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Wang R, Zhang C, Li X, Sha W, Xue Z, Zhou Z, Ma Y, Zhu S, Guo Z, Zhao B, Zhang W. Toxicological evaluation of TBBPA by common carp (Cyprinus carpio) about the in vivo/vitro disturbance of the AHR pathway. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166622. [PMID: 37647967 DOI: 10.1016/j.scitotenv.2023.166622] [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: 07/08/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/01/2023]
Abstract
Tetrabromobisphenol A (TBBPA) is a widely used plastic additive with high bioaccumulation potential and toxicity on both humans and wildlife. Currently, research on its ecotoxicity and the underlying mechanism is limited. Using common carp (Cyprinus carpio), we evaluated the toxicity of TBBPA, especially focusing on its alteration of a key metabolism-related pathway aryl hydrocarbon receptor (AHR), using in vivo/vitro assays and in silico simulation. The 96 h LC50 of TBBPA of common carp was 4.2 mg/L and belonged to the acute toxic level II. The bioaccumulation potential of TBBPA follows the role of liver > gill > brain and varies between 3- and 14-day exposure. On the AHR pathway respect, as expected, the metabolism-related cyp1a1 and cyp1b1 were upregulated in the liver and brain. Ahr2, the receptor, was also upregulated in the brain under TBBPA exposure. The alteration of gene expression was tissue-specific while the difference between 3- or 14-day exposure was minor. AHR inhibition assay indicated the 2, 3, 7, 8-tetrachlorodibenzo-p-dioxin (TCDD)-induced AHR transactivation can be inhibited by TBBPA suggesting it is not a potent agonist but a competitive antagonist. In silico analysis indicated TBBPA can be successfully docked into the binding cavity with similar poses but still have AHR-form-specific interactions. Molecular dynamics simulation proved TBBPA can be more flexible than the coplanar ligand TCDD, especially in ccaAHR1b with greater root-mean-square deviation (RMSD), of which TCDD-induced transactivation seemed not to be blocked by TBBPA. This research increased the understanding of TBBPA toxicity and alteration of the AHR pathway, and pointed out the need to perform additional toxicology evaluation of emerging contaminants, especially on non-model species.
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Affiliation(s)
- Renjun Wang
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Chen Zhang
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Xingyang Li
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Weilai Sha
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Zhenhong Xue
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Zhiguang Zhou
- State Environmental Protection Key Laboratory of Dioxin Pollution Control, National Research Center for Environmental Analysis and Measurement, Beijing 100029, China
| | - Yongchao Ma
- Department of Medicine, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Shuyun Zhu
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, China
| | - Zitong Guo
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Bin Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Wanglong Zhang
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China.
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Deygas F, Amadou A, Coudon T, Grassot L, Couvidat F, Bessagnet B, Faure E, Salizzoni P, Gulliver J, Caudeville J, Severi G, Mancini FR, Leffondré K, Fervers B, Praud D. Long-term atmospheric exposure to PCB153 and breast cancer risk in a case-control study nested in the French E3N cohort from 1990 to 2011. ENVIRONMENTAL RESEARCH 2021; 195:110743. [PMID: 33450235 DOI: 10.1016/j.envres.2021.110743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 12/18/2020] [Accepted: 01/08/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Although the genetic and hormonal risk factors of breast cancer are well identified, they cannot fully explain the occurrence of all cases. Epidemiological and experimental studies have suggested that exposure to environmental pollutants, especially those with potential estrogenic properties, as polychlorinated biphenyls (PCBs) may have a role in breast cancer development. Being the most abundantly detected in human tissues and in the environment, congener 153 (PCB153) is widely used in epidemiological studies as indicator for total PCBs exposure. OBJECTIVES We aimed to estimate the association between cumulative atmospheric exposure to PCB153 and breast cancer risk. METHODS We conducted a case-control study of 5222 cases and 5222 matched controls nested within the French E3N cohort from 1990 to 2011. Annual atmospheric PCB153 concentrations were simulated with the deterministic chemistry-transport model (CHIMERE) and were assigned to women using their geocoded residential history. Their cumulative PCB153 exposure was calculated for each woman from their cohort inclusion to their index date. Breast cancer odds ratios (ORs) associated with cumulative PCB153 exposure and their 95% confidence intervals (95% CIs) were estimated using multivariate conditional logistic regression models. RESULTS Overall, our results showed a statistically significant linear increase in breast cancer risk related to cumulative atmospheric exposure to PCB153 as a continuous variable (adjusted OR = 1.19; 95% CI: 1.08-1.31, for an increment of one standard deviation among controls (55 pg/m3)). Among women who became postmenopausal during follow-up, the association remained statistically significant (adjusted OR = 1.23; 95% CI: 1.09-1.39). In analyses by hormone receptors status, the positive association remained significant only for ER-positive breast cancer (adjusted OR = 1.18; 95% CI: 1.05-1.33). DISCUSSION This study is the first to have estimated the impact of atmospheric exposure to PCB153 on breast cancer risk. Our results showed a statistically significant increase in breast cancer risk, which may be limited to ER-positive breast cancer. These results warrant confirmation in further independent studies but raise the possibility that exposure to PCB153 increase breast cancer risk.
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Affiliation(s)
- Floriane Deygas
- Department of Prevention, Cancer and Environment, Centre Léon Bérard, Lyon, France; Inserm U1296, "Radiation: Defense, Health and Environment", Centre Léon Bérard, Lyon, France
| | - Amina Amadou
- Department of Prevention, Cancer and Environment, Centre Léon Bérard, Lyon, France; Inserm U1296, "Radiation: Defense, Health and Environment", Centre Léon Bérard, Lyon, France
| | - Thomas Coudon
- Department of Prevention, Cancer and Environment, Centre Léon Bérard, Lyon, France; Inserm U1296, "Radiation: Defense, Health and Environment", Centre Léon Bérard, Lyon, France; Ecole Centrale de Lyon, University Claude Bernard Lyon 1, Ecully, France
| | - Lény Grassot
- Department of Prevention, Cancer and Environment, Centre Léon Bérard, Lyon, France; Inserm U1296, "Radiation: Defense, Health and Environment", Centre Léon Bérard, Lyon, France
| | - Florian Couvidat
- National Institute for Industrial Environment and Risks (INERIS), Verneuil-en-Halatte, France
| | - Bertrand Bessagnet
- National Institute for Industrial Environment and Risks (INERIS), Verneuil-en-Halatte, France; Citepa, Technical Reference Center for Air Pollution and Climate Change, Paris, France
| | - Elodie Faure
- Inserm U1018, Centre for Research in Epidemiology and Population Health (CESP), Team "Exposome and Heredity", Gustave Roussy, Villejuif, France
| | - Pietro Salizzoni
- Ecole Centrale de Lyon, University Claude Bernard Lyon 1, Ecully, France
| | - John Gulliver
- Centre for Environmental Health and Sustainability, School of Geography, Geology and the Environment, University of Leicester, Leicester, United Kingdom
| | - Julien Caudeville
- National Institute for Industrial Environment and Risks (INERIS), Verneuil-en-Halatte, France
| | - Gianluca Severi
- Inserm U1018, Centre for Research in Epidemiology and Population Health (CESP), Team "Exposome and Heredity", Gustave Roussy, Villejuif, France; Department of Statistics, Computer Science and Applications "G. Parenti", University of Florence, Italy
| | - Francesca Romana Mancini
- Inserm U1018, Centre for Research in Epidemiology and Population Health (CESP), Team "Exposome and Heredity", Gustave Roussy, Villejuif, France.
| | - Karen Leffondré
- University of Bordeaux, ISPED, Inserm U1219, Bordeaux Population Health Center, Bordeaux, France
| | - Béatrice Fervers
- Department of Prevention, Cancer and Environment, Centre Léon Bérard, Lyon, France; Inserm U1296, "Radiation: Defense, Health and Environment", Centre Léon Bérard, Lyon, France.
| | - Delphine Praud
- Department of Prevention, Cancer and Environment, Centre Léon Bérard, Lyon, France; Inserm U1296, "Radiation: Defense, Health and Environment", Centre Léon Bérard, Lyon, France
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Hernández-Mesa M, Le Bizec B, Dervilly G. Metabolomics in chemical risk analysis – A review. Anal Chim Acta 2021; 1154:338298. [DOI: 10.1016/j.aca.2021.338298] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 12/14/2022]
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Guo JY, Wang MZ, Wang MS, Sun T, Wei FH, Yu XT, Wang C, Xu YY, Wang L. The Undervalued Effects of Polychlorinated Biphenyl Exposure on Breast Cancer. Clin Breast Cancer 2020; 20:12-18. [DOI: 10.1016/j.clbc.2019.07.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Accepted: 07/07/2019] [Indexed: 12/26/2022]
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Leng L, Li J, Luo XM, Kim JY, Li YM, Guo XM, Chen X, Yang QY, Li G, Tang NJ. Polychlorinated biphenyls and breast cancer: A congener-specific meta-analysis. ENVIRONMENT INTERNATIONAL 2016; 88:133-141. [PMID: 26735351 DOI: 10.1016/j.envint.2015.12.022] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 12/18/2015] [Accepted: 12/18/2015] [Indexed: 05/20/2023]
Abstract
The incidence of breast cancer is related to various risk factors, especially that the environmental and lifestyle factors account for major contribution at the rate of 70% to 95% over all. However, there still remains some controversy over the epidemiological evidence regarding the effects of environmental carcinogens on the risk of breast cancer. We conducted a quantitative meta-analysis aiming at full evaluation of the effects of polychlorinated biphenyls (PCBs) on breast cancer in a congener-specific fashion. Four online literature databases were systematically searched before 1st January 2015, for studies stating correlation between PCB congeners and breast cancer. The Newcastle-Ottawa Scale was used to evaluate the quality of the studies that were included in our analysis. Sixteen studies were included in our final meta-analysis after screening based on the priori inclusion criteria. Nine PCB congeners were reported by more than two studies and they were presented in detail. The pooled Odds Ratios (ORs) showed a significant increase in the risk of breast cancer in individuals with higher plasma/fat levels of PCB 99 (OR: 1.36; 95% CI: 1.02 to 1.80), PCB 183 (OR: 1.56; 95% CI: 1.25 to 1.95) and PCB 187 (OR: 1.18; 95% CI: 1.01 to 1.39). Besides, the outcomes did not support a relationship between dioxin-like PCB congeners and the risk of breast cancer. The results of our meta-analysis imply that PCB 99, PCB 183 and PCB 187 would increase the risk of breast cancer. The mechanism of this increased risk may be by the induction of the CYP2B family in cytochrome P450 enzymes.
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Affiliation(s)
- Ling Leng
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Jing Li
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Xiu-Mei Luo
- Department of Toxicology, School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Jun-Young Kim
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Yi-Meng Li
- Department of Biomedical Information, Library, Tianjin Medical University, Tianjin 300070, China
| | - Xue-Mei Guo
- Department of Biomedical Information, Library, Tianjin Medical University, Tianjin 300070, China
| | - Xi Chen
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Qiao-Yun Yang
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Guang Li
- Basic Medical College, Tianjin Medical University, Tianjin 300070, China.
| | - Nai-Jun Tang
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin 300070, China.
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Sycheva LP, Umnova NV, Kovalenko MA, Zhurkov VS, Shelepchikov AA, Roumak VS. Dioxins and cytogenetic status of villagers after 40 years of agent Orange application in Vietnam. CHEMOSPHERE 2016; 144:1415-1420. [PMID: 26495825 DOI: 10.1016/j.chemosphere.2015.10.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 09/07/2015] [Accepted: 10/02/2015] [Indexed: 06/05/2023]
Abstract
We have examined cytogenetic status of the rural population living on dioxin-contaminated territories (DCT, TCDD in soil 2.6 ng/kg) compared to the villagers of the control area (TCDD in soil 0.18 ng kg(-1)). The examination took place almost 40 years after the war. The consequences of some confounding factors (years of residence in the region, farming, and aging) has been examined. Karyological analysis of buccal and nasal epitheliocytes among healthy adult males living on DCT and control area (26 and 35 persons) was conducted. A wide range of cytogenetic (micronuclei, nuclear protrusions), proliferative (binucleated cells and cells with doubled nucleus) and endpoints of cell death (cells with perinuclear vacuoles, with damaged nucleus membrane, condensed chromatin, pyknosis, karyorrhexis, karyolysis) had been analyzed. The frequent amount of cells with nuclear protrusions in both epithelia was slightly decreased in the DСT group. Biomarkers of early and late stages of nuclear destruction in buccal epithelium (cells with damaged nuclear membrane, karyolysis) were elevated significantly in DCT. Higher level of the same parameters was also identified in nasal epithelium. The cytogenetic status of healthy adult males on DCT had got "normalization" by present moment in comparison with our early data. Nevertheless, in exposed group some alteration of the cytogenetic status was being registered (mostly biomarkers of apoptosis). Years of residence (and exposure to dioxins) affected the cytogenetic status of DCT inhabitants, whereas no influence of farming factors (pesticides, fertilizers, etc.) had been discovered. Some biomarkers of proliferation and cell death were affected by aging.
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Affiliation(s)
- Lyudmila P Sycheva
- A.N. Sysin Research Institute of Human Ecology and Environmental Health, Ministry of Health of the Russian Federation, Moscow, Russia.
| | - Nataliya V Umnova
- A.N. Severtsov Institute of Ecology and Evolution, RAS, Moscow, Russia
| | - Maria A Kovalenko
- A.N. Sysin Research Institute of Human Ecology and Environmental Health, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Vjacheslav S Zhurkov
- A.N. Sysin Research Institute of Human Ecology and Environmental Health, Ministry of Health of the Russian Federation, Moscow, Russia
| | | | - Vladimir S Roumak
- A.N. Severtsov Institute of Ecology and Evolution, RAS, Moscow, Russia
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Muusse M, Christensen G, Gomes T, Kočan A, Langford K, Tollefsen KE, Vaňková L, Thomas KV. Characterization of AhR agonists reveals antagonistic activity in European herring gull (Larus argentatus) eggs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 514:211-218. [PMID: 25666281 DOI: 10.1016/j.scitotenv.2015.01.101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Revised: 01/28/2015] [Accepted: 01/28/2015] [Indexed: 06/04/2023]
Abstract
European herring gull (Larus argentatus) eggs from two Norwegian islands, Musvær in the south east and Reiaren in Northern Norway, were screened for dioxins, furans, and dioxin-like and selected non-dioxin-like polychlorinated biphenyls (PCBs), and subjected to non-target analysis to try to identify the aryl hydrocarbon receptor (AhR) agonists, responsible for elevated levels measured using the dioxin responsive chemically activated luciferase expression (DR-CALUX) assay. Eggs from Musvær contained chemically calculated toxic equivalent (WHO TEQ) levels of between 109 and 483 pg TEQ/g lw, and between 82 and 337 pg TEQ/g lw was determined in eggs from Reiaren. In particular PCB126 contributed highly to the total TEQ (69-82%). In 19 of the 23 samples the calculated WHO TEQ was higher than the TEQCALUX. Using CALUX specific relative effect potencies (REPs), the levels were lower at between 77 and 292 pg/g lw in eggs from Musvær and between 55 and 223 pg/g lw in eggs from Reiaren, which was higher than the TEQCALUX in 16 of the 23 samples. However, the means of the REP values and the TEQCALUX were not significantly different. This suggests the presence of compounds that can elicit antagonist effects, with a low binding affinity to the AhR. Non-target analysis identified the presence of hexachlorobenzene (HCB) (quantified at 9.6-185 pg/g lw) but neither this compound nor high concentrations of PCB126 and non-dioxin-like PCBs could explain the differences between the calculated TEQ or REP values and the TEQCALUX. Even though, for most AhR agonists, the sensitivity of herring gulls is not known, the reported levels can be considered to represent a risk for biological effects in the developing embryo, compared to LC50 values in chicken embryos. For human consumers of herring gull eggs, these eggs contain TEQ levels up to four times higher than the maximum tolerable weekly intake.
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Affiliation(s)
- Martine Muusse
- Norwegian Institute for Water Research (NIVA), Gaustadalleen 21, N-0349 Oslo, Norway; University of Oslo, Dept. of Bioscience, Postboks N-0316 Blindern, Oslo, Norway.
| | | | - Tânia Gomes
- Norwegian Institute for Water Research (NIVA), Gaustadalleen 21, N-0349 Oslo, Norway
| | - Anton Kočan
- Research Centre for Toxic Compounds in the Environment, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Katherine Langford
- Norwegian Institute for Water Research (NIVA), Gaustadalleen 21, N-0349 Oslo, Norway
| | - Knut Erik Tollefsen
- Norwegian Institute for Water Research (NIVA), Gaustadalleen 21, N-0349 Oslo, Norway
| | - Lenka Vaňková
- Research Centre for Toxic Compounds in the Environment, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Kevin V Thomas
- Norwegian Institute for Water Research (NIVA), Gaustadalleen 21, N-0349 Oslo, Norway
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