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Ricker K, Cheng V, Hsieh CJ, Tsai FC, Osborne G, Li K, Yilmazer-Musa M, Sandy MS, Cogliano VJ, Schmitz R, Sun M. Application of the Key Characteristics of Carcinogens to Bisphenol A. Int J Toxicol 2024; 43:253-290. [PMID: 38204208 DOI: 10.1177/10915818231225161] [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] [Indexed: 01/12/2024]
Abstract
The ten key characteristics (KCs) of carcinogens are based on characteristics of known human carcinogens and encompass many types of endpoints. We propose that an objective review of the large amount of cancer mechanistic evidence for the chemical bisphenol A (BPA) can be achieved through use of these KCs. A search on metabolic and mechanistic data relevant to the carcinogenicity of BPA was conducted and web-based software tools were used to screen and organize the results. We applied the KCs to systematically identify, organize, and summarize mechanistic information for BPA, and to bring relevant carcinogenic mechanisms into focus. For some KCs with very large data sets, we utilized reviews focused on specific endpoints. Over 3000 studies for BPA from various data streams (exposed humans, animals, in vitro and cell-free systems) were identified. Mechanistic data relevant to each of the ten KCs were identified, with receptor-mediated effects, epigenetic alterations, oxidative stress, and cell proliferation being especially data rich. Reactive and bioactive metabolites are also associated with a number of KCs. This review demonstrates how the KCs can be applied to evaluate mechanistic data, especially for data-rich chemicals. While individual entities may have different approaches for the incorporation of mechanistic data in cancer hazard identification, the KCs provide a practical framework for conducting an objective examination of the available mechanistic data without a priori assumptions on mode of action. This analysis of the mechanistic data available for BPA suggests multiple and inter-connected mechanisms through which this chemical can act.
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Affiliation(s)
- Karin Ricker
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA
| | - Vanessa Cheng
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA
| | - Chingyi Jennifer Hsieh
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Sacramento, CA, USA
| | - Feng C Tsai
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA
| | - Gwendolyn Osborne
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA
| | - Kate Li
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA
| | - Meltem Yilmazer-Musa
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA
| | - Martha S Sandy
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA
| | - Vincent J Cogliano
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA
| | - Rose Schmitz
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA
| | - Meng Sun
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Sacramento, CA, USA
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Ahn C, Jeung EB. Endocrine-Disrupting Chemicals and Disease Endpoints. Int J Mol Sci 2023; 24:ijms24065342. [PMID: 36982431 PMCID: PMC10049097 DOI: 10.3390/ijms24065342] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 02/24/2023] [Indexed: 03/18/2023] Open
Abstract
Endocrine-disrupting chemicals (EDCs) have significant impacts on biological systems, and have been shown to interfere with physiological systems, especially by disrupting the hormone balance. During the last few decades, EDCs have been shown to affect reproductive, neurological, and metabolic development and function and even stimulate tumor growth. EDC exposure during development can disrupt normal development patterns and alter susceptibility to disease. Many chemicals have endocrine-disrupting properties, including bisphenol A, organochlorines, polybrominated flame retardants, alkylphenols, and phthalates. These compounds have gradually been elucidated as risk factors for many diseases, such as reproductive, neural, and metabolic diseases and cancers. Endocrine disruption has been spread to wildlife and species that are connected to the food chains. Dietary uptake represents an important source of EDC exposure. Although EDCs represent a significant public health concern, the relationship and specific mechanism between EDCs and diseases remain unclear. This review focuses on the disease-EDC relationship and the disease endpoints associated with endocrine disruption for a better understanding of the relationship between EDCs-disease and elucidates the development of new prevention/treatment opportunities and screening methods.
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Affiliation(s)
- Changhwan Ahn
- Laboratory of Veterinary Physiology, College of Veterinary Medicine, Jeju National University, Jeju 63243, Republic of Korea
| | - Eui-Bae Jeung
- Laboratory of Veterinary Biochemistry and Molecular Biology, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea
- Correspondence: ; Tel.: +82-043-261-2397; Fax: +82-43-267-3150
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Zhu J, Wang J, Ding Y, Liu B, Xiao W. A systems-level approach for investigating organophosphorus pesticide toxicity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 149:26-35. [PMID: 29149660 DOI: 10.1016/j.ecoenv.2017.10.066] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 10/28/2017] [Accepted: 10/31/2017] [Indexed: 06/07/2023]
Abstract
The full understanding of the single and joint toxicity of a variety of organophosphorus (OP) pesticides is still unavailable, because of the extreme complex mechanism of action. This study established a systems-level approach based on systems toxicology to investigate OP pesticide toxicity by incorporating ADME/T properties, protein prediction, and network and pathway analysis. The results showed that most OP pesticides are highly toxic according to the ADME/T parameters, and can interact with significant receptor proteins to cooperatively lead to various diseases by the established OP pesticide -protein and protein-disease networks. Furthermore, the studies that multiple OP pesticides potentially act on the same receptor proteins and/or the functionally diverse proteins explained that multiple OP pesticides could mutually enhance toxicological synergy or additive on a molecular/systematic level. To the end, the integrated pathways revealed the mechanism of toxicity of the interaction of OP pesticides and elucidated the pathogenesis induced by OP pesticides. This study demonstrates a systems-level approach for investigating OP pesticide toxicity that can be further applied to risk assessments of various toxins, which is of significant interest to food security and environmental protection.
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Affiliation(s)
- Jingbo Zhu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning 116034, PR China; Institute of Chemistry and Applications of Plant Resources, Dalian Polytechnic University, Dalian, Liaoning 16034, PR China.
| | - Jing Wang
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning 116034, PR China; Institute of Chemistry and Applications of Plant Resources, Dalian Polytechnic University, Dalian, Liaoning 16034, PR China; Jiangsu Kanion Pharmaceutical Co. Ltd., Lianyungang, Jiangsu 222000, PR China; State Key Laboratory of Pharmaceutical New-tech for Chinese Medicine, Lianyungang, Jiangsu 222000, PR China
| | - Yan Ding
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning 116034, PR China; Institute of Chemistry and Applications of Plant Resources, Dalian Polytechnic University, Dalian, Liaoning 16034, PR China
| | - Baoyue Liu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning 116034, PR China; Institute of Chemistry and Applications of Plant Resources, Dalian Polytechnic University, Dalian, Liaoning 16034, PR China
| | - Wei Xiao
- Jiangsu Kanion Pharmaceutical Co. Ltd., Lianyungang, Jiangsu 222000, PR China; State Key Laboratory of Pharmaceutical New-tech for Chinese Medicine, Lianyungang, Jiangsu 222000, PR China
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Yap FHX, Chua HC, Tait CP. Active sunscreen ingredients in Australia. Australas J Dermatol 2017; 58:e160-e170. [DOI: 10.1111/ajd.12597] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 11/06/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Francis HX Yap
- Department of Dermatology; Royal Perth Hospital; Perth Western Australia Australia
| | - Hock C Chua
- Department of Dermatology; Fiona Stanley Hospital; Perth Western Australia Australia
| | - Clare P Tait
- Department of Dermatology; Royal Perth Hospital; Perth Western Australia Australia
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Bioaccumulation assessment of the sunscreen agent 2-ethylhexyl 4-(N,N-dimethylamino)benzoate in human semen by automated online SPE-LC-MS/MS. Anal Bioanal Chem 2011; 401:1003-11. [DOI: 10.1007/s00216-011-5141-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2011] [Revised: 05/23/2011] [Accepted: 05/24/2011] [Indexed: 11/25/2022]
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DeMaleki Z, Lai EPC, Dabek-Zlotorzynska E. Capillary electrophoresis characterization of molecularly imprinted polymer particles in fast binding with 17β-estradiol. J Sep Sci 2011; 33:2796-803. [PMID: 20658488 DOI: 10.1002/jssc.201000257] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Molecularly imprinted polymer (MIP) submicron particles were synthesized, using either ethylene glycol dimethacrylate or trimethylolpropane trimethacrylate as a cross-linker, specifically for recognition of 17β-estradiol (E2). HPLC with fluorescence detection (HPLC-FD) results showed that 90(±5)% of E2 bound onto these particles after 2 min of incubation, and 96(±3)% after long equilibrium. The binding capacity was 8(±3) μmol/g for MIP particles prepared using ethylene glycol dimethacrylate, and 33-43(±8) μmol/g for using trimethylolpropane trimethacrylate. CE separation of MIP and non-imprinted polymer particles was successful when 50 mM borate buffer (pH 8.5) containing 0.005% w/v EOTrol™ LN in reverse polarity (-30 kV) was used. The electrophoretic mobilities of MIP and non-imprinted polymer particles, together with dynamic light scattering measurement of particle sizes, allowed for an estimation of their surface charges. Automated injection of E2 and particles in mixture set a lower limit of 20(±1) s on incubation time for the study of fast binding kinetics. The presence of E2 and bisphenol A (BPA) together tested the selectivity of MIP particles, when the two compounds competed for available binding cavities or sites. Addition of E2 after BPA confirmed E2 occupation of the specific binding cavities, via displacement of BPA.
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Affiliation(s)
- Zack DeMaleki
- Department of Chemistry, Carleton University, Ottawa, ON, Canada
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Oziol L, Bouaïcha N. First evidence of estrogenic potential of the cyanobacterial heptotoxins the nodularin-R and the microcystin-LR in cultured mammalian cells. JOURNAL OF HAZARDOUS MATERIALS 2010; 174:610-615. [PMID: 19828236 DOI: 10.1016/j.jhazmat.2009.09.095] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2009] [Revised: 09/16/2009] [Accepted: 09/16/2009] [Indexed: 05/28/2023]
Abstract
The estrogenic activity of cyanobacterial hepatotoxins microcystin-LR (MC-LR) and nodularin-R (NOD-R) was for the first time investigated invitro in a stably transfect cell line with an estrogen-regulated luciferase gene. Treatment of cells with NOD-R caused a dose-dependent increase in the luciferase activity. NOD-R gave rise to an induction of luciferase activity with an EC(50) value of 66.4 nM, whereas the positive control, 17beta-estradiol (E2) had an EC(50) of 9.6 pM. This indicates that NOD-R is a 6900-fold weaker inducer of luciferase than E2. In contrast, only a slight but significant activation of the luciferase gene was observed with MC-LR between 2.01 and 60.1 nM, and a maximal-induced response was observed with 10.1 nM, approximately 25% of the maximal effect obtained with 1 nM E2. The decrease in the luciferase activity at high MC-LR concentrations can be explained by a cytotoxic effect. No synergistic estrogenic effect was observed when each toxin was co-administrated with E2. However, the induction of the luciferase activity by NOD-R and MC-LR was inhibited by co-treatment with 1 microM of the pure estrogenic receptor (ER) antagonist ICI 182,780, thus proving the ER-dependency of the estrogenic effect.
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Affiliation(s)
- Lucie Oziol
- Laboratoire Ecologie, Systématique et Evolution (UMR 8079), Université Paris-Sud 11, Bâtiment 362, 91405 Orsay Cedex, France
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Lai EPC, Maleki ZD, Wu S. Characterization of molecularly imprinted and nonimprinted polymer submicron particles specifically tailored for removal of trace 17β-estradiol in water treatment. J Appl Polym Sci 2009. [DOI: 10.1002/app.31698] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Micael J, Reis-Henriques MA, Carvalho AP, Santos MM. Genotoxic effects of binary mixtures of xenoandrogens (tributyltin, triphenyltin) and a xenoestrogen (ethinylestradiol) in a partial life-cycle test with Zebrafish (Danio rerio). ENVIRONMENT INTERNATIONAL 2007; 33:1035-9. [PMID: 17631965 DOI: 10.1016/j.envint.2007.06.004] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2006] [Revised: 06/02/2007] [Accepted: 06/04/2007] [Indexed: 05/16/2023]
Abstract
A partial life-cycle test with the model fish Danio rerio was performed in order to evaluate the genotoxic potential of binary mixtures of xenoandrogenic (tributyltin--TBT; triphenyltin--TPT) and an estrogenic compound (ethinylestradiol--EE2). Five days post-fertilisation larvae were diet-exposed to environmental relevant concentrations of TBT and TPT (25 ng/g-100 ng/g), and water-exposed to ethinylestradiol (3.5 ng/L) for a four-month period; binary mixtures of TBT plus EE2 and TPT plus EE2 were run in parallel. The erythrocytic nuclear abnormalities (ENA) assay in circulating erythrocytes was used to evaluate genotoxicity in the end of the four-month exposure period. A significant increase (p<0.05, Kruskall-Wallis non-parametric ANOVA) in ENA frequency, in comparison with control animals, was observed in those animals exposed to TBT and TPT (the highest doses only), and to EE2 and the binary mixtures, although neither synergistic nor additive effects of the tested compounds were evident. Overall, the results clearly indicate that chronic exposure to low levels of TBT, TPT, EE2 and binary mixtures of TBT plus EE2 and TPT plus EE2 are genotoxic to zebrafish, which may suggest that wild fish populations may be under increased DNA damage in areas contaminated by these endocrine disrupting chemicals.
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Affiliation(s)
- J Micael
- CIIMAR-Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 177, 4050-123 Porto, Portugal
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