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Tu Z, Tang L, Khan FU, Hu M, Shen H, Wang Y. Low-frequency noise aggravates the toxicity of cadmium in sea slug Onchdium reevesii. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169558. [PMID: 38135081 DOI: 10.1016/j.scitotenv.2023.169558] [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: 08/21/2023] [Revised: 11/25/2023] [Accepted: 12/18/2023] [Indexed: 12/24/2023]
Abstract
Industrial development not only triggers heavy metal pollution but also introduces a less easily discernible disturbance: low-frequency noise pollution. Low-frequency noise can disrupt wildlife behavior, potentially exerting complex effects through interacting with heavy metals. Nevertheless, the cumulative impacts of low-frequency noise and cadmium (Cd) pollution on marine organisms remain largely unexplored. This study aimed to evaluate the immune defense response of sea slugs (Onchdium reevesii) exposed to Cd (1.32 mg/L) and low-frequency noise (500 Hz, 1000 Hz). Our results show that Cd exposure results in Cd2+ accumulation in the sea slug's hepatopancreas, leading to a decrease in total antioxidant capacity (TAC) and a significant increase in enzyme activities, including glutathione (GSH), lipid peroxidation (LPO), and aspartate transferase (AST). Additionally, there is a substantial upregulation in the expression of genes related to tumor protein p53 (p53), Cytochrome C (CytC), Caspase 3, and Caspase 9, as well as metallothionein (MT) and heat shock protein 70 (Hsp70) genes. Concurrently, an excessive production of reactive oxygen species (ROS) occurs in the hemocytes, resulting in apoptosis and subsequent diminished cell viability, with these effects positively correlating with the exposure duration. Furthermore, when sea slugs were exposed to both Cd and low-frequency noise, there was a decrease in the hepatopancreas's antioxidant capacity and an enhancement in hemocytes immune responses, which positively correlated with low-frequency noise frequency. The comprehensive assessment of biomarker responses highlights that low-frequency noise has the potential to amplify the deleterious effects of Cd on sea slug physiology, with this negative impact positively linked to noise frequency. Consequently, our study underscores that the combined influence of low-frequency noise and Cd pollution magnifies the effects on sea slug health. This could potentially disrupt the population stability of this species within its natural habitat, providing fresh insights into the evaluation of cumulative environmental pollution risks.
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Affiliation(s)
- Zhihan Tu
- International Research Center for Marine Biosciences, Shanghai Ocean University, Ministry of Science and Technology, College of Fisheries and Life Science, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Liusiqiao Tang
- International Research Center for Marine Biosciences, Shanghai Ocean University, Ministry of Science and Technology, College of Fisheries and Life Science, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Fahim Ullah Khan
- International Research Center for Marine Biosciences, Shanghai Ocean University, Ministry of Science and Technology, College of Fisheries and Life Science, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Menghong Hu
- International Research Center for Marine Biosciences, Shanghai Ocean University, Ministry of Science and Technology, College of Fisheries and Life Science, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Heding Shen
- International Research Center for Marine Biosciences, Shanghai Ocean University, Ministry of Science and Technology, College of Fisheries and Life Science, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
| | - Youji Wang
- International Research Center for Marine Biosciences, Shanghai Ocean University, Ministry of Science and Technology, College of Fisheries and Life Science, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
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Trevisan R, Mello DF. Redox control of antioxidants, metabolism, immunity, and development at the core of stress adaptation of the oyster Crassostrea gigas to the dynamic intertidal environment. Free Radic Biol Med 2024; 210:85-106. [PMID: 37952585 DOI: 10.1016/j.freeradbiomed.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/30/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
This review uses the marine bivalve Crassostrea gigas to highlight redox reactions and control systems in species living in dynamic intertidal environments. Intertidal species face daily and seasonal environmental variability, including temperature, oxygen, salinity, and nutritional changes. Increasing anthropogenic pressure can bring pollutants and pathogens as additional stressors. Surprisingly, C. gigas demonstrates impressive adaptability to most of these challenges. We explore how ROS production, antioxidant protection, redox signaling, and metabolic adjustments can shed light on how redox biology supports oyster survival in harsh conditions. The review provides (i) a brief summary of shared redox sensing processes in metazoan; (ii) an overview of unique characteristics of the C. gigas intertidal habitat and the suitability of this species as a model organism; (iii) insights into the redox biology of C. gigas, including ROS sources, signaling pathways, ROS-scavenging systems, and thiol-containing proteins; and examples of (iv) hot topics that are underdeveloped in bivalve research linking redox biology with immunometabolism, physioxia, and development. Given its plasticity to environmental changes, C. gigas is a valuable model for studying the role of redox biology in the adaptation to harsh habitats, potentially providing novel insights for basic and applied studies in marine and comparative biochemistry and physiology.
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Affiliation(s)
- Rafael Trevisan
- Univ Brest, Ifremer, CNRS, IRD, UMR 6539, LEMAR, Plouzané, 29280, France
| | - Danielle F Mello
- Univ Brest, Ifremer, CNRS, IRD, UMR 6539, LEMAR, Plouzané, 29280, France.
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Ekelund Ugge GMO, Sahlin U, Jonsson A, Berglund O. Transcriptional Responses as Biomarkers of General Toxicity: A Systematic Review and Meta-analysis on Metal-Exposed Bivalves. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:628-641. [PMID: 36200657 DOI: 10.1002/etc.5494] [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: 02/25/2022] [Revised: 06/13/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
Through a systematic review and a series of meta-analyses, we evaluated the general responsiveness of putative transcriptional biomarkers of general toxicity and chemical stress. We targeted metal exposures performed on bivalves under controlled laboratory conditions and selected six transcripts associated with general toxicity for evaluation: catalase, glutathione-S-transferase, heat shock proteins 70 and 90, metallothionein, and superoxide dismutase. Transcriptional responses (n = 396) were extracted from published scientific articles (k = 22) and converted to log response ratios (lnRRs). By estimating toxic units, we normalized different metal exposures to a common scale, as a proxy of concentration. Using Bayesian hierarchical random effect models, we then tested the effects of metal exposure on lnRR, both for metal exposure in general and in meta-regressions using toxic unit and exposure time as independent variables. Corresponding analyses were also repeated with transcript and tissue as additional moderators. Observed patterns were similar for general and for transcript- and tissue-specific responses. The expected overall response to arbitrary metal exposure was an lnRR of 0.50, corresponding to a 65% increase relative to a nonexposed control. However, when accounting for publication bias, the estimated "true" response showed no such effect. Furthermore, expected response magnitude increased slightly with exposure time, but there was little support for general monotonic concentration dependence with regard to toxic unit. Altogether, the present study reveals potential limitations that need consideration prior to applying the selected transcripts as biomarkers in environmental risk assessment. Environ Toxicol Chem 2023;42:628-641. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Gustaf M O Ekelund Ugge
- Department of Biology, Lund University, Lund, Sweden
- School of Bioscience, University of Skövde, Skövde, Sweden
| | - Ullrika Sahlin
- Centre for Environmental and Climate Science, Lund University, Lund, Sweden
| | - Annie Jonsson
- School of Bioscience, University of Skövde, Skövde, Sweden
| | - Olof Berglund
- Department of Biology, Lund University, Lund, Sweden
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Santhosh AP, Pyary A, Biju A, Partheeban EC, Vethanayaham J, Rajendran R, Al-Sadoon MK, Gulnaz A. Heavy metal contamination along different tidal zones of a tropical Bay of Bengal coastal environment influenced by various anthropogenic activities. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:27980-27995. [PMID: 36385342 DOI: 10.1007/s11356-022-24112-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
The spatiotemporal variations of five heavy metals (Cd, Cu, Cr, Pb, and Zn) in the beach sediments along the Tamil Nadu coast sourced from various anthropogenic activities were assessed using atomic absorption spectrophotometry (AAS). Various pollution monitoring indices were computed to clearly understand the metal pollution status along the Tamil Nadu coastline. The metal concentrations in sediments were typically higher in the summer season than in the monsoon season. In the monsoon season, metal concentration followed a decreasing order of Zn > Cr > Cu > Pb > Cd, and in the summer season, the order was Cr > Zn > Cu > Pb > Cd. During the monsoon season, freshwater runoff from the rainfall dilutes the sediments and their trace element load. However, due to a lack of freshwater influx during the summer season, the heavy metals in the sediments get concentrated and showed elevated levels. Geo-accumulation index, ecological risk index, pollution load index, and contamination degree clearly depict that Cd and Pb have higher accumulation and pose greater hazard when compared with other metals. The rivers flowing in the region also transport the heavy metals from the mainland to the estuaries and coastal environments. Metal levels along the Tamil Nadu coast are influenced by various anthropogenic activities persistent along the coastline. Some of the activities that cause metal contamination are mining, milling, electroplating, furnishing, pharmaceutical industries, fishing, harbor activities, urban runoff, and agricultural runoff, which release a variety of toxic metals into the coastal environment.
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Affiliation(s)
- Athira Pulickal Santhosh
- DNA Barcoding and Marine Genomics Laboratory, Department of Marine Science, Bharathidasan University, Tamil Nadu, Tiruchirappalli, India, 620 024
| | - Anisha Pyary
- DNA Barcoding and Marine Genomics Laboratory, Department of Marine Science, Bharathidasan University, Tamil Nadu, Tiruchirappalli, India, 620 024
| | - Anagha Biju
- DNA Barcoding and Marine Genomics Laboratory, Department of Marine Science, Bharathidasan University, Tamil Nadu, Tiruchirappalli, India, 620 024
| | - Emmanuel Charles Partheeban
- DNA Barcoding and Marine Genomics Laboratory, Department of Marine Science, Bharathidasan University, Tamil Nadu, Tiruchirappalli, India, 620 024
| | - Jebashalomi Vethanayaham
- DNA Barcoding and Marine Genomics Laboratory, Department of Marine Science, Bharathidasan University, Tamil Nadu, Tiruchirappalli, India, 620 024
| | - Rajaram Rajendran
- DNA Barcoding and Marine Genomics Laboratory, Department of Marine Science, Bharathidasan University, Tamil Nadu, Tiruchirappalli, India, 620 024.
| | - Mohammad Khalid Al-Sadoon
- Department of Zoology, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia
| | - Aneela Gulnaz
- Department of Biotechnology, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38641, Republic of Korea
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Georgieva E, Antal L, Stoyanova S, Aranudova D, Velcheva I, Iliev I, Vasileva T, Bivolarski V, Mitkovska V, Chassovnikarova T, Todorova B, Uzochukwu IE, Nyeste K, Yancheva V. Biomarkers for pollution in caged mussels from three reservoirs in Bulgaria: A pilot study. Heliyon 2022; 8:e09069. [PMID: 35284685 PMCID: PMC8914122 DOI: 10.1016/j.heliyon.2022.e09069] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/11/2022] [Accepted: 03/03/2022] [Indexed: 12/22/2022] Open
Abstract
The mussel-watch concept was firstly proposed in 1975, which was later adopted by several international monitoring programs worldwide. However, for the very first time, a field experiment with caged mussels was performed in three reservoirs in Bulgaria to follow the harmful effects of sub-chronic pollution (30 days) of metals, trace, and macro-elements, as well as some organic toxicants, such as polybrominated diphenyl ethers and chlorinated paraffins. Therefore, we studied the biometric indices, histochemical lesions in the gills, biochemical changes in the digestive glands (antioxidant defense enzymes, such as catalase, glutathione reductase, and glutathione peroxidase; metabolic enzymes, such as lactate dehydrogenase, alanine aminotransferase, and aspartate aminotransferase, and the neurotransmitter cholinesterase), in addition to the DNA damage in the Chinese pond mussel, Sinanodonta woodiana (Lea, 1834) in Kardzhali, Studen Kladenets and Zhrebchevo reservoirs in Bulgaria. Significant correlation trends between the pollution levels, which we reported before, and the biomarker responses were established in the current paper. Overall, we found that both tested organs were susceptible to pollution-induced oxidative stress. The different alterations in the selected biomarkers in the caged mussels compared to the reference group were linked to the different kinds and levels of water pollution in the reservoirs, and also to the simultaneously conducted bioaccumulation studies. The effects of water pollution in caged mussels from three large dam reservoirs in Bulgaria were assessed. A cocktail of different inorganic and organic toxicants was measured both in waters and mussels for the first time. Different biomarker responses (cellular to individual) were also followed in gills and digestive glands of the transplants. Correlation trends between the pollution levels and the applied biological tools were established.
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Bio S, Nunes B. Twists and turns of an oyster's life: effects of different depuration periods on physiological biochemical functions of oysters. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:29601-29614. [PMID: 33559825 DOI: 10.1007/s11356-021-12683-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 01/22/2021] [Indexed: 06/12/2023]
Abstract
Aquaculture activities are often established in the vicinity of highly populated, potentially contaminated areas. Animals cultured at such locations, namely bivalves, are frequently used as test organisms in ecotoxicological testing. In this case, a period of depuration is required to allow the normalization of physiological processes, which are likely to be altered after exposure to a multiplicity of waterborne contaminants occurring in the wild. One of the most important species in modern marine aquaculture is the oyster species Crassostrea gigas. The aim of this study was to assess if the current depuration time frame of 24 h (adopted by most aquaculture facilities), is long enough to permit oysters to revert potential toxic effects exerted by environmental contaminants, allowing their use in laboratory-based ecotoxicological studies. The selected approach involved the monitoring of biochemical (antioxidant defence, oxidative damage, phase II metabolism, and neurological homeostasis) and physiological (condition index) parameters, along a period of 42 days. The obtained results showed that a period of 24 h does not revert any of the potential toxic effects caused by environmental contaminants to which animals may have been previously subjected; even a period of 42 days was not long enough for the oysters to completely normalize the levels of their antioxidant defences, namely total GPx activity, which increased over time. Lipid peroxidation was also increased during the depuration period, and the activity of the metabolic isoenzymes GSTs was significantly decreased. Furthermore, AChE activity measured in the adductor muscle of oysters was increased over time. These assumptions suggest that a period of depuration longer than 24 h is mandatory to obtain adequate test organisms of this oyster species, to be used for ecotoxicological testing purposes.
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Affiliation(s)
- Sofia Bio
- Departamento de Biologia, Universidade de Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Bruno Nunes
- Departamento de Biologia, Universidade de Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
- Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
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A Comparative Transcriptomics Approach to Analyzing the Differences in Cold Resistance in Pomacea canaliculata between Guangdong and Hunan. J Immunol Res 2020; 2020:8025140. [PMID: 32832573 PMCID: PMC7422425 DOI: 10.1155/2020/8025140] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 11/17/2022] Open
Abstract
Pomacea canaliculata, known as an invasive freshwater snail, is also called a golden apple snail; its survival and expansion are greatly affected by temperature. In this study, high-throughput sequencing (RNA-seq) was used to perform comparative transcriptome analysis on the muscular tissue (G_M) of snails in Guangdong and Hunan. Differential gene screening was performed with FDR <0.05 and |log2FoldChange| >1 as the threshold, and a total of 1,368 differential genes were obtained (671 genes showed upregulation in snails from Guangdong, and 697 genes displayed upregulation in snails from Hunan). Fifteen genes were identified as candidate genes for the cold hardiness of Pomacea canaliculata. Among them, three genes were involved in energy metabolism (glycogen synthase, 1; DGK, 1; G6PD, 1); seven genes were involved in homeostasis regulation (HSP70, 2; BIP, 1; GPX, 1; GSTO 1, G6PD, 1; caspase-9, 1); two genes were involved in amino acid metabolism (glutamine synthetase, 1; PDK, 1); and four genes were involved in membrane metabolism (inositol-3-phosphate synthase, 1; Na+/K+-ATPase, 1; calcium-binding protein, 2). This study presents the molecular mechanisms for the cold hardiness of Pomacea canaliculata, which could provide a scientific basis for the forecast and prevention of harm from Pomacea canaliculata.
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Sakatoku A, Ishikawa M, Yamazaki K, Nakamachi T, Kamachi H, Tanaka D, Nakamura S. Molecular Identification, Characterization, and Expression Analysis of a Metallothionein Gene from Septifer virgatus. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2020; 22:488-497. [PMID: 32435938 DOI: 10.1007/s10126-020-09970-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 04/03/2020] [Indexed: 06/11/2023]
Abstract
This study provides a preliminary characterization of a metallothionein (MT) gene in Septifer virgatus and highlights its potential use in biomonitoring. The full-length SvMT cDNA and the complete sequence of the SvMT gene were identified using reverse transcriptase PCR coupled with the rapid amplification of cDNA ends and the primer walking method. The SvMT cDNA encodes a protein of 72 amino acids having nine classical Cys-X-Cys motifs. Moreover, the deduced amino acids contained the conserved motif (Cys-x-Cys-x(3)-Cys-Thr-Gly-x(3)-Cys-x-Cys-x(3)-Cys-x-Cys-Lys) of MT family 2. Its molecular mass and isoelectric point were estimated to be 7.01 kDa and 7.00, respectively. BLAST-based searching indicated that SvMT shared 81.0% amino acid sequence identity with Mytilus edulis MT-20-II. The SvMT gene has three coding exons and two introns. After exposure to 1 mg/L cadmium chloride, the expression of SvMT increased 15-fold by 3 days (d), with a maximum expression of 27-fold by 5 d compared with the pre-exposure level. After exposure to 2 mg/L zinc chloride, the expression of SvMT increased 2.5-fold by 3 d and 4.7-fold by 5 d compared with the pre-exposure level. A significant increase in the expression level of SvMT mRNA was observed after the exposure of S. virgatus to the combination of 0.003 mg/L cadmium chloride and 0.2 mg/L zinc chloride compared with the pre-exposure level. Our work indicates that the SvMT gene is associated with stress responses and could be a potential biomarker for marine pollution.
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Affiliation(s)
- Akihiro Sakatoku
- Graduate School of Science and Engineering, Department of Environmental and Energy Science Faculty of Earth and Environmental Systems, University of Toyama, Toyama, 930-8555, Japan.
| | - Masahito Ishikawa
- Graduate School of Science and Engineering, Department of Environmental and Energy Science Faculty of Earth and Environmental Systems, University of Toyama, Toyama, 930-8555, Japan
| | - Kanna Yamazaki
- Graduate School of Science and Engineering, Department of Environmental and Energy Science Faculty of Earth and Environmental Systems, University of Toyama, Toyama, 930-8555, Japan
| | - Tomoya Nakamachi
- Graduate School of Science and Engineering, Department of Environmental and Energy Science Faculty of Earth and Environmental Systems, University of Toyama, Toyama, 930-8555, Japan
| | - Hiroyuki Kamachi
- Graduate School of Science and Engineering, Department of Environmental and Energy Science Faculty of Earth and Environmental Systems, University of Toyama, Toyama, 930-8555, Japan
| | - Daisuke Tanaka
- Graduate School of Science and Engineering, Department of Environmental and Energy Science Faculty of Earth and Environmental Systems, University of Toyama, Toyama, 930-8555, Japan
| | - Shogo Nakamura
- Graduate School of Science and Engineering, Department of Environmental and Energy Science Faculty of Earth and Environmental Systems, University of Toyama, Toyama, 930-8555, Japan
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Ferreira CP, Lima D, Paiva R, Vilke JM, Mattos JJ, Almeida EA, Grott SC, Alves TC, Corrêa JN, Jorge MB, Uczay M, Vogel CIG, Gomes CHAM, Bainy ACD, Lüchmann KH. Metal bioaccumulation, oxidative stress and antioxidant responses in oysters Crassostrea gasar transplanted to an estuary in southern Brazil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 685:332-344. [PMID: 31176220 DOI: 10.1016/j.scitotenv.2019.05.384] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 05/07/2019] [Accepted: 05/24/2019] [Indexed: 06/09/2023]
Abstract
The present study assessed the spatial and temporal variations on metal bioaccumulation and biochemical biomarker responses in oysters Crassostrea gasar transplanted to two different sites (S1 and S2) at the Laguna Estuarine System (LES), southern Brazil, over a 45-days period. A multi-biomarker approach was used, including the evaluation of lipid peroxidation (MDA) levels, and antioxidant defense enzymes (CAT, GPx, GR and G6PDH) and phase II biotransformation enzyme (GST) in the gills and digestive gland of oysters in combination with the quantification of Al, Cd, Cu, Pb, Fe, Ni and Zn in both tissues. The exposed oysters bioaccumulated metals, especially Al, Cd and Zn in gills and digestive gland, with most prominent biomarker responses in the gills. Results showed that GPx, GR and G6PDH enzymes offered an increased and coordinated response possibly against metal (Zn, Ni, Cd and Cu) contamination in gills. GST was inversely correlated to Cd levels, being its activity significantly lowered over the 45-d exposure periods at S2. On contrary, in digestive gland GST was slightly positively correlated to Cd, revealing a compensatory mechanism between tissues to protect oysters' cells against oxidative damages, since MDA levels also decreased. CAT also appeared to be involved in the cellular protection against oxidative stress, being increased in gills. However, CAT was negatively correlated to Al levels, which might suggest a possible inhibitory effect of this metal in the gills of C. gasar. Differences between tissues were evident by the Integrative Biomarker Responses version 2 (IBRv2) indexes, which showed different pattern between tissues when studying the sites and exposure periods separately. This study provided evidence for the effectiveness of using a multi-biomarker approach in oyster C. gasar to monitor estuarine metal pollution.
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Affiliation(s)
- Clarissa P Ferreira
- Fishery Engineering Department, Santa Catarina State University, Laguna 88790-000, Brazil
| | - Daína Lima
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Federal University of Santa Catarina, Florianópolis 88034-257, Brazil
| | - Raphaella Paiva
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Federal University of Santa Catarina, Florianópolis 88034-257, Brazil
| | - Juliano M Vilke
- Fishery Engineering Department, Santa Catarina State University, Laguna 88790-000, Brazil
| | - Jacó J Mattos
- Aquaculture Pathology Research Center, Federal University of Santa Catarina, Florianópolis 88034-257, Brazil
| | - Eduardo A Almeida
- Department of Natural Sciences, Regional University of Blumenau, Blumenau 89012-170, Brazil
| | - Suelen C Grott
- Department of Natural Sciences, Regional University of Blumenau, Blumenau 89012-170, Brazil
| | - Thiago C Alves
- Department of Natural Sciences, Regional University of Blumenau, Blumenau 89012-170, Brazil
| | - Jacyara N Corrêa
- Oceanography and Limnology Department, Federal University of Maranhão, São Luís 65080-805, Brazil
| | - Marianna B Jorge
- Oceanography and Limnology Department, Federal University of Maranhão, São Luís 65080-805, Brazil
| | - Mariana Uczay
- Animal and Food Production Department, Santa Catarina State University, Lages 88520-000, Brazil
| | - Carla I G Vogel
- Animal and Food Production Department, Santa Catarina State University, Lages 88520-000, Brazil
| | - Carlos H A M Gomes
- Laboratory of Marine Mollusks, Federal University of Santa Catarina, Florianópolis 88034-257, Brazil
| | - Afonso C D Bainy
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Federal University of Santa Catarina, Florianópolis 88034-257, Brazil
| | - Karim H Lüchmann
- Department of Scientific and Technological Education, Santa Catarina State University, Florianópolis 88035-001, Brazil.
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Haque MN, Eom HJ, Nam SE, Shin YK, Rhee JS. Chlorothalonil induces oxidative stress and reduces enzymatic activities of Na+/K+-ATPase and acetylcholinesterase in gill tissues of marine bivalves. PLoS One 2019; 14:e0214236. [PMID: 30964867 PMCID: PMC6456286 DOI: 10.1371/journal.pone.0214236] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 03/09/2019] [Indexed: 12/19/2022] Open
Abstract
Chlorothalonil is a thiol-reactive antifoulant that disperses widely and has been found in the marine environment. However, there is limited information on the deleterious effects of chlorothalonil in marine mollusks. In this study, we evaluated the effects of chlorothalonil on the gill tissues of the Pacific oyster, Crassostrea gigas and the blue mussel, Mytilus edulis after exposure to different concentrations of chlorothalonil (0.1, 1, and 10 μg L−1) for 96 h. Following exposure to 1 and/or 10 μg L−1 of chlorothalonil, malondialdehyde (MDA) levels significantly increased in the gill tissues of C. gigas and M. edulis compared to that in the control group at 96 h. Similarly, glutathione (GSH) levels were significantly affected in both bivalves after chlorothalonil exposure. The chlorothalonil treatment caused a significant time- and concentration-dependent increase in the activity of enzymes, such as catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx), and glutathione reductase (GR), in the antioxidant defense system. Furthermore, 10 μg L−1 of chlorothalonil resulted in significant inhibitions in the enzymatic activity of Na+/K+-ATPase and acetylcholinesterase (AChE). These results suggest that chlorothalonil induces potential oxidative stress and changes in osmoregulation and the cholinergic system in bivalve gill tissues. This information will be a useful reference for the potential toxicity of chlorothalonil in marine bivalves.
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Affiliation(s)
- Md. Niamul Haque
- Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon, South Korea
- Research Institute of Basic Sciences, Incheon National University, Incheon, South Korea
| | - Hye-Jin Eom
- Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon, South Korea
| | - Sang-Eun Nam
- Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon, South Korea
| | - Yun Kyung Shin
- Southeast Sea Fisheries Research Institute, National Institute of Fisheries Science, Tongyeong, South Korea
| | - Jae-Sung Rhee
- Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon, South Korea
- Research Institute of Basic Sciences, Incheon National University, Incheon, South Korea
- Institute of Green Environmental Research Center, Yeonsugu, Incheon, South Korea
- * E-mail:
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11
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Chan CY, Wang WX. Seasonal and spatial variations of biomarker responses of rock oysters in a coastal environment influenced by large estuary input. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 242:1253-1265. [PMID: 30118913 DOI: 10.1016/j.envpol.2018.08.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 08/03/2018] [Accepted: 08/04/2018] [Indexed: 06/08/2023]
Abstract
The present study assessed the spatial and temporal variations and the potential influences of the Pearl River discharge on trace metal bioaccumulation and biomarker responses in Hong Kong coastal waters. A suite of biomarkers including antioxidant defense, oxidative stress, metal detoxification, cellular response, neurotoxicity, and energy reserve were quantified in the rock oyster Saccostrea cucullata over spatial scale across the east and west of Hong Kong. We documented the elevated Cd, Cu and Zn concentrations in all western stations in the fall season, as a result of time-integrated accumulation during the peak discharge of the Pearl River Estuary (PRE) in summer. Lipid peroxidation and total glutathione corresponded well with the overall metal gradient and showed significant correlation with the tissue Cu bioaccumulation. The eastern station (Clear Water Bay) also exhibited high Cd and Cu concentrations with increased oxidative stress responses. In the spring, metal bioaccumulation in the oysters was reduced due to the weakened influence of PRE, with correspondingly less obvious biomarker responses. Our coupling measurements of biomarkers and tissue metal concentrations for the first time revealed that the large PRE could have latent and seasonal biological effects on the Hong Kong coastal biota. Sensitive biomarkers such as lipid peroxidation and glutathione responses might be good candidates for detecting the early biological responses in such sub-lethal contaminated environments.
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Affiliation(s)
- Cheuk Yan Chan
- Department of Ocean Science, The Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong, China; Marine Environmental Laboratory, HKUST Shenzhen Research Institute, Shenzhen, 518057, Hong Kong, China
| | - Wen-Xiong Wang
- Department of Ocean Science, The Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong, China; Marine Environmental Laboratory, HKUST Shenzhen Research Institute, Shenzhen, 518057, Hong Kong, China.
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12
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Liu Z, Ye Q, Wu L, Gao F, Xie H, Zhou L, Zheng S, Xu X. Metallothionein 1 family profiling identifies MT1X as a tumor suppressor involved in the progression and metastastatic capacity of hepatocellular carcinoma. Mol Carcinog 2018; 57:1435-1444. [PMID: 29873415 DOI: 10.1002/mc.22846] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 05/14/2018] [Accepted: 06/01/2018] [Indexed: 12/20/2022]
Abstract
Metallothionein 1 (MT1s) is a family of cysteine-rich proteins with diverse functions such as metal homeostasis, oxidative stress, and carcinogenesis. However, its involvement in hepatocellular carcinoma (HCC) remains not fully understood. We aimed to explore the contribution of the individual member of MT1s to HCC. Its member mRNA levels were determined in cohort 1 of normal (n = 30), cirrhotic (n = 30), peritumoral (n = 135), and HCC (n = 135). In cohort 1, seven of eight members were down-regulated during the transition from normal liver to HCC, and only MT1G and MT1X were correlated with tumor features and outcomes. The MT1X was selected to be further stained in cohort 2 consisting of a series of liver nodules (15 normal livers, 33 cirrhotic livers, 12 dysplastic nodules, 31 HCC, and 9 HCC metastasis), and in cohort 3 (HCC, n = 85). In cohort 2, MT1X immunoreactivity was reduced in HCC and lost in metastatic HCC and showed good diagnostic performance for HCC (AUC = 0.754, 95%IC = 0.659-0.849). In cohort 3, MT1X expression in peritumoral tissues was independent predictor for HCC (recurrence free survival: HR = 0.34, 95%CI = 0.17-0.66; overall survival: HR = 0.32, 95%CI = 0.16-0.60). Moreover, we found that ectopic overexpression of MT1X delayed G1/S progression of cell cycle and promoted apoptosis in HCC cells in vitro, and suppressed tumor growth and lung metastasis in nude mice in vivo. We further demonstrated that MT1X induces cell cycle arrest and apoptosis by inactivating NF-κB signaling in HCC. In conclusion, MT1X may serve as a candidate of prognostic indicator and inhibits the progression and metastasis of HCC.
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Affiliation(s)
- Zhikun Liu
- Division of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Lab of Combined Multi-Organ Transplantation, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Ministry of Public Health, Hangzhou, China
| | - Qianwei Ye
- Key Lab of Combined Multi-Organ Transplantation, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Ministry of Public Health, Hangzhou, China
| | - Lingjiao Wu
- Key Lab of Combined Multi-Organ Transplantation, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Ministry of Public Health, Hangzhou, China
| | - Feng Gao
- Division of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Lab of Combined Multi-Organ Transplantation, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Ministry of Public Health, Hangzhou, China
| | - Haiyang Xie
- Key Lab of Combined Multi-Organ Transplantation, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Ministry of Public Health, Hangzhou, China
| | - Lin Zhou
- Key Lab of Combined Multi-Organ Transplantation, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Ministry of Public Health, Hangzhou, China
| | - Shusen Zheng
- Division of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Lab of Combined Multi-Organ Transplantation, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Ministry of Public Health, Hangzhou, China
| | - Xiao Xu
- Division of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Lab of Combined Multi-Organ Transplantation, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Ministry of Public Health, Hangzhou, China
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13
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Ladhar-Chaabouni R, Houel T, Serpentini A, Karray S, Lebel JM, Hamza-Chaffai A. Responses of primary cultured haemocytes derived from the marine gastropod Haliotis tuberculata to an industrial effluent exposure. Cytotechnology 2016; 69:191-200. [PMID: 27957649 DOI: 10.1007/s10616-016-0050-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 11/22/2016] [Indexed: 10/20/2022] Open
Abstract
This study assessed the responses of primary cultured haemocytes from the marine gastropod Haliotis tuberculata exposed to the increasing concentrations of industrial effluent (0, 0.5, 1, 10, 15 and 20%) discharged into the Tunisian coastal area. Analyses showed the presence of metals such as cadmium (Cd), chromium (Cr), copper (Cu), manganese (Mn), zinc (Zn), nickel (Ni) and lead (Pb) in the effluent. The effects of this mixture of pollutants on abalone haemocyte parameters were reflected by a significant decrease of cell viability, phagocytotic activity and reactive oxygen species (ROS) production as well as morphological and lysosomal membrane alterations. Thus, these results indicated that our primary culture system represents a suitable in vitro model for monitoring of anthropogenic contaminants in aquatic environments.
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Affiliation(s)
| | - Thomas Houel
- Normandie université, 14032, Caen, France.,UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, 14032, Caen Cedex 5, France
| | - Antoine Serpentini
- Normandie université, 14032, Caen, France.,UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, 14032, Caen Cedex 5, France
| | - Sahar Karray
- Marine Ecotoxicology UR 09-03, IPEIS, BP 805, 3018, Sfax, Tunisia
| | - Jean-Marc Lebel
- Normandie université, 14032, Caen, France.,UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, 14032, Caen Cedex 5, France
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14
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Liu X, Wang WX. Antioxidant and detoxification responses of oysters Crassostrea hongkongensis in a multimetal-contaminated estuary. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2016; 35:2798-2805. [PMID: 27071024 DOI: 10.1002/etc.3455] [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: 01/10/2016] [Revised: 02/29/2016] [Accepted: 04/07/2016] [Indexed: 06/05/2023]
Abstract
The contaminated oysters discovered in the Pearl River Estuary (Guangdong province, China) contained high levels of metals in their tissues, especially Cu and Zn, indicating that this large and densely urbanized estuary in Southern China suffers from serious metal pollution. The present study aimed to investigate the impacts of multimetal pollution in the Pearl River Estuary on oyster antioxidant and detoxification systems. The responses of various biochemical biomarkers in the ecologically important oyster Crassostrea hongkongensis collected from 7 sites in the Pearl River Estuary were quantified. Significant correlations were demonstrated between the accumulation of Cu and Zn and oxidative stress (lipid peroxidation) and oxidative stress defenses (catalase, glutathione peroxidase) in the oyster gills. Significant correlations between the accumulation of Cd and Cu and detoxification (glutathione and glutathione transferase) in the gills were also documented. Interestingly, metallothionein concentrations were positively correlated with Cd, but negatively correlated with Cu, Ni, and Zn concentrations in the gills. These measurements indicated that Cu in the Pearl River Estuary induced various biochemical responses in the oysters and influenced the susceptibility of oysters to environmental stress. The present study has provided the first evidence of antioxidant and detoxification responses in native contaminated oysters from a field environment seriously contaminated by metals. Coupling biomarkers with tissue metal concentration measurements was a promising approach to identify the metals causing biological impacts in a multimetal-contaminated estuary. Environ Toxicol Chem 2016;35:2798-2805. © 2016 SETAC.
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Affiliation(s)
- Xuan Liu
- Division of Life Science, The Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong
| | - Wen-Xiong Wang
- Division of Life Science, The Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong.
- Shenzhen Research Institute, The Hong Kong University of Science and Technology, Shenzhen, China.
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15
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Naïja A, Marchand J, Kestemont P, Haouas Z, Blust R, Chénais B, Helal AN. Mercury accumulation and its effects on molecular, physiological, and histopathological responses in the peacock blenny Salaria pavo. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:22099-22115. [PMID: 27543125 DOI: 10.1007/s11356-016-7401-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 08/04/2016] [Indexed: 06/06/2023]
Abstract
For humans, fish consumption is the major source of mercury (Hg) exposure. The aim of this study was to assess the effect of Hg in the peacock blenny Salaria pavo, a species of the family of blennies that was used as indicator of water pollution. We performed a sublethal contamination of fish to 66 μg HgCl2 L-1 during 1, 4, 10 and 15 days but Hg concentration measured in the experimental water was much lower than the nominal concentration. Hg was also measured in both gill and liver tissues and displays a significant increase of its concentration in gills after 1 day of exposure followed by a decrease throughout the experiment. In the liver, Hg burden reaches its maximum at day 4 followed also by a decrease. Partial-length cDNA of mt1, mt2, gpx, cat, mnsod and cuznsod was characterized. Results from mRNA expression levels displayed an up-regulation of mt1, gpx and mnsod while a downregulation of cat was observed. Several biomarker activities were determined in gills and liver and exposure to Hg affected all antioxidant enzymes in gills. EROD, GST and GPx significantly decreased, while CAT levels increased from 4 days of Hg exposure. No lipid peroxidation (LPO) induction was observed in gills of exposed fish. Regarding the liver, the activity of all enzymes increased significantly from the beginning of the experiment. LPO induction was, however, induced after 4 days only. The histological analysis also performed indicated that fish exhibited several damages in gills and liver, mainly in relation to circulatory disturbances in the gills and regressive changes in the liver. All biomarkers assessed showed that peacock blennies are able to detoxify Hg from gill and liver tissues by developing various defense mechanisms.
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Affiliation(s)
- Azza Naïja
- Bioressources: Integrative Biology and Valuation (BIOLIVAL), Higher Institute of Biotechnology of Monastir, Avenue Tahar Hadded, BP 74, 5000, Monastir, Tunisia
| | - Justine Marchand
- EA2160 Mer Molécules Santé, LUNAM, IUML-FR 3473 CNRS, University of Le Mans, Le Mans, France.
| | - Patrick Kestemont
- Research Unit in Environmental and Evolutionary Biology (URBE), The University of Namur (FUNDP), Rue de Bruxelles 61, B-5000, Namur, Belgium
| | - Zohra Haouas
- Research Unit of Genetic, Laboratory of Histology and Cytogenetic, Faculty of Medicine, Avenue Avicenne, 5019, Monastir, Tunisia
| | - Ronny Blust
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Benoit Chénais
- EA2160 Mer Molécules Santé, LUNAM, IUML-FR 3473 CNRS, University of Le Mans, Le Mans, France
| | - Ahmed Noureddine Helal
- Bioressources: Integrative Biology and Valuation (BIOLIVAL), Higher Institute of Biotechnology of Monastir, Avenue Tahar Hadded, BP 74, 5000, Monastir, Tunisia
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16
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Naïja A, Marchand J, Kestemont P, Haouas Z, Blust R, Chénais B, Helal AN. Biomarkers assessment in the peacock blenny Salaria pavo exposed to cadmium. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:16296-16312. [PMID: 27155832 DOI: 10.1007/s11356-016-6754-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 04/25/2016] [Indexed: 06/05/2023]
Abstract
Cadmium (Cd) is one of the most toxic metals and is widely distributed in freshwater and marine environments. It has received much attention from a toxicological perspective. The aim of this study was to assess the effect of Cd in the peacock blenny Salaria pavo, a species of the family of blennies that was used as bioindicator of water pollution. We performed a sublethal contamination of fish to 2 mg CdCl2 L(-1) during 1, 4, 10, and 15 days. Cd accumulation was measured in gills and liver and displayed a significant increase of its concentration throughout the experiment, with slightly higher levels in the liver, except after 4 days. Partial-length cDNA of mt1, mt2, mnsod, cuznsod, cat, and gpx were characterized. Results from mRNA expression levels displayed an up-regulation of mt2 and mnsod. Biomarker activities were determined in gills and liver. In gills, data displayed an inhibition of EROD and GST activities. Cd exposure significantly increased GPx activities but did not affect CAT levels throughout the experiment. No LPO induction was observed in gills of exposed fish. Regarding the liver, the activity of all enzymes and MDA levels increased significantly from the beginning of the experiment except EROD that increased after 15 days of contamination only. At the histological level, fish exhibited pathological symptoms in gills and liver with a predominance of circulatory disturbances in gills and regressive changes in the liver. Our results displayed that peacock blennies are able to survive Cd toxicity due to various physiological adaptation mechanisms.
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Affiliation(s)
- Azza Naïja
- Bioressources: Integrative Biology and Valuation (BIOLIVAL), Higher Institute of Biotechnology of Monastir, Avenue Tahar Hadded, BP 74, 5000, Monastir, Tunisia
| | - Justine Marchand
- EA2160 Mer Molécules Santé, LUNAM, IUML-FR 3473 CNRS, University of Le Mans, Le Mans, France.
| | - Patrick Kestemont
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (FUNDP), Rue de Bruxelles 61, B-5000, Namur, Belgium
| | - Zohra Haouas
- Research Unit of Genetic, Laboratory of Histology and Cytogenetic, Faculty of Medicine, Avenue Avicenne, 5019, Monastir, Tunisia
| | - Ronny Blust
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerpen, Belgium
| | - Benoit Chénais
- EA2160 Mer Molécules Santé, LUNAM, IUML-FR 3473 CNRS, University of Le Mans, Le Mans, France
| | - Ahmed Noureddine Helal
- Bioressources: Integrative Biology and Valuation (BIOLIVAL), Higher Institute of Biotechnology of Monastir, Avenue Tahar Hadded, BP 74, 5000, Monastir, Tunisia
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17
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Molecular characterization of a Se-containing glutathione peroxidases gene and its expressions to heavy metals compared with non-Se-containing glutathione peroxidases in Venerupis philippinarum. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.aggene.2016.06.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Xia L, Chen S, Dahms HU, Ying X, Peng X. Cadmium induced oxidative damage and apoptosis in the hepatopancreas of Meretrix meretrix. ECOTOXICOLOGY (LONDON, ENGLAND) 2016; 25:959-69. [PMID: 27038477 DOI: 10.1007/s10646-016-1653-7] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/28/2016] [Indexed: 05/12/2023]
Abstract
Even trace amounts of cadmium (Cd), a non-essential metal, are known to be toxic to aquatic organisms. Here we investigated the relationship between cadmium ion (Cd(2+)) exposure and oxidative damage and apoptosis in the hepatopancreas of the clam Meretrix meretrix. Clams were exposed to different concentrations of Cd(2+) (0, 1.5, 3, 6 and 12 mg L(-1)) for 5 days. We monitored both antioxidant enzyme activity, including that of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidases (GPx), and levels of malondialdehyde (MDA), glutathione (GSH) and glutathione disulfide (GSSG). Apoptosis of hepatopancreatic cells was detected by DNA laddering and AO/EB double fluorescent staining. The results show that the rate of apoptotis, MDA levels, and caspase-3 activity, increased with Cd(2+) concentration, whereas GPx activity and the ratio of GSH/GSSG, decreased. SOD and CAT enzyme activity first increased, then decreased, with increasing Cd(2+) concentration; peak activity of these enzymes was recorded in the 3 mg L(-1) Cd(2+)-treatment group. These results show that Cd-induced oxidative damage can both induce, and aggravate, apoptosis in the hepatopancreatic cells of clams, even at Cd(2+) concentrations far below the semi-lethal dose for adult clams. The observed changes in caspase-3 activity enhanced significantly at lower Cd(2+) concentrations, indicating that caspase-3 is a suitable biomarker for heavy metal pollution, especially cadmium pollution, in marine organisms.
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Affiliation(s)
- Liping Xia
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Sihan Chen
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Hans-Uwe Dahms
- Department of Biomedical Science and Environmental Kaohsiung, Medical University Biology, No. 100, Shin-Chuan 1st Road, Kaohsiung, 80708, Taiwan, ROC
| | - Xueping Ying
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, 325035, Zhejiang, People's Republic of China.
| | - Xue Peng
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, 325035, Zhejiang, People's Republic of China
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Liu X, Wang WX. Time changes in biomarker responses in two species of oyster transplanted into a metal contaminated estuary. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 544:281-290. [PMID: 26657374 DOI: 10.1016/j.scitotenv.2015.11.120] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 11/02/2015] [Accepted: 11/23/2015] [Indexed: 06/05/2023]
Abstract
The Jiulong Estuary in Southern China suffers from serious metal pollution, leading to the appearance of 'colored' oysters in this estuary. In this study, two species of oysters Crassostrea hongkongensis and Crassostrea angulata were transplanted to three sites in the Jiulong Estuary over a two-month period. The time-series changes of various biomarkers were measured, coupled with simultaneous quantification of metal bioaccumulation (Ag, Cd, Cr, Cu, Ni and Zn). Cu and Zn accumulation increased linearly and reached up to 2% and 1.5% dry tissue weight by the end of exposure. Negative correlations between the tissue Cu or Zn accumulation and catalase or superoxide dismutase activities strongly indicated that Cu and Zn in 'colored' oysters induced the adjustments of oyster antioxidant systems. Metallothionein (MT) detoxification was insufficient for sequestering all the absorbed metals and its concentrations in the oysters were suppressed following an initial increase, primarily due to the high metal accumulation in the tissues. Interestingly, gradual recoveries of lysosomal membrane stability after the initial strong inhibitions were observed in both oysters. We also documented an increasing 'watering' of oyster tissues presumably as a result of rupturing of tissue cells under metal stress. This study demonstrated the complexity of biomarker responses under field condition, therefore the time changes of biomarker responses to metals need to be considered in evaluating the biological impacts of metal pollution on estuarine organisms.
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Affiliation(s)
- Xuan Liu
- Division of Life Science, Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong
| | - Wen-Xiong Wang
- Division of Life Science, Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong.
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20
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Shi B, Xiang X, Ke Y, Zhou L, Ke C. Abcb1 gene expression pattern and function of copper detoxification in Fujian oyster, Crassostrea angulata. Comp Biochem Physiol B Biochem Mol Biol 2015; 190:8-15. [DOI: 10.1016/j.cbpb.2015.08.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2015] [Revised: 08/17/2015] [Accepted: 08/18/2015] [Indexed: 12/23/2022]
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21
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Karray S, Tastard E, Moreau B, Delahaut L, Geffard A, Guillon E, Denis F, Hamza-Chaffai A, Chénais B, Marchand J. Transcriptional response of stress-regulated genes to industrial effluent exposure in the cockle Cerastoderma glaucum. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:17303-17316. [PMID: 25613800 DOI: 10.1007/s11356-015-4108-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 01/11/2015] [Indexed: 06/04/2023]
Abstract
This study assessed the responses of molecular biomarkers and heavy metal levels in Cerastoderma glaucum exposed for 1 week to two industrial effluents (1%) discharged into the Tunisian coastal area, F1 and F2, produced by different units of production of a phosphate treatment plant. A significant uptake of metals (Cd, Cu, Zn, and Ni) was observed in exposed cockles compared to controls, with an uptake higher for F1 than for F2. A decrease in LT50 (stress on stress test) was also observed after an exposure to the effluent F1. Treatments resulted in different patterns of messenger RNA (mRNA) expression of the different genes tested in this report. Gene transcription monitoring performed on seven genes potentially involved in the tolerance to metal exposure showed that for both exposures, mechanisms are rapidly and synchronically settled down to prevent damage to cellular components, by (1) handling and exporting out metal ions through the up-regulation of ATP-binding cassette xenobiotic transporter (ABCB1) and metallothionein (MT), (2) increasing the mRNA expression of antioxidant enzymes (catalase (CAT), superoxide dismutases, CuZnSOD and MnSOD), (3) protecting and/or repairing proteins through the expression of heat shock protein 70 (HSP70) mRNAs, and (4) increasing ATP production (through the up-regulation of cytochrome c oxidase 1 (CO1)) to provide energy for cells to tolerate stress exposure. The tools developed may be useful both for future control strategies and for the use of the cockle C. glaucum as a sentinel species.
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Affiliation(s)
- Sahar Karray
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
- Laboratoire d'Ecotoxicologie Marine et Environnementale, Université de Sfax, Sfax, Tunisia
| | - Emmanuelle Tastard
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
| | - Brigitte Moreau
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
| | - Laurence Delahaut
- UMR-I 02 Stress Environnementaux et Biosurveillance des Milieux aquatiques (SEBIO), Université de Reims Champagne-Ardenne, Moulin de la Housse, BP 1039, 51687, Reims Cedex 2, France
| | - Alain Geffard
- UMR-I 02 Stress Environnementaux et Biosurveillance des Milieux aquatiques (SEBIO), Université de Reims Champagne-Ardenne, Moulin de la Housse, BP 1039, 51687, Reims Cedex 2, France
| | - Emmanuel Guillon
- UMR 7312 CNRS-URCA Institut de Chimie Moléculaire de Reims (ICMR) Groupe Chimie de Coordination, Université de Reims Champagne-Ardenne, Moulin de la Housse, BP 1039, 51687, Reims Cedex 2, France
| | - Françoise Denis
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
- UMR 7208 CNRS-MNHN-IRD-UPMC, Biologie des Organismes et des Ecosystèmes Aquatiques (BOREA), Concarneau, France
| | - Amel Hamza-Chaffai
- Laboratoire d'Ecotoxicologie Marine et Environnementale, Université de Sfax, Sfax, Tunisia
| | - Benoît Chénais
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
| | - Justine Marchand
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France.
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22
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Cao DJ, Xie PP, Deng JW, Zhang HM, Ma RX, Liu C, Liu RJ, Liang YG, Li H, Shi XD. Effects of Cu(2+) and Zn(2+) on growth and physiological characteristics of green algae, Cladophora. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:16535-16541. [PMID: 26077320 DOI: 10.1007/s11356-015-4847-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Accepted: 06/04/2015] [Indexed: 06/04/2023]
Abstract
Effects of various concentrations of Cu(2+) and Zn(2+) (0.0, 0.1, 0.25, 0.5, or 1.0 mg/L) on the growth, malondialdehyde (MDA), the intracellular calcium, and physiological characteristics of green algae, Cladophora, were investigated. Low Zn(2+) concentrations accelerated the growth of Cladophora, whereas Zn(2+) concentration increases to 0.25 mg/L inhibited its growth. Cu(2+) greatly influences Cladophora growth. The photosynthesis of Cladophora decreased under Zn(2+) and Cu(2+) stress. Cu(2+) and Zn(2+) treatment affected the content of total soluble sugar in Cladophora and has small increases in its protein content. Zn(2+) induced the intracellular calcium release, and copper induced the intracellular calcium increases in Cladophora. Exposure to Cu(2+) and Zn(2+) induces MDA in Cladophora. The stress concent of Cu(2+) was strictly correlated with the total soluble sugar content, Chla+Chlb, and MDA in Cladophora, and the stress concent of Zn(2+) was strictly correlated with the relative growth rate (RGR) and MDA of Cladophora.
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Affiliation(s)
- De-ju Cao
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China.
| | - Pan-pan Xie
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China
| | - Juan-wei Deng
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China
| | - Hui-min Zhang
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China
| | - Ru-xiao Ma
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China
| | - Cheng Liu
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China
| | - Ren-jing Liu
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China
| | - Yue-gan Liang
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China
| | - Hao Li
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China
| | - Xiao-dong Shi
- School of Resource and Environment, Anhui Agricultural University, Hefei, 230036, People's Republic of China
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23
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Ji C, Cao L, Li F. Toxicological evaluation of two pedigrees of clam Ruditapes philippinarum as bioindicators of heavy metal contaminants using metabolomics. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2015; 39:545-554. [PMID: 25681705 DOI: 10.1016/j.etap.2015.01.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 01/05/2015] [Accepted: 01/10/2015] [Indexed: 06/04/2023]
Abstract
Heavy metal pollution has been of great concern in the Bohai marine environment. Manila clam Ruditapes philippinarum has been used as a bioindicator in marine toxicology. In this study, NMR-based metabolomics was used to ascertain whether there were significant biological differences between two dominant pedigrees (White and Zebra) of clam and evaluate the suitability of two pedigrees for marine environmental toxicology, together with antioxidant enzymatic analysis. Our results indicated that there were significant biological differences between White and Zebra clams based on the metabolic profiles and antioxidant enzyme activities. In details, the metabolic profiles showed higher levels of amino acids and succinate in Zebra clam digestive glands and higher levels of ATP in White clam digestive glands, respectively. The superoxide dismutase activities in control White and Zebra clam samples were significantly different. Additionally, White clam was more sensitive to Cd based on the significant accumulation of Cd, antioxidant enzymatic alterations and sensitive metabolic changes. Overall, we concluded that White clam could be a preferable bioindicator for marine environmental toxicology.
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Affiliation(s)
- Chenglong Ji
- Key Laboratory of Coastal Zone Environmental Processes, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Provincial Key Laboratory of Coastal Zone Environmental Processes, YICCAS, Yantai 264003, PR China
| | - Lulu Cao
- Key Laboratory of Coastal Zone Environmental Processes, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Provincial Key Laboratory of Coastal Zone Environmental Processes, YICCAS, Yantai 264003, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Fei Li
- Key Laboratory of Coastal Zone Environmental Processes, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Provincial Key Laboratory of Coastal Zone Environmental Processes, YICCAS, Yantai 264003, PR China.
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24
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Sun Z, Wang L, Zhang T, Zhou Z, Jiang Q, Yi Q, Yang C, Qiu L, Song L. The immunomodulation of inducible hydrogen sulfide in Pacific oyster Crassostrea gigas. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2014; 46:530-536. [PMID: 24699445 DOI: 10.1016/j.dci.2014.03.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 03/19/2014] [Accepted: 03/19/2014] [Indexed: 06/03/2023]
Abstract
Hydrogen sulfide (H2S) is an important gasotransmitter, which plays indispensable roles in cardiovascular, nervous and immune systems of vertebrates. However, the information about the immunomodulation of H2S in invertebrates is still very limited. In the present study, the temporal expression profile of cystathionine γ lyase in oyster Crassostrea gigas (CgCSE) was investigated after the oysters were stimulated by lipopolysaccharide. The expression levels of CgCSE mRNA transcripts in hemocytes increased significantly at 12h (1.31-fold of the PBS group, P<0.05) after LPS stimulation. The immunomodulation of inducible H2S in oyster was examined by monitoring the alterations of both cellular and humoral immune parameters in response to the stimulations of LPS, LPS+Na2S and LPS+propargylglycine (PAG). The total hemocyte counts (THC) and hemolymph PO activity increased significantly after LPS stimulation, and the increase could be further enhanced by adding PAG, while inhibited by appending Na2S. The phagocytosis activity of hemocytes was also increased firstly after LPS treatment, and the increase was enhanced by adding Na2S but inhibited after appending PAG. The anti-bacterial activity in hemolymph increased at 3h post LPS treatment, and then decreased after adding PAG. The total SOD activity of hemolymph was also elevated at 6h post LPS treatment, and the elevated activity was depressed by adding Na2S. These results collectively indicated that H2S might play crucial roles in the immune response of oyster via modulating the turnover and phagocytosis of hemocytes, and regulating the anti-bacterial activity and proPO activation in the hemolymph.
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Affiliation(s)
- Zhibin Sun
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Lingling Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Tao Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhi Zhou
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Qiufen Jiang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qilin Yi
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chuanyan Yang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Limei Qiu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Linsheng Song
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
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25
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Trevisan R, Delapedra G, Mello DF, Arl M, Schmidt ÉC, Meder F, Monopoli M, Cargnin-Ferreira E, Bouzon ZL, Fisher AS, Sheehan D, Dafre AL. Gills are an initial target of zinc oxide nanoparticles in oysters Crassostrea gigas, leading to mitochondrial disruption and oxidative stress. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 153:27-38. [PMID: 24745718 DOI: 10.1016/j.aquatox.2014.03.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Revised: 03/19/2014] [Accepted: 03/20/2014] [Indexed: 06/03/2023]
Abstract
The increasing industrial use of nanomaterials during the last decades poses a potential threat to the environment and in particular to organisms living in the aquatic environment. In the present study, the toxicity of zinc oxide nanoparticles (ZnONP) was investigated in Pacific oysters Crassostrea gigas. The nanoscale of ZnONP, in vehicle or ultrapure water, was confirmed, presenting an average size ranging from 28 to 88 nm. In seawater, aggregation was detected by TEM and DLS analysis, with an increased average size ranging from 1 to 2 μm. Soluble or nanoparticulated zinc presented similar toxicity, displaying a LC50 (96 h) around 30 mg/L. High zinc dissociation from ZnONP, releasing ionic zinc in seawater, is a potential route for zinc assimilation and ZnONP toxicity. To investigate mechanisms of toxicity, oysters were treated with 4 mg/L ZnONP for 6, 24 or 48 h. ZnONP accumulated in gills (24 and 48 h) and digestive glands (48 h). Ultrastructural analysis of gills revealed electron-dense vesicles near the cell membrane and loss of mitochondrial cristae (6 h). Swollen mitochondria and a more conspicuous loss of mitochondrial cristae were observed after 24 h. Mitochondria with disrupted membranes and an increased number of cytosolic vesicles displaying electron-dense material were observed 48 h post exposure. Digestive gland showed similar changes, but these were delayed relative to gills. ZnONP exposure did not greatly affect thiol homeostasis (reduced and oxidized glutathione) or immunological parameters (phagocytosis, hemocyte viability and activation and total hemocyte count). At 24 h post exposure, decreased (-29%) glutathione reductase (GR) activity was observed in gills, but other biochemical responses were observed only after 48 h of exposure: lower GR activity (-28%) and levels of protein thiols (-21%), increased index of lipid peroxidation (+49%) and GPx activity (+26%). In accordance with ultrastructural changes and zinc load, digestive gland showed delayed biochemical responses. Except for a decreased GR activity (-47%) at 48 h post exposure, the biochemical alterations seen in gills were not present in digestive gland. The results indicate that gills are able to incorporate zinc prior (24 h) to digestive gland (48 h), leading to earlier mitochondrial disruption and oxidative stress. Our data suggest that gills are the initial target of ZnONP and that mitochondria are organelles particularly susceptible to ZnONP in C. gigas.
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Affiliation(s)
- Rafael Trevisan
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Gabriel Delapedra
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Danielle F Mello
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Miriam Arl
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Éder C Schmidt
- Department of Cell Biology, Embryology and Genetic, Federal University of Santa Catarina, 88049-900 Florianópolis, SC, Brazil
| | - Fabian Meder
- Centre for Bionano Interactions, University College Dublin, Dublin, Ireland
| | - Marco Monopoli
- Centre for Bionano Interactions, University College Dublin, Dublin, Ireland
| | - Eduardo Cargnin-Ferreira
- Federal Institute of Santa Catarina, Campus Garopaba, Laboratory of Histological Markers, 88495-000 Garopaba, SC, Brazil
| | - Zenilda L Bouzon
- Department of Cell Biology, Embryology and Genetic, Federal University of Santa Catarina, 88049-900 Florianópolis, SC, Brazil
| | - Andrew S Fisher
- School of Geography, Earth and Environmental Sciences, University of Plymouth, PL4 8AA Plymouth, United Kingdom
| | - David Sheehan
- Department of Biochemistry, University College Cork, Cork, Ireland
| | - Alcir L Dafre
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil.
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26
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Srikanth K, Pereira E, Duarte AC, Ahmad I. Glutathione and its dependent enzymes' modulatory responses to toxic metals and metalloids in fish--a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2013; 20:2133-2149. [PMID: 23334549 DOI: 10.1007/s11356-012-1459-y] [Citation(s) in RCA: 120] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2012] [Accepted: 12/27/2012] [Indexed: 06/01/2023]
Abstract
Toxic metals and metalloid are being rapidly added from multiple pathways to aquatic ecosystem and causing severe threats to inhabiting fauna including fish. Being common in all the type of aquatic ecosystems such as freshwater, marine and brackish water fish are the first to get prone to toxic metals and metalloids. In addition to a number of physiological/biochemical alterations, toxic metals and metalloids cause enhanced generation of varied reactive oxygen species (ROS) ultimately leading to a situation called oxidative stress. However, as an important component of antioxidant defence system in fish, the tripeptide glutathione (GSH) directly or indirectly regulates the scavenging of ROS and their reaction products. Additionally, several other GSH-associated enzymes such as GSH reductase (GR, EC 1.6.4.2), GSH peroxidase (EC 1.11.1.9), and GSH sulfotransferase (glutathione-S-transferase (GST), EC 2.5.1.18) cumulatively protect fish against ROS and their reaction products accrued anomalies under toxic metals and metalloids stress conditions. The current review highlights recent research findings on the modulation of GSH, its redox couple (reduced glutathione/oxidised glutathione), and other GSH-related enzymes (GR, glutathione peroxidase, GST) involved in the detoxification of harmful ROS and their reaction products in toxic metals and metalloids-exposed fish.
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Affiliation(s)
- K Srikanth
- Department of Chemistry, Centre for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
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