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Shi W, Cao Y, Chai X, Zhao Q, Geng Y, Liu D, Tian S. Potential health risks of the interaction of microplastics and lung surfactant. JOURNAL OF HAZARDOUS MATERIALS 2022; 429:128109. [PMID: 35236033 DOI: 10.1016/j.jhazmat.2021.128109] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 12/13/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Microplastics (MPs), as pollutants of environmental concern, are correlated with increased risk of various respiratory diseases. Nevertheless, whether or not MPs have adverse influences on the interfacial properties of lung surfactant (LS), and its effect on the generation of reactive oxygen species are poorly understood. In the present study, natural LS extracted from porcine lungs was used to investigate the interaction with polystyrene as a representative MPs. The results showed that the phase behavior, surface tension, and membrane structure of the LS were altered in the presence of polystyrene. Adsorption experiments demonstrated that in the mixed system of polystyrene and LS (the main active ingredients are phospholipids and proteins), adsorption of phospholipid components by polystyrene was notably higher than that of proteins. Moreover, polystyrene can accelerate the conversion between ascorbic acid and deoxyascorbic acid, thereby producing hydrogen peroxide (HOOH) in simulated lung fluid (containing LS) and further giving rise to an increase in the content of hydroxyl radicals (•OH). This work provides new insight into the potential hazard of MPs in human respiratory system, which is helpful for deeply understanding the unfavorable physicochemical effects of MPs exposure and the role of inhaled MPs on lung health.
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Affiliation(s)
- Weimeng Shi
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Yan Cao
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Xiaolong Chai
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Qun Zhao
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China.
| | - Yingxue Geng
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Dan Liu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Senlin Tian
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China.
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102
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Li Y, Liu Z, Jiang Q, Ye Y, Zhao Y. Effects of nanoplastic on cell apoptosis and ion regulation in the gills of Macrobrachium nipponense. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 300:118989. [PMID: 35157932 DOI: 10.1016/j.envpol.2022.118989] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 01/24/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
Nanoplastic, ubiquitous in aquatic environments, are raising concern worldwide. However, studies on nanoplastic exposure and its effects on ion transport in aquatic organisms are limited. In this study, the juvenile oriental river shrimp, Macrobrachium nipponense, was exposed to five levels of nanoplastic concentrations (0, 5, 10, 20, 40 mg/L) in order to evaluate cell viability, ion content, ion transport, ATPase activity, and related gene expression. The results showed that the apoptosis rate was higher in the high concentration nanoplastic group (40 mg/L) compared to the low concentration nanoplastic group (5 mg/L) and the control group (0 mg/L). The ion content of sodium (Na+), potassium (K+), chloride (Cl-), and calcium (Ca2+) showed a decreasing trend in gill tissue compared to the control group. The Na+K+-ATPase, V(H)-ATPase, Ca2+Mg2+-ATPase, and total ATPase activities in the gills of M. nipponense showed a general decrease with the increasement of nanoplastic concentration and time of exposure. When increasing nanoplastic concentration, the expression of ion transport-related genes in the gills of M. nipponense showed first rise then descend trend. As elucidated by the results, high nanoplastic concentrations have negative effect on cell viability, ion content, ion transport ATPase activity, and ion transport-related gene expression in the gills of M. nipponense. This research provides a theoretical foundation for the toxic effects of nanoplastic in aquaculture.
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Affiliation(s)
- Yiming Li
- School of Life Science, East China Normal University, Shanghai, 200241, China
| | - Zhiquan Liu
- School of Life and Environmental Sciences, Hangzhou Normal University, 310018, Hangzhou, Zhejiang, China
| | - Qichen Jiang
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - Yucong Ye
- School of Life Science, East China Normal University, Shanghai, 200241, China
| | - Yunlong Zhao
- School of Life Science, East China Normal University, Shanghai, 200241, China; State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, 200241, China.
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103
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Amino-Functionalized Polystyrene Nano-Plastics Induce Mitochondria Damage in Human Umbilical Vein Endothelial Cells. TOXICS 2022; 10:toxics10050215. [PMID: 35622629 PMCID: PMC9145670 DOI: 10.3390/toxics10050215] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/21/2022] [Accepted: 04/22/2022] [Indexed: 11/16/2022]
Abstract
As emerging contaminants, nano-plastics have become a major cause for concern for their adverse effects on the ecosystem and human health. The nano-sized properties of nano-plastics enable their exposure risks to humans through the food chain or other ways. However, the fate and adverse impact of nano-plastics on the human cardiovascular system are lacking. In this regard, the human umbilical vein endothelial cell line HUVEC was applied as a cell model to investigate the biological effects of noncharged polystyrene nano-plastics (PS NPs) and amino-functionalized nano-plastics (NH2-PS NPs). The positively charged PS NPs exhibited higher cytotoxicity to HUVEC, as evidenced by the decreased cell viability, enhanced ROS generation, and decreased mitochondria membrane potential triggered by NH2-PS NPs. Importantly, RT-PCR analysis revealed that NH2-PS NPs dysregulated the mitochondrial dynamics, replication, and function-related gene expression. This study demonstrated that NH2-PS NPs presented higher risks to endothelial cells than non-charged nano-plastics by interfering with mitochondria, which supported the direct evidence and expanded the potential risks of PS NPs.
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104
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Han Y, Lian F, Xiao Z, Gu S, Cao X, Wang Z, Xing B. Potential toxicity of nanoplastics to fish and aquatic invertebrates: Current understanding, mechanistic interpretation, and meta-analysis. JOURNAL OF HAZARDOUS MATERIALS 2022; 427:127870. [PMID: 34848066 DOI: 10.1016/j.jhazmat.2021.127870] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 05/25/2023]
Abstract
Nanoplastics (NPs) are widely detected in aquatic ecosystems and attracting considerable attention. Although ecotoxicological impacts of NPs on aquatic biota are increasingly identified, the extent and magnitude of these detrimental effects on fish and aquatic invertebrates still lack systematic quantification and mechanistic interpretation. Here, the toxicity, influencing factors, and related mechanisms of NPs to fish and aquatic invertebrates are critically reviewed and summarized based on a total of 634 biological endpoints through a meta-analysis, where five vital response categories including growth, consumption, reproduction, survival, and behavior were emphasized to elucidate the negative impacts of NPs to fish and aquatic invertebrates from physiological to molecular levels. Our results revealed that NPs significantly decreased the survival, behavior, and reproduction of fish and/or aquatic invertebrates by 56.1%, 24.2%, and 36.0%, respectively. NPs exposure increased the oxidative stress and oxidative damage by 72.0% and 9.6%, respectively; while significantly decreased antioxidant prevention system and neurotransmission by 24.4% and 15.9%, respectively. Also, the effects of particle size, functional group, and concentration range of NPs on the physiological and biochemical reactions in the living organisms were discussed. This information is helpful to more accurately understanding the underlying toxic mechanisms of NPs to aquatic biota and guiding future studies.
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Affiliation(s)
- Yaru Han
- Institute of Environmental Processes and Pollution Control and School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Fei Lian
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China.
| | - Zhenggao Xiao
- Institute of Environmental Processes and Pollution Control and School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Shiguo Gu
- Institute of Environmental Processes and Pollution Control and School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Xuesong Cao
- Institute of Environmental Processes and Pollution Control and School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Zhenyu Wang
- Institute of Environmental Processes and Pollution Control and School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China.
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, United States
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105
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Fu L, Xi M, Nicholaus R, Wang Z, Wang X, Kong F, Yu Z. Behaviors and biochemical responses of macroinvertebrate Corbicula fluminea to polystyrene microplastics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 813:152617. [PMID: 34963588 DOI: 10.1016/j.scitotenv.2021.152617] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/18/2021] [Accepted: 12/19/2021] [Indexed: 06/14/2023]
Abstract
Microplastic, a well-documented emerging contaminant, is widespread in aquatic environments resulting from the production and fragmentation of large plastics items. The knowledge about the chronic toxic effects and behavioral toxicity of microplastics, particularly on freshwater benthic macroinvertebrates, is limited. In this study, adult Asian clams (Corbicula fluminea) were exposed to gradient microplastic solutions for 42 days to evaluate behavioral toxicity and chronic biotoxicity. The results showed that microplastics caused behavior toxicity, oxidative stress, and tissue damage in high-concentration treatments. Siphoning, breathing, and excretion was significantly inhibited (p < 0.05) at high-concentration treatments, suggesting that high-concentration microplastics induced behavioral toxicity in C. fluminea. Malondialdehyde content, superoxide dismutase, catalase, and glutathione reductase activities were significantly enhanced (p < 0.05) and the acetylcholinesterase was significantly inhibited (p < 0.05) throughout the exposure period in high-concentration treatments. Enzymes associated with energy supply were significantly higher at high-concentration microplastics treatments on D7 and D21. However, they recovered to a normal level on D42. The instability of the enzymes indicated that high-concentration microplastics induced oxidative stress and disorder in neurotransmission and energy supply. The gills of C. fluminea in treatments underwent cilia degeneration, which indicated that microplastics caused tissue damage in the gills. The analysis of integrated biomarker response values revealed that high-concentration microplastics led to long-term effects on the health of C. fluminea. In conclusion, continuous exposure to microplastics (10 mg L-1) would damage physical behavior and the antioxidant system of C. fluminea.
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Affiliation(s)
- Lingtao Fu
- College of Environmental Sciences and Engineering, Qingdao University, Qingdao 266071, China
| | - Min Xi
- College of Environmental Sciences and Engineering, Qingdao University, Qingdao 266071, China
| | - Regan Nicholaus
- Department of Natural Sciences, Mbeya University of Science and Technology, Mbeya, Tanzania
| | - Zhen Wang
- College of Environmental Sciences and Engineering, Qingdao University, Qingdao 266071, China
| | - Xin Wang
- College of Environmental Sciences and Engineering, Qingdao University, Qingdao 266071, China
| | - Fanlong Kong
- College of Environmental Sciences and Engineering, Qingdao University, Qingdao 266071, China.
| | - Zhengda Yu
- College of Environmental Sciences and Engineering, Qingdao University, Qingdao 266071, China.
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106
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Zhang P, Wang Y, Zhao X, Ji Y, Mei R, Fu L, Man M, Ma J, Wang X, Chen L. Surface-enhanced Raman scattering labeled nanoplastic models for reliable bio-nano interaction investigations. JOURNAL OF HAZARDOUS MATERIALS 2022; 425:127959. [PMID: 34891014 DOI: 10.1016/j.jhazmat.2021.127959] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/27/2021] [Accepted: 11/28/2021] [Indexed: 06/13/2023]
Abstract
Nanoplastics (NPs) have attracted great attention as an emerging pollution. To date, their interaction with biological systems has been studied mostly by using fluorescent-labeled NPs, which suffered from serious drawbacks such as biological autofluorescence interference and false-positive results. Reliable optically labeled NP models are eagerly desired until now. Herein, a novel near-infrared (NIR) surface-enhanced Raman scattering (SERS) labeled NP model was proposed, which gained single-particle ultra-sensitivity, deep tissue detection, multiplex labeling ability, and anti-interference property. More importantly, the NP demonstrated satisfactory in vivo signal stability which completely prevented the positive-false problems. The advantages of the NPs enabled direct, dynamic in vivo behavior imaging study in living zebrafish embryo, adult zebrafish and green vegetable Brassica rapa. It was found for the first time that NPs entered blood circulation system of zebrafish larva via dermal uptake route, which only occurred in a short 48 h-window post-hatch. NPs widely distributed in roots, shoots and leaves of Brassica rapa seedlings germinating and growing in the NP-containing hydroponic culture. Different depths of one root showed varied adsorption capabilities towards NPs with fulvic acid, lipid and sodium dodecyl sulfate eco-coronas. This work provided an ideal tool for reliable bio-NP interaction study for a variety of organisms, which could promote the research of NPs.
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Affiliation(s)
- Panpan Zhang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yunqing Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China.
| | - Xizhen Zhao
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Yunxia Ji
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Rongchao Mei
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Longwen Fu
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Mingsan Man
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Jiping Ma
- School of Environmental & Municipal Engineering, State-Local Joint Engineering Research Center of Urban Sewage Treatment and Resource Recovery, Qingdao University of Technology, Qingdao 266033, China
| | - Xiaoyan Wang
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Lingxin Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China.
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107
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Zhang T, Jiang B, Xing Y, Ya H, Lv M, Wang X. Current status of microplastics pollution in the aquatic environment, interaction with other pollutants, and effects on aquatic organisms. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:16830-16859. [PMID: 35001283 DOI: 10.1007/s11356-022-18504-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 12/31/2021] [Indexed: 06/14/2023]
Abstract
Microplastics, as emerging pollutants, have received great attention in the past few decades due to its adverse effects on the environment. Microplastics are ubiquitous in the atmosphere, soil, and water bodies, and mostly reported in aqueous environment. This paper summarizes the abundance and types of microplastics in different aqueous environments and discusses the interactions of microplastics with other contaminants such as polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), antibiotics, and heavy metals. The toxicity of microplastics to aquatic organisms and microorganisms is addressed. Particularly, the combined toxic effects of microplastics and other pollutants are discussed, demonstrating either synergetic or antagonistic effects. Future prospectives should be focused on the characterization of different types and shapes of microplastics, the standardization of microplastic units, exploring the interaction and toxicity of microplastics with other pollutants, and the degradation of microplastics, for a better understanding of the ecological risks of microplastics.
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Affiliation(s)
- Tian Zhang
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Bo Jiang
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- National Engineering Laboratory for Site Remediation Technologies, Beijing, 100015, People's Republic of China
| | - Yi Xing
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Haobo Ya
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Mingjie Lv
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Xin Wang
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
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108
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Du J, Qv W, Niu Y, Qv M, Jin K, Xie J, Li Z. Nanoplastic pollution inhibits stream leaf decomposition through modulating microbial metabolic activity and fungal community structure. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127392. [PMID: 34879582 DOI: 10.1016/j.jhazmat.2021.127392] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 06/13/2023]
Abstract
Many studies have proved the impacts of nanoplastic pollution in freshwaters on aquatic organisms and ecosystems. To explore toxic mechanisms of nanoplastics on stream functioning, we conducted a microcosm experiment to investigate the effects of polystyrene nanoparticles (PS NPs, 1-100 μg L-1) on the process of leaf litter decomposition mediated by the microbial community. The chronic exposure to PS NPs at 1 and 100 μg L-1 caused significant decreases in leaf litter decomposition and nutrient (carbon and nitrogen) releases. During the ecological process, some extracellular enzymes (i.e., β-glucosidase, glycine-aminopeptidase, and phenol oxidase) rather than fungal biomass were suppressed. Besides, decreases in the relative abundance of Anguillospora and Setophaeosphaeria weakened their functions in leaf litter decomposition. Thus, the microcosm experiment showed that PS NPs inhibited stream leaf decomposition by modulating the microbial metabolic activity and fungal community structure. Overall, the results of this study provide evidence for the consequences of nanoplastic pollution on freshwater microbial community and stream ecosystem functioning, which is conducive to evaluate the potential risks of nanoplastics in aquatic environments.
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Affiliation(s)
- Jingjing Du
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, China; Key Laboratory of Pollution Treatment and Resource, China National Light Industry, Zhengzhou, China; Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Henan Province, China.
| | - Wenrui Qv
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Yulong Niu
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Mingxiang Qv
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Kai Jin
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Jinyou Xie
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Zehong Li
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, China
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109
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Li Z, Chang X, Hu M, Fang JKH, Sokolova IM, Huang W, Xu EG, Wang Y. Is microplastic an oxidative stressor? Evidence from a meta-analysis on bivalves. JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127211. [PMID: 34844346 DOI: 10.1016/j.jhazmat.2021.127211] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 08/27/2021] [Accepted: 09/09/2021] [Indexed: 06/13/2023]
Abstract
Microplastic pollution is a major threat to the marine environment attracting attention from scientific and public communities. Although we have sufficient evidence that microplastic is ubiquitous in all ecosystems, the question of the harmfulness of microplastic exposure is still under debate. Filter feeders like bivalves are commonly exposed to microplastics in water and sediments and thus can serve as excellent biological indicators for microplastic pollution. A relatively rich toxicological literature has been focusing on microplastic effects on bivalves but we have yet to reach an agreement on the toxic effects and mechanisms of microplastics. Here, we conducted a meta-analysis and bibliometrics analysis of the microplastic studies in bivalves. The bibliometric analysis (used to evaluate the general research trends) showed that the investigation of microplastic distribution in the marine environment and the molecular mechanisms of microplastic toxicity are the two major hot spots of research. Based on analyses of ecologically and environmentally relevant microplastics concentrations, particle sizes and polymer types, we discuss the physiological effects of microplastics on bivalves, and the severity and direction of the effects at the cellular, tissue, organ and organismal levels. The meta-analysis results show that microplastics can induce time-dependent oxidative stress in bivalves. Generally, the activities of antioxidant enzymes, such as glutathione peroxidase (GPx), glutathione-S-transferase (GST) and superoxide dismutase (SOD) increased during short-term exposure but declined after long-term exposure to microplastics. Non-linear response of GPx, GST and SOD enzymes to MP exposure over time indicate that these enzymes are not good biomarkers of MPs effects in marine bivalves. The tissue glutathione levels and catalase (CAT activity) showed an increase during both short- and long term MP exposures and thus can be used as oxidative stress biomarkers of sublethal MPs effects in marine bivalves.
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Affiliation(s)
- Zhuoqing Li
- International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai 201306, China; Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China
| | - Xueqing Chang
- International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai 201306, China
| | - Menghong Hu
- International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
| | - James Kar-Hei Fang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong Special Administrative Region; Food Safety and Technology Research Centre, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong Special Administrative Region
| | - Inna M Sokolova
- Department of Marine Biology, Institute for Biological Sciences, University of Rostock, Rostock, Germany
| | - Wei Huang
- Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China; Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China
| | - Elvis Genbo Xu
- Department of Biology, University of Southern Denmark, Odense M 5230, Denmark
| | - Youji Wang
- International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai 201306, China; Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
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110
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Liu J, Xu D, Chen Y, Zhao C, Liu L, Gu Y, Ren Y, Xia B. Adverse effects of dietary virgin (nano)microplastics on growth performance, immune response, and resistance to ammonia stress and pathogen challenge in juvenile sea cucumber Apostichopus japonicus (Selenka). JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127038. [PMID: 34481388 DOI: 10.1016/j.jhazmat.2021.127038] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/17/2021] [Accepted: 08/24/2021] [Indexed: 06/13/2023]
Abstract
It has been well documented that micro- and nanoplastics are emerging pollutants in aquatic environments, and their potential toxic effects has attracted widespread concerns. Here, we evaluated the adverse effects of dietary polystyrene nanoplastics and microplastics (PS-N/MPs) on growth performance, oxidative stress induction, immune response, ammonia detoxification, and bacterial pathogen resistance of sea cucumber Apostichopus japonicus. After collection and acclimation, sea cucumbers were randomized into 3 groups (i.e., control, 100 nm PS-NPs and 20 µm PS-MPs at 100 mg kg-1 diet) for 60-day feeding experiment. Every group contained 360 sea cucumbers which were equally divided into 3 aquaria as biological triplicates. The results showed that the specific growth rate and final weight of the sea cucumbers fed with diets containing PS-N/MPs were significantly lower than those of control group. Dietary virgin PS-N/MPs significantly increased the reactive oxygen species production and malondialdehyde content in coelomic fluid, causing oxidative stress and damage to the growth and development of A. japonicus. During the experiment, 100 nm PS-NPs significantly induced the depletion in cellular and humoral immune parameters. The calculated IBR values based on multi-level biomarkers revealed the size-dependent toxic differences of PS-NPs > PS-MPs. The relative expression levels of GDH and GS mRNA showed first rise and then fall trends after exposure to ammonia, and 100 nm PS-NPs had a more profound impact on suppressing ammonia detoxification compared with 20 µm PS-MPs. Moreover, the expression of Hsp90, Hsp70, CL, TLR, and CASP2 genes were all down-regulated by ammonia exposure. Taken together of IBR results, ammonia stress test and pathogen challenge, we deduced that dietary 100 nm PS-NPs are more potentially hazardous than 20 µm PS-MPs. These findings provide valuable information for understanding the size-dependent toxic effects of PS-N/MPs and early risk warning on marine invertebrates.
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Affiliation(s)
- Ji Liu
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province 266109, China
| | - Dongxue Xu
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province 266109, China
| | - Yanru Chen
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province 266109, China
| | - Chunyan Zhao
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province 266109, China
| | - Lanhao Liu
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province 266109, China.
| | - Yuanxue Gu
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province 266109, China
| | - Yichao Ren
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province 266109, China
| | - Bin Xia
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province 266109, China.
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111
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Meng X, Zhang J, Wang W, Gonzalez-Gil G, Vrouwenvelder JS, Li Z. Effects of nano- and microplastics on kidney: Physicochemical properties, bioaccumulation, oxidative stress and immunoreaction. CHEMOSPHERE 2022; 288:132631. [PMID: 34688716 DOI: 10.1016/j.chemosphere.2021.132631] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/11/2021] [Accepted: 10/19/2021] [Indexed: 05/20/2023]
Abstract
The potential toxicity of nanoplastics (NPs) and microplastics (MPs) has raised concerns. However, knowledge of the effects of NPs/MPs on the health of mammals is still limited. Here we investigated the alteration of the physicochemical properties of polystyrene NPs (PS-NPs: 50 nm) and MPs (PS-MPs: 300 nm, 600 nm, 4 μm) in the gastrointestinal tract. Moreover, we investigated the uptake and bioaccumulation and the toxic effects of these plastic particles in the kidneys of mice. The results revealed that their digestion promoted the aggregation of PS-NPs and PS-MPs and increased the Zeta-potential value. Both PS-NPs and PS-MPs bioaccumulated in the kidneys, and the aggregation of 600 nm PS-MPs exacerbated their biotoxicity. The PS-NPs and PS-MPs caused mice weight loss, increased their death rate, significantly alternated several biomarkers, and resulted in histological damage of the kidney. We also found that exposure to PS-NPs and PS-MPs induced oxidative stress and the development of inflammation. These findings provide new insights into the toxic effects of NPs and MPs on mice.
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Affiliation(s)
- Xuemei Meng
- College of Food Science and Engineering, Northwest A&F University, Shaanxi, Yangling, 712100, PR China.
| | - Jiawei Zhang
- College of Food Science and Engineering, Northwest A&F University, Shaanxi, Yangling, 712100, PR China.
| | - Wenjing Wang
- College of Food Science and Engineering, Northwest A&F University, Shaanxi, Yangling, 712100, PR China.
| | - Graciela Gonzalez-Gil
- Division of Biological and Environmental Science and Engineering (BESE), Water Desalination and Reuse Center (WDRC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.
| | - Johannes S Vrouwenvelder
- Division of Biological and Environmental Science and Engineering (BESE), Water Desalination and Reuse Center (WDRC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.
| | - Zhenyu Li
- College of Food Science and Engineering, Northwest A&F University, Shaanxi, Yangling, 712100, PR China.
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112
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Bringer A, Cachot J, Dubillot E, Prunier G, Huet V, Clérandeau C, Evin L, Thomas H. Intergenerational effects of environmentally-aged microplastics on the Crassostrea gigas. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 294:118600. [PMID: 34863892 DOI: 10.1016/j.envpol.2021.118600] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 10/29/2021] [Accepted: 11/26/2021] [Indexed: 06/13/2023]
Abstract
This study focused on the impacts of aged aquaculture microplastics (MPs) on oysters (Crassostrea gigas). Adult oysters were exposed for two months to a cocktail of MPs representative of the contamination of the Pertuis Charentais area (Bay of Biscay, France) and issuing from oyster framing material. The MPs mixture included 28% of polyethylene, 40% of polypropylene and 32% of PVC (polyvinyl chloride). During the exposure, tissues were sampled for various analyzes (MP quantification, toxicity biomarkers). Although no effect on the growth of adult oysters was noted, the mortality rate of bivalves exposed to MPs (0.1 and 10 mg. L-1 MP) increased significantly (respectively 13.3 and 23.3% of mortalities cumulative). On the one hand, the responses of biomarkers revealed impacts on oxidative stress, lipid peroxidation and environmental stress. At 56 days of exposure, significant increases were noted for Glutathione S-Transferase (GST, 10 mg. L-1 MP), Malondialdehyde (MDA, 10 mg. L-1 MP) and Laccase (LAC, 0.1 and 10 mg. L-1 MP). No variations were observed for Superoxyde Dismutase (SOD). Besides, ingestion of MPs in oyster tissues and the presence in biodeposits was highlighted. In addition, in vitro fertilisations were performed to characterize MPs effects on the offspring. Swimming behavior, development and growth of D-larvae were analysed at 24-, 48- and 72-h after fertilisation. D-larvae, from exposed parents, demonstrated reduced locomotor activity. Developmental abnormalities and arrest as well as growth retardation were also noted. This study highlighted direct and intergenerational effects of MPs from aged plastic materials on Pacific oysters.
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Affiliation(s)
- Arno Bringer
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France.
| | - Jérôme Cachot
- Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
| | - Emmanuel Dubillot
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
| | - Grégoire Prunier
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
| | - Valérie Huet
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
| | | | - Louise Evin
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
| | - Hélène Thomas
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
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113
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Gonçalves JM, Sousa VS, Teixeira MR, Bebianno MJ. Chronic toxicity of polystyrene nanoparticles in the marine mussel Mytilus galloprovincialis. CHEMOSPHERE 2022; 287:132356. [PMID: 34600009 DOI: 10.1016/j.chemosphere.2021.132356] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 09/16/2021] [Accepted: 09/23/2021] [Indexed: 05/24/2023]
Abstract
Nanoplastics (NP) (1-100 nm) are a growing global concern, and their adverse effects in marine organisms are still scarce. This study evaluated the effects of polystyrene nanoplastics (10 μg/L; 50 nm nPS) in the marine mussel Mytilus galloprovincialis after a 21 - day exposure. The hydrodynamic diameter and zeta potential of nPS were analysed, over time, in seawater and ultrapure water. A multibiomarker approach (genotoxicity (the comet assay) was assessed in mussel haemocytes, and the antioxidant enzymes (superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx)), biotransformation enzyme (glutathione - S - transferase (GST)), and oxidative damage (LPO)) was assessed in gills and digestive glands to evaluate the toxicity of nPS towards mussels. In seawater, aggregation of nPS is favoured and consequently the hydrodynamic diameter increases. Genotoxicity was highly noticeable in mussels exposed to nPS, presenting a higher % tail DNA when compared to controls. Antioxidant enzymes are overwhelmed after nPS exposure, leading to oxidative damage in both tissues. Results showed that mussel tissues are incapable of dealing with the effects that this emerging stressor pursues towards the organism. The Integrated Biomarker Response index, used to summarise the biomarkers analysed into one index, shows that nPS toxicity towards mussels are both tissue and time dependent, being that gills are the tissue most compromised.
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Affiliation(s)
- Joanna M Gonçalves
- CIMA - Centre for Marine and Environmental Research, University of Algarve, Campus de Gambelas, 8000-139, Faro, Portugal
| | - Vânia Serrão Sousa
- CENSE, Centre for Environmental and Sustainability Research, University of Algarve, Faculty of Sciences and Technology, Bldg 7, Campus de Gambelas, 8005-139, Faro, Portugal
| | - Margarida Ribau Teixeira
- CENSE, Centre for Environmental and Sustainability Research, University of Algarve, Faculty of Sciences and Technology, Bldg 7, Campus de Gambelas, 8005-139, Faro, Portugal
| | - Maria João Bebianno
- CIMA - Centre for Marine and Environmental Research, University of Algarve, Campus de Gambelas, 8000-139, Faro, Portugal.
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114
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Yaripour S, Huuskonen H, Rahman T, Kekäläinen J, Akkanen J, Magris M, Kipriianov PV, Kortet R. Pre-fertilization exposure of sperm to nano-sized plastic particles decreases offspring size and swimming performance in the European whitefish (Coregonus lavaretus). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 291:118196. [PMID: 34555795 DOI: 10.1016/j.envpol.2021.118196] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/08/2021] [Accepted: 09/15/2021] [Indexed: 06/13/2023]
Abstract
Exposure of aquatic organisms to micro- and nano-sized plastic debris in their environment has become an alarming concern. Besides having a number of potentially harmful impacts for individual organisms, plastic particles can also influence the phenotype and performance of their offspring. We tested whether the sperm pre-fertilization exposure to nanoplastic particles could affect offspring survival, size, and swimming performance in the European whitefish Coregonus lavaretus. We exposed sperm of ten whitefish males to three concentrations (0, 100 and 10 000 pcs spermatozoa-1) of 50 nm carboxyl-coated polystyrene spheres, recorded sperm motility parameters using computer assisted sperm analysis (CASA) and then fertilized the eggs of five females in all possible male-female combinations. Finally, we studied embryonic mortality, hatching time, size, and post-hatching swimming performance of the offspring. We found that highest concentration of plastic particles decreased sperm motility and offspring hatching time. Furthermore, sperm exposure to highest concentration of plastics reduced offspring body mass and impaired their swimming ability. This suggests that sperm pre-fertilization exposure to plastic pollution may decrease male fertilization potential and have important transgenerational impacts for offspring phenotype and performance. Our findings indicate that nanoplastics pollution may have significant ecological and evolutionary consequences in aquatic ecosystems.
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Affiliation(s)
- Sareh Yaripour
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland.
| | - Hannu Huuskonen
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland
| | - Tawfiqur Rahman
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland
| | - Jukka Kekäläinen
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland
| | - Jarkko Akkanen
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland
| | - Martina Magris
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland
| | - Pavel Vladimirovich Kipriianov
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland
| | - Raine Kortet
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland
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115
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Mohana AA, Farhad SM, Haque N, Pramanik BK. Understanding the fate of nano-plastics in wastewater treatment plants and their removal using membrane processes. CHEMOSPHERE 2021; 284:131430. [PMID: 34323805 DOI: 10.1016/j.chemosphere.2021.131430] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/20/2021] [Accepted: 07/01/2021] [Indexed: 06/13/2023]
Abstract
Nanoplastics (NPs) have become a major environmental issue due to their adverse effect on the water environment. Wastewater treatment plant (WWTP) is considered as one of the main sources for breaking down of larger-sized plastic debris and microplastics (MPs) into NPs. This study aims to provide a comprehensive understanding of NPs generation in the WWTPs, their physiochemical characteristics and interaction with the WWTPs. It is found that cracking is the major mechanism of plastics fragmentation in the WWTPs. This review also discusses the current membrane process used for NPs removal. It is found that conventional membrane processes are ineffective as they are not designed for NPs removal and fouling is a major obstacle for its application. Therefore, this study concludes by providing an outlook of developing a bio-nanofiltration process that can be used as a tertiary treatment for removing NPs and other components present in water. Such a process can produce NPs-free water for non-potable use or safe discharge into open waterways.
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Affiliation(s)
- Anika Amir Mohana
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia, Bangladesh
| | - S M Farhad
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia, Bangladesh
| | - Nawshad Haque
- CSIRO Mineral Resources, Clayton South, Melbourne, VIC, 3169, Australia
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116
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Balasch JC, Brandts I, Barría C, Martins MA, Tvarijonaviciute A, Tort L, Oliveira M, Teles M. Short-term exposure to polymethylmethacrylate nanoplastics alters muscle antioxidant response, development and growth in Sparus aurata. MARINE POLLUTION BULLETIN 2021; 172:112918. [PMID: 34526262 DOI: 10.1016/j.marpolbul.2021.112918] [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: 03/29/2021] [Revised: 08/03/2021] [Accepted: 08/27/2021] [Indexed: 05/27/2023]
Abstract
Polymethylmethacrylate (PMMA) plastic fragments have been found abundant in the environment, but the knowledge regarding its effects on the physiology of aquatic animals is still poorly studied. Here the short-term (96 h) effects of waterborne exposure to PMMA nanoplastics (PMMA-NPs) on the muscle of gilthead sea bream (Sparus aurata) fingerlings was evaluated at a concentration range that includes 0.001 up to 10 mg/L. The expression of key transcripts related to cell stress, tissue repair, immune response, antioxidant status and muscle development, together with several biochemical endpoints and metabolic parameters. Results indicate that exposure to PMMA-NPs elicit mildly antioxidant responses, enhanced the acetylcholinesterase (AChE) activity, and inhibited key regulators of muscle development (growth hormone receptors ghr-1/ghr-2 and myostatin, mstn-1 transcripts). However, no effects on pro-inflammatory cytokines (interleukin 1β, il1β and tumor necrosis factor α, tnfα) expression nor on the levels of energetic substrates (glucose, triglycerides and cholesterol) were found.
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Affiliation(s)
- J C Balasch
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - I Brandts
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain; Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - C Barría
- Programa de doctorado en Ciencias de la Acuicultura, Universidad Austral de Chile, Puerto Montt, Chile; Centro de Investigación y Gestión de Recursos Naturales (CIGREN), Instituto de Biología, Facultad de Ciencias, Universidad de Valparaíso, Valparaíso, Chile
| | - M A Martins
- Department of Physics & CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
| | - A Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Analysis INTERLAB-UMU, Regional Campus of International Excellence Mare Nostrum, University of Murcia, Espinardo, Murcia 30100, Spain
| | - L Tort
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - M Oliveira
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - M Teles
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain; Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain.
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117
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Guo X, Cai Y, Ma C, Han L, Yang Z. Combined toxicity of micro/nano scale polystyrene plastics and ciprofloxacin to Corbicula fluminea in freshwater sediments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 789:147887. [PMID: 34051493 DOI: 10.1016/j.scitotenv.2021.147887] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 05/14/2021] [Accepted: 05/14/2021] [Indexed: 05/06/2023]
Abstract
Plastic pollution has become a global environmental threat, and its potential to affect the bioavailability and toxicity of pharmaceuticals to aquatic organism are of growing concern. However, little is known regarding the combined toxicity of micro/nano-plastics and pharmaceuticals to benthic organisms in sediments. Thus, we employed a freshwater benthic bivalve, Corbicula fluminea (C. fluminea), to investigate the individual and co-toxicity of model plastics, microscopic fluorescent polystyrene (PS) (PS nano-plastic (PS-NP) and PS micro-plastic (PS-MP), 80 nm and 6 μm, respectively) and the common antibiotic ciprofloxacin (CIP) in formulated sediments. Our results suggest that oxidative damage and neurotoxicity were confirmed to occur in C. fluminea in all the treatments. The oxidative damage in the digestive glands reduced the clam ability to scavenge free radicals, causing severe tissue damage to the digestive glands of C. fluminea. Filtration rates of C. fluminea were significantly decreased in a concentration-dependent manner across all the treatments, which might be due to the inhibition of acetylcholinesterase activities. Interactions between CIP and micro/nano-plastic were observed, whereby the presence of PS decreased the toxicity of CIP in the digestive glands but aggravated the C. fluminea siphoning inhibition rate in the nano-plastic co-treatments group; in addition, the CIP toxicity to C. fluminea decreased because that the concentration of free dissolved CIP was lowered by micro/nano-PS. Taken together, the current study could contribute greatly to evaluating the ecological risk of CIP and PS in aquatic environments and sheds light on potential issues of food safety caused by both emerging pollutants.
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Affiliation(s)
- Xiaoyu Guo
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou 510006, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
| | - Yanpeng Cai
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou 510006, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
| | - Chuanxin Ma
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou 510006, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
| | - Lanfang Han
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou 510006, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
| | - Zhifeng Yang
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou 510006, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China.
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118
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Sun T, Zhan J, Li F, Ji C, Wu H. Effect of microplastics on aquatic biota: A hormetic perspective. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 285:117206. [PMID: 33971425 DOI: 10.1016/j.envpol.2021.117206] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 04/06/2021] [Accepted: 04/16/2021] [Indexed: 05/17/2023]
Abstract
As emerging pollutants, microplastics (MPs) have been found globally in various freshwater and marine matrices. This study recompiled 270 endpoints of 3765 individuals from 43 publications, reporting the onset of enhanced biological performance and reduced oxidative stress biomarkers induced by MPs in aquatic organisms at environmentally relevant concentrations (≤1 mg/L, median = 0.1 mg/L). The stimulatory responses of consumption, growth, reproduction and survival ranged from 131% to 144% of the control, with a combined response of 136%. The overall inhibitory response of 9 oxidative stress biomarkers was 71% of the control, and commonly below 75%. The random-effects meta-regression indicated that the extents of MPs-induced responses were independent of habitat, MP composition, morphology, particle size and exposure duration. The results implied that the exposure to MPs at low and high concentrations might induce opposite/non-monotonic responses in aquatic biota. Correspondingly, the hormetic dose response relationships were found at various endpoints, such as reproduction, genotoxicity, immunotoxicity, neurotoxicity and behavioral alteration. Hormesis offers a novel perspective for understanding the dose response mode of aquatic organisms exposed to low and high concentrations of MPs, highlighting the necessity to incorporate the hormetic dose response model into the ecological/environmental risk assessment of MPs.
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Affiliation(s)
- Tao Sun
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, 264003, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Junfei Zhan
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, 264003, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Fei Li
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, 264003, PR China; Center for Ocean Mega-Science, Chinese Academy of Sciences (CAS), Qingdao, 266071, PR China
| | - Chenglong Ji
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, 264003, PR China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, PR China; Center for Ocean Mega-Science, Chinese Academy of Sciences (CAS), Qingdao, 266071, PR China
| | - Huifeng Wu
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, 264003, PR China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, PR China; Center for Ocean Mega-Science, Chinese Academy of Sciences (CAS), Qingdao, 266071, PR China.
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119
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Thomas PJ, Perono G, Tommasi F, Pagano G, Oral R, Burić P, Kovačić I, Toscanesi M, Trifuoggi M, Lyons DM. Resolving the effects of environmental micro- and nanoplastics exposure in biota: A knowledge gap analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 780:146534. [PMID: 34030291 DOI: 10.1016/j.scitotenv.2021.146534] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 03/11/2021] [Accepted: 03/12/2021] [Indexed: 05/25/2023]
Abstract
The pervasive spread of microplastics (MPs) and nanoplastics (NPs) has raised significant concerns on their toxicity in both aquatic and terrestrial environments. These polymer-based materials have implications for plants, wildlife and human health, threatening food chain integrity and ultimate ecosystem resilience. An extensive - and growing - body of literature is available on MP- and NP-associated effects, including in a number of aquatic biota, with as yet limited reports in terrestrial environments. Effects range from no detectable, or very low level, biological effects to more severe outcomes such as (but not limited to) increased mortality rates, altered immune and inflammatory responses, oxidative stress, genetic damage and dysmetabolic changes. A well-established exposure route to MPs and NPs involves ingestion with subsequent incorporation into tissues. MP and NP exposures have also been found to lead to genetic damage, including effects related to mitotic anomalies, or to transmissible damage from sperm cells to their offspring, especially in echinoderms. Effects on the proteome, transcriptome and metabolome warrant ad hoc investigations as these integrated "omics" workflows could provide greater insight into molecular pathways of effect. Given their different physical structures, chemical identity and presumably different modes of action, exposure to different types of MPs and NPs may result in different biological effects in biota, thus comparative investigations of different MPs and NPs are required to ascertain the respective effects. Furthermore, research on MP and NP should also consider their ability to act as vectors for other toxicants, and possible outcomes of exposure may even include effects at the community level, thus requiring investigations in mesocosm models.
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Affiliation(s)
- Philippe J Thomas
- Environment and Climate Change Canada, Science & Technology Branch, National Wildlife Research Center - Carleton University, Ottawa, Ontario K1A 0H3, Canada
| | - Genevieve Perono
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, ON L8N 3Z5, Canada
| | - Franca Tommasi
- "Aldo Moro" Bari University, Department of Biology, I-70125 Bari, Italy
| | | | - Rahime Oral
- Ege University, Faculty of Fisheries, TR-35100 Bornova, İzmir, Turkey
| | - Petra Burić
- Juraj Dobrila University of Pula, HR-52100 Pula, Croatia
| | - Ines Kovačić
- Juraj Dobrila University of Pula, HR-52100 Pula, Croatia
| | | | | | - Daniel M Lyons
- Center for Marine Research, Ruđer Bošković Institute, HR-52210 Rovinj, Croatia.
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120
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Li Z, Feng C, Pang W, Tian C, Zhao Y. Nanoplastic-Induced Genotoxicity and Intestinal Damage in Freshwater Benthic Clams ( Corbicula fluminea): Comparison with Microplastics. ACS NANO 2021; 15:9469-9481. [PMID: 33988023 DOI: 10.1021/acsnano.1c02407] [Citation(s) in RCA: 125] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
With the wide application of plastics in daily life, nanoplastics (NPs) are ubiquitous in freshwater environments. However, to date, few studies have focused on the mechanism underlying the toxicity of NPs, and the differences between this mechanism and that governing the toxicity of MPs have also not been thoroughly characterized. In this study, the genotoxicity, intestinal damage, and intestinal flora in Corbicula fluminea exposed to micro/nanoplastics were investigated through RNA sequencing, histopathology, and 16S rRNA sequencing, respectively. Significant differences in differentially expressed genes (DEGs) were observed between MP and NP exposure groups. It was observed that NPs preferentially elicited the process related to cellular components and triggered the apoptosis through the mitochondrial pathway in various tissues, especially in indirectly contacted tissues, while MPs induced the innate immune response and activated the complement and coagulation cascades (complement system) pathway. Both MPs and NPs can induce an inflammatory response and cause epithelial damage in the intestines, and they can notably change the gut microbial community structure. However, the abundance of pathogenic bacteria (e.g., Mycoplasma) was observed to increase only in the MP-treated group, which exacerbated intestinal damage. Unlike MPs, the effect of NPs on the intestinal microflora was highly limited, while NPs elicited more severe damage to the intestinal mucosal barrier. The results of this study may help to elucidate the toxicity mechanisms governing the responses of bivalves to MPs and NPs and to evaluate the detriment of MPs and NPs to the benthic ecosystem.
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Affiliation(s)
- Zhenling Li
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, P.R. China
| | - Chenghong Feng
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, P.R. China
- The Key Laboratory of Water and Sediment Sciences, Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, P.R. China
| | - Wen Pang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, P.R. China
| | - Chenhao Tian
- The Key Laboratory of Water and Sediment Sciences, Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, P.R. China
| | - Yue Zhao
- The Key Laboratory of Water and Sediment Sciences, Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, P.R. China
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121
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Liu H, Tian L, Qu M, Wang D. Acetylation regulation associated with the induction of protective response to polystyrene nanoparticles in Caenorhabditis elegans. JOURNAL OF HAZARDOUS MATERIALS 2021; 411:125035. [PMID: 33440277 DOI: 10.1016/j.jhazmat.2020.125035] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/09/2020] [Accepted: 12/29/2020] [Indexed: 06/12/2023]
Abstract
Caenorhabditis elegans is a useful animal model to assess nanoplastic toxicity. Using polystyrene nanoparticles (PS-NPs) as the example of nanoplastics, we found that exposure to PS-NPs (1-100 μg/L) from L1-larvae for 6.5 days increased expression of cbp-1 encoding an acetyltransferase. The susceptibility to PS-NPs toxicity was observed in cbp-1(RNAi) worms, suggesting that CBP-1-mediated histone acetylation regulation reflects a protective response to PS-NPs. The functions of CBP-1 in intestine, neurons, and germline were required for formation of this protective response. In intestinal cells, CBP-1 controlled PS-NPs toxicity by modulating functions of insulin and p38 MAPK signaling pathways. In neuronal cells, CBP-1 controlled PS-NPs toxicity by affecting functions of DAF-7/TGF-β and JNK MAPK signaling pathways. In germline cells, CBP-1 controlled PS-NPs toxicity by suppressing NHL-2 activity, and NHL-2 further regulated PS-NPs toxicity by modulating insulin communication between germline and intestine. Therefore, our data suggested that the CBP-1-mediated histone acetylation regulation in certain tissues is associated with the induction of protective response to PS-NPs in C. elegans.
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Affiliation(s)
- Huanliang Liu
- Medical School, Southeast University, Nanjing 210009, China
| | - Lijie Tian
- Medical School, Southeast University, Nanjing 210009, China
| | - Man Qu
- Medical School, Southeast University, Nanjing 210009, China
| | - Dayong Wang
- Medical School, Southeast University, Nanjing 210009, China.
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Wang J, Zhao X, Wu F, Niu L, Tang Z, Liang W, Zhao T, Fang M, Wang H, Wang X. Characterization, occurrence, environmental behaviors, and risks of nanoplastics in the aquatic environment: Current status and future perspectives. FUNDAMENTAL RESEARCH 2021. [DOI: 10.1016/j.fmre.2021.05.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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123
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Mitrano DM, Wick P, Nowack B. Placing nanoplastics in the context of global plastic pollution. NATURE NANOTECHNOLOGY 2021; 16:491-500. [PMID: 33927363 DOI: 10.1038/s41565-021-00888-2] [Citation(s) in RCA: 215] [Impact Index Per Article: 71.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 03/03/2021] [Indexed: 05/13/2023]
Abstract
Numerous studies have made the ubiquitous presence of plastic in the environment undeniable, and thus it no longer comes as a surprise when scientists measure the accumulation of macroplastic litter and microplastic fragments in both urban and remote sites. Nanoplastics have recently emerged in the discussions of scientists, regulators and the public, as the weathering of macroplastics may lead to a substantial burden of nanoplastics in various ecosystems. While nanoplastics particles themselves have not (yet) been extensively measured in the environment, there is increased concern that this size fraction of plastic may be more extensively distributed and hazardous that larger-sized particles. This assessment may emanate from an unease with the term 'nano', which may elicit a negative response over uncertainties of the pervasiveness of nanoplastics specifically, or from the lessons learned by many years of intensive environmental health and safety research of engineered nanomaterials. Ultimately, the different physical and chemical characteristics of the different size classes of plastic pollution (macroplastics, microplastics and nanoplastics) will result in divergent fate and hazards. As nanoscientists specializing in understanding the fate, transport and interactions of nanoparticles in human and environmental systems, in this Perspective, we try to place nanoplastics in the context of global plastic pollution by assessing its sources and risks, and by assessing commonalities nanoplastics may share with other nanosized objects in environmental systems, such as engineered nanomaterials and natural colloids.
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Affiliation(s)
- Denise M Mitrano
- Department of Environmental Systems Science, ETH Zurich, Zurich, Switzerland.
| | - Peter Wick
- Particles-Biology Interactions Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, St. Gallen, Switzerland
| | - Bernd Nowack
- Technology and Society Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, St. Gallen, Switzerland
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124
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Kik K, Bukowska B, Krokosz A, Sicińska P. Oxidative Properties of Polystyrene Nanoparticles with Different Diameters in Human Peripheral Blood Mononuclear Cells (In Vitro Study). Int J Mol Sci 2021; 22:ijms22094406. [PMID: 33922469 PMCID: PMC8122768 DOI: 10.3390/ijms22094406] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/16/2021] [Accepted: 04/21/2021] [Indexed: 11/16/2022] Open
Abstract
With the ongoing commercialization, human exposure to plastic nanoparticles will dramatically increase, and evaluation of their potential toxicity is essential. There is an ongoing discussion on the human health effects induced by plastic particles. For this reason, in our work, we assessed the effect of polystyrene nanoparticles (PS-NPs) of various diameters (29, 44 and 72 nm) on selected parameters of oxidative stress and the viability of human peripheral blood mononuclear cells (PBMCs) in the in vitro system. Cells were incubated with PS-NPs for 24 h in the concentration range of 0.001 to 100 µg/mL and then labeled: formation of reactive oxygen species (ROS) (including hydroxyl radical), protein and lipid oxidation and cell viability. We showed that PS-NPs disturbed the redox balance in PBMCs. They increased ROS levels and induced lipid and protein oxidation, and, finally, the tested nanoparticles induced a decrease in PBMCs viability. The earliest changes in the PBMCs were observed in cells incubated with the smallest PS-NPs, at a concentration of 0.01 μg/mL. A comparison of the action of the studied nanoparticles showed that PS-NPs (29 nm) exhibited a stronger oxidative potential in PBMCs. We concluded that the toxicity and oxidative properties of the PS-NPs examined depended to significant degree on their diameter.
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125
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Missawi O, Bousserrhine N, Zitouni N, Maisano M, Boughattas I, De Marco G, Cappello T, Belbekhouche S, Guerrouache M, Alphonse V, Banni M. Uptake, accumulation and associated cellular alterations of environmental samples of microplastics in the seaworm Hediste diversicolor. JOURNAL OF HAZARDOUS MATERIALS 2021; 406:124287. [PMID: 33268200 DOI: 10.1016/j.jhazmat.2020.124287] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 10/01/2020] [Accepted: 10/13/2020] [Indexed: 06/12/2023]
Abstract
The ubiquitous distribution of microplastics (MPs) in the marine environment raises global concern to understand their impact. Environmental MPs have been shown to exhibit different physicochemical properties during their life cycles. However, the body of knowledge regarding their accumulation and biological effects is still significantly limited compared to manufactured MPs. To evaluate the hazardous effects of a mixture of environmental MPs collected along the Tunisian beaches, their accumulation and cellular effects were investigated in Hediste diversicolor. MP sample was composed of polyethylene (PE), polyethylene vinyl acetate (PEVA), low-density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP) and polyamide (PA) analyzed using Raman microspectroscopy (RM). The concentrations of MPs in seaworm tissues increased over time, following the order 1.2-0.45 µm > 3-1.2 µm > 100-3 µm. The ingestion of MPs by H. diversicolor reduced their survival and growth, affected the neuro-transmission and antioxidant pathways. Our data emphasised that the toxic effects of environmental MPs were closely related to the exposure dose and period. The results also demonstrated that the size distribution of MPs in seaworms was mainly correlated with biochemical markers. This study highlights the ecological risk in the ingestion and accumulation of environmental MPs by biota that threatens their functional parameters.
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Affiliation(s)
- Omayma Missawi
- University of Sousse, Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, Sousse, Tunisia; University of Monastir, Higher Institute of Biotechnology of Monastir, Monastir, Tunisia
| | - Noureddine Bousserrhine
- University Paris-Est Creteil, Laboratory of Water, Environment and Urban Systems, Faculty of Science and Technology, Creteil Cedex, France
| | - Nesrine Zitouni
- University of Sousse, Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, Sousse, Tunisia; University of Monastir, Higher Institute of Biotechnology of Monastir, Monastir, Tunisia
| | - Maria Maisano
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Iteb Boughattas
- University of Sousse, Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, Sousse, Tunisia
| | - Giuseppe De Marco
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Tiziana Cappello
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Sabrina Belbekhouche
- CNRS, University of Paris-Est Creteil, Institute of Chemistry and Materials Paris-Est ICMPE, UMR7182, 94320 Thiais, France
| | - Mohamed Guerrouache
- CNRS, University of Paris-Est Creteil, Institute of Chemistry and Materials Paris-Est ICMPE, UMR7182, 94320 Thiais, France
| | - Vanessa Alphonse
- University Paris-Est Creteil, Laboratory of Water, Environment and Urban Systems, Faculty of Science and Technology, Creteil Cedex, France
| | - Mohamed Banni
- University of Sousse, Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, Sousse, Tunisia; University of Monastir, Higher Institute of Biotechnology of Monastir, Monastir, Tunisia.
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126
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Chen Z, Huang Z, Liu J, Wu E, Zheng Q, Cui L. Phase transition of Mg/Al-flocs to Mg/Al-layered double hydroxides during flocculation and polystyrene nanoplastics removal. JOURNAL OF HAZARDOUS MATERIALS 2021; 406:124697. [PMID: 33307450 DOI: 10.1016/j.jhazmat.2020.124697] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/21/2020] [Accepted: 11/25/2020] [Indexed: 06/12/2023]
Abstract
Nanoplastics, a kind of emerging pollutant in natural environments, have now drawn tremendous attention worldwide. Flocculation with Mg/Al-layered double hydroxides (LDH) precursor solutions has showed great potential for removing negatively charged nanoparticles from water. In this study, the flocculation behavior and mechanism for the removal of polystyrene nanoplastics (PSNP) with Mg/Al flocs or Mg/Al LDH were systematically analyzed and investigated. During the process of flocculation, it was observed that in situ Mg/Al LDH can be gradually formed with increasing pH, in addition, PSNP were captured or attached to the surface of LDH with a turning point around pH of 5.0. In acidic solutions with pH < 5.0, the negative surface charges of PSNP were diminished mainly due to the high concentrations of hydrogen ions and the positive charges from Mg and Al ions. In a moderately alkaline solution, Mg and Al ions gradually formed crystals capturing PSNP. Electrostatic adsorption and intermolecular force are the main mechanisms via which PSNP are captured on Mg/Al flocs. Herein, PSNP removal efficiencies from water were more than 90.0%. As the problem of plastic pollution becomes more severe, in situ LDH growth flocculation can provide an efficient way for the removal of PSNP.
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Affiliation(s)
- Ziying Chen
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Zhujian Huang
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
| | - Junhong Liu
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Enya Wu
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Qian Zheng
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Lihua Cui
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
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127
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Deidda I, Russo R, Bonaventura R, Costa C, Zito F, Lampiasi N. Neurotoxicity in Marine Invertebrates: An Update. BIOLOGY 2021; 10:161. [PMID: 33670451 PMCID: PMC7922589 DOI: 10.3390/biology10020161] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 01/20/2021] [Accepted: 02/11/2021] [Indexed: 12/13/2022]
Abstract
Invertebrates represent about 95% of existing species, and most of them belong to aquatic ecosystems. Marine invertebrates are found at intermediate levels of the food chain and, therefore, they play a central role in the biodiversity of ecosystems. Furthermore, these organisms have a short life cycle, easy laboratory manipulation, and high sensitivity to marine pollution and, therefore, they are considered to be optimal bioindicators for assessing detrimental chemical agents that are related to the marine environment and with potential toxicity to human health, including neurotoxicity. In general, albeit simple, the nervous system of marine invertebrates is composed of neuronal and glial cells, and it exhibits biochemical and functional similarities with the vertebrate nervous system, including humans. In recent decades, new genetic and transcriptomic technologies have made the identification of many neural genes and transcription factors homologous to those in humans possible. Neuroinflammation, oxidative stress, and altered levels of neurotransmitters are some of the aspects of neurotoxic effects that can also occur in marine invertebrate organisms. The purpose of this review is to provide an overview of major marine pollutants, such as heavy metals, pesticides, and micro and nano-plastics, with a focus on their neurotoxic effects in marine invertebrate organisms. This review could be a stimulus to bio-research towards the use of invertebrate model systems other than traditional, ethically questionable, time-consuming, and highly expensive mammalian models.
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128
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Wang T, Hu M, Xu G, Shi H, Leung JYS, Wang Y. Microplastic accumulation via trophic transfer: Can a predatory crab counter the adverse effects of microplastics by body defence? THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 754:142099. [PMID: 32911152 DOI: 10.1016/j.scitotenv.2020.142099] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 08/23/2020] [Accepted: 08/29/2020] [Indexed: 05/07/2023]
Abstract
Microplastics are considered detrimental to aquatic organisms due to their potential accumulation along food chains. Thus, it is puzzling why some of them appear unaffected by microplastics. Here, we assessed the contribution of water filtration and food consumption to microplastic accumulation in a predatory marine crab (Charybdis japonica) and examined the associated impacts of microplastics (particle size: 5 μm) following ingestion for one week. Results showed that water filtration and food consumption contributed similarly to the accumulation of microplastics, which were distributed among organs in this order: hepatopancreas > guts > gills > muscles. Yet, biomagnification (i.e. accumulation through consumption of microplastic-contaminated mussels) did not occur possibly due to egestion of microplastics. The crabs upregulated detoxification capacity (EROD) and antioxidant defence (GST) in response to the microplastics accumulated in their tissues. However, these defence mechanisms collapsed when the microplastic concentration in hepatopancreas exceeded ~3 mg g-1, leading to severe hepatic injury (elevated AST and ALT) and impaired neural activity (reduced AChE). Our results suggest that marine organisms have an innate capacity to counter the acute effects of microplastics, but there is a limit beyond which the defence mechanisms fail and hence physiological functions are impaired. As microplastic pollution will deteriorate in the future, the fitness and survival of marine organisms may be undermined by microplastics, affecting the stability and functioning of marine ecosystems.
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Affiliation(s)
- Ting Wang
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, 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, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Guangen Xu
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Huahong Shi
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
| | - Jonathan Y S Leung
- Southern Seas Ecology Laboratories, The Environment Institute, School of Biological Sciences, The University of Adelaide, South Australia 5005, Australia; Faculty of Materials and Energy, Southwest University, Chongqing 400715, China.
| | - Youji Wang
- International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, 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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129
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Sendra M, Sparaventi E, Novoa B, Figueras A. An overview of the internalization and effects of microplastics and nanoplastics as pollutants of emerging concern in bivalves. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 753:142024. [PMID: 33207452 DOI: 10.1016/j.scitotenv.2020.142024] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 05/22/2023]
Abstract
Microplastic and nanoplastic pollution in aquatic environments is a topic of emerging concern due to the internalization, retention time and effects of these particles in aquatic biota. Bivalves are considered bioindicators due to their wide distribution, sessile behaviour, occupation of ecological niches and ability to filter a large water volume. The study of microplastics and nanoplastics in bivalves has revealed the uptake mechanisms, internalization, distribution and depuration of these particles as well as their effects on physiological parameters, morphological alterations, immunotoxicity and changes in gene expression and proteomic profiles. In this review, we examine the primary characteristics of microplastics and nanoplastics (type of material, size, coating, density, additives and shapes) involved in their possible toxicity in bivalves. Furthermore, secondary characteristics such as the suspension media, aggregation stage and adsorption of persistent pollutants were also recorded to assess the impact of these materials on bivalves. Here, we have highlighted the efforts exerted thus far and the remaining gaps in understanding the extent of microplastic and nanoplastic impacts on bivalves on the basis of laboratory experiments and mesocosm bioassays and in the field. Furthermore, further microplastic and nanoplastic toxicological studies are proposed to facilitate the realistic assessment of environmental risk.
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Affiliation(s)
- M Sendra
- Institute of Marine Research (IIM), National Research Council (CSIC), Eduardo Cabello 6, 36208 Vigo, Spain.
| | - E Sparaventi
- Institute of Marine Sciences of Andalusia (ICMAN), National Research Council (CSIC), Campus Río San Pedro, 11510 Puerto Real, Cádiz, Spain
| | - B Novoa
- Institute of Marine Research (IIM), National Research Council (CSIC), Eduardo Cabello 6, 36208 Vigo, Spain
| | - A Figueras
- Institute of Marine Research (IIM), National Research Council (CSIC), Eduardo Cabello 6, 36208 Vigo, Spain
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130
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Qin T, Hong X, Chen R, Zha J, Shen J. Evaluating environmental impact of STP effluents on receiving water in Beijing by the joint use of chemical analysis and biomonitoring. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 752:141942. [PMID: 32896793 DOI: 10.1016/j.scitotenv.2020.141942] [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: 06/22/2020] [Revised: 08/19/2020] [Accepted: 08/22/2020] [Indexed: 06/11/2023]
Abstract
To evaluate the environmental impact of receiving water from the Qinghe River sewage treatment plant (STP) effluents in Beijing, we collected sediments and Bellamya aeruginosa (Up-site, Discharge-site, and Down-site) both in 2017 and 2018 and analyzed the samples via chemical analysis, biological responses and transcriptomics. In two years of data, our biological results showed that AChE activities presented different degrees of influence on B. aeruginosa captured at sampling points of the STP compared to control sites (P < 0.05). Additionally, indicators of the antioxidant system (e.g., SOD, CAT, GST, EROD activity) and MDA content were significantly increased in the whole tissue at the Up-site of the STP. Integration of the assessed biomarkers using the integrated biomarker response (IBR) index ranked the environmental impact at sites as Up-site > Discharge-site > Down-site. In terms of the transcriptome data, B. aeruginosa collected from the Discharge-site of the STP showed greater transcriptomic response than it did from all other sites. KEGG pathway analysis revealed that sewage significantly altered the expression of genes involved in xenobiotics by cytochrome P450, drug metabolism-cytochrome P450, glutathione metabolism, oxidative phosphorylation, citrate (TCA) cycle, glycolysis/gluconeogenesis, apoptotic and Parkinson's disease. The concentrations of 34 organic pollutants (17 PAHs, 10 PAEs, 7 EDCs) were measured. The chemical concentrations of pollutants decreased from Up-site to Down-site and were well correlated with enzyme activity, IBR, and transcriptomic results. Our results demonstrated that the combined use of chemical analysis, biological responses and transcriptome data is necessary to validate the efficacy of a battery of biomarkers chosen to detect environmental stress due to pollution.
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Affiliation(s)
- Tianlong Qin
- Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, College of Fisheries, Huazhong Agriculture University, Wuhan 430070, China; Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Xiangsheng Hong
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Rui Chen
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Jinmiao Zha
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
| | - Jianzhong Shen
- Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, College of Fisheries, Huazhong Agriculture University, Wuhan 430070, China.
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131
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Liu Q, Chen C, Li M, Ke J, Huang Y, Bian Y, Guo S, Wu Y, Han Y, Liu M. Neurodevelopmental Toxicity of Polystyrene Nanoplastics in Caenorhabditis elegans and the Regulating Effect of Presenilin. ACS OMEGA 2020; 5:33170-33177. [PMID: 33403278 PMCID: PMC7774258 DOI: 10.1021/acsomega.0c04830] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 11/25/2020] [Indexed: 05/04/2023]
Abstract
As one of the most widely used materials, plastic polymer fragments can abrasively degrade into microplastic (MP) and smaller nanoplastic (NP) particles. The present study aimed to investigate the influence of particle size on neurodevelopmental toxicity induced by polystyrene nanoplastics (PS-NPs) in Caenorhabditis elegans and to explore the underlying potential mechanism. C. elegans were exposed to different concentrations of PS-NPs with various sizes (25, 50, and 100 nm) for 72 h. Our results showed that all of these PS-NPs could dose-dependently induce an increase in reactive oxygen species production and mitochondrial damage in C. elegans, resulting in inhibition of body length, head thrashes, body bending, and dopamine (DA) contents. A weaker neurotoxicity was found in 25 nm PS-NPs compared to 50 and 100 nm PS-NPs, which might be due to preferential cellular distribution and greater polymerization capability of the smaller particles. In addition, all these PS-NPs could induce lipofuscin accumulation and apoptosis independent of particle size, suggesting that oxidative damage and mitochondrial dysfunction may not be the only way responsible for NP-induced neurotoxic effects. Furthermore, the mutant test targeting two presenilin genes (sel-12 and hop-1) showed that sel-12 and hop-1 were involved in regulation of PS-NP-induced neurodevelopmental toxicity and mitochondrial damage. In conclusion, PS-NPs could induce neurodevelopmental toxicity dependent on particle sizes mediated by mitochondrial damage and DA reduction. Enhanced expression of presenilin plays a role in PS-NP-induced oxidative stress and neurodevelopmental toxicity.
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Affiliation(s)
- Qianyun Liu
- Department of Neurology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Chunxiang Chen
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Mengting Li
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jia Ke
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yichen Huang
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yuefeng Bian
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Shufen Guo
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yang Wu
- Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yan Han
- Department of Neurology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Mingyuan Liu
- Department of Neurology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
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132
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Rodríguez-Hernández AG, Chiodoni A, Bocchini S, Vazquez-Duhalt R. 3D printer waste, a new source of nanoplastic pollutants. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 267:115609. [PMID: 33254724 DOI: 10.1016/j.envpol.2020.115609] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 08/18/2020] [Accepted: 09/03/2020] [Indexed: 06/12/2023]
Abstract
Plastics pollution has been recognized as a serious environmental problem. Nevertheless, new plastic uses, and applications are still increasing. Among these new applications, three-dimensional resin printers have increased their use and popularity around the world showing a vertiginous annual-sales growth. However, this technology is also the origin of residues generation from the alcohol cleaning procedure at the end of each printing. This alcohol/resin mixture can originate unintentionally very small plastic particles that usually are not correctly disposed, and as consequence, could be easily released to the environment. In this work, the nanoparticle generation from 3D printer's cleaning procedure and their physicochemical characterization is reported. Nano-sized plastic particles are easily formed when the resin residues are dissolved in alcohol and placed under UV radiation from sunlight. These nanoparticles can agglomerate in seawater showing an average hydrodynamic diameter around 1 μm, whereas the same nanoparticles remain dispersed in ultrapure water, showing a hydrodynamic diameter of ≈300 nm. The formed nanoparticles showed an isoelectric point close to pH 2, which can facilitate their interaction with other positively charged pollutants. Thus, these unexpected plastic nanoparticles can become an environmental issue and public health risk.
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Affiliation(s)
- A G Rodríguez-Hernández
- Center for Nanosciences and Nanotechnology, Universidad Nacional Autónoma de México, Ensenada, B.C, Mexico; CATEDRA CONACyT Researcher at CNYN-UNAM, Mexico.
| | - Angelica Chiodoni
- Center for Sustainable Future Technologies - Istituto Italiano di Tecnologia, via Livorno, 60-10144, Torino, Italy
| | - Sergio Bocchini
- Center for Sustainable Future Technologies - Istituto Italiano di Tecnologia, via Livorno, 60-10144, Torino, Italy
| | - Rafael Vazquez-Duhalt
- Center for Nanosciences and Nanotechnology, Universidad Nacional Autónoma de México, Ensenada, B.C, Mexico
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133
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Huang JN, Wen B, Meng LJ, Li XX, Wang MH, Gao JZ, Chen ZZ. Integrated response of growth, antioxidant defense and isotopic composition to microplastics in juvenile guppy (Poecilia reticulata). JOURNAL OF HAZARDOUS MATERIALS 2020; 399:123044. [PMID: 32521315 DOI: 10.1016/j.jhazmat.2020.123044] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/14/2020] [Accepted: 05/24/2020] [Indexed: 05/12/2023]
Abstract
Microplastics (MPs) pollution becomes a research hotspot and many studies focus on threats of MPs, but few have integrated multi-level indicators to assess response to MPs of organisms. Here we exposed guppy (Poecilia reticulata) to MPs (polystyrene; 32-40 μm diameter) with two concentrations (100 and 1000 μg/L) for 28 days. We found that higher accumulation of MPs appeared in guppy gill than that in gut. MPs had no obvious effect on guppy growth but significantly inhibited the condition factor. Oxidative stress presented in guppy viscera with activated antioxidants. The decline of Na+/K+-ATP activity in guppy indicated that MPs might interfere with the osmotic balance of gills. MPs reduced body molar ratio of C:N and δ13C value, but no apparent impact on δ15N. It implied that MPs probably altered elemental transition. Eventually, through integrated biomarkers response index (IBR) of guppy, we found that catalase activity was the highest index in response to MPs, and the response of growth performance to MPs was lower than that of oxidative stress and element alteration. Risks of MPs aggravated in a concentration-dependent manner. These findings suggested that multi-level IBR approach should be adopted to quantify effects of MPs on aquatic organisms, especially on fish.
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Affiliation(s)
- Jun-Nan Huang
- National Demonstration Centre for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Centre of Aquaculture, Shanghai Ocean University, Shanghai 201306, China
| | - Bin Wen
- National Demonstration Centre for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Centre of Aquaculture, Shanghai Ocean University, Shanghai 201306, China.
| | - Liu-Jiang Meng
- National Demonstration Centre for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Centre of Aquaculture, Shanghai Ocean University, Shanghai 201306, China
| | - Xin-Xin Li
- National Demonstration Centre for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Centre of Aquaculture, Shanghai Ocean University, Shanghai 201306, China
| | - Mei-Hui Wang
- National Demonstration Centre for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Centre of Aquaculture, Shanghai Ocean University, Shanghai 201306, China
| | - Jian-Zhong Gao
- National Demonstration Centre for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Centre of Aquaculture, Shanghai Ocean University, Shanghai 201306, China
| | - Zai-Zhong Chen
- National Demonstration Centre for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Centre of Aquaculture, Shanghai Ocean University, Shanghai 201306, China.
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134
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Miao F, Liu Y, Gao M, Yu X, Xiao P, Wang M, Wang S, Wang X. Degradation of polyvinyl chloride microplastics via an electro-Fenton-like system with a TiO 2/graphite cathode. JOURNAL OF HAZARDOUS MATERIALS 2020; 399:123023. [PMID: 32535518 DOI: 10.1016/j.jhazmat.2020.123023] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/20/2020] [Accepted: 05/21/2020] [Indexed: 05/26/2023]
Abstract
Nowadays, microplastic pollution has been brought into focus for its hazards to aquatic life. However, researches on the electrocatalytic treatment for efficient degradation of microplastics are still insufficient. Herein, an electro-Fenton like (EF-like) technology based on TiO2/graphite (TiO2/C) cathode was put forward to degrade polyvinyl chloride (PVC), a typical microplastic in water. It exhibited a remarkable performance on PVC degradation via cathodic reduction dechlorination and hydroxyl radical (OH) oxidation simultaneously. Besides, the effects of reaction temperature and initial PVC concentration were investigated. Under optimal conditions, the dechlorination efficiency of PVC reached 75 % after potentiostatic electrolysis at -0.7 V vs. Ag/AgCl for 6 h. The intermediate products were explored during the degradation of PVC microplastics. The surface morphologies and molecular weight of PVC changed accordingly. Based on these results, a possible degradation process for PVC was proposed. This work demonstrated that such a heterogeneous EF-like technology using TiO2/C cathode was hopefully to provide an eco-friendly method for microplastic wastewater treatment.
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Affiliation(s)
- Fei Miao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China
| | - Yanfeng Liu
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China
| | - Mingming Gao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China.
| | - Xin Yu
- Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, China
| | - Pengwei Xiao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China
| | - Mei Wang
- The Key Laboratory of Plant Development and Environment Adaptation Biology, Ministry of Education, School of Life Science, Shandong University, Qingdao, 266237, China
| | - Shuguang Wang
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China
| | - Xinhua Wang
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China
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