protein kinase (MAPK), cyclo-oxygenase (COX-2), inducible nitric oxide synthetase (iNOS), and activator protein (AP-1) and the quantitative expressions of nuclear factor E2-related factor (Nrf2), heme oxygenase (HO-1), metallothionein (MT) and reduced glutathione (GSH) in mercury-chloride-exposed (50 μM and 10 mg/kg body weight) primary cultured hepatocytes and ICR mice, using biochemical assays, radioactivity and immunoblot analysis. The results demonstrated that ZPDC glycoprotein decreased the levels of LDH, ALT, HO-1 and MT, whereas it increased the activities of hepatic antioxidant enzymes (SOD, CAT and GPx) and reduced GSH in mercury-chloride-exposed primary cultured hepatocytes. Also, it suppressed arachidonic acid release and expression of ERK, p38 MAPK, COX-2, iNOS, AP-1 and Nrf-2 in primary cultured hepatocytes and ICR mice exposed to mercury chloride. Collectively, ZPDC glycoprotein may have potential applications to prevent hepatotoxicity induced by mercury chloride.
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Affiliation(s)
- Jin Lee
- Molecular Biochemistry Laboratory, Biotechnology Research Institute & Center for the Control of Animal Hazards Using Biotechnology (BK21), Chonnam National University, Gwang-ju, Korea
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Development of a promising fish model (Oryzias melastigma) for assessing multiple responses to stresses in the marine environment. BIOMED RESEARCH INTERNATIONAL 2014; 2014:563131. [PMID: 24724087 PMCID: PMC3958766 DOI: 10.1155/2014/563131] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 01/08/2014] [Accepted: 01/23/2014] [Indexed: 12/02/2022]
Abstract
With the increasing number of contaminants in the marine environment, various experimental organisms have been “taken into labs” by investigators to find the most suitable environmentally relevant models for toxicity testing. The marine medaka, Oryzias melastigma, has a number of advantages that make it a prime candidate for these tests. Recently, many studies have been conducted on marine medaka, especially in terms of their physiological, biochemical, and molecular responses after exposure to contaminants and other environmental stressors. This review provides a literature survey highlighting the steady increase of ecotoxicological research on marine medaka, summarizes the advantages of using O. melastigma as a tool for toxicological research, and promotes the utilization of this organism in future studies.
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