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Chen Z, Ma T, Liu W, Yuan G, Pan X, Zhang M, Luan X, Cui Z, Xin J. Brominated Flame Retardants (BFRs) in China Over the Past Half-Century: Stocks, Flows, Fates, and Ecological Risks. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:13613-13623. [PMID: 39051121 DOI: 10.1021/acs.est.4c00183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
China is a significant producer and consumer of various brominated flame retardants (BFRs), raising environmental concerns due to their widespread presence and potential threats to ecosystems and organisms. This study adopts a life cycle perspective, combining material flow analysis, multimedia environmental modeling, and ecological risk assessment to systematically analyze the substance metabolism and ecological risks of six BFR types in China from 1970 to 2021. The findings reveal that China's cumulative BFR consumption reached 3.3 Mt, with the electronics sector being the predominant contributor at 52.1%. Consequently, 1.5 kt of BFRs were released into the environment, with 24.9%, 31.5%, and 43.6% being discharged into the air, water, and soil, respectively. Notably, the proportion of novel BFRs in emissions has steadily increased over the years, exemplified by the increase in decabromodiphenyl ethane (DBDPE) from 21.3% in 2010 to 30.1% in 2021. Geographically, BFR concentrations are higher in the eastern and southwestern regions compared to those in the northwest. Presently, certain BFRs like tetrabromobisphenol A (TBBPA) and DBDPE exhibit moderate to high ecological risks, primarily concentrated in the Shandong and Sichuan provinces. A combination of efficient recycling, emission control, and substitution with novel flame-retardant can minimize the exposure of BFRs to the environment and organisms.
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Affiliation(s)
- Zhihui Chen
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Tengyun Ma
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Wei Liu
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
- Shandong Key Laboratory of Environmental Processes and Health, Shandong University, Qingdao 266237, China
| | - Gang Yuan
- Jiaozhou Branch, Qingdao Municipal Bureau of Ecology and Environment, Qingdao 266300, China
| | - Xin Pan
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Mingyue Zhang
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Xiaoyu Luan
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Zhaojie Cui
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Jia Xin
- School of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
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Yang X, Huang L, Zhang L, Zhu L, Cheng Y, Wang C, Kang B, Zhao S, Yang Y. Distribution and biomagnification of Hexabromocyclododecanes (HBCDs) in edible marine fish in the Beibu Gulf, China: Implication for seafood dietary risk. MARINE POLLUTION BULLETIN 2024; 206:116737. [PMID: 39053263 DOI: 10.1016/j.marpolbul.2024.116737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 07/05/2024] [Accepted: 07/14/2024] [Indexed: 07/27/2024]
Abstract
Hexabromocyclododecanes (HBCDs) are legacy additive brominated flame retardant. In present study, the distribution, biomagnification and potential human health risk associated with HBCDs were investigated in six edible marine fish species collected from three bays in the Beibu Gulf, China, between March and October 2021. The concentration of HBCDs ranged from 0.05 to 200 ng/g lipid weight (lw), with Scoliodon laticaudus and Trichiurus nanhaiensis having the highest and lowest concentration, respectively. The α-HBCD was dominant in most studied fish, expect for Scoliodon laticaudus. Dietary source was the primary factor for the diastereomeric profiles of HBCDs in fish. Only γ-HBCD demonstrated trophic magnification in the studied fish species. Finally, the estimated daily intake (EDI) was 0.18 ng/kg/day for adults, 0.17 ng/kg/day for teenager and children, and all corresponding margin of exposure (MOE) values were lager than 8 indicating relatively low human exposure risks from fish consumption.
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Affiliation(s)
- Xi Yang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Liangliang Huang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China; Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin, Guangxi 541004, China.
| | - Li Zhang
- Guangxi Key Laboratory of Beibu Gulf Marine Resources, Environment and Sustainable Development, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai, Guangxi 536009, China
| | - Liang Zhu
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Yanan Cheng
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Caiguang Wang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Bin Kang
- College of Fisheries, Ocean University of China, Qingdao, Shandong 266100, China
| | - Shuwen Zhao
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Yiheng Yang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
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Sigman-Lowery AJ, Di Toro DM, Chin YP. Estimating Octanol-Water Partition Coefficients of Novel Brominated Flame Retardants by Reversed-Phase High-Performance Liquid Chromatography and Computational Models. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024. [PMID: 39042019 DOI: 10.1002/etc.5952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 02/23/2024] [Accepted: 06/17/2024] [Indexed: 07/24/2024]
Abstract
Legacy brominated flame retardants, including polybrominated diphenyl ethers (PBDEs), have been classified as persistent organic pollutants and replaced with novel brominated flame retardants (NBFRs). The octanol-water partition coefficients (log KOW) of NBFRs have been computationally estimated, but the log KOW values provided by these methods can differ by 1 to 3 orders of magnitude. Given the importance of this parameter in fate and toxicity models, we indirectly measured the log KOW values of eight NBFRs by their capacity factor (k') on a reversed-phase high-performance liquid chromatography (HPLC) C18 column by isocratic elution and compared these measured values with those estimated by nine computational models. Log KOW values were obtained for the NBFRs 1,2-bis(2,4,6-tribromophenoxy) ethane, pentabromobenzene, pentabromoethylbenzene, pentabromotoluene, 2-ethylhexyl 2,3,4,5-tetrabromobenzoate, allyl 2,4,6-tribromophenylether, 2,3-dibromopropyl-2,4,6-tribromophenyl ether, and bis(2-ethylhexyl) tetrabromophthalate. A training set of phthalates, polychlorinated biphenyls, PBDEs, and halogenated benzenes were chosen to obtain the log k'-log KOW calibration for the NBFRs. The computational models KowWIN, XLogP3, EAS-E Suite, COSMOtherm, DirectML, and Abraham polyparameter linear free energy relationships all predicted the log KOW values of the calibration compounds to within 1 order of magnitude without significant bias. The median of these models predicted log KOW values for the calibration compounds that were close to those known in the literature with root mean square error (RMSE) = 0.224 and for the NBFRs that were close to those measured by HPLC (RMSE = 0.334). Environ Toxicol Chem 2024;00:1-10. © 2024 SETAC.
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Affiliation(s)
- Anthony J Sigman-Lowery
- Department of Civil and Environmental Engineering, University of Delaware, Newark, Delaware, USA
| | - Dominic M Di Toro
- Department of Civil and Environmental Engineering, University of Delaware, Newark, Delaware, USA
| | - Yu-Ping Chin
- Department of Civil and Environmental Engineering, University of Delaware, Newark, Delaware, USA
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Bai C, Ge X, Huang Z, Qi Z, Ren H, Yu Y, An T. Polybrominated diphenyl ethers and their alternatives in soil cores from a typical flame-retardant production park: Vertical distribution and potential influencing factors. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 359:124597. [PMID: 39047890 DOI: 10.1016/j.envpol.2024.124597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 07/12/2024] [Accepted: 07/21/2024] [Indexed: 07/27/2024]
Abstract
With the prohibition on the production and use of polybrominated diphenyl ethers (PBDEs), decabromodiphenyl ethane (DBDPE) and organophosphate flame retardants (OPFRs) have emerged as their alternatives. However, the vertical transport and associated influencing factors of these chemicals into soil are not clearly understood. To clarify the vertical distribution of the pollutants and related influencing factors, surface soil and soil core samples were collected at a depth in the range of 0.10-5.00 m in a typical 20-year-old flame-retardant production park and surrounding area. PBDEs and DBDPE show a clear point source distribution around the production park with their central concentrations up to 2.88 × 104 and 8.46 × 104 ng/g, respectively. OPFRs are mainly found in residential areas. The production conversion of PBDEs to DBDPE has obvious environmental characteristics. The vertical distribution revealed that most of the pollutants have penetrated into the soil 5.00 m or even deeper. The median concentrations of deca-BDE and DBDPE reached 50.9 and 9.85 × 103 ng/g, respectively, even at a depth of 5.00 m. Soil organic matter plays a crucial role in determining the vertical distribution, while soil clay particles have a greater impact on the high molecular weight and/or highly brominated compounds.
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Affiliation(s)
- Chifei Bai
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Xiang Ge
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Zhaofa Huang
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Zenghua Qi
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Helong Ren
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Yingxin Yu
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, PR China.
| | - Taicheng An
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, PR China
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Wu S, Qi Y, Guo Y, Zhu Q, Pan W, Wang C, Sun H. The role of iron materials in the abiotic transformation and biotransformation of polybrominated diphenyl ethers (PBDEs): A review. JOURNAL OF HAZARDOUS MATERIALS 2024; 472:134594. [PMID: 38754233 DOI: 10.1016/j.jhazmat.2024.134594] [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: 01/24/2024] [Revised: 05/04/2024] [Accepted: 05/10/2024] [Indexed: 05/18/2024]
Abstract
Polybrominated diphenyl ethers (PBDEs), widely used as flame retardants, easily enter the environment, thus posing environmental and health risks. Iron materials play a key role during the migration and transformation of PBDEs. This article reviews the processes and mechanisms of adsorption, degradation, and biological uptake and transformation of PBDEs affected by iron materials in the environment. Iron materials can effectively adsorb PBDEs through hydrophobic interactions, π-π interactions, hydrogen/halogen bonds, electrostatic interactions, coordination interactions, and pore filling interactions. In addition, they are beneficial for the photodegradation, reduction debromination, and advanced oxidation degradation and debromination of PBDEs. The iron material-microorganism coupling technology affects the uptake and transformation of PBDEs. In addition, iron materials can reduce the uptake of PBDEs in plants, affecting their bioavailability. The species, concentration, and size of iron materials affect plant physiology. Overall, iron materials play a bidirectional role in the biological uptake and transformation of PBDEs. It is necessary to strengthen the positive role of iron materials in reducing the environmental and health risks caused by PBDEs. This article provides innovative ideas for the rational use of iron materials in controlling the migration and transformation of PBDEs in the environment.
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Affiliation(s)
- Sai Wu
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yuwen Qi
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yaxin Guo
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Qing Zhu
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Weijie Pan
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Cuiping Wang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Hongwen Sun
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
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Wei L, Li J, Wang Z, Wu J, Wang S, Cai Z, Lu Y, Su C. Evaluating effects of tetrabromobisphenol A and microplastics on anaerobic granular sludge: Physicochemical properties, microbial metabolism, and underlying mechanisms. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 359:121077. [PMID: 38718604 DOI: 10.1016/j.jenvman.2024.121077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/07/2024] [Accepted: 04/30/2024] [Indexed: 05/22/2024]
Abstract
Tetrabromobisphenol A (TBBPA) and microplastics are emerging contaminants of widespread concern. However, little is known about the effects of combined exposure to TBBPA and microplastics on the physicochemical properties and microbial metabolism of anaerobic granular sludge. This study investigated the effects of TBBPA, polystyrene microplastics (PS MP) and polybutylene succinate microplastics (PBS MP) on the physicochemical properties, microbial communities and microbial metabolic levels of anaerobic granular sludge. The results showed that chemical oxygen demand (COD) removal of sludge was lowest in the presence of TBBPA alone and PS MP alone with 33.21% and 30.06%, respectively. The microorganisms promoted the secretion of humic substances under the influence of TBBPA, PS MP and PBS MP. The lowest proportion of genes controlling glycolytic metabolism in sludge was 1.52% when both TBBPA and PS MP were added. Microbial reactive oxygen species were increased in anaerobic granular sludge exposed to MPS. In addition, TBBPA treatment decreased electron transfer of the anaerobic granular sludge and disrupted the pathway of anaerobic microorganisms in acquiring adenosine triphosphate, and MPs attenuated the negative effects of TBBPA on the acetate methanogenesis process of the anaerobic granular sludge. This study provides a reference for evaluating the impact of multiple pollutants on anaerobic granular sludge.
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Affiliation(s)
- Lixin Wei
- Guangxi Key Laboratory of Environmental Processes and Remediation in Ecologically Fragile Regions, Guangxi Normal University, 15 Yucai Road, Guilin, 541004, PR China
| | - Junjian Li
- Guangxi Key Laboratory of Environmental Processes and Remediation in Ecologically Fragile Regions, Guangxi Normal University, 15 Yucai Road, Guilin, 541004, PR China
| | - Zi Wang
- Guangxi Key Laboratory of Environmental Processes and Remediation in Ecologically Fragile Regions, Guangxi Normal University, 15 Yucai Road, Guilin, 541004, PR China
| | - Jinyan Wu
- Guangxi Key Laboratory of Environmental Processes and Remediation in Ecologically Fragile Regions, Guangxi Normal University, 15 Yucai Road, Guilin, 541004, PR China
| | - Shuying Wang
- Guangxi Key Laboratory of Environmental Processes and Remediation in Ecologically Fragile Regions, Guangxi Normal University, 15 Yucai Road, Guilin, 541004, PR China
| | - Zhexiang Cai
- Guangxi Key Laboratory of Environmental Processes and Remediation in Ecologically Fragile Regions, Guangxi Normal University, 15 Yucai Road, Guilin, 541004, PR China
| | - Yuxiang Lu
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, 15 Yucai Road, Guilin, 541004, PR China
| | - Chengyuan Su
- Guangxi Key Laboratory of Environmental Processes and Remediation in Ecologically Fragile Regions, Guangxi Normal University, 15 Yucai Road, Guilin, 541004, PR China; Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, 15 Yucai Road, Guilin, 541004, PR China.
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Wang H, Sang J, Ji Z, Yu Y, Wang S, Zhu Y, Li H, Wang Y, Ge RS. Halogenated bisphenol A derivatives potently inhibit human and rat 11β-hydroxysteroid dehydrogenase 1: Structure-activity relationship and molecular docking. ENVIRONMENTAL TOXICOLOGY 2024; 39:2560-2571. [PMID: 38189224 DOI: 10.1002/tox.24124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 08/24/2023] [Accepted: 12/25/2023] [Indexed: 01/09/2024]
Abstract
Chlorinated bisphenol A (BPA) derivatives are formed during chlorination process of drinking water, whereas bisphenol S (BPS) and brominated BPA and BPS (TBBPA and TBBPS) were synthesized for many industrial uses such as fire retardants. However, the effect of halogenated BPA and BPS derivatives on glucocorticoid metabolizing enzyme 11β-hydroxysteroid dehydrogenase 1 (11β-HSD1) remains unclear. The inhibitory effects of 6 BPA derivatives in the inhibition of human and rat 11β-HSD1 were investigated. The potencies for inhibition on human 11β-HSD1 were TBBPA (IC50, 3.87 μM) = monochloro BPA (MCBPA, 4.08 μM) = trichloro BPA (TrCBPA, 4.41 μM) > tetrachloro BPA (TCBPA, 9.75 μM) > TBBPS (>100 μM) = BPS (>100 μM), and those for rat 11β-HSD1 were TrCBPA (IC50, 2.76 μM) = MCBPA (3.75 μM) > TBBPA (39.58 μM) > TCBPA = TBBPS = BPS. All these BPA derivatives are mixed/competitive inhibitors of both human and rat enzymes. Molecular docking studies predict that MCBPA, TrCBPA, TCBPA, and TBBPA all bind to the active site of human 11β-HSD1, forming hydrogen bonds with catalytic residue Ser170 except TCBPA. Regression of the lowest binding energy with IC50 values revealed a significant inverse linear regression. In conclusion, halogenated BPA derivatives are mostly potent inhibitors of human and rat 11β-HSD1, and there is structure-dependent inhibition.
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Affiliation(s)
- Hong Wang
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Key Laboratory of Structural Malformations in Children of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jianmin Sang
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhongyao Ji
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yang Yu
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Shaowei Wang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yang Zhu
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Huitao Li
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yiyan Wang
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ren-Shan Ge
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Key Laboratory of Structural Malformations in Children of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
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Collard F, Tulatz F, Harju M, Herzke D, Bourgeon S, Gabrielsen GW. Can plastic related chemicals be indicators of plastic ingestion in an Arctic seabird? CHEMOSPHERE 2024; 355:141721. [PMID: 38522675 DOI: 10.1016/j.chemosphere.2024.141721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/12/2024] [Accepted: 03/13/2024] [Indexed: 03/26/2024]
Abstract
For decades, the northern fulmar (Fulmarus glacialis) has been found to ingest and accumulate high loads of plastic due to its feeding ecology and digestive tract morphology. Plastic ingestion can lead to both physical and toxicological effects as ingested plastics can be a pathway for hazardous chemicals into seabirds' tissues. Many of these contaminants are ubiquitous in the environment and the contribution of plastic ingestion to the uptake of those contaminants in seabirds' tissues is poorly known. In this study we aimed at quantifying several plastic-related chemicals (PRCs) -PBDE209, several dechloranes and several phthalate metabolites- and assessing their relationship with plastic burdens (both mass and number) to further investigate their potential use as proxies for plastic ingestion. Blood samples from fulmar fledglings and liver samples from both fledgling and non-fledgling fulmars were collected for PRC quantification. PBDE209 and dechloranes were quantified in 39 and 33 livers, respectively while phthalates were quantified in plasma. Plastic ingestion in these birds has been investigated previously and showed a higher prevalence in fledglings. PBDE209 was detected in 28.2 % of the liver samples. Dechlorane 602 was detected in all samples while Dechloranes 601 and 604 were not detected in any sample. Dechlorane 603 was detected in 11 individuals (33%). Phthalates were detected in one third of the analysed blood samples. Overall, no significant positive correlation was found between plastic burdens and PRC concentrations. However, a significant positive relationship between PBDE209 and plastic number was found in fledglings, although likely driven by one outlier. Our study shows the complexity of PRC exposure, the timeline of plastic ingestion and subsequent uptake of PRCs into the tissues in birds, the additional exposure of these chemicals via their prey, even in a species ingesting high loads of plastic.
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Affiliation(s)
- France Collard
- Norwegian Polar Institute (NPI), Fram Centre, N-9296, Tromsø, Norway; Norwegian Institute for Water Research (NIVA), Fram Centre, N-9296, Tromsø, Norway.
| | - Felix Tulatz
- Norwegian Polar Institute (NPI), Fram Centre, N-9296, Tromsø, Norway
| | - Mikael Harju
- The Climate and Environmental Research Institute (NILU), Fram Centre, N-9296, Tromsø, Norway
| | - Dorte Herzke
- The Climate and Environmental Research Institute (NILU), Fram Centre, N-9296, Tromsø, Norway
| | - Sophie Bourgeon
- Department of Arctic and Marine Biology, The Arctic University of Norway (UiT), N-9037, Tromsø, Norway
| | - Geir W Gabrielsen
- Norwegian Polar Institute (NPI), Fram Centre, N-9296, Tromsø, Norway
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Keshu, Rani M, Shanker U. Synthesis and characterization of novel guar gum based waste material derived nanocomposite for effective removal of hexabromocyclododecane and lindane. Int J Biol Macromol 2024; 268:131535. [PMID: 38631586 DOI: 10.1016/j.ijbiomac.2024.131535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 04/01/2024] [Accepted: 04/09/2024] [Indexed: 04/19/2024]
Abstract
Herein, efficient degradation of hexabromocyclododecane (HBCD) and Lindane, a persistent organic pollutant using guar gum based calcium oxide doped silicon dioxide (GG-CaO@SiO2) has been reported. The nanocomposite was prepared by waste egg shell (CaO) and rice husk (SiO2) was well characterized. The maximum degradation of HBCD and Lindane were observed at 8 mg catalyst loading, neutral pH, and 2 mg L-1 of pollutant amount. The photocatalytic performance of GG-CaO@SiO2 for HBCD and Lindane photodegradation was evaluated, and it was found that the rate constant increased in the order of GG-CaO@SiO2 > CaO@SiO2 > GG. The polymeric GG-CaO@SiO2 nanocomposite showed maximum removal of both pollutants due to higher surface area (70 m2 g-1) and synergistic interactions among GG moieties. It achieved HBCD and Lindane elimination rates of 94 % and 90 % by photo-adsorptive degradation within 150 min. Meanwhile, the leaching of HBCD from expanded polystyrene (EPS) materials (0.14 ± 0.05 ppm) underwater with different time intervals and degradation of leachate HBCD were also assessed. The eradication of the pollutant manifested first-order kinetics, with the Langmuir adsorption. LC-MS analysis confirmed that GG-CaO@SiO2 effectively breaks down complex structure toxic pollutants into safer metabolites under natural sunlight exposure. The polymeric GG-CaO@SiO2 nanocomposite showed notable reusability up to ten cycle promotes sustainability.
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Affiliation(s)
- Keshu
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology Jalandhar, Jalandhar 144008, Punjab, India; Department of Chemistry, Malaviya National Institute of Technology Jaipur, Jaipur 302017, Rajasthan, India
| | - Manviri Rani
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology Jalandhar, Jalandhar 144008, Punjab, India.
| | - Uma Shanker
- Department of Chemistry, Malaviya National Institute of Technology Jaipur, Jaipur 302017, Rajasthan, India.
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10
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Wu Y, Fernie KJ, Letcher RJ, Clark KE, Park JS, Watts BD, Barber PM, Chen D. Exposure of Peregrine Falcons to Halogenated Flame Retardants: A 30 Year Retrospective Biomonitoring Study across North America. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:7154-7164. [PMID: 38590004 DOI: 10.1021/acs.est.3c10907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Compared to aquatic ecosystem, terrestrial systems have been subjected to fewer investigations on the exposure to halogenated flame retardants (HFRs). Our study utilized peregrine falcon eggs collected from multiple habitats across North America to retrospectively explore both spatial distribution and temporal changes in legacy (e.g., polybrominated diphenyl ethers) and alternative HFRs over a 30 year period (1984-2016). The results reveal intensive HFR exposure in terrestrial ecosystems and chemical-specific spatiotemporal distribution patterns. The correlations between egg levels of the selected HFRs and human population density clearly illustrated a significant urban influence on the exposure of this wildlife species to these HFRs and subsequent maternal transfer to their eggs. Temporal analyses suggest that, unlike aquatic systems, terrestrial ecosystems may undergo continual exposure to consistently high levels of legacy HFRs for a long period of time. Our findings collectively highlight the effectiveness of using peregrine eggs to monitor terrestrial exposure to HFRs and other bioaccumulative chemicals and the need for continuous monitoring of HFRs in terrestrial ecosystems.
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Affiliation(s)
- Yan Wu
- Key Laboratory of Geographic Information Science (Ministry of Education), School of Geographic Sciences, East China Normal University, Shanghai 200241, China
| | - Kim J Fernie
- Ecotoxicology and Wildlife Health Division, Environment and Climate Change Canada, Burlington, Ontario L7S 1A1, Canada
| | - Robert J Letcher
- Ecotoxicology and Wildlife Health Division, Environment and Climate Change Canada, National Wildlife Research Centre, Carleton University, Ottawa, Ontario K1A 0H3, Canada
| | - Kathleen E Clark
- New Jersey Division of Fish and Wildlife, Endangered and Nongame Species Program, Woodbine, New Jersey 08270, United States
| | - June-Soo Park
- California Environmental Protection Agency, Department of Toxic Substances Control, Environmental Chemistry Laboratory, Berkeley, California 94710, United States
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, San Francisco, California 94143, United States
| | - Bryan D Watts
- Center for Conservation Biology, The College of William and Mary, Williamsburg, Virginia 23185, United States
| | - Patricia M Barber
- Pennsylvania Game Commission, Harrisburg, Pennsylvania 17110, United States
| | - Da Chen
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, Guangdong 510632, China
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11
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Luo M, Song C, Zuo J, Feng W, Wu C, Geng X, Okeke ES, Mao G, Chen Y, Zhao T, Wu X. Neurodevelopmental toxicity and molecular mechanism of environmental concentration of tetrabromobisphenol A bis (2- hydroxyethyl) ether exposure to sexually developing male SD rats. CHEMOSPHERE 2024; 353:141378. [PMID: 38442777 DOI: 10.1016/j.chemosphere.2024.141378] [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: 10/14/2023] [Revised: 01/25/2024] [Accepted: 02/02/2024] [Indexed: 03/07/2024]
Abstract
Tetrabromobisphenol A bis (2- hydroxyethyl) ether (TBBPA-DHEE), as one of the main derivatives of Tetrabromobisphenol A, been attracted attention for its health risks. In this study, the neurotoxicity, mechanism, and susceptivity of TBBPA-DHEE exposure to sexually developing male rats were systematically studied. Neurobehavioral research showed that TBBPA-DHEE exposure could significantly affect the behavior, learning,and memory abilities of male-developing rats, and aggravate their depression. TBBPA-DHEE exposure could inhibit the secretion of neurotransmitters. Transcriptomics studies show that TBBPA-DHEE can significantly affect gene expression, and a total of 334 differentially expressed genes are enriched. GO function enrichment analysis shows that TBBPA-DHEE exposure can significantly affect the expression of genes related to synapses and cell components. KEGG function enrichment analysis shows that TBBPA-DHEE exposure can significantly affect the expression of signal pathways related to nerves, nerve development, and signal transduction. Susceptibility analysis showed that female rats were more susceptible to TBBPA-DHEE exposure than male rats. Therefore, TBBPA-DHEE exposure has neurodevelopmental toxicity to male developmental rats, and female developmental rats are more susceptible than male developmental rats. Its possible molecular mechanism is that TBBPA-DHEE may inhibit the secretion of neurotransmitters and affect signal pathways related to neurodevelopment and signal transduction.
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Affiliation(s)
- Mengna Luo
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China
| | - Chang Song
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China
| | - Jiali Zuo
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China
| | - Weiwei Feng
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China
| | - Chaoqiong Wu
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China
| | - Xin Geng
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China
| | - Emmanuel Sunday Okeke
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China; Department of Biochemistry, Faculty of Biological Sciences & Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria
| | - Guanghua Mao
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China
| | - Yao Chen
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China
| | - Ting Zhao
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China
| | - Xiangyang Wu
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013, Zhenjiang, Jiangsu, China.
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12
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Sun CS, Yuan SW, Hou R, Zhang SQ, Huang QY, Lin L, Li HX, Liu S, Cheng YY, Li ZH, Xu XR. First insights into the bioaccumulation, biotransformation and trophic transfer of typical tetrabromobisphenol A (TBBPA) analogues along a simulated aquatic food chain. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133390. [PMID: 38163409 DOI: 10.1016/j.jhazmat.2023.133390] [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: 10/18/2023] [Revised: 11/28/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
Tetrabromobisphenol A (TBBPA) analogues have been investigated for their prevalent occurrence in environments and potential hazardous effects to humans and wildlife; however, there is still limited knowledge regarding their toxicokinetics and trophic transfer in aquatic food chains. Using a developed toxicokinetic model framework, we quantified the bioaccumulation, biotransformation and trophic transfer of tetrabromobisphenol S (TBBPS) and tetrabromobisphenol A di(allyl ether) (TBBPA-DAE) during trophic transfer from brine shrimp (Artemia salina) to zebrafish (Danio rerio). The results showed that the two TBBPA analogues could be readily accumulated by brine shrimp, and the estimated bioconcentration factor (BCF) value of TBBPS (5.68 L kg-1 ww) was higher than that of TBBPA-DAE (1.04 L kg-1 ww). The assimilation efficiency (AE) of TBBPA-DAE in zebrafish fed brine shrimp was calculated to be 16.3%, resulting in a low whole-body biomagnification factor (BMF) in fish (0.684 g g-1 ww). Based on the transformation products screened using ultra-high-performance liquid chromatograph-high resolution mass spectrometry (UPLC-HRMS), oxidative debromination and hydrolysis were identified as the major transformation pathways of TBBPS, while the biotransformation of TBBPA-DAE mainly took place through ether bond breaking and phase-II metabolism. Lower accumulation of TBBPA as a metabolite than its parent chemical was observed in both brine shrimp and zebrafish, with metabolite parent concentration factors (MPCFs) < 1. The investigated BCFs for shrimp of the two TBBPA analogues were only 3.77 × 10-10 - 5.59 × 10-3 times of the theoretical Kshrimp-water based on the polyparameter linear free energy relationships (pp-LFERs) model, and the BMF of TBBPA-DAE for fish was 0.299 times of the predicted Kshrimp-fish. Overall, these results indicated the potential of the trophic transfer in bioaccumulation of specific TBBPA analogues in higher trophic-level aquatic organisms and pointed out biotransformation as an important mechanism in regulating their bioaccumulation processes. ENVIRONMENTAL IMPLICATION: The internal concentration of a pollutant in the body determines its toxicity to organisms, while bioaccumulation and trophic transfer play important roles in elucidating its risks to ecosystems. Tetrabromobisphenol A (TBBPA) analogues have been extensively investigated for their adverse effects on humans and wildlife; however, there is still limited knowledge regarding their toxicokinetics and trophic transfer in aquatic food chains. This study investigated the bioaccumulation, biotransformation and trophic transfer of TBBPS and TBBPA-DAE in a simulated di-trophic food chain. This state-of-art study will provide a reference for further research on this kind of emerging pollutant in aquatic environments.
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Affiliation(s)
| | - Sheng-Wu Yuan
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Rui Hou
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China.
| | - Si-Qi Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Qian-Yi Huang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Lang Lin
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Heng-Xiang Li
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou, China
| | - Shan Liu
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou, China
| | - Yuan-Yue Cheng
- State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai 264209, China.
| | - Xiang-Rong Xu
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou, China
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13
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Zheng J, Chen S, Lu H, Xia M, Wang S, Li X, Li H, Wang Y, Ge RS, Liu Y. Enhanced inhibition of human and rat aromatase activity by benzene ring substitutions in bisphenol A: QSAR structure-activity relationship and in silico docking analysis. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133252. [PMID: 38128231 DOI: 10.1016/j.jhazmat.2023.133252] [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: 09/02/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023]
Abstract
Bisphenol A (BPA) is a widely used plastic material, but its potential endocrine disrupting effect has restricted its use. The BPA alternatives have raised concerns. This study aimed to compare inhibitory potencies of 11 BPA analogues on human and rat placental aromatase (CYP19A1). The inhibitory potency on human CYP19A1 ranged from bisphenol H (IC50, 0.93 μM) to tetramethyl BPA and tetrabromobisphenol S (ineffective at 100 μM) when compared to BPA (IC50, 73.48 μM). Most of them were mixed/competitive inhibitors and inhibited estradiol production in human BeWo cells. Molecular docking analysis showed all BPA analogues bind to steroid active site or in between steroid and heme of CYP19A1 and form a hydrogen bond with catalytic residue Met374. Pharmacophore analysis showed that there were 4 hydrophobic regions for BPA analogues, with bisphenol H occupying 4 regions. Bivariate correlation analysis showed that LogP (lipophilicity) and LogS (water solubility) of BPA analogues were correlated with their IC50 values. Computerized drug metabolism and pharmacokinetics analysis showed that bisphenol H, tetrabromobisphenol A, and tetrachlorobisphenol A had low solubility, which might explain their weaker inhibition on estradiol production on BeWo cells. In conclusion, BPA analogues mostly can inhibit CYP19A1 and the lipophilicity determines their inhibitory strength.
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Affiliation(s)
- Jingyi Zheng
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang, China
| | - Sailing Chen
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang, China
| | - Han Lu
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang, China
| | - Miaomiao Xia
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang, China
| | - Shaowei Wang
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang, China
| | - Xiaoheng Li
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang, China
| | - Huitao Li
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang, China
| | - Yiyan Wang
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang, China.
| | - Ren-Shan Ge
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang, China.
| | - Yi Liu
- Department of Gynecology and Obstetrics, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China.
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14
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Boitsov S, Frantzen S, Bruvold A, Grøsvik BE. Varying temporal trends in the levels of six groups of legacy persistent organic pollutants (POPs) in liver of three gadoid species from the North Sea. CHEMOSPHERE 2024; 349:140939. [PMID: 38101477 DOI: 10.1016/j.chemosphere.2023.140939] [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: 10/06/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/17/2023]
Abstract
From 2005 to 2019, three gadoid species, Atlantic cod (Gadus morhua), haddock (Melanogrammus aeglefinus) and saithe (Pollachius virens), were sampled approximately every third year in the northeastern part of the North Sea. Liver samples were analyzed to investigate levels and temporal trends of six groups of persistent organic pollutants (POPs): polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroethane (DDT) and its degradation products, hexachlorocyclohexanes (HCHs), hexachlorobenzene (HCB), trans-nonachlor (TNC), and polybrominated diphenyl ethers (PBDEs). Some of the highest average concentrations were found in cod, the levels otherwise being similar between the three species and mostly below established threshold values. The levels of all the contaminants except HCB and TNC were higher than previously reported for cod and haddock in the Barents Sea. Significantly decreasing levels were found for Σ7PCBs, ΣDDTs, ΣHCHs and Σ15PBDEs in all three species, and for TNC in haddock and saithe, while there was no significant trend for TNC in cod. HCB levels increased significantly in cod and haddock and showed only a minor decrease in saithe. The observed time trends of legacy POPs demonstrate the persistence of some of the studied pollutants despite efforts to eliminate them from the marine environment.
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Affiliation(s)
- Stepan Boitsov
- Institute of Marine Research, P.O. Box 1870, Nordnes, N-5817, Bergen, Norway.
| | - Sylvia Frantzen
- Institute of Marine Research, P.O. Box 1870, Nordnes, N-5817, Bergen, Norway.
| | - Are Bruvold
- Institute of Marine Research, P.O. Box 1870, Nordnes, N-5817, Bergen, Norway; Department of Chemistry, University of Bergen, P.O. Box 7803, N-5020 Bergen, Norway.
| | - Bjørn Einar Grøsvik
- Institute of Marine Research, P.O. Box 1870, Nordnes, N-5817, Bergen, Norway.
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15
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Folarin BT, Poma G, Yin S, Altamirano JC, Oluseyi T, Badru G, Covaci A. Assessment of legacy and alternative halogenated organic pollutants in outdoor dust and soil from e-waste sites in Nigeria: Concentrations, patterns, and implications for human exposure. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 342:123032. [PMID: 38036088 DOI: 10.1016/j.envpol.2023.123032] [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: 09/15/2023] [Revised: 11/10/2023] [Accepted: 11/21/2023] [Indexed: 12/02/2023]
Abstract
E-waste is often processed informally, particularly in developing countries, resulting in the release of harmful chemicals into the environment. This study investigated the co-occurrence of selected persistent organic pollutants (POPs), including legacy and alternative halogenated flame retardants (10 polybrominated diphenyl ethers (PBDEs), decabromodiphenyl ethane (DBDPE), syn and anti-dechlorane plus (DP)), 32 polychlorinated biphenyls (PCBs) and 12 organochlorine pesticides (OCPs), in 20 outdoor dust and 49 soil samples from 7 e-waste sites in Nigeria. This study provides the first report on alternative flame retardants (DBDPE and DP) in Nigeria. The total concentration range of the selected classes of compounds was in the order: ∑10PBDEs (44-12300 ng/g) > DBDPE (4.9-3032 ng/g) > ∑2DP (0.7-278 ng/g) > ∑32PCBs (4.9-148 ng/g) > ∑12OCPs (1.9-25 ng/g) for dust, and DBDPE (4.9-9647 ng/g) > ∑10PBDEs (90.3-7548 ng/g) > ∑32PCBs (6.1-5025 ng/g) > ∑12OCPs (1.9-250 ng/g) > ∑2DP (2.1-142 ng/g) for soil. PBDEs were the major contributors to POP pollution at e-waste dismantling sites, while PCBs were the most significant contributors at e-waste dumpsites. DBDPE was found to be significantly associated with pollution at both e-waste dismantling and dumpsites. Estimated daily intake (EDI) via dust and soil ingestion and dermal adsorption routes ranged from 1.3 to 2.8 ng/kg bw/day and 0.2-2.9 ng/kg bw/day, respectively. In the worst-case scenario, EDI ranged from 2.9 to 10 ng/kg bw/day and 0.8-5.8 ng/kg bw/day for dust and soil, respectively. The obtained intake levels posed no non-carcinogenic risk, but could increase the incidence of cancer at some of the studied e-waste sites, with values exceeding the USEPA cancer risk lower limit (1.0 × 10-6). Overall, our results suggest that e-waste sites act as emission point sources of POPs.
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Affiliation(s)
- Bilikis T Folarin
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium; Department of Chemistry, University of Lagos, Lagos State, Nigeria; Chemistry Department, Chrisland University, Ogun State, 23409, Nigeria
| | - Giulia Poma
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Shanshan Yin
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium; Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou, 310015, China.
| | - Jorgelina C Altamirano
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium; Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales (IANIGLA), CONICET-UNCuyo-Government of Mendoza, P.O. Box. 331, (5500), Mendoza, Argentina; Universidad Nacional de Cuyo, Facultad de Ciencias Exactas y Naturales, (5500), Mendoza, Argentina
| | - Temilola Oluseyi
- Department of Chemistry, University of Lagos, Lagos State, Nigeria
| | - Gbolahan Badru
- Department of Geographical and Environmental Education, Lagos State University of Education, Oto-Ijanikin, Lagos State, Nigeria
| | - Adrian Covaci
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
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16
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Rasmussen SL, Pertoldi C, Roslev P, Vorkamp K, Nielsen JL. A Review of the Occurrence of Metals and Xenobiotics in European Hedgehogs ( Erinaceus europaeus). Animals (Basel) 2024; 14:232. [PMID: 38254401 PMCID: PMC10812797 DOI: 10.3390/ani14020232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/23/2023] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Monitoring data from several European countries indicate that European hedgehog (Erinaceus europaeus) populations are declining, and research exploring the causes of the decline, including exposure to potentially harmful xenobiotics and metals, may inform conservation initiatives to protect this species in the wild. Hedgehogs are ground-dwelling mammals, feeding on a range of insects, slugs, snails, and earthworms, as well as eggs, live vertebrates, and carrion, including carcasses of apex predator species representing higher levels of the food chain. Consequently, hedgehogs come into close contact with contaminants present in their habitats and prey. This review investigated the studies available on the subject of the occurrence of metals and organic xenobiotics in hedgehogs. This study found that a vast range of different pesticides; persistent organic pollutants (POPs), including organochlorine compounds and brominated flame retardants (BFRs); as well as toxic heavy metals could be detected. Some compounds occurred in lethal concentrations, and some were associated with a potential adverse effect on hedgehog health and survival. Due to their ecology, combined with the opportunity to apply non-invasive sampling techniques using spines as sampling material, we suggest that the European hedgehog is a relevant bioindicator species for monitoring the exposure of terrestrial wildlife to potential toxicants in urban and rural environments.
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Affiliation(s)
- Sophie Lund Rasmussen
- Wildlife Conservation Research Unit, The Recanati-Kaplan Centre, Department of Biology, University of Oxford, Tubney House, Tubney, Abingdon OX13 5QL, UK
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg, Denmark; (C.P.); (P.R.); (J.L.N.)
- Linacre College, University of Oxford, St. Cross Road, Oxford OX1 3JA, UK
| | - Cino Pertoldi
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg, Denmark; (C.P.); (P.R.); (J.L.N.)
- Aalborg Zoo, 9000 Aalborg, Denmark
| | - Peter Roslev
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg, Denmark; (C.P.); (P.R.); (J.L.N.)
| | - Katrin Vorkamp
- Department of Environmental Science, Aarhus University, 4000 Roskilde, Denmark;
| | - Jeppe Lund Nielsen
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg, Denmark; (C.P.); (P.R.); (J.L.N.)
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17
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Yuan Y, Zhuang Y, Cui Y, Liu Y, Zhang Q, Xiao Q, Meng Q, Jiang J, Hao W, Wei X. IL-10-TG/TPO-T4 axis, the target of bis (2-ethylhexyl) tetrabromophthalate on thyroid function imbalance. Toxicology 2024; 501:153713. [PMID: 38135142 DOI: 10.1016/j.tox.2023.153713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/10/2023] [Accepted: 12/17/2023] [Indexed: 12/24/2023]
Abstract
Bis (2-ethylhexyl) tetrabromophthalate (TBPH) is a new type of brominated flame retardant. Some studies suggest that TBPH exposure may be associated with thyroid damage. However, there is a paucity of research on the authentic exposure-related effects and molecular mechanisms in animals or cells. In this study, we used male Sprague-Dawley (SD) rats and the Nthy ori3-1 cell line (the human thyroid follicular epithelial cell) to explore the potential effects of TBPH (5, 50, 500 mg/kg and 1, 10, 100 nM) on the thyroid. The genes and their proteins of cytokines and thyroid-specific proteins, thyroglobulin (TG), thyroid peroxidase (TPO), and sodium iodide cotransporter (NIS) were examined to investigate the possible mechanisms. At the end of the experiment, it was found that 50 and 500 mg/kg TBPH could increase the levels of total thyroxine (TT4) and free thyroxine (FT4) significantly. The messenger RNAs (mRNAs) of Tg, Tpo, Interleukin-6 (Il6), and Interleukin-10 (Il10) in the thyroid tissues from the rats treated with 500 mg/kg were enhanced clearly. Meanwhile, the mRNAs of TG, TPO, IL6, and IL10 were elevated in Nthy ori3-1 cells treated with 100 nM TBPH as well. The mRNAs of TG and TPO were elevated after the knockdown of IL6. To our surprise, after the knockdown of IL10 or the treatment of anti-IL-10-receptor (anti-IL-10-R) antibody, the mRNAs of TG and TPO were significantly reduced, and the effects of TBPH were diminished. In conclusion, our results suggested that the IL-10-IL-10R-TG/TPO-T4 axis is one important target of TBPH in the thyroid.
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Affiliation(s)
- Yuese Yuan
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Yimeng Zhuang
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Yuan Cui
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Yuetong Liu
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Qiong Zhang
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Qianqian Xiao
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Qinghe Meng
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Jianjun Jiang
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Weidong Hao
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Xuetao Wei
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China.
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18
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van der Schyff V, Kalina J, Abballe A, Iamiceli AL, Govarts E, Melymuk L. Has Regulatory Action Reduced Human Exposure to Flame Retardants? ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:19106-19124. [PMID: 37992205 PMCID: PMC10702444 DOI: 10.1021/acs.est.3c02896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/10/2023] [Accepted: 09/29/2023] [Indexed: 11/24/2023]
Abstract
Flame retardant (FR) exposure has been linked to several environmental and human health effects. Because of this, the production and use of several FRs are regulated globally. We reviewed the available records of polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecanes (HBCDDs) in human breast milk from literature to evaluate the efficacy of regulation to reduce the exposure of FRs to humans. Two-hundred and seven studies were used for analyses to determine the spatial and temporal trends of FR exposure. North America consistently had the highest concentrations of PBDEs, while Asia and Oceania dominated HBCDD exposure. BDE-49 and -99 indicated decreasing temporal trends in most regions. BDE-153, with a longer half-life than the aforementioned isomers, typically exhibited a plateau in breast milk levels. No conclusive trend could be established for HBCDD, and insufficient information was available to determine a temporal trend for BDE-209. Breakpoint analyses indicated a significant decrease in BDE-47 and -99 in Europe around the time that regulation has been implemented, suggesting a positive effect of regulation on FR exposure. However, very few studies have been conducted globally (specifically in North America) after 2013, during the time when the most recent regulations have been implemented. This meta-analysis provides insight into global trends in human exposure to PBDEs and HBCDD, but the remaining uncertainty highlights the need for ongoing evaluation and monitoring, even after a compound group is regulated.
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Affiliation(s)
| | - Jiří Kalina
- RECETOX,
Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech
Republic
| | - Annalisa Abballe
- Department
of Environment and Health, Italian National
Institute for Health, Viale Regina Elena 299, 00161 Rome, Italy
| | - Anna Laura Iamiceli
- Department
of Environment and Health, Italian National
Institute for Health, Viale Regina Elena 299, 00161 Rome, Italy
| | - Eva Govarts
- VITO
Health, Flemish Institute for Technological
Research (VITO), 2400 Mol, Belgium
| | - Lisa Melymuk
- RECETOX,
Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech
Republic
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19
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Zhao J, Zhao H, Zhong Z, Bekele TG, Wan H, Sun Y, Li X, Zhang X, Li Z. The bioaccumulation and biotransformation of tetrabromobisphenol A bis (allyl ether) in common carp (Cyprinus carpio). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:121465-121474. [PMID: 37950125 DOI: 10.1007/s11356-023-30846-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 10/30/2023] [Indexed: 11/12/2023]
Abstract
Tetrabromobisphenol A bis (allyl ether) (TBBPA-BAE) is an extensively used brominated flame retardant, which has raised considerable concern because of its neurotoxic and endocrine disruption effects on aquatic organisms. However, previous studies mainly focused on the parent compound before modification, tetrabromobisphenol A (TBBPA), and little information is available about the bioconcentration and biotransformation of TBBPA derivatives in fish. In this study, we investigated the tissue-specific uptake, elimination kinetic, and biotransformation of TBBPA-BAE in common carp (Cyprinus carpio). The fish were exposed to TBBPA-BAE at environmentally relevant concentrations (20 μg·L-1) for 28 days, followed by 14 days of depuration. The results showed TBBPA-BAE could rapidly accumulate in common carp. Among the seven tissues studied, the highest concentrations of TBBPA-BAE were observed in the liver (6.00 μg·g-1 wet weight [ww]) on day 24, while the longest residence time was observed in the kidney (t1/2 values of 18.7 days). Biotransformation of TBBPA-BAE was documented in the in vivo experiments, and 14 different phase I and phase II metabolites were identified in the liver. These findings suggest the biotransformation products of TBBPA-BAE should be considered for a comprehensive risk evaluation.
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Affiliation(s)
- Jia Zhao
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Hongxia Zhao
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China.
| | - Zhihui Zhong
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Tadiyose Girma Bekele
- Department of Biology, Eastern Nazarene College, 23 East Elm Avenue, Quincy, Massachusetts, 02170, USA
| | - Huihui Wan
- Instrumental Analysis Center, Dalian University of Technology, Dalian, 116024, China
| | - Yuming Sun
- Instrumental Analysis Center, Dalian University of Technology, Dalian, 116024, China
| | - Xintong Li
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Xiaonuo Zhang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Zhansheng Li
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
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20
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Lee JD, Chiou TH, Zhang HJ, Chao HR, Chen KY, Gou YY, Huang CE, Lin SL, Wang LC. Persistent Halogenated Organic Pollutants in Deep-Water-Deposited Particulates from South China Sea. TOXICS 2023; 11:968. [PMID: 38133369 PMCID: PMC10748163 DOI: 10.3390/toxics11120968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/22/2023] [Accepted: 11/23/2023] [Indexed: 12/23/2023]
Abstract
POP data are limited in the marine environment; thus, this study aimed to investigate background persistent organic pollutant (POP) levels in oceanic deep-water-deposited particulates in the South China Sea (SCS). Six POPs, including polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDD/Fs), dioxin-like polychlorinated biphenyls (DL-PCBs), polybrominated diphenyl ethers (PBDEs), polybrominated dibenzo-p-dioxins/dibenzofurans (PBDD/Fs), polychlorinated diphenyl ethers (PCDEs), and polybrominated biphenyls (PBBs), were investigated in eight pooled samples from the SCS from 20 September 2013 to 23 March 2014 and 15 April 2014 to 24 October 2014 at depths of 2000 m and 3500 m. PBDEs were the most predominant compounds, with the highest mean Σ14PBDE of 125 ± 114 ng/g dry weight (d.w.), followed by Σ17PCDD/F, Σ12PBDD/F, and Σ12DL-PCB (275 ± 1930, 253 ± 216, and 116 ± 166 pg/g d.w., respectively). Most PBDD/F, PBB, and PCDE congeners were below the detection limits. PCDDs had the highest toxic equivalency (TEQ), followed by PBDDs and DL-PCBs. Among the six POPs, PBDEs were the major components of the marine-deposited particles, regarding both concentrations and mass fluxes. Compared to 3500 m, PBDE levels were higher at a depth of 2000 m. PBDE mass fluxes were 20.9 and 14.2 ng/m2/day or 68.2 and 75.9 ng/m2/year at deep-water 2000 and 3500 m, respectively. This study first investigated POP levels in oceanic deep-water-deposited particles from existing global data.
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Affiliation(s)
- Jia-De Lee
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan; (J.-D.L.); (Y.-Y.G.)
| | - Tsyr-Huei Chiou
- Department of Life Sciences, National Cheng Kung University, Tainan 701, Taiwan;
| | - Hong-Jie Zhang
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100811, China;
| | - How-Ran Chao
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan; (J.-D.L.); (Y.-Y.G.)
- Center for Agricultural, Forestry, Fishery, Livestock and Aquaculture Carbon Emission Inventory and Emerging Compounds, General Research Service Center, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan
- Institute of Food Safety Management, College of Agriculture, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Occupational Safety and Health, Faculty of Public Health, Universitas Airlangga, Kampus C, Mulyorejo, Surabaya 60115, Indonesia
| | - Kuang-Yu Chen
- National Applied Research Laboratories, Taiwan Ocean Research Institute, Kaohsiung 852, Taiwan;
| | - Yan-You Gou
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan; (J.-D.L.); (Y.-Y.G.)
| | - Chien-Er Huang
- Department of Mechanical Engineering, Institute of Mechanical Engineering, Cheng Shiu University, Niaosong District, Kaohsiung 833, Taiwan;
- Super Micro Mass Research & Technology Center, Cheng Shiu University, Niaosong District, Kaohsiung 833, Taiwan
| | - Sheng-Lun Lin
- Department of Environmental Engineering, National Cheng Kung University, Tainan 701, Taiwan;
| | - Lin-Chi Wang
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Nanzih District, Kaohsiung 81157, Taiwan
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21
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Sarkar D, Midha P, Shanti SS, Singh SK. A comprehensive review on the decabromodiphenyl ether (BDE-209)-induced male reproductive toxicity: Evidences from rodent studies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 901:165938. [PMID: 37541514 DOI: 10.1016/j.scitotenv.2023.165938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 07/23/2023] [Accepted: 07/29/2023] [Indexed: 08/06/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs), a class of brominated flame retardants (BFRs), are employed in various manufactured products to prevent fires, slow down their spread and reduce the resulting damages. Decabromodiphenyl ether (BDE-209), an example of PBDEs, accounts for approximately 82 % of the total production of PBDEs. BDE-209 is a thyroid hormone (TH)-disrupting chemical owing to its structural similarity with TH. Currently, increase in the level of BDE-209 in biological samples has become a major issue because of its widespread use. BDE-209 causes male reproductive toxicity mainly via impairment of steroidogenesis, generation of oxidative stress (OS) and interference with germ cell dynamics. Further, exposure to this chemical can affect metabolic status, sperm concentration, epigenetic regulation of various developmental genes and integrity of blood-testis barrier in murine testis. However, the possible adverse effects of BDE-209 and its mechanism of action on the male reproductive health have not yet been critically evaluated. Hence, the present review article, with the help of available literature, aims to elucidate the reproductive toxicity of BDE-209 in relation to thyroid dysfunction in rodents. Further, several crucial pathways have been also highlighted in order to strengthen our knowledge on BDE-209-induced male reproductive toxicity. Data were extracted from scientific articles available in PubMed, Web of Science, and other databases. A thorough understanding of the risk assessment of BDE-209 exposure and mechanisms of its action is crucial for greater awareness of the potential threat of this BFR to preserve male fertility.
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Affiliation(s)
- Debarshi Sarkar
- Department of Zoology, School of Basic Sciences, Central University of Punjab, VPO-Ghudda, Bathinda 151401, India
| | - Parul Midha
- Department of Zoology, School of Basic Sciences, Central University of Punjab, VPO-Ghudda, Bathinda 151401, India
| | - Shashanka Sekhar Shanti
- Department of Zoology, School of Basic Sciences, Central University of Punjab, VPO-Ghudda, Bathinda 151401, India
| | - Shio Kumar Singh
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
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22
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Maes T, Preston-Whyte F, Lavelle S, Gomiero A, Booth AM, Belzunce-Segarra MJ, Bellas J, Brooks S, Bakir A, Devriese LI, Pham CK, De Witte B. A recipe for plastic: Expert insights on plastic additives in the marine environment. MARINE POLLUTION BULLETIN 2023; 196:115633. [PMID: 37864860 DOI: 10.1016/j.marpolbul.2023.115633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 10/01/2023] [Accepted: 10/04/2023] [Indexed: 10/23/2023]
Abstract
The production and consumption of plastic products had been steadily increasing over the years, leading to more plastic waste entering the environment. Plastic pollution is ubiquitous and comes in many types and forms. To enhance or modify their properties, chemical additives are added to plastic items during manufacturing. The presence and leakage of these additives, from managed and mismanaged plastic waste, into the environment are of growing concern. In this study, we gauged, via an online questionnaire, expert knowledge on the use, characteristics, monitoring and risks of plastic additives to the marine environment. We analysed the survey results against actual data to identify and prioritise risks and gaps. Participants also highlighted key factors for future consideration, including gaining a deeper understanding of the use and types of plastic additives, how they leach throughout the entire lifecycle, their toxicity, and the safety of alternative options. More extensive chemical regulation and an evaluation of the essentiality of their use should also be considered.
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Affiliation(s)
- Thomas Maes
- GRID-Arendal, Teaterplassen 3, 4836 Arendal, Norway.
| | | | | | - Alessio Gomiero
- NORCE Climate and Environment dep, Mekjarvik 12, 4072 Randaberg, Norway
| | - Andy M Booth
- SINTEF Ocean, Brattørkaia 17C, 7010 Trondheim, Norway
| | | | - Juan Bellas
- Centro Oceanográfico de Vigo, Instituto Español de Oceanografía (IEO), CSIC, Subida a Radio Faro 50, Vigo 36390, Spain
| | - Steven Brooks
- Norwegian Institute for Water Research (NIVA), Økernveien 94, 0579 Oslo, Norway
| | - Adil Bakir
- Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk NR33 0HT, UK
| | - Lisa I Devriese
- Flanders Marine Institute (VLIZ), InnovOcean Campus, Jacobsenstraat 1, 8400 Ostend, Belgium
| | - Christopher Kim Pham
- Instituto de Investigação em Ciências do Mar - OKEANOS, Universidade dos Açores, Horta, Portugal
| | - Bavo De Witte
- Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Marine Research (ILVO-Marine), Jacobsenstraat 1, 8400 Ostend, Belgium
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23
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Wang R, Cheng H, Gong Y, Huang T. New brominated flame retardant decabromodiphenyl ethane (DBDPE) in water sediments: A review of contamination characteristics, exposure pathways, ecotoxicological effects and health risks. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122121. [PMID: 37385359 DOI: 10.1016/j.envpol.2023.122121] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 07/01/2023]
Abstract
As an alternative to polybrominated diphenyl ethers (PBDEs), decabromodiphenyl ethane (DBDPE) has become one of the most important new brominated flame retardants (NBFRs). However, little is known about whether this emerging contaminant may has an environmental fate similar to PBDEs. Sediments are the main sink for DBDPE in the aqueous phase. Worldwide concentration data, since it was first found in sediments to date, have been collated, and the following conclusions have been drawn. (1) DBDPE concentrations in sediments have increased rapidly, often with a higher risk of contamination in source discharge areas. Compared with other countries, DBDPE contamination in China is more severe, especially in Guangdong Province, which is closely related to its being an e-waste dismantling area. (2) The amount of DBDPE in surface sediments has exceeded that of legacy brominated flame retardants (BFRs), and data recorded in sediment cores also corroborate that DBDPE is replacing decabromodiphenyl ether (BDE-209) as one of the most dominant NBFRs in the environment. (3) The exposure pathways of DBDPE include dietary intake, air or indoor dust intake, cutaneous absorption and endogenous exposure. For sediments, dietary exposure and endogenous exposure pathways need to be considered. Sediment DBDPE can enter the human body through bioenrichment such as contaminated seafood and the food chain. (4) DBDPE can exhibit neurotoxicity, thyrotoxicity, reproductive and developmental toxicity, hepatotoxicity and oxidative stress in organisms. Long-term DBDPE exposure may increase hyperthyroidism risk and inhibit normal cells activity. This review focuses on the distribution characteristics and exposure risks of DBDPE in global water sediments, providing a strong reference for environmental management and related legal policy formulation. The next steps are to focus on continuous source monitoring, process control and sediment clean-up of DBDPE. The development of sustainable water management options for waste microplastics (MPs) and e-waste spiked with DBDPE is a priority.
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Affiliation(s)
- Rui Wang
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China
| | - Hongguang Cheng
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China.
| | - Yiwei Gong
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China
| | - Tao Huang
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China
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24
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Yang Y, Jin Y, Zhu X, Rao Q, Zhao Z, Yang J. Hepatotoxicity evaluation and possible mechanisms of decabrominated diphenyl ethers (BDE-209) in broilers: Oxidative stress, inflammatory, and transcriptomics. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 264:115460. [PMID: 37696076 DOI: 10.1016/j.ecoenv.2023.115460] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/25/2023] [Accepted: 09/07/2023] [Indexed: 09/13/2023]
Abstract
Decabrominated diphenyl ether (BDE-209), a persistent organic pollutant, is linked to a great number of health problems, the most severe of which impact the liver due to its role in the elimination and degradation of exogenous harmful substances. Though the hepatotoxicity of BDE-209 has been observed, its underlying mechanism is yet unknown. The purpose of this study is to thoroughly investigate the hepatotoxicity of BDE-209 and its molecular processes in broilers by subjecting 120 male broilers to varied concentrations of BDE-209 for 42 days. We observed that the bioaccumulation of BDE-209 in the liver in a dose-dependent manner, and that BDE-209 exposure can raise the concentrations of ALT, AST, and GGT, accompanied by hepatocyte fatty degeneration and inflammatory foci. In the hepatic homogenates, oxidative stress was evidenced by elevated levels of MDA and ROS and decreased activies of SOD and CAT. Additionally, pro-inflammatory cytokines including IL-1, IL-1β, TNF-α, IL-8 levels were increased, whereas anti-inflammatory cytokine IL-4 level was declined. Furthermore, RNA sequencing revealed that genes involved in inflammation were considerably dysregulated, and real-time PCR verified the expressed alterations of numerous genes related to the MAPK and WNT signaling pathways. The protein concentrations of NF-κB, β-catenin, and WNT5A, and the phosphorylation levels of JNK and ERK were all dramatically enhanced. The current study indicates that BDE-209 exposure can cause hepatotoxicity in broilers via bioaccumulation and oxidative stress, which then activates the MAPK and WNT signaling pathways, subsequently generating inflammation and hepatic injury.
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Affiliation(s)
- Yi Yang
- Institute for Agri-Food Standard and Testing, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Yuhong Jin
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Xing Zhu
- College of Animal Science, Guizhou University, Guiyang, Guizhou 550025, China
| | - Qinxiong Rao
- Institute for Agri-Food Standard and Testing, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Zhihui Zhao
- Institute for Agri-Food Standard and Testing, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Junhua Yang
- Institute for Agri-Food Standard and Testing, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China.
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Zhang Q, Wang Z, Xiao Q, Ge J, Wang X, Jiang W, Yuan Y, Zhuang Y, Meng Q, Jiang J, Hao W, Wei X. The effects and mechanisms of the new brominated flame retardant BTBPE on thyroid toxicity. Food Chem Toxicol 2023; 180:114027. [PMID: 37696466 DOI: 10.1016/j.fct.2023.114027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/22/2023] [Accepted: 09/04/2023] [Indexed: 09/13/2023]
Abstract
As an alternative to octabromodiphenyl ether (octa-BDE), 1, 2-bis (2,4, 6-tribromophenoxy) ethane (BTBPE) has been widely used in a variety of combustible materials, such as plastics, textiles and furniture. Previous studies have demonstrated the thyroid toxicity of traditional brominated flame retardants for example octa-BDE clearly. Nevertheless, little is known about the thyroid toxicity of alternative novel brominated flame retardants BTBPE. In this study, it was demonstrated that BTBPE in vivo exposure induced FT4 reduction in 2.5, 25 and 250 mg/kg bw treated group and TT4 reduction in 25 mg/kg bw treated group. TG, TPO and NIS are key proteins of thyroid hormone synthesis. The results of Western blot and RT-PCR from thyroid tissue showed decreased protein levels and gene expression levels of TG, TPO and NIS as well as regulatory proteins PAX8 and TTF2. To investigate whether the effect also occurred in humans, anthropogenic Nthy-ori 3-1 cells were selected. Similar results were seen in vitro condition. 2.5 mg/L BTBPE reduced the protein levels of PAX8, TTF1 and TTF2, which in turn inhibited the protein levels of TG and NIS. The results in vitro experiment were consistent with that in vivo, suggesting possible thyrotoxic effects of BTBPE on humans. It was indicated that BTBPE had the potential interference of T4 generation and the study provided more evidence of the effects on endocrine disorders.
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Affiliation(s)
- Qiong Zhang
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Zhenyu Wang
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Qianqian Xiao
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Jianhong Ge
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Xiaoyun Wang
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Wanyu Jiang
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Yuese Yuan
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Yimeng Zhuang
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Qinghe Meng
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Jianjun Jiang
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Weidong Hao
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China
| | - Xuetao Wei
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, 100191, PR China.
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Yu Y, Wang M, Chen Y, Pan C, Fei Q, Zhu Y, Li H, Ge RS. Halogenated bisphenol A derivatives potently inhibit human, rat, and mouse gonadal 3β-hydroxysteroid dehydrogenases: Structure-activity relationship and in silico molecular docking analysis. Toxicol Lett 2023; 386:20-29. [PMID: 37683804 DOI: 10.1016/j.toxlet.2023.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 05/20/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
Bisphenol A (BPA) is a widely used plastic material, and halogenated BPA derivatives are formed either by synthesis or environmental processes. However, the effect of halogenated bisphenols on steroidogenesis remains unclear. The aim of this study was to compare inhibition of 6 BPA derivatives on gonadal 3β-hydroxysteroid dehydrogenases (3β-HSDs) in three species (human, rat, and mouse). The inhibition on human 3β-HSD2 was tetrabromo BPA (TBBPA, IC50, 1.01 μM)>trichloro BPA (TrCBPA, 3.95 μM)>tetrachloro BPA (TCBPA, 4.14 μM)>monochloro BPA (MCBPA, 4.74 μM)>others with TrCBPA of competitive, TBBPA of noncompetitive and MCBPA/TCBPA of mixed inhibition. The inhibition on rat 3β-HSD1 was TCBPA (1.68 μM)>TrCBPA (1.72 μM)>MCBPA (2.80 μM)>BPA>others with mixed inhibition. The inhibition on mouse 3β-HSD6 was TrCBPA (1.59 μM) >MCBPA (3.36 μM)>TCBPA (3.72 μM)>others with mixed inhibition. Molecular docking analysis showed that TBBPA, TrCBPA, and TCBPA bind to steroid active sites, contacting with catalytic residue Tyr154 of human 3β-HSD2. MCBPA, TrCBPA, and TCBPA bind to steroid active site of rat 3β-HSD1. MCBPA and TrCBPA bind to active site of mouse 3β-HSD6. Regression of lowest binding energy values with Ki values revealed a significant negative linear regression (P < 0.05). In conclusion, halogenated BPA derivatives are more potent inhibitors of three 3β-HSDs than BPA and there is structure-dependent inhibition. SYNOPSIS: Chlorinated bisphenol derivatives after water chlorination process and other halogenated bisphenols effectively inhibit human and rat 3β-HSD activity, thereby leading to steroid hormone deficiency.
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Affiliation(s)
- Yang Yu
- Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, China; Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children's Hospital;Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, and Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000 Zhejiang Province, China
| | - Mengyun Wang
- Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, China; Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children's Hospital;Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, China
| | - Ya Chen
- Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, China; Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children's Hospital;Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, China; Reproductive Medicine Centre, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chengshuang Pan
- Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, China; Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children's Hospital;Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, China; Reproductive Medicine Centre, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Qianjin Fei
- Reproductive Medicine Centre, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yang Zhu
- Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, China; Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children's Hospital;Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, China
| | - Huitao Li
- Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, China; Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children's Hospital;Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, China.
| | - Ren-Shan Ge
- Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, China; Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children's Hospital;Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, China; Reproductive Medicine Centre, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzhou, and Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000 Zhejiang Province, China.
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Wang J, Tang J, Li X, Ning X, Sun C, Zhang N, Zhang S. Curcumin alleviates spleen immunotoxicity induced by decabrominated diphenyl ethers (BDE-209) by improving immune function and inhibiting inflammation and apoptosis in broilers. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 259:115048. [PMID: 37224787 DOI: 10.1016/j.ecoenv.2023.115048] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/21/2023] [Accepted: 05/19/2023] [Indexed: 05/26/2023]
Abstract
This study was conducted to assess the mitigating effects of curcumin (Cur) on immunotoxicity in the spleen of broilers induced by the polybrominated diphenyl ether BDE-209. Eighty one-day-old broilers were allocated to the following four groups: control group, BDE-209 (0.4 g/kg) group, BDE-209 (0.4 g/kg) + Cur (0.3 mg/kg) group, and Cur (0.3 mg/kg) group. Growth performance, immunological function, inflammation, and apoptosis were assessed after 42 days of treatment. The findings demonstrate that firstly, Cur restored spleen damage caused by BDE-209 by increasing body weight, decreasing feed-to-gain ratio, correcting the spleen index, and improving the histopathological structure of the spleen. Secondly, Cur relieved BDE-209-induced immunosuppression by increasing the levels of the immunoglobulins IgG, IgM, and IgA in the serum, as well as the levels of white blood cells and lymphocytes. The levels at which GATA binding protein 3, T-box expressed in T cells, interferon-γ, and interleukin (IL)- 4 are expressed were controlled. The ratio of T helper (Th) type 1 (Th1) to Th2 cells in the spleen of broilers was also controlled. Thirdly, Cur reduced the expression of Toll like receptor (TLR) 2, TLR4, nuclear factor (NF)-κB, IL-8, IL-6, and IL-1β, which alleviated BDE-209-induced inflammation in broilers. Cur reduced BDE-209-induced apoptosis by increasing the expression of the bcl-2 protein, decreasing the expression of cleaved caspase-3 and bax proteins, decreasing the bax/bcl-2 protein ratio, and decreasing the mean optical density of TUNEL. These results suggest that Cur protects broiler spleens from BDE-209-induced immunotoxicity via modulating humoral immunity, the equilibrium between Th1 and Th2 cells, the TLRs/NF-κB inflammatory pathway, and the apoptotic pathway.
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Affiliation(s)
- Jiaqi Wang
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, PR China
| | - Jilang Tang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China.
| | - Xueqin Li
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, PR China
| | - Xiaqing Ning
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, PR China
| | - Chen Sun
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, PR China
| | - Nuannuan Zhang
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, PR China
| | - Shixia Zhang
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, PR China.
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Marques ML, Cairrao E. Occurrence and Health Effects of Hexabromocyclododecane: An Updated Review. TOXICS 2023; 11:toxics11050409. [PMID: 37235223 DOI: 10.3390/toxics11050409] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/17/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023]
Abstract
Hexabromocyclododecane (HBCD) is a non-aromatic compound belonging to the bromine flame retardant family and is a known persistent organic pollutant (POP). This compound accumulates easily in the environment and has a high half-life in water. With a variety of uses, the HBCD is found in house dust, electronics, insulation, and construction. There are several isomers and the most studied are α-, β-, and γ-HBCD. Initially used as a substitute for other flame retardants, the polybrominated diphenyl ethers (PBDEs), the discovery of its role as a POP made HBCD use and manufacturing restricted in Europe and other countries. The adverse effects on the environment and human health have been piling, either as a result from its accumulation or considering its power as an endocrine disruptor (ED). Furthermore, it has also been proven that it has detrimental effects on the neuronal system, endocrine system, cardiovascular system, liver, and the reproductive system. HBCD has also been linked to cytokine production, DNA damage, increased cell apoptosis, increased oxidative stress, and reactive oxygen species (ROS) production. Therefore, this review aims to compile the most recent studies regarding the negative effects of this compound on the environment and human health, describing the possible mechanisms by which this compound acts and its possible toxic effects.
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Affiliation(s)
- Maria Lopes Marques
- CICS-UBI, Health Sciences Research Centre, University of Beira Interior, 6200-506 Covilhã, Portugal
| | - Elisa Cairrao
- CICS-UBI, Health Sciences Research Centre, University of Beira Interior, 6200-506 Covilhã, Portugal
- FCS-UBI, Faculty of Health Sciences, University of Beira Interior, 6200-506 Covilhã, Portugal
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29
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Shi L, Zhang B, Ying Y, Tang Y, Wang S, Zhu Y, Li H, Ge RS, Liu Y. Halogen atoms determine the inhibitory potency of halogenated bisphenol A derivatives on human and rat placental 11β-hydroxysteroid dehydrogenase 2. Food Chem Toxicol 2023; 175:113739. [PMID: 36958388 DOI: 10.1016/j.fct.2023.113739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 03/04/2023] [Accepted: 03/20/2023] [Indexed: 03/25/2023]
Abstract
Some halogenated bisphenol A (BPA) derivatives (tetrabromobisphenol A, TBBPA, and tetrachlorobisphenol A, TCBPA) are produced in a high volume and exist in PM2.5 after waste burning. 11β-Hydroxysteroid dehydrogenase 2 (11β-HSD2) is a critical enzyme for placental function. However, whether halogenated bisphenols inhibit 11β-HSD2 and the mode of action remains unclear. The objective of this study was to investigate BPA derivatives on human and rat placental 11β-HSD2. The inhibitory strength on human 11β-HSD2 was TBBPA (IC50, 0.665 μM)>TCBPA (2.22 μM)>trichloro BPA (TrCBPA, 19.87 μM)>tetrabromobisphenol S (TBBPS, 36.76 μM)>monochloro BPA (MCBPA, 104.0 μM)>BPA (144.9 μM)>bisphenol S. All chemicals are mixed and competitive inhibitors. Rat 11β-HSD2 was less sensitive to BPA derivatives, with TBBPA (IC50, 96.63 μM)>TCBPA (99.69 μM)>TrCBPA (104.1 μM)>BPA (117.1 μM)>others. Docking analysis showed that BPA derivatives bind steroid active sites. Structure-activity relationship revealed that halogen atoms and LogP were inversely correlated with inhibitory strength on human 11β-HSD2, while LogS and polar desolvation energy were positively correlated with the inhibitory strength. In conclusion, halogenated BPA derivatives are mostly potent inhibitors on human 11β-HSD2 and there is structure-dependent inhibition.
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Affiliation(s)
- Lei Shi
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzho Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou, 325000, China
| | - Bingru Zhang
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Yingfen Ying
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Yunbing Tang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Shaowei Wang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Yang Zhu
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Huitao Li
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Ren-Shan Ge
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China; Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China; Key Laboratory of Environment and Male Reproductive Medicine of Wenzho Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou, 325000, China.
| | - Yi Liu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China.
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30
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Berger ML, Shaw SD, Rolsky C, Harris JH, Guo Y, Kannan K. Occurrence and tissue-specific partitioning of alternative brominated flame retardants in northwest Atlantic harbor seal pups (Phoca vitulina vitulina). CHEMOSPHERE 2023; 318:137968. [PMID: 36708778 DOI: 10.1016/j.chemosphere.2023.137968] [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: 10/24/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Brominated flame retardants such as polybrominated diphenyl ethers (PBDEs) have been used for decades until evidence of negative health effects led to bans in many countries. PBDEs have since been replaced by alternative legacy compounds or newly developed chemicals. In this study, eight alternative brominated flame retardants were analyzed in blubber and liver of harbor seal pups (≤6 months) from the Northwest Atlantic collected during 2001-2010 to elucidate concentrations, patterns, contamination trends, potential maternal transfer, and tissue partitioning. All compounds were detected in liver and blubber tissues with hexabromocyclododecane (HBCD) isomers and 2-ethylhexyl 2,3,4,5-tetrabromobenzoate (TBB) predominating. Overall, α-HBCD was the dominant HBCD isomer in both tissues although the concentrations of γ-HBCD exceeded those of α-HBCD in seven pups, indicating their mothers may have had alternative dietary patterns or recent exposure to the commercial mixture. Although it was detected in less than half of the samples, to our knowledge, this is the first study to report tetrabromobisphenol A (TBBPA) concentrations in multiple tissues of a top marine predator. For the brominated components of Firemaster® flame retardants, TBB concentrations exceeded bis-(2-ethylhexyl)-tetrabromophthalate (TBPH). This pattern may result from recent exposure to commercial mixtures in which TBB exceeds TBPH 4:1 or from differences in perinatal or lactational transfer efficiency of the two compounds. Between the two tissues, lipid-normalized β-HBCD, γ-HBCD, TBB and decabromodiphenyl ethane (DBDPE) concentrations were significantly higher in liver than blubber. This indicates that the bioaccumulation of these chemicals is not simply related to lipid dynamics but may be linked to blood proteins. This study demonstrates that harbor seal pups from this region are contaminated with alternative flame retardants passed to them via placental or lactational transfer. Given the evidence for negative health effects of these chemicals, this contamination adds additional pressure on the first year survival of these young, developing animals.
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Affiliation(s)
- Michelle L Berger
- Shaw Institute, Blue Hill Research Center, 55 Main Street, Blue Hill, ME, 04614, USA.
| | - Susan D Shaw
- Shaw Institute, Blue Hill Research Center, 55 Main Street, Blue Hill, ME, 04614, USA
| | - Charles Rolsky
- Shaw Institute, Blue Hill Research Center, 55 Main Street, Blue Hill, ME, 04614, USA
| | - Jennifer H Harris
- Shaw Institute, Blue Hill Research Center, 55 Main Street, Blue Hill, ME, 04614, USA
| | - Ying Guo
- School of Environment, Jinan University, Guangzhou, 510632, China
| | - Kurunthachalam Kannan
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, 550 First Avenue, 698 MSB 6th Floor, New York, NY, 10016, USA
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31
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Choi EM, Park SY, Suh KS, Chon S. Apigenin attenuates tetrabromobisphenol A-induced cytotoxicity in neuronal SK-N-MC cells. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2023; 58:152-162. [PMID: 36843298 DOI: 10.1080/10934529.2023.2182581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Tetrabromobisphenol A (TBBPA) is a reactive brominated flame retardant widely used in various industrial and household products. This compound is persistent in the environment and accumulates in living organisms through the food chain, and is toxic to animals and human beings. Studies have shown that TBBPA is toxic to various human cell lines, including neuronal cells. Apigenin is a dietary flavonoid that exhibits various beneficial health effects on biological activities, including antioxidant, anti-inflammatory, and neuroprotective effects. This study investigated the cytoprotective effects of apigenin against TBBPA-mediated cytotoxicity in SK-N-MC cells. Our results demonstrated that treatment of SK-N-MC cells with apigenin increased the cell viability, which was decreased by TBBPA, and reduced apoptosis and autophagy induced by TBBPA. Although we did not observe any change in the levels of IL-1β and nitrite in cultured cells after TBBPA treatment, apigenin was found to decrease the production of these pro-inflammatory mediators. Apigenin decreased the intracellular Ca2+ concentration, NOX4 level, oxidative stress, and mitochondrial membrane potential loss and increased the mitochondrial biogenesis and nuclear Nrf2 levels that were reduced by TBBPA. Finally, apigenin treatment decreased Akt and ERK induction in cells exposed to TBBPA. Based on these results, apigenin could be a promising candidate for designing natural drugs to treat or prevent TBBPA-related neurological disorders.
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Affiliation(s)
- Eun Mi Choi
- Department of Endocrinology & Metabolism, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - So Young Park
- Department of Endocrinology & Metabolism, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
- Department of Endocrinology & Metabolism, Kyung Hee University Hospital, Seoul, Republic of Korea
| | - Kwang Sik Suh
- Department of Endocrinology & Metabolism, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Suk Chon
- Department of Endocrinology & Metabolism, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
- Department of Endocrinology & Metabolism, Kyung Hee University Hospital, Seoul, Republic of Korea
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32
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Jing L, Zheng D, Sun X, Shi Z. DBDPE upregulates NOD-like receptor signaling to induce NLRP3 inflammasome-mediated HAECs pyroptosis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 318:120882. [PMID: 36549449 DOI: 10.1016/j.envpol.2022.120882] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/06/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Decabromodiphenyl ethane (DBDPE), a typical new brominated flame retardant (BFR), is a widespread new pollutant in the environment. Several studies and our previous studies have found that DBDPE can cause aortic endothelial injury and aortic endothelial cell pyroptosis, whereas the molecular mechanism involved has not been elucidated. In this study, we exposed human aortic endothelial cells (HAECs) to 25 μmol/L of DBDPE and analyzed the gene expression profiles by Affymetrix PrimeView™ Human Gene Expression Chip. The results showed that 886 genes were differentially expressed in the DBDPE exposure group. Enrichment analyses revealed that differentially expressed genes were mainly enriched in the inflammatory response and NOD-like receptor signal pathway. Gene-gene functional interaction analyses and crossover genes and pathways analyses found that the NOD-like receptor signal pathway may be involved in regulating NLRP3 and IL-18. We found that NOD2 cannot interact with NLRP3 directly through an immunoprecipitation experiment. Thus, we construct the RIPK2 knockdown HAECs cell line to repress the NOD-like receptor signaling and further study the mechanism of DBDPE-activated NLRP3 inflammasome to induce HAECs pyroptosis. The results showed that RIPK2 knockdown could repress DBDPE-induced NOD-like receptor signaling pathway upregulation, inhibit NLRP3 inflammasome activation, and decrease HAECs pyroptosis. In addition, RIPK2 knockdown decreased the ROS generation in HAECs induced by DBDPE. And NAC pretreated HAECs inhibited DBDPE-induced NLRP3 inflammasome activation and HAECs pyroptosis. These results demonstrated that DBDPE upregulated NOD-like receptor signaling to induce ROS generation and, in turn, activated NLRP3 inflammasome, leading to HAECs pyroptosis.
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Affiliation(s)
- Li Jing
- School of Public Health and Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Dan Zheng
- School of Public Health and Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Xuejing Sun
- School of Public Health and Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Zhixiong Shi
- School of Public Health and Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
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33
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Tholley MS, George LY, Fu M, Qiao Z, Wang G, Ling S, Peng C, Zhang W, Ye C, Liu F, Yang J. Occurrence, spatial distribution, and risk assessment of brominated flame retardants in farmland soils of typical provinces in China. CHEMOSPHERE 2023; 313:137356. [PMID: 36460150 DOI: 10.1016/j.chemosphere.2022.137356] [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: 09/04/2022] [Revised: 11/17/2022] [Accepted: 11/20/2022] [Indexed: 06/17/2023]
Abstract
In the present study, we investigated the occurrence, distribution, and potential risks of 4 brominated flame retardants in farmland soils across 18 provinces of China. The total mean concentrations of the BFRs were in order as DBDPE > BDE209 > HBB > TBB. DBDPE concentration was highest at 177.208 ng/kg, revealing its long-term use and persistence across the study areas. In parts of China, DBDPE was highest in the south (Sichuan, Shaanxi and Guangdong provinces), BDE209 was highest in the south (Sichuan province) and north (Jilin province), while HBB was highest in the south (Sichuan province) and east (Anhui and Zhejiang provinces) of China. Comparisons of the results in this study to other reported studies in different regions indicated that the studied BFRs concentrations were higher in the studied provinces of China. Pearson correlation between BFRs revealed both positive and negative associations within the BFRs groups and between BFRs and soil properties (SOM, CEC, pH, EC and PS%). The mean hazard quotients (HQ) of ecological risks ranged from 8.76 × 10-6 to 1.16 × 10-2 (HQ < 1) while non-carcinogenic human health risk evaluation for adults ranged from 7.05 × 10-7 - 7.48 × 10-4 (HQ < 1) and for children 2.99 × 10-4 - 4.30 × 10-2 (HQ < 1). Although the risk evaluations of BFRs from farmland soils in this study were low, the results serve as useful indicators of potential cumulative and long-term threats of BFR to rural areas where there is a high conversion of agricultural lands to non-agricultural use.
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Affiliation(s)
- Mabinty Sarah Tholley
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, PR China; State Environmental Protection Engineering Center for Urban Soil Contamination Control and Remediation, Shanghai Academy of Environmental Sciences, Shanghai, 200233, PR China
| | - Lartey Young George
- College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China
| | - Mengru Fu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, PR China; State Environmental Protection Engineering Center for Urban Soil Contamination Control and Remediation, Shanghai Academy of Environmental Sciences, Shanghai, 200233, PR China
| | - Zhihua Qiao
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Gehui Wang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Siyuan Ling
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Cheng Peng
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Wei Zhang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, PR China; State Environmental Protection Engineering Center for Urban Soil Contamination Control and Remediation, Shanghai Academy of Environmental Sciences, Shanghai, 200233, PR China.
| | - Chunmei Ye
- State Environmental Protection Engineering Center for Urban Soil Contamination Control and Remediation, Shanghai Academy of Environmental Sciences, Shanghai, 200233, PR China
| | - Fang Liu
- State Environmental Protection Engineering Center for Urban Soil Contamination Control and Remediation, Shanghai Academy of Environmental Sciences, Shanghai, 200233, PR China.
| | - Jie Yang
- State Environmental Protection Engineering Center for Urban Soil Contamination Control and Remediation, Shanghai Academy of Environmental Sciences, Shanghai, 200233, PR China
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Giannelli Moneta B, Aita SE, Barbaro E, Capriotti AL, Cerrato A, Laganà A, Montone CM, Piovesana S, Scoto F, Barbante C, Cavaliere C. Untargeted analysis of environmental contaminants in surface snow samples of Svalbard Islands by liquid chromatography-high resolution mass spectrometry. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159709. [PMID: 36309265 DOI: 10.1016/j.scitotenv.2022.159709] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/24/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
In recent years, there is increasing attention on the contaminants of emerging concern (CECs), which include plasticizers, flame retardants, industrial chemicals, pharmaceuticals, and personal care products, since they have been detected even far away from pollution sources. The polar regions are not exempt from the presence of anthropogenic contaminants, and they are employed as a model for understanding the pollutant fate and impact. During the 2021 spring campaign, sixteen surface snow samples were collected close to the research station of Ny-Ålesund located on the Spitsbergen Island of the Norwegian Svalbard Archipelago. The samples were extracted by solid-phase extraction and analyzed by liquid chromatography-high-resolution tandem mass spectrometry (LC-HRMS/MS) following an untargeted approach. Compound tentative identification was obtained with the aid of the software Compound Discoverer, using both mass spectral database search and manual validation. Among the 114 compounds identified with a high confidence level in the snow samples, >80 have some commercial or industrial use (drugs, plasticizers, fragrances, etc.), therefore they could be of anthropogenic origin. Nonetheless, a clear contamination trend did not appear in the snow samples collected on eight different days during one month. The comparison with aerosol samples collected in the same area did not help identifying the source, either, since only a few compounds were in common, and they were mainly of natural origin. As such, the analysis of aerosol sample did not support possible long-range transport, also considering that compounds were detected mostly in the coarse fraction.
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Affiliation(s)
| | - Sara Elsa Aita
- Department of Chemistry, Sapienza University of Rome, p.le Aldo Moro 5, 00185 Rome, Italy.
| | - Elena Barbaro
- Institute of Polar Sciences-CNR, University of Venice, via Torino, 155, 30172 Venice-Mestre, Italy; Department of Environmental Sciences, Informatics & Statistics, University Ca' Foscari of Venice, Via Torino 155, 30172 Venice-Mestre, Italy.
| | - Anna Laura Capriotti
- Department of Chemistry, Sapienza University of Rome, p.le Aldo Moro 5, 00185 Rome, Italy.
| | - Andrea Cerrato
- Department of Chemistry, Sapienza University of Rome, p.le Aldo Moro 5, 00185 Rome, Italy.
| | - Aldo Laganà
- Department of Chemistry, Sapienza University of Rome, p.le Aldo Moro 5, 00185 Rome, Italy.
| | - Carmela Maria Montone
- Department of Chemistry, Sapienza University of Rome, p.le Aldo Moro 5, 00185 Rome, Italy.
| | - Susy Piovesana
- Department of Chemistry, Sapienza University of Rome, p.le Aldo Moro 5, 00185 Rome, Italy.
| | - Federico Scoto
- Institute of Atmospheric Sciences and Climate, ISAC-CNR, S.P Lecce-Monteroni km 1.2, 73100 Lecce, Italy.
| | - Carlo Barbante
- Institute of Polar Sciences-CNR, University of Venice, via Torino, 155, 30172 Venice-Mestre, Italy; Department of Environmental Sciences, Informatics & Statistics, University Ca' Foscari of Venice, Via Torino 155, 30172 Venice-Mestre, Italy.
| | - Chiara Cavaliere
- Department of Chemistry, Sapienza University of Rome, p.le Aldo Moro 5, 00185 Rome, Italy.
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Liu D, Qv M, Dai D, Wang X, Zhu L. Toxic responses of freshwater microalgae Chlorella sorokiniana due to exposure of flame retardants. CHEMOSPHERE 2023; 310:136808. [PMID: 36223822 DOI: 10.1016/j.chemosphere.2022.136808] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
Flame retardants, such as Tetrabromobisphenol A (TBBPA), Tris(1,3-dichloro-2-propyl) phosphate (TDCPP) and tributyl phosphate (TBP), are frequently detected in surface water. However, the effects of FRs exposure on aquatic organisms especially freshwater microalgae are still unclear. In this study, the toxicities of TBBPA, TDCPP and TBP to microalgae Chlorella sorokiniana, in terms of growth inhibition, photosynthetic activity inhibition and oxidative damage, were investigated, and according ecological risks were assessed. The results showed that TBBPA, TDCPP and TBP had inhibitory effects on C. sorokiniana, with 96 h EC50 (concentration for 50% of maximal effect) values of 7.606, 41.794 and 49.996 mg/L, respectively. Fv/Fm decreased as the increase of exposure time under 15 mg/L TBBPA. Under 50 mg/L TDCPP and 80 mg/L TBP exposure, Fv/Fm decreased significantly after 24 h. However, Fv/Fm rose after 96 h, indicating that the damaged photosynthetic activity was reversible. The content of chlorophyll a decreased, as the increase of TBBPA concentration from 3 to 15 mg/L. However, chlorophyll a increased first and then decreased, as the increase of TDCPP and TBP concentrations from 0 to 50 mg/L and 0-80 mg/L, respectively. Results indicated that C. sorokiniana could use the phosphorus of TDCPP and TBP to ensure the production of chlorophyll a. The risen content of reactive oxygen species, malondialdehyde as well as superoxide dismutase activity indicated that exposure to FRs induced oxidative stress. Additionally, the risk quotients showed that tested FRs had ecological risks in natural waters or wastewaters. This study provides insights into the toxicological mechanisms of different FRs toward freshwater microalgae for better understanding of according environmental risks.
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Affiliation(s)
- Dongyang Liu
- School of Resources & Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Wuhan University, Wuhan, 430079, PR China; State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan, 430072, PR China
| | - Mingxiang Qv
- School of Resources & Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Wuhan University, Wuhan, 430079, PR China
| | - Dian Dai
- School of Resources & Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Wuhan University, Wuhan, 430079, PR China
| | - Xu Wang
- School of Resources & Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Wuhan University, Wuhan, 430079, PR China.
| | - Liandong Zhu
- School of Resources & Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass-Resources Chemistry and Environmental Biotechnology, Wuhan University, Wuhan, 430079, PR China; State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan, 430072, PR China.
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Bodziach K, Staniszewska M, Nehring I, Ożarowska A, Zaniewicz G, Meissner W. Elimination of endocrine disrupting phenolic compounds via feathers and claws in seabirds moulting in the Baltic and Russian Arctic. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 853:158641. [PMID: 36096226 DOI: 10.1016/j.scitotenv.2022.158641] [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: 07/17/2022] [Revised: 08/26/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
This paper investigates the effectiveness of phenol derivatives removal from bird organisms via claws and remiges, and performs a preliminary assessment of the usefulness of these epidermal products for environmental biomonitoring and estimating bird exposure levels. Concentrations of bisphenol A (BPA) and alkylphenols: 4-tert-octylphenol (4-t-OP) and 4-nonylphenol (4-NP) were determined in claws and remiges of long-tailed ducks Clangula hyemalis and razorbills Alca torda, obtained during a by-catch in the winter period (2014-2016) in the Southern Baltic region. For razorbills, the Baltic is a permanent habitat, while long-tailed ducks are migratory and stay in the Southern Baltic only during the non-breeding season. Their remiges are replaced in the Arctic seas of Siberia. The removal of phenol derivatives, depending on the compound and the epidermal product, ranges from 12 % to 34 %. Among these compounds, in both bird species, the highest degree of elimination was observed for 4-NP in remiges (<0.1-656.0 ng.g-1 dw) as well as claws (<0.1-338.6 ng.g-1 dw). On the other hand, the least removed compound in both the long-tailed duck and the razorbill was 4-t-OP. The removal of phenol derivatives from claws in both bird species was at the same level. However, 4-NP concentrations were found to be statistically significantly higher in razorbill remiges compared to those of the long-tailed duck (p < 0.05). Comparison of concentrations in the remiges of the long-tailed duck and the razorbill, moulted in two different environments with different levels of pollution and distances from sources, indicated that the Baltic Sea is approximately 3 times more polluted with 4-NP than the marine areas of the Russian Arctic. This demonstrates the potential for the use of 4-NP and remiges as indicators of environmental pollution with phenol derivatives.
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Affiliation(s)
- Karina Bodziach
- Department of Marine Chemistry and Environmental Protection, Institute of Oceanography, University of Gdansk, Al. Marszałka Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Marta Staniszewska
- Department of Marine Chemistry and Environmental Protection, Institute of Oceanography, University of Gdansk, Al. Marszałka Piłsudskiego 46, 81-378 Gdynia, Poland.
| | - Iga Nehring
- Department of Marine Chemistry and Environmental Protection, Institute of Oceanography, University of Gdansk, Al. Marszałka Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Agnieszka Ożarowska
- Ornithology Unit, Department of Vertebrate Ecology & Zoology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdańsk, Poland
| | - Grzegorz Zaniewicz
- Ornithology Unit, Department of Vertebrate Ecology & Zoology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdańsk, Poland
| | - Włodzimierz Meissner
- Ornithology Unit, Department of Vertebrate Ecology & Zoology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdańsk, Poland
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Yang Y, Zhu X, Rao Q, Liu Z, Yang J, Zhao Z. Toxicokinetics and edible tissues-specific bioaccumulation of decabrominated diphenyl ethers (BDE-209) after exposure to the broilers. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 248:114324. [PMID: 36434998 DOI: 10.1016/j.ecoenv.2022.114324] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/19/2022] [Accepted: 11/21/2022] [Indexed: 06/16/2023]
Abstract
Decabromodiphenyl ether (BDE-209), the primary constituent of a widely used flame retardant formulation, is often present in high levels in avian derived products and could be transferred to humans through consumption. The purpose of this study was to investigate the toxicokinetics and bioaccumulation patterns of BDE-209 in different tissues of broilers, which would benefit the evaluation of chicken product safety. Male broilers received a single oral administration of BDE-209 at 25 mg/kg.BW and then BDE-209 concentrations in the plasma, liver, leg muscle, breast muscle, and other tissues were measured using gas chromatography-electron capture detection (GC-ECD). The changes of BDE-209 concentrations in the plasma were fitted to a non-compartmental model for kinetic analysis. Peak values were observed at 24 h (t1/2 =168.28 h), and trace levels remained for four weeks. Additionally, Cmax in the liver was much higher than that in leg and breast muscles, and Tmax from the liver and muscle were 12 and 24 h, respectively. Residual BDE-209 was detected in all broiler tissues after 2 weeks, and concentrations were ranked as follows: fat > liver > thymus gland > heart > testis > thigh muscle > skin > lung > kidney > breast muscles > spleen (wet weight (ww)). Our results suggested that BDE-209 was widely distributed in different tissues after intestinal absorption, and preferentially accumulated in adipose and liver tissues. Observations of bioaccumulation and slow elimination in the liver and muscles provide critical insight into the toxicity of BDE-209 and risk assessment of edible tissues from broilers.
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Affiliation(s)
- Yi Yang
- Institute for Agri-Food Standard and Testing, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; College of Animal Science, Guizhou University, Guiyang, Guizhou 550025, China
| | - Xing Zhu
- College of Animal Science, Guizhou University, Guiyang, Guizhou 550025, China
| | - Qinxiong Rao
- Institute for Agri-Food Standard and Testing, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Zehui Liu
- Institute for Agri-Food Standard and Testing, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Junhua Yang
- Institute for Agri-Food Standard and Testing, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China.
| | - Zhihui Zhao
- Institute for Agri-Food Standard and Testing, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
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Wang Z, Miao M, Xu J, Chen Y, Liang H, Yang L, Liu X, Wen S, Tu X, Yuan W. Gestational exposure to bisphenol analogues and kisspeptin levels in pregnant women and their children: A pregnancy-birth cohort study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 848:157720. [PMID: 35914601 DOI: 10.1016/j.scitotenv.2022.157720] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/07/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
Gestational exposure to bisphenol analogues (BPs),especially bisphenol A (BPA), has been associated with adverse pregnancy-related outcomes and altered reproductive development of offspring, but the underlying mechanisms are not well documented. Kisspeptin, a key regulator of reproductive health, could be the potential target for endocrine disrupting compounds like BPs. Among 528 mother-child pairs, we investigated the associations of gestational BPs exposure with kisspeptin levels in two critical life stages, pregnancy and pre-puberty. Maternal BPs and kisspeptin concentrations were measured in urine samples collected in the third trimester. Children's urine samples were collected at 6-year visit and analyzed for kisspeptin levels. Associations were observed between BPA and its alternatives and lower kisspeptin in pregnant women but higher kisspeptin in their children. In contrast, TCBPA was suggestively associated with higher kisspeptin in pregnant women but lower kisspeptin in children. Our study provides the first epidemiologic evidence that gestational exposure to selected BPs may be associated with altered kisspeptin system in both pregnant women and their children, sheds some light on the potential mechanisms underlying the various reproductive health outcomes following gestational BPA exposure, and suggests potential reproductive toxicities of other BPs in humans.
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Affiliation(s)
- Ziliang Wang
- NHC Key Lab. of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, China
| | - Maohua Miao
- NHC Key Lab. of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, China
| | - Jianhua Xu
- NHC Key Lab. of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, China
| | - Yafei Chen
- NHC Key Lab. of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, China
| | - Hong Liang
- NHC Key Lab. of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, China
| | - Lan Yang
- NHC Key Lab. of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, China
| | - Xiao Liu
- Hubei Provincial Key Laboratory of Applied Toxicology, National Reference Laboratory of Dioxin, Hubei Provincial Center for Disease Control and Prevention, 35 North Zhuo Dao Quan Road, Wuhan 430079, China
| | - Sheng Wen
- Hubei Provincial Key Laboratory of Applied Toxicology, National Reference Laboratory of Dioxin, Hubei Provincial Center for Disease Control and Prevention, 35 North Zhuo Dao Quan Road, Wuhan 430079, China
| | - Xiaowen Tu
- NHC Key Lab. of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, China.
| | - Wei Yuan
- NHC Key Lab. of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, China.
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Xiong S, Hao Y, Fu J, Wang P, Yang R, Pei Z, Li Y, Li A, Zhang Q, Jiang G. Legacy and novel brominated flame retardants in air of Ny-Ålesund, Arctic from 2011 to 2019. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 313:120195. [PMID: 36126770 DOI: 10.1016/j.envpol.2022.120195] [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: 05/09/2022] [Revised: 09/13/2022] [Accepted: 09/13/2022] [Indexed: 06/15/2023]
Abstract
Concentrations of polybrominated diphenyl ethers (PBDEs) and novel brominated flame retardants (NBFRs) in the atmosphere of Ny-Ålesund, Svalbard, were investigated. Passive air samples were collected for eight consecutive one-year periods from August 2011 to August 2019 at seven Arctic sampling sites. High-resolution gas chromatography coupled with high-resolution mass spectrometry (HRGC-HRMS) and gas chromatography coupled with election capture negative ionization mass spectrometry (GC-NCI-MS) were employed for PBDE and NBFR analysis, respectively. The median concentrations of Ʃ11PBDEs and Ʃ6NBFRs were 0.6 pg/m3 and 4.0 pg/m3, respectively. Hexabromobenzene and BDE-47 were the most abundant NBFR and PBDE congeners in the atmosphere, accounting for 31% and 24% of ƩNBFR and ƩPBDE concentrations, respectively. ƩNBFR concentration was approximately six times higher than that of ƩPBDEs in the same samples. Among NBFRs, the concentrations of 1,2,3,4,5-pentabromobenzene, 2,3,4,5,6-pentabromobenzene, and 2,3-dibromopropyl-2,4,6-tribromophenyl ether showed increasing temporal variations, with estimated doubling times of 3.0, 3.3, and 2.8 years, respectively. The concentrations of almost all PBDE congeners showed a decreasing variation, with halving times ranging from 2.1 to 9.5 years.
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Affiliation(s)
- Siyuan Xiong
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310024, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yanfen Hao
- Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan, 430056, China
| | - Jianjie Fu
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310024, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Pu Wang
- Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan, 430056, China
| | - Ruiqiang Yang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhiguo Pei
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yingming Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - An Li
- School of Public Health, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Qinghua Zhang
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310024, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
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Ye S, Tan X, Yang H, Xiong J, Zhu H, Song H, Chen G. Catalytic removal of attached tetrabromobisphenol A from microplastic surface by biochar activating oxidation and its impact on potential of disinfection by-products formation. WATER RESEARCH 2022; 225:119191. [PMID: 36215841 DOI: 10.1016/j.watres.2022.119191] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 09/24/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
There are numerous studies concerning the impacts of widespread microplastic pollution on the ecological environment, and it shows synergistic effect of microplastics and co-exposed pollutants in risk enhancement. However, the control methods for removing harmful pollutants from microplastic surface to reduce their ecological toxicity has rarely been explored. In this paper, magnetic graphitized biochar as a catalyst is shown to achieve 97% removal of tetrabromobisphenol A (TBBPA) from microplastics by biochar mediated electron transfer. The changes in the surface and structure of microplastics caused by various aging processes affected the pollutant attachment and subsequent removal efficiency. After chlorination, the highest disinfection by-product (DBP) generation potential was observed by the group of microplastics attached with TBBPA. The oxidation system of biochar activating peroxodisulfate (PDS) can not only reduce the kinds of DBPs, but also greatly reduce the total amount of detected DBPs by 76%, as well as reducing the overall toxicity. This paper highlights an overlooked contribution of pollutant attachment to the potential risks of DBP generated from natural microplastics during chlorination process, and provides the underlying insights to guide the design of a biochar-based catalyst from wastes to achieve the removal of TBBPA from microplastics and reduce the risks and hazards of co-contamination.
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Affiliation(s)
- Shujing Ye
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, PR China.
| | - Xiaofei Tan
- College of Environmental Science and Engineering and Key Laboratory of Environmental Biology and Pollution Control (Ministry of Education), Hunan University, Changsha 410082, PR China
| | - Hailan Yang
- College of Environmental Science and Engineering and Key Laboratory of Environmental Biology and Pollution Control (Ministry of Education), Hunan University, Changsha 410082, PR China
| | - Jianhua Xiong
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, PR China
| | - Hongxiang Zhu
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning 530004, PR China
| | - Hainong Song
- Guangxi Bossco Environmental Protection Technology Co., Ltd., Nanning 530007, PR China
| | - Guoning Chen
- Guangxi Bossco Environmental Protection Technology Co., Ltd., Nanning 530007, PR China
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41
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Hao Y, Xiong S, Wang P, Yang R, Pei Z, Li Y, Zhang Q, Jiang G. Novel brominated and organophosphate flame retardants in the atmosphere of Fildes Peninsula, West Antarctica: Continuous observations from 2011 to 2020. JOURNAL OF HAZARDOUS MATERIALS 2022; 440:129776. [PMID: 35988490 DOI: 10.1016/j.jhazmat.2022.129776] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/02/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
Novel brominated flame retardants (NBFRs) and organophosphate esters (OPEs) have been widely detected in various environmental matrices worldwide and raised public concerns in recent years. However, few studies reported their occurrence and temporal trend in Antarctic air. In this study, concentrations, distribution, and temporal trends of NBFRs and OPEs in the air of Fildes Peninsula, West Antarctica, were investigated using XAD resin-based passive air sampling from January 2011 to January 2020. Air concentrations of the total OPEs (Σ7OPEs) were one to two orders of magnitude higher than those of the total NBFRs (Σ6NBFRs). Decabromodiphenyl ethane and tris(2-chloroethyl) phosphate were the most abundant NBFR and OPE congeners, respectively. Significant positive correlations were observed among hexabromobenzene, pentabromoethylbenzene, and pentabromotoluene, indicating that their occurrence in Antarctic air may be affected by similar sources. No spatial differences in any of the NBFR and OPE congeners were observed, implying minor impact from local scientific research stations. Linear regression analysis was used to evaluate the temporal trends of NBFRs and OPEs in Antarctic air, with decreasing trends observed for Σ6NBFRs and Σ7OPEs. This is one of the rare studies providing a comprehensive investigation of the temporal trends in NBFRs and OPEs in Antarctic air and highlights concern regarding the contamination of these chemicals in remote polar regions.
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Affiliation(s)
- Yanfen Hao
- State Key Laboratory of Precision Blasting, School of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Siyuan Xiong
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Pu Wang
- State Key Laboratory of Precision Blasting, School of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Ruiqiang Yang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiguo Pei
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yingming Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Qinghua Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
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Keilen EK, Borgå K, Thorstensen HS, Hylland K, Helberg M, Warner N, Bæk K, Reiertsen TK, Ruus A. Differences in Trophic Level, Contaminant Load, and DNA Damage in an Urban and a Remote Herring Gull (Larus argentatus) Breeding Colony in Coastal Norway. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2466-2478. [PMID: 35860956 PMCID: PMC9826413 DOI: 10.1002/etc.5441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 05/23/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
Herring gulls (Larus argentatus) are opportunistic feeders, resulting in contaminant exposure depending on area and habitat. We compared contaminant concentrations and dietary markers between two herring gull breeding colonies with different distances to extensive human activity and presumed contaminant exposure from the local marine diet. Furthermore, we investigated the integrity of DNA in white blood cells and sensitivity to oxidative stress. We analyzed blood from 15 herring gulls from each colony-the urban Oslofjord near the Norwegian capital Oslo in the temperate region and the remote Hornøya island in northern Norway, on the Barents Sea coast. Based on d13 C and d34 S, the dietary sources of urban gulls differed, with some individuals having a marine and others a more terrestrial dietary signal. All remote gulls had a marine dietary signal and higher relative trophic level than the urban marine feeding gulls. Concentrations (mean ± standard deviation [SD]) of most persistent organic pollutants, such as polychlorinated biphenyl ethers (PCBs) and perfluorooctane sulfonic acid (PFOS), were higher in urban marine (PCB153 17 ± 17 ng/g wet weight, PFOS 25 ± 21 ng/g wet wt) than urban terrestrial feeders (PCB153 3.7 ± 2.4 ng/g wet wt, PFOS 6.7 ± 10 ng/g wet wt). Despite feeding at a higher trophic level (d15 N), the remote gulls (PCB153 17 ± 1221 ng/g wet wt, PFOS 19 ± 1421 ng/g wet wt) were similar to the urban marine feeders. Cyclic volatile methyl siloxanes were detected in only a few gulls, except for decamethylcyclopentasiloxane in the urban colony, which was found in 12 of 13 gulls. Only hexachlorobenzene was present in higher concentrations in the remote (2.6 ± 0.42 ng/g wet wt) compared with the urban colony (0.34 ± 0.33 ng/g wet wt). Baseline and induced DNA damage (doublestreak breaks) was higher in urban than in remote gulls for both terrestrial and marine feeders. Environ Toxicol Chem 2022;41:2466-2478. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
| | - Katrine Borgå
- Department of BiosciencesUniversity of OsloOsloNorway
| | | | - Ketil Hylland
- Department of BiosciencesUniversity of OsloOsloNorway
| | | | | | - Kine Bæk
- The Norwegian Institute for Water ResearchOsloNorway
| | | | - Anders Ruus
- Department of BiosciencesUniversity of OsloOsloNorway
- The Norwegian Institute for Water ResearchOsloNorway
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43
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Lewis PJ, Lashko A, Chiaradia A, Allinson G, Shimeta J, Emmerson L. New and legacy persistent organic pollutants (POPs) in breeding seabirds from the East Antarctic. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 309:119734. [PMID: 35835279 DOI: 10.1016/j.envpol.2022.119734] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 07/02/2022] [Accepted: 07/04/2022] [Indexed: 06/15/2023]
Abstract
Persistent organic pollutants (POPs) are pervasive and a significant threat to the environment worldwide. Yet, reports of POP levels in Antarctic seabirds based on blood are scarce, resulting in significant geographical gaps. Blood concentrations offer a snapshot of contamination within live populations, and have been used widely for Arctic and Northern Hemisphere seabird species but less so in Antarctica. This paper presents levels of legacy POPs (polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs) and polybrominated diphenyl ethers (PBDEs)) and novel brominated flame retardants (NBFRs) in the blood of five Antarctic seabird species breeding within Prydz Bay, East Antarctica. Legacy PCBs and OCPs were detected in all species sampled, with Adélie penguins showing comparatively high ∑PCB levels (61.1 ± 87.6 ng/g wet weight (ww)) compared to the four species of flying seabirds except the snow petrel (22.5 ± 15.5 ng/g ww), highlighting that legacy POPs are still present within Antarctic wildlife despite decades-long bans. Both PBDEs and NBFRs were detected in trace levels for all species and hexabromobenzene (HBB) was quantified in cape petrels (0.3 ± 0.2 ng/g ww) and snow petrels (0.2 ± 0.1 ng/g ww), comparable to concentrations found in Arctic seabirds. These results fill a significant data gap within the Antarctic region for POPs studies, representing a crucial step forward assessing the fate and impact of legacy POPs contamination in the Antarctic environment.
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Affiliation(s)
- Phoebe J Lewis
- School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria, 3001, Australia.
| | - Anna Lashko
- Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania, 7050, Australia
| | - Andre Chiaradia
- Conservation Department, Phillip Island Nature Parks, Victoria, 3925, Australia
| | - Graeme Allinson
- School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria, 3001, Australia
| | - Jeff Shimeta
- School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria, 3001, Australia
| | - Louise Emmerson
- Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania, 7050, Australia
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A Multi-Matrix Metabolomic Approach in Ringed Seals and Beluga Whales to Evaluate Contaminant and Climate-Related Stressors. Metabolites 2022; 12:metabo12090813. [PMID: 36144217 PMCID: PMC9502077 DOI: 10.3390/metabo12090813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 07/14/2022] [Accepted: 07/18/2022] [Indexed: 11/17/2022] Open
Abstract
As a high trophic-level species, ringed seals (Pusa hispida) and beluga whales (Delphinapterus leucas) are particularly vulnerable to elevated concentrations of biomagnifying contaminants, such as polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs) and mercury (Hg). These species also face climate-change-related impacts which are leading to alterations in their diet and associated contaminant exposure. The metabolomic profile of marine mammal tissues and how it changes to environmental stressors is poorly understood. This study characterizes the profiles of 235 metabolites across plasma, liver, and inner and outer blubber in adult ringed seals and beluga whales and assesses how these profiles change as a consequence of contaminants and dietary changes. In both species, inner and outer blubber were characterized by a greater proportion of lipid classes, whereas the dominant metabolites in liver and plasma were amino acids, carbohydrates, biogenic amines and lysophosphatidylcholines. Several metabolite profiles in ringed seal plasma correlated with δ13C, while metabolite profiles in blubber were affected by hexabromobenzene in ringed seals and PBDEs and Hg in belugas. This study provides insight into inter-matrix similarities and differences across tissues and suggests that plasma and liver are more suitable for studying changes in diet, whereas liver and blubber are more suitable for studying the impacts of contaminants.
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45
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Qi Y. Effects of decabromodiphenyl ether (BDE-209) on ultrasonic vocalizations emitted by rat pups during isolation. Neurotoxicol Teratol 2022; 93:107118. [DOI: 10.1016/j.ntt.2022.107118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 07/18/2022] [Accepted: 08/01/2022] [Indexed: 10/16/2022]
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46
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Li Y, Xiong S, Hao Y, Yang R, Zhang Q, Wania F, Jiang G. Organophosphate esters in Arctic air from 2011 to 2019: Concentrations, temporal trends, and potential sources. JOURNAL OF HAZARDOUS MATERIALS 2022; 434:128872. [PMID: 35429759 DOI: 10.1016/j.jhazmat.2022.128872] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/30/2022] [Accepted: 04/04/2022] [Indexed: 06/14/2023]
Abstract
Concentrations of seven organophosphate ethers (OPEs) were quantified in passive air samples deployed for eight consecutive one-year periods from August 2011 to August 2019 at seven sampling sites in the area of Ny-Ålesund, Svalbard, Arctic. Non-chlorinated and chlorinated OPEs were approximately equally abundant and the mean atmospheric concentration for the sum of OPEs was around 300 pg/m3. Levels of OPEs were two orders of magnitude higher than those of polybrominated diphenyl ethers in the sampling regions, likely a result of efficient long-range transport and higher environmental release rates. For the two most abundant compounds, tris(2-chloroethyl) phosphate and tris-n-butyl phosphate, increasing temporal trends in atmospheric concentrations were observed, with estimated doubling times of 2.9 and 4.2 years, respectively. Slightly elevated OPE levels at two sampling sites in the vicinity of a research station and the local airport suggest the possible influence of local contamination sources. Re-volatilization from glaciers may also influence levels of OPE in the Arctic atmosphere.
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Affiliation(s)
- Yingming Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Siyuan Xiong
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China; School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China
| | - Yanfen Hao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Ruiqiang Yang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qinghua Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China; School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China.
| | - Frank Wania
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
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47
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Marler H, Xie J, Adams DH, Nielsen CK, Wu Y, Chen D. Legacy and emerging flame retardants in sharks from the Western North Atlantic Ocean. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 829:154330. [PMID: 35306075 DOI: 10.1016/j.scitotenv.2022.154330] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 03/02/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Following the discontinuation of commercial polybrominated diphenyl ether (PBDE) mixtures, a variety of alternative flame retardants (FRs) have been developed and employed. To understand the contamination status of these emerging FRs in marine fish and wildlife, we investigated their bioaccumulation in four shark species, including shortfin mako shark (Isurus oxyrhinchus; n = 26), porbeagle (Lamna nasus; n = 4), sandbar shark (Carcharhinus plumbeus; n = 6), and common thresher (Alopias vulpinus; n = 4), from coastal and offshore waters of the western North Atlantic Ocean. Median concentrations of emerging FRs, including dechlorane analogues (i.e., dechlorane plus, Dec-602, -603, and - 604), tetrabromo-o-chlorotoluene (TBCT), 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE), and hexabromobenzene (HBBZ), ranged from 1.4-7.4, 10.2-22.4, 1.0-16.7, and 4.1-17.7 ng/g lipid weight (lw), respectively. Although concentrations of emerging FRs were generally 1-2 orders of magnitude lower than those of legacy FRs (i.e., PBDEs, 312-800 ng/g lw and hexabromocyclododecane or HBCDD, 17.2-99.3 ng/g lw), they were detected in more than 80% of the shark livers. Analysis of available biological data indicated that fork length significantly correlated with the concentrations of ΣPBDEs, HBCDD, ΣDechloranes or TBCT in shortfin mako livers. This indicates that longer-term exposure likely results in elevated FR concentrations in sharks. Our findings suggest likely exposure of western North Atlantic fish and wildlife to several emerging FRs, including dechloranes, BTBPE, HBBZ, and TBCT. Additional studies are needed to better elucidate their potential risks to fish and wildlife as well as the variety of environmental and biological factors influencing these risks.
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Affiliation(s)
- Hillary Marler
- Cooperative Wildlife Research Laboratory, Department of Zoology, Southern Illinois University, Carbondale, IL 62901, United States
| | - Jinxin Xie
- School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510621, China
| | - Douglas H Adams
- Cape Canaveral Scientific Inc, 220 Surf Road, Melbourne Beach, FL 32951, United States
| | - Clayton K Nielsen
- Cooperative Wildlife Research Laboratory, Department of Forestry, Southern Illinois University, Carbondale, IL 62901, United States
| | - Yan Wu
- Key Laboratory of Geographic Information Science, Ministry of Education, School of Geographic Sciences, East China Normal University, Shanghai 200241, China
| | - Da Chen
- School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510621, China.
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Zhao Y, Wang X, Tang X, Zhao Y. Toxicity of 2, 2', 4, 4'-tetrabromodiphenyl ether (BDE-47) on the green microalgae Chlorella sp. and the role of cellular oxidative stress. MARINE POLLUTION BULLETIN 2022; 180:113810. [PMID: 35665619 DOI: 10.1016/j.marpolbul.2022.113810] [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: 03/16/2022] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 06/15/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs) are toxic to marine organisms including the major primary producer phytoplankton, while the toxic mechanisms haven't yet been fully clarified. Therefore, we comprehensively studied the toxic mechanisms of BDE-47 on the marine chlorophyte Chlorella sp., with a focus on the role of cellular oxidative stress. The results indicate that BDE-47 stress resulted in the inhibition of population growth as well as cell death and programmed cell death. The antioxidant system was activated in both low and high BDE-47 treatments, but only microalgal cells in the high BDE-47 treatment showed cellular oxidative stress. By adding ROS inhibitor, the relief of photosynthetic inhibition, Ca2+ overproduction and cell death was found. Therefore, we conclude that photosynthetic damage, cell death and cellular oxidative stress were the major mechanisms of BDE-47 toxicity to Chlorella sp., and that cellular oxidative stress played an important role in mediating the other mechanisms.
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Affiliation(s)
- Yirong Zhao
- College of Marine Life Sciences, Department of Marine Ecology, Ocean University of China, Qingdao 266003, China
| | - Xin Wang
- College of Marine Life Sciences, Department of Marine Ecology, Ocean University of China, Qingdao 266003, China
| | - Xuexi Tang
- College of Marine Life Sciences, Department of Marine Ecology, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Yan Zhao
- College of Marine Life Sciences, Department of Marine Ecology, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China.
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49
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Randulff ST, Abbasi NA, Eulaers I, Nygård T, Covaci A, Eens M, Malarvannan G, Lepoint G, Løseth ME, Jaspers VLB. Feathers as an integrated measure of organohalogen contamination, its dietary sources and corticosterone in nestlings of a terrestrial bird of prey, the northern Goshawk (Accipiter gentilis). THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 828:154064. [PMID: 35240173 DOI: 10.1016/j.scitotenv.2022.154064] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 02/13/2022] [Accepted: 02/17/2022] [Indexed: 06/14/2023]
Abstract
In this study, we evaluated the suitability of body feathers, preen oil and plasma for estimation of organohalogen compound (OHC) exposure in northern goshawk Accipiter gentilis nestlings (n = 37; 14 nests). In addition, body feathers received further examination concerning their potential to provide an integrated assessment of (1) OHC exposure, (2) its dietary sources (carbon sources and trophic position) and (3) adrenal gland response (corticosterone). While tetrabromobisphenol A was not detected in any sample, the presence of polychlorinated biphenyls, organochlorine pesticides, polybrominated diphenyl ethers and hexabromocyclododecane in body feathers (median: 23, 19, 1.6 and 3.5 ng g-1 respectively), plasma (median: 7.5, 6.2, 0.50 and 1.0 ng g-1 ww, respectively) and preen oil (median: 750, 600, 18 and 9.57 ng g-1 ww, respectively) suggests analytical suitability for biomonitoring of major OHCs in the three matrices. Furthermore, strong and significant associations (0.20 ≤ R2 ≤ 0.98; all P < 0.05) among the OHC concentrations in all three tissues showed that body feathers and preen oil reliably reflect circulating plasma OHC levels. Of the dietary proxies, δ13C (carbon source) was the most suitable predictor for variation in feather OHCs concentrations, while no significant relationships between body feather OHCs and δ15N (trophic position) were found. Finally, body feather corticosterone concentrations were not related to variation in OHC concentrations. This is the first study to evaluate feathers of a terrestrial bird of prey as an integrated non-destructive tool to jointly assess nestling ecophysiology and ecotoxicology.
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Affiliation(s)
- Sina T Randulff
- Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway
| | - Naeem A Abbasi
- College of Earth and Environmental Sciences (CEES), University of the Punjab, Quaid-e-Azam campus, Lahore, Pakistan.
| | - Igor Eulaers
- Arctic Research Centre, Department of Bioscience, Aarhus University, Roskilde, Denmark
| | - Torgeir Nygård
- Unit for Terrestrial Ecology, Norwegian Institute for Nature Research, Trondheim, Norway
| | - Adrian Covaci
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Marcel Eens
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Wilrijk, Belgium
| | - Govindan Malarvannan
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Gilles Lepoint
- Laboratory of Trophic and Isotopes Ecology (LETIS), UR FOCUS, University of Liège, Liège, Belgium
| | - Mari E Løseth
- Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway; Norwegian Geotechnical Institute (NGI), Oslo, Norway
| | - Veerle L B Jaspers
- Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway.
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50
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Nagar N, Bartrons M, Brucet S, Davidson TA, Jeppesen E, Grimalt JO. Seabird-mediated transport of organohalogen compounds to remote sites (North West Greenland polynya). THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 827:154219. [PMID: 35240191 DOI: 10.1016/j.scitotenv.2022.154219] [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: 01/17/2022] [Revised: 02/15/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
The role of sea birds as carriers of pollutants over long distances was evaluated by analyzing organochlorine and organobromine compounds in lake sediment cores from three remote sites around the North Water polynya (North West Greenland). One lake, NOW5, was in the vicinity of a little auk (Alle alle L.) bird colony, whereas the other two lakes, NOW14 and Q5, were undisturbed by seabirds. The former was strongly acidic (pH = 3.4) but the latter had a pH close to 8. Due to the guano loading, NOW5 exhibited higher chlorophyll concentrations (74 μg/L) than the other two lakes (1.6-3.4 μg/L), higher content of total phosphorous (0.34 mg/L vs. 0.007-0.01 mg/L) and total nitrogen (3.75 mg/L vs. 0.21-0.75 mg/L). The concentrations of all organohalogen compounds were substantially greater in NOW5 than in the other lakes, indicating the strong influence of these seabirds in the transport and deposition of these compounds to remote sites. However, not all compounds showed the same increases. Hexachlorocyclohexanes and endosulfans were more than 18 times higher in NOW5, the drin pesticides and hexachlorobenzene (HCB), between 9.5 and 18 times and DDTs, polybromodiphenyl ethers (PBDEs), polychlorobiphenyls (PCBs) and chlordanes about 2.7-6 times. These differences demonstrated that the bird-mediated deposition has preservation effects of the less stable and more volatile compounds, e.g. those with log Kaw < -2.4, log Koa < 9 and/or log Kow < 6.8. The sedimentary fluxes of PCBs, HCHs, drins, chlordanes, PBDEs, HCB and endosulfans were highest in the upper sediment layer of the polynya lake (year 2014). In contrast, the highest DDT fluxes were found in 1980. These trends indicate that despite restrictions and regulations, bird transport continues to introduce considerable amounts of organohalogen pollutants to the Arctic regions with the exception of DDTs, which show successful decline, even when mediated by bird metabolism.
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Affiliation(s)
- Nupur Nagar
- Aquatic Ecology Research Group, University of Vic., de la Laura, 13, 08500-Vic, Catalonia, Spain; Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona, 18, 08034-Barcelona, Catalonia, Spain
| | - Mireia Bartrons
- Aquatic Ecology Research Group, University of Vic., de la Laura, 13, 08500-Vic, Catalonia, Spain
| | - Sandra Brucet
- Aquatic Ecology Research Group, University of Vic., de la Laura, 13, 08500-Vic, Catalonia, Spain; ICREA, Catalan Institution for Research and Additional Studies, Passeig Lluís Companys 23, 08010-Barcelona, Catalonia, Spain
| | - Thomas A Davidson
- Department of Ecoscience and Arctic Research Centre, Aarhus University, Vejlsøvej, 25, 8600 Silkeborg, Denmark
| | - Erik Jeppesen
- Department of Ecoscience and Arctic Research Centre, Aarhus University, Vejlsøvej, 25, 8600 Silkeborg, Denmark; Sino-Danish Centre for Education and Research, University of Chinese Academy of Sciences (UCAS), Room N501, UCAS Teaching Building, Zhongguancun Campus, Zhongguancun South 1st Alley, Haidian District, Beijing 100190, People's Republic of China; Limnology Laboratory, Department of Biological Sciences and Centre for Ecosystem Research and Implementation, Middle East Technical University, 06800-Ankara, Turkey; Institute of Marine Sciences, Middle East Technical University, 33731-Mersin, Turkey
| | - Joan O Grimalt
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona, 18, 08034-Barcelona, Catalonia, Spain.
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