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Xiong G, Zhang H, Shi H, Peng Y, Han M, Hu T, Liao X, Liu Y, Zhang J, Xu G. Enhanced hepatotoxicity in zebrafish due to co-exposure of microplastics and sulfamethoxazole: Insights into ROS-mediated MAPK signaling pathway regulation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 278:116415. [PMID: 38703406 DOI: 10.1016/j.ecoenv.2024.116415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 04/23/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
The combined pollution of microplastics (MPs) and sulfamethoxazole (SMZ) often occurs in aquatic ecosystems, posing a serious threat to animal and human health. However, little is known about the liver damage caused by the single or co-exposure of MPs and SMZ, and its specific mechanisms are still poorly understood. In this study, we investigated the effects of co-exposure to 20 μm or 80 nm MPs and SMZ in both larval and adult zebrafish models. Firstly, we observed a significant decrease in the number of hepatocytes and the liver damage in larval zebrafish worsened following co-exposure to SMZ and MPs. Additionally, the number of macrophages and neutrophils decreased, while the expression of inflammatory cytokines and antioxidant enzyme activities increased after co-exposure in larval zebrafish. Transcriptome analysis revealed significant changes in gene expression in the co-exposed groups, particularly in processes related to oxidation-reduction, inflammatory response, and the MAPK signaling pathway in the liver of adult zebrafish. Co-exposure of SMZ and MPs also promoted hepatocyte apoptosis and inhibited proliferation levels, which was associated with the translocation of Nrf2 from the cytoplasm to the nucleus and an increase in protein levels of Nrf2 and NF-kB p65 in the adult zebrafish. Furthermore, our pharmacological experiments demonstrated that inhibiting ROS and blocking the MAPK signaling pathway partially rescued the liver injury induced by co-exposure both in larval and adult zebrafish. In conclusion, our findings suggest that co-exposure to SMZ and MPs induces hepatic dysfunction through the ROS-mediated MAPK signaling pathway in zebrafish. This information provides novel insights into the potential environmental risk of MPs and hazardous pollutants co-existence in aquatic ecosystems.
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Affiliation(s)
- Guanghua Xiong
- College of Biology and Food Engineering, Key Laboratory of Embryo Development and Reproductive Regulation of Anhui Province, Key Laboratory of Environmental Hormone and Reproduction of Anhui Province, Fuyang Normal University, Fuyang, Anhui 236041, China; College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi 343009, China
| | - Haiyan Zhang
- College of Life Sciences, Jiangxi Normal University, Nanchang, Jiangxi 330022, China; College of Biology and Food Engineering, Key Laboratory of Embryo Development and Reproductive Regulation of Anhui Province, Key Laboratory of Environmental Hormone and Reproduction of Anhui Province, Fuyang Normal University, Fuyang, Anhui 236041, China
| | - Huangqi Shi
- College of Biology and Food Engineering, Key Laboratory of Embryo Development and Reproductive Regulation of Anhui Province, Key Laboratory of Environmental Hormone and Reproduction of Anhui Province, Fuyang Normal University, Fuyang, Anhui 236041, China
| | - Yulin Peng
- College of Biology and Food Engineering, Key Laboratory of Embryo Development and Reproductive Regulation of Anhui Province, Key Laboratory of Environmental Hormone and Reproduction of Anhui Province, Fuyang Normal University, Fuyang, Anhui 236041, China
| | - Meiling Han
- College of Biology and Food Engineering, Key Laboratory of Embryo Development and Reproductive Regulation of Anhui Province, Key Laboratory of Environmental Hormone and Reproduction of Anhui Province, Fuyang Normal University, Fuyang, Anhui 236041, China
| | - Tianle Hu
- College of Biology and Food Engineering, Key Laboratory of Embryo Development and Reproductive Regulation of Anhui Province, Key Laboratory of Environmental Hormone and Reproduction of Anhui Province, Fuyang Normal University, Fuyang, Anhui 236041, China
| | - Xinjun Liao
- College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi 343009, China
| | - Yong Liu
- College of Biology and Food Engineering, Key Laboratory of Embryo Development and Reproductive Regulation of Anhui Province, Key Laboratory of Environmental Hormone and Reproduction of Anhui Province, Fuyang Normal University, Fuyang, Anhui 236041, China
| | - Jun'e Zhang
- College of Life Sciences, Jiangxi Normal University, Nanchang, Jiangxi 330022, China.
| | - Gaoxiao Xu
- College of Biology and Food Engineering, Key Laboratory of Embryo Development and Reproductive Regulation of Anhui Province, Key Laboratory of Environmental Hormone and Reproduction of Anhui Province, Fuyang Normal University, Fuyang, Anhui 236041, China.
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Liu Z, Wang Y, Bian Q, Wang D. Transgenerational Response of Germline Nuclear Hormone Receptor Genes to Nanoplastics at Predicted Environmental Doses in Caenorhabditis elegans. TOXICS 2024; 12:420. [PMID: 38922100 PMCID: PMC11209457 DOI: 10.3390/toxics12060420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 06/06/2024] [Accepted: 06/06/2024] [Indexed: 06/27/2024]
Abstract
Transgenerational nanoplastic toxicity could be detected in Caenorhabditis elegans after exposure at the parental generation (P0-G); however, the underlying mechanisms remain largely unclear. We aimed to examine the role of germline nuclear hormone receptors (NHRs) in controlling the transgenerational toxicity of polystyrene nanoparticles (PS-NPs) based on gene expression screening and functional analysis. Among germline NHR genes, daf-12, nhr-14, and nhr-47 expressions were increased and nhr-12 expression was decreased by PS-NPs (1 and 10 μg/L). Transgenerational alterations in expressions of these four NHR genes were also induced by PS-NPs (1 and 10 μg/L). RNAi of daf-12, nhr-14, and nhr-47 caused resistance, whereas RNAi of nhr-12 conferred susceptibility to transgenerational PS-NP toxicity. After PS-NP exposure, expressions of ins-3, daf-28, and ins-39 encoding insulin ligands, efn-3 encoding Ephrin ligand, and lin-44 encoding Wnt ligand, as well as expressions of their receptor genes (daf-2, vab-1, and/or mig-1), were dysregulated by the RNAi of daf-12, nhr-14, nhr-47, and nhr-12. Therefore, alteration in certain germline NHRs could mediate the induction of transgenerational nanoplastic toxicity by affecting secreted ligands and their receptors in the offspring of exposed organisms.
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Affiliation(s)
- Zhengying Liu
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Medical School, Southeast University, Nanjing 210009, China; (Z.L.); (Y.W.)
| | - Yuxing Wang
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Medical School, Southeast University, Nanjing 210009, China; (Z.L.); (Y.W.)
| | - Qian Bian
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China;
| | - Dayong Wang
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Medical School, Southeast University, Nanjing 210009, China; (Z.L.); (Y.W.)
- Shenzhen Ruipuxun Academy for Stem Cell & Regenerative Medicine, Shenzhen 518122, China
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Lim J, Shin G, Shin D. Fast Detection and Classification of Microplastics below 10 μm Using CNN with Raman Spectroscopy. Anal Chem 2024; 96:6819-6825. [PMID: 38625095 DOI: 10.1021/acs.analchem.4c00823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
In light of the growing awareness regarding the ubiquitous presence of microplastics (MPs) in our environment, recent efforts have been made to integrate Artificial Intelligence (AI) technology into MP detection. Among spectroscopic techniques, Raman spectroscopy is preferred for the detection of MP particles measuring less than 10 μm, as it overcomes the diffraction limitations encountered in Fourier transform infrared (FTIR). However, Raman spectroscopy's inherent limitation is its low scattering cross section, which often results in prolonged data collection times during practical sample measurements. In this study, we implemented a convolutional neural network (CNN) model alongside a tailored data interpolation strategy to expedite data collection for MP particles within the 1-10 μm range. Remarkably, we achieved the classification of plastic types for individual particles with a mere 0.4 s of exposure time, reaching an approximate confidence level of 85.47(±5.00)%. We postulate that the result significantly accelerates the aggregation of microplastic distribution data in diverse scenarios, contributing to the development of a comprehensive global microplastic map.
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Affiliation(s)
- Jeonghyun Lim
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 22212, Republic of Korea
| | - Gogyun Shin
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 22212, Republic of Korea
| | - Dongha Shin
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 22212, Republic of Korea
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Shao Y, Hua X, Li Y, Wang D. Comparison of reproductive toxicity between pristine and aged polylactic acid microplastics in Caenorhabditis elegans. JOURNAL OF HAZARDOUS MATERIALS 2024; 466:133545. [PMID: 38244453 DOI: 10.1016/j.jhazmat.2024.133545] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 01/05/2024] [Accepted: 01/15/2024] [Indexed: 01/22/2024]
Abstract
Caenorhabditis elegans was employed as model to compare reproductive toxicity between pristine and aged polylactic acid microplastics (PLA-MPs). Aged PLA-MPs induced by UV irradiation showed degradation reflected by decrease in size and alteration in morphological surface. Aged PLA-MPs also exhibited some certain changes of chemical properties compared to pristine PLA-MP. Compared with pristine PLA-MPs, more severe toxicity on reproductive capacity and gonad development was detected in 1-100 μg/L aged PLA-MPs. Meanwhile, aged PLA-MPs caused more severe enhancement in germline apoptosis and alterations in expressions of ced-9, ced-4, ced-3, and egl-1 governing cell apoptosis. In addition, aged PLA-MPs resulted in more severe increase in expression of DNA damage related genes (cep-1, mrt-2, hus-1, and clk-2) compared to pristine PLA-MPs, and the alterations in expression of ced-9, ced-4, ced-3, and egl-1 in pristine and aged PLA-MPs could be reversed by RNAi of cep-1, mrt-2, hus-1, and clk-2. Besides this, enhanced germline apoptosis in pristine and aged PLA-MPs exposed animals was also suppressed by RNAi of cep-1, mrt-2, hus-1, and clk-2. Therefore, our results suggested the more severe exposure risk of aged PLA-MPs than pristine PLA-MPs in causing reproductive toxicity, which was associated with the changed physicochemical properties and DNA damage induced germline apoptosis.
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Affiliation(s)
- Yuting Shao
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Xin Hua
- Medical School, Southeast University, Nanjing, China
| | - Yunhui Li
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China.
| | - Dayong Wang
- Medical School, Southeast University, Nanjing, China; Shenzhen Ruipuxun Academy for Stem Cell & Regenerative Medicine, Shenzhen, China.
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Ratchnashree SR, Karmegam N, Selvam M, Manikandan S, Deena SR, Subbaiya R, Vickram AS, Kim W, Govarthanan M. Advanced technologies for the determination of quantitative structure-activity relationships and degradation efficiency of micropollutants and their removal in water - A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166563. [PMID: 37647970 DOI: 10.1016/j.scitotenv.2023.166563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/05/2023] [Accepted: 08/23/2023] [Indexed: 09/01/2023]
Abstract
The growing concentrations of micropollutants in aquatic ecosystems are a global water quality issue. Understanding micropollutants varied chemical composition and potency is essential to solving this complex issue. Micropollutants management requires identifying contaminants to reduce, optimal reduction targets, and the best wastewater recycling locations. Management requires appropriate technological measures. Pharmaceuticals, antibiotics, hormones, and other micropollutants can enter the aquatic environment from point and diffuse sources, with wastewater treatment plants (WWTPs) distributing them in urban areas. Micropollutants like pharmaceuticals and hormones may not be removed by conventional WWTPs. Micropollutants affect the EU, especially in densely populated areas where surface water is consumed. This review examines several technological options that can be integrated into existing treatment methods to address this issue. In this work, oxidation, activated carbon, and their combinations as potential solutions, considering their efficacy and cost were evaluated. This study illuminates micropollutants origin and physico-chemical properties, which affect distribution, persistence, and environmental impacts. Understanding these factors helps us develop targeted micropollutant mitigation strategies to protect water quality. This review can inform policy and decision-making to reduce micropollutant impacts on aquatic ecosystems and human health.
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Affiliation(s)
- S R Ratchnashree
- Department of Biotechnology, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Chennai 600 095, Tamil Nadu, India
| | - N Karmegam
- PG and Research Department of Botany, Government Arts College (Autonomous), Salem 636007, Tamil Nadu, India
| | - Masilamani Selvam
- Department of Biotechnology, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Chennai 600 095, Tamil Nadu, India
| | - S Manikandan
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602 105. Tamil Nadu, India.
| | - Santhana Raj Deena
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602 105. Tamil Nadu, India
| | - R Subbaiya
- Department of Biological Sciences, School of Mathematics and Natural Sciences, The Copperbelt University, Riverside, Jambo Drive, P O Box 21692, Kitwe, Zambia.
| | - A S Vickram
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602 105. Tamil Nadu, India
| | - Woong Kim
- Department of Environmental Engineering, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - M Govarthanan
- Department of Environmental Engineering, Kyungpook National University, Daegu, 41566, Republic of Korea; Department of Biomaterials, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu 600 077, India.
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Lin YD, Huang PH, Chen YW, Hsieh CW, Tain YL, Lee BH, Hou CY, Shih MK. Sources, Degradation, Ingestion and Effects of Microplastics on Humans: A Review. TOXICS 2023; 11:747. [PMID: 37755757 PMCID: PMC10534390 DOI: 10.3390/toxics11090747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/24/2023] [Accepted: 08/30/2023] [Indexed: 09/28/2023]
Abstract
Celluloid, the predecessor to plastic, was synthesized in 1869, and due to technological advancements, plastic products appear to be ubiquitous in daily life. The massive production, rampant usage, and inadequate disposal of plastic products have led to severe environmental pollution. Consequently, reducing the employment of plastic has emerged as a pressing concern for governments globally. This review explores microplastics, including their origins, absorption, and harmful effects on the environment and humans. Several methods exist for breaking down plastics, including thermal, mechanical, light, catalytic, and biological processes. Despite these methods, microplastics (MPs, between 1 and 5 mm in size) continue to be produced during degradation. Acknowledging the significant threat that MPs pose to the environment and human health is imperative. This form of pollution is pervasive in the air and food and infiltrates our bodies through ingestion, inhalation, or skin contact. It is essential to assess the potential hazards that MPs can introduce. There is evidence suggesting that MPs may have negative impacts on different areas of human health. These include the respiratory, gastrointestinal, immune, nervous, and reproductive systems, the liver and organs, the skin, and even the placenta and placental barrier. It is encouraging to see that most of the countries have taken steps to regulate plastic particles. These measures aim to reduce plastic usage, which is essential today. At the same time, this review summarizes the degradation mechanism of plastics, their impact on human health, and plastic reduction policies worldwide. It provides valuable information for future research on MPs and regulatory development.
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Affiliation(s)
- Yan-Duan Lin
- Department of Seafood Science, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan; (Y.-D.L.); (C.-Y.H.)
| | - Ping-Hsiu Huang
- School of Food, Jiangsu Food and Pharmaceutical Science College, No.4, Meicheng Road, Higher Education Park, Huai’an 223003, China;
| | - Yu-Wei Chen
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 40227, Taiwan; (Y.-W.C.); (C.-W.H.)
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan;
| | - Chang-Wei Hsieh
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 40227, Taiwan; (Y.-W.C.); (C.-W.H.)
- Department of Medical Research, China Medical University Hospital, Taichung 40447, Taiwan
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan;
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
- College of Medicine, Chang Gung University, Taoyuan 33305, Taiwan
| | - Bao-Hong Lee
- Department of Horticulture, National Chiayi University, Chiayi 60004, Taiwan;
| | - Chih-Yao Hou
- Department of Seafood Science, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan; (Y.-D.L.); (C.-Y.H.)
| | - Ming-Kuei Shih
- Graduate Institute of Food Culture and Innovation, National Kaohsiung University of Hospitality and Tourism, Kaohsiung 812301, Taiwan
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