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Zhu X, Cao L, Liu Y, Tang X, Miao Y, Zhang J, Zhang L, Jia Z, Chen J. Genotoxicity of bisphenol AF in rats: Detrimental to male reproductive system and probable stronger micronucleus induction potency than BPA. J Appl Toxicol 2024; 44:428-444. [PMID: 37837293 DOI: 10.1002/jat.4552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/13/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023]
Abstract
Bisphenol AF (BPAF), as one of structural analogs of BPA, has been increasingly used in recent years. However, limited studies have suggested its adverse effects similar to or higher than BPA. In order to explore the general toxicity and genotoxicity of subacute exposure to BPAF, the novel 28-day multi-endpoint (Pig-a assay + micronucleus [MN] test + comet assay) genotoxicity evaluation platform was applied. Male rats were randomly distributed into seven main experimental groups and four satellite groups. The main experimental groups included BPAF-treated groups (0.5, 5, and 50 μg/kg·bw/d), BPA group (10 μg/kg·bw/d), two solvent control groups (PBS and 0.1% ethanol/99.9% oil), and one positive control group (N-ethyl-N-nitrosourea, 40 mg/kg bw). The satellite groups included BPAF high-dose recovery group (BPAF-HR), oil recovery group (oil-R), ENU recovery group (ENU-R), and PBS recovery group (PBS-R). All groups received the agents orally via gavage for 28 consecutive days, and satellite groups were given a recovery period of 35 days. Among all histopathologically examined organs, testis and epididymis damage was noticed, which was further manifested as blood-testis barrier (BTB) junction protein (Connexin 43 and Occludin) destruction. BPAF can induce micronucleus production and DNA damage, but the genotoxic injury can be repaired after the recovery period. The expression of DNA repair gene OGG1 was downregulated by BPAF. To summarize, under the design of this experiment, male reproductive toxicity of BPAF was noticed, which is similar to that of BPA, but its ability to induce micronucleus production may be stronger than that of BPA.
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Affiliation(s)
- Xia Zhu
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Second People's Hospital of Yibin City, Yibin, China
| | - Li Cao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, China
| | - Yufei Liu
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, China
| | - Xinyao Tang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, China
| | - Yeqiu Miao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, China
| | - Jing Zhang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, China
| | - Lishi Zhang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, China
| | - Zhenchao Jia
- Department of Prevention and Health Care, Sichuan University Hospital of Sichuan University, Chengdu, China
| | - Jinyao Chen
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, China
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Moscoso-Ruiz I, Cantarero-Malagón S, Rivas A, Zafra-Gómez A. New analytical method for the determination of endocrine disruptors in human faeces using gas chromatography coupled to tandem mass spectrometry. Anal Bioanal Chem 2024; 416:1085-1099. [PMID: 38108843 DOI: 10.1007/s00216-023-05087-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/25/2023] [Accepted: 11/30/2023] [Indexed: 12/19/2023]
Abstract
Endocrine-disrupting chemicals are environmental pollutants that can enter our bodies and cause diverse pathologies. Some bisphenols and parabens have been shown to be capable of modifying proper functioning of the endocrine system. Among other dysfunctions, endocrine-disrupting chemicals can cause changes in intestinal microbiota. Faeces are a convenient matrix that can be useful for identifying the quantity of endocrine disruptors that reach the intestine and the extent to which the organism is exposed to these pollutants. The present work developed a new analytical method to determine 17 compounds belonging to the paraben and bisphenol families found in human faeces. The extraction method was optimized using an ultrasound-assisted extraction technique followed by a clean-up step based on the QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) technique. Optimization was performed using the design of experiments technique. In validation analysis, the method was proven to be linear over a wide range. R-squared outcomes were between 95 and 99%. Selectiveness and sensitivity outcomes were acceptable, with detection limits being between 1 and 10 ng g-1 in all cases, whilst quantification limits were between 3 and 25 ng g-1 in all instances, with the exception of bisphenol AF. The method was deemed accurate, with recovery values being close to 100% and relative standard deviations being lower than 15% in all cases. Applicability was examined by analysing 13 samples collected from volunteers (male and female). All samples were contaminated with at least one of the analytes studied. The most commonly found compounds were methylparaben and bisphenol A, which were detected in almost all samples and quantitatively determined in 11 and 12 samples, respectively. Of the 17 compounds analysed, 11 were found in at least one sample. Outcomes demonstrate that faeces can be a good matrix for the determination of exposure to contaminants of interest here.
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Affiliation(s)
- Inmaculada Moscoso-Ruiz
- Department of Analytical Chemistry, University of Granada, 18071, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.Granada, 18016, Granada, Spain
| | | | - Ana Rivas
- Instituto de Investigación Biosanitaria Ibs.Granada, 18016, Granada, Spain
- Department of Nutrition and Food Science, University of Granada, 18071, Granada, Spain
- Institute of Nutrition and Food Technology (INYTA)"José Mataix Verdú", Biomedical Research Centre (CIBM), University of Granada, 18100, Granada, Spain
| | - Alberto Zafra-Gómez
- Department of Analytical Chemistry, University of Granada, 18071, Granada, Spain.
- Instituto de Investigación Biosanitaria Ibs.Granada, 18016, Granada, Spain.
- Institute of Nutrition and Food Technology (INYTA)"José Mataix Verdú", Biomedical Research Centre (CIBM), University of Granada, 18100, Granada, Spain.
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3
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Wu X, Li S, Ni Y, Qi C, Bai S, Xu Q, Fan Y, Ma X, Lu C, Du G, Xu Z, Qin Y. Maternal BPAF exposure impaired synaptic development and caused behavior abnormality in offspring. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 256:114859. [PMID: 37023647 DOI: 10.1016/j.ecoenv.2023.114859] [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: 12/09/2022] [Revised: 03/12/2023] [Accepted: 03/29/2023] [Indexed: 06/19/2023]
Abstract
Bisphenol A (BPA) has been widely restricted, leading to a significant increase in the production of bisphenol AF (BPAF), one of the most common bisphenol analogs use as a substitute for BPA. However, there is limit evidence on the neurotoxicity of BPAF, especially the potential effects of maternal exposed to BPAF on offspring. A maternal BPAF exposure model was used to evaluate its effects on long-term neurobehaviors in offspring. We found that maternal BPAF exposure resulted in immune disorders, characterized by abnormal CD4+T cell subsets, and their offspring exhibited anxiety- and depression-like behaviors, as well as impairments in learning-memory, sociability and social novelty. Further, brain bulk RNA-sequencing (RNA-seq) and hippocampus single-nucleus RNA-sequencing (snRNA-seq) of offspring showed that differentially expressed genes (DEGs) were enriched in pathways related to synaptic and neurodevelopment. Synaptic ultra-structure of offspring was damaged after maternal BPAF exposure. In conclusion, maternal BPAF exposure induced behavior abnormality in adult offspring, together with synaptic and neurodevelopment defects, which might be related to maternal immune dysfunction. Our results provide a comprehensive insight into the neurotoxicity mechanism of maternal BPAF exposure during gestation. Given the increasing and ubiquitous exposure to BPAF, especially during sensitive periods of growth and development, the safety of BPAF requires urgent attention.
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Affiliation(s)
- Xiaorong Wu
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; School of Public Health, Southwest Medical University, Luzhou, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Shiqi Li
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yangyue Ni
- Department of Pathogen Biology, Jiangsu Province Key Laboratory of Modern Pathogen Biology, Nanjing Medical University, Nanjing, China
| | - Caoyan Qi
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Shengjun Bai
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Qiaoqiao Xu
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yun Fan
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xuan Ma
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Chuncheng Lu
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Guizhen Du
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China.
| | - Zhipeng Xu
- Department of Pathogen Biology, Jiangsu Province Key Laboratory of Modern Pathogen Biology, Nanjing Medical University, Nanjing, China.
| | - Yufeng Qin
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China.
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Tuzimski T, Szubartowski S. Application of Solid-Phase Extraction and High-Performance Liquid Chromatography with Fluorescence Detection to Analyze Eleven Bisphenols in Amniotic Fluid Samples Collected during Amniocentesis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19042309. [PMID: 35206500 PMCID: PMC8872576 DOI: 10.3390/ijerph19042309] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 02/06/2023]
Abstract
Amniocentesis involves taking a sample of the amniotic fluid in order to perform a karyotype test and diagnose any genetic defects that may affect the fetus. Amniotic fluid has been collected from patients with an indication for amniocentesis in the 15–26th week of pregnancy. A simple and sensitive high-performance liquid chromatography with fluorescence detection (HPLC-FLD) method for identification and quantification of eleven selected bisphenols in amniotic fluid samples is proposed. The proposed method involved protein precipitation using acetonitrile, and next the extraction and concentration of analytes by solid-phase extraction (SPE). The solid-phase extraction (SPE) procedure with application of Oasis HLB SPE columns performed well for the majority of the analytes, with recoveries in the range of 67–121% and relative standard deviations (RSD%) less than 16%. The limits of detection (LODs) and quantification (LOQs) of all the investigated analytes were in the range of 0.8–2.5 ng mL−1 and 2.4–7.5 ng mL−1 (curves constructed in methanol) and 1.1–5.2 ng mL−1 and 3.2–15.6 ng mL−1 (curves constructed in the amniotic fluid), respectively. The method was validated at the following two concentration levels: 10 ng mL−1 (2 × LOQ) and 20 ng mL−1 (4 LOQ). The results confirm the validity of the SPE procedure and HPLC-FLD method for identification and quantification of bisphenols in amniotic fluid samples collected during an amniocentesis. The result obtained show that HPLC-FLD is a useful method for determination of bisphenol residues at nanogram per milliliter concentrations in amniotic fluid samples. Residues of five analytes (BADGE·2H2O, BPAF, BADGE, BADGE·H2O·HCl and BADGE·2HCl) were detected in amniotic fluid samples. Additionally, the harmfulness of bisphenols as potential pathogens that may cause karyotype disorders and contribute to preterm birth was estimated.
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Affiliation(s)
- Tomasz Tuzimski
- Department of Physical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
- Correspondence:
| | - Szymon Szubartowski
- Department of Physical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
- Doctoral School of Medical University of Lublin, Medical University of Lublin, Chodźki 7, 20-093 Lublin, Poland
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5
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Gong M, Song H, Dong Y, Huai Z, Fu Y, Yu P, Huang B, Yang R, Guo Y, Meng Q, Gao Y, Song L, Guo Q, Gao Q, Yin X, Wang S, Shi Y, Shi H. Sex-dependent and long-lasting effects of bisphenol AF exposure on emotional behaviors in mice. Physiol Behav 2022; 249:113747. [DOI: 10.1016/j.physbeh.2022.113747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 02/12/2022] [Accepted: 02/15/2022] [Indexed: 10/19/2022]
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Goralczyk K. A Review of the Impact of Selected Anthropogenic Chemicals from the Group of Endocrine Disruptors on Human Health. TOXICS 2021; 9:146. [PMID: 34202868 PMCID: PMC8309764 DOI: 10.3390/toxics9070146] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/12/2021] [Accepted: 06/23/2021] [Indexed: 11/16/2022]
Abstract
BACKGROUND The aim of the study was to review data on the impact of anthropogenic chemicals (endocrine disruptors) on various diseases, which, consequently, may facilitate their prevention and be used as a tool for managing public healthcare. Every day, humans are exposed to chemicals, including xenoestrogens, which are similar to female hormones. METHODS This manuscript was prepared based on a meta-analysis of research on the impacts of selected EDCs on human health. RESULTS Special attention should be paid to bisphenol A (BPA), benzo-α-pyrene, and phthalates due to their proven endocrine activity and presence in our daily lives. Xenoestrogens are absorbed by human organisms through the digestive system since they can migrate to food from food packages and drinks as well as from plastic products used daily. The presence of these chemicals in human organisms is considered a potential cause for some diseases commonly referred to as 'diseases of civilization'. CONCLUSIONS The biomonitoring of xenoestrogens, which are chemicals with unfavorable impacts on human health, is a crucial tool for assessing the risk from the pollution of the environment. The novelty is a holistic approach to assessing the occurrence of risk factors for civilization diseases.
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Affiliation(s)
- Katarzyna Goralczyk
- Institute of Biology Science in Warsaw, University of Cardinal Stefan Wyszynski, Wóycickiego 1/3, 01-938 Warsaw, Poland
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7
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Sun Y, Huang J, Shan L, Fan S, Zhu Z, Liu X. Quantitative analysis of bisphenol analogue mixtures by terahertz spectroscopy using machine learning method. Food Chem 2021; 352:129313. [PMID: 33657480 DOI: 10.1016/j.foodchem.2021.129313] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 02/05/2021] [Accepted: 02/05/2021] [Indexed: 12/19/2022]
Abstract
Quantitative analysis of complex mixtures is a great challenge for spectral analysis. Bisphenol A (BpA) is a chemical predominantly used in manufacturing and is being replaced by other analogs due to its potential toxicity. Reliability methods is hence crucial for identification and quantification of bisphenol mixtures. In this study we present an attractive strategy for composition determination of BpA incorporated in its analogue mixtures. Terahertz spectra of four bisphenol components are analyzed using machine learning method (SVR) to learn the underlying model of the frequency against the target concentration of BpA in mixtures. The learned mode predicts the concentrations of the unknown samples with decision coefficient R2 = 0.98. Absorption spectra for bisphenols mixtures were successfully reconstructed by a hold-out validation scheme. The results indicate the terahertz spectroscopy in combination with SVR is robust and accurate in mixture quantitative analysis and should play a significant role for industrial applications in the future.
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Affiliation(s)
- Yiwen Sun
- National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Guangdong, Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Jialiang Huang
- National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Guangdong, Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Lianxin Shan
- National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Guangdong, Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Shuting Fan
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Zexuan Zhu
- College of Computer Science and Software Engineering, Shenzhen University, Shenzhen 518060, China
| | - Xudong Liu
- National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Guangdong, Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen 518060, China.
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Huang M, Li X, Jia S, Liu S, Fu L, Jiang X, Yang M. Bisphenol AF induces apoptosis via estrogen receptor beta (ERβ) and ROS-ASK1-JNK MAPK pathway in human granulosa cell line KGN. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 270:116051. [PMID: 33189448 DOI: 10.1016/j.envpol.2020.116051] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/14/2020] [Accepted: 11/06/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol AF (BPAF) is an emerging environmental pollutant. Although BPAF is widely spread in the environment and human surroundings, its interference with ovarian function has not been fully elucidated. The aim of this study was to identify the mechanism underlying the effect of BPAF on the apoptosis of KGN cells, which maintain the physiological characteristics of ovarian granulosa cells. Our results indicated that BPAF induces KGN cell apoptosis in a concentration- and time-dependent manner. Meanwhile, BPAF exposure significantly promoted the expression of pro-apoptotic proteins, including Bax, Bid and Bak, while the expression of anti-apoptotic proteins, such as Bcl-2, Bcl-xL and Mcl-1, decreased significantly. We further detected a significant increase in intracellular ROS levels in response to high concentrations of BPAF exposure. After blocking the corresponding pathway, it was found that ROS mediates ASK1 and JNK activation. Furthermore, the role of Ca2+ overload and estrogen receptor β (ERβ) in BPAF-induced KGN cell apoptosis was also confirmed by using inhibitors. These results suggest that BPAF has potential reproductive toxicity for females, and ROS-ASK1-JNK axis may play a key role in BPAF-induced ovarian dysfunction. In addition, Ca2+ overload and ERβ pathway activation may also be an important mechanism of reproductive toxicity of BPAF.
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Affiliation(s)
- Mingquan Huang
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China; Sichuan Treatment Center for Gynaecologic and Breast Diseases (Breast Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Xingjie Li
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Shengjun Jia
- Animal Disease Prevention and Control Center of Zhongshan District, Liupanshui, 553000, China
| | - Shuang Liu
- Department of Reproductive Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Li Fu
- Department of Reproductive Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Xue Jiang
- Department of Reproductive Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Meng Yang
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China; Department of Reproductive Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China.
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9
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Šimková M, Tichý A, Dušková M, Bradna P. Dental composites - a low-dose source of bisphenol A? Physiol Res 2020; 69:S295-S304. [PMID: 33094627 PMCID: PMC8603723 DOI: 10.33549/physiolres.934518] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 04/27/2020] [Indexed: 11/25/2022] Open
Abstract
Dental composite materials often contain monomers with bisphenol A (BPA) structure in their molecules, e.g. bisphenol-A glycidyl dimethacrylate (Bis-GMA). In this study, it was examined whether dental restorative composites could be a low-dose source of BPA or alternative bisphenols, which are known to have endocrine-disrupting effects. Bis-GMA-containing composites Charisma Classic (CC) and Filtek Ultimate Universal Restorative (FU) and "BPA-free" Charisma Diamond (CD) and Admira Fusion (AF) were examined. Specimens (diameter 6 mm, height 2 mm, n=5) were light-cured from one side for 20 s and stored at 37 °C in methanol which was periodically changed over 130 days to determine the kinetics of BPA release. BPA concentrations were measured using a dansyl chloride derivatization method with liquid chromatography - tandem mass spectrometry detection. The amounts of BPA were expressed in nanograms per gram of composite (ng/g). BPA release from Bis-GMA-containing CC and FU was significantly higher compared to "BPA-free" CD and AF. The highest 1-day release was detected with FU (15.4+/-0.8 ng/g), followed by CC (9.1+/-1.1 ng/g), AF (2.1+/-1.3 ng/g), and CD (1.6+/-0.8 ng/g), and the release gradually decreased over the examined period. Detected values were several orders of magnitude below the tolerable daily intake (4 microg/kg body weight/day). Alternative bisphenols were not detected. BPA was released even from "BPA-free" composites, although in significantly lower amounts than from Bis-GMA-containing composites. Despite incubation in methanol, detected amounts of BPA were substantially lower than current limits suggesting that dental composites should not pose a health risk if adequately polymerized.
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Affiliation(s)
- M Šimková
- Institute of Endocrinology, Prague, Czech Republic. , Institute of Dental Medicine, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic.
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Liu Q, Shao W, Weng Z, Zhang X, Ding G, Xu C, Xu J, Jiang Z, Gu A. In vitro evaluation of the hepatic lipid accumulation of bisphenol analogs: A high-content screening assay. Toxicol In Vitro 2020; 68:104959. [PMID: 32763284 DOI: 10.1016/j.tiv.2020.104959] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 08/01/2020] [Accepted: 08/01/2020] [Indexed: 02/06/2023]
Abstract
Bisphenol A (BPA) has a variety of adverse effects on human health; therefore, BPA analogs are increasingly used as replacements. Notably, recent studies have revealed that BPA exposure induced hepatic lipid accumulation, but few studies are available regarding the similar effects of other bisphenol analogues (BPs). Thus, in the present study, a high-content screening (HCS) assay was performed to simultaneously evaluate the hepatic lipid accumulation of 13 BPs in vitro. The BPs induced lipid deposition in HepG2 cells ranking as below: 4,4'-thiodiphenol (TDP) < bisphenol S (BPS) < 4,4'-dihydroxybenzophenone (DHBP) < tetrabromobisphenol A (TBBPA) < tetrachlorobisphenol A (TCBPA) < bisphenol E (BPE) < bisphenol F (BPF) < bisphenol B (BPB) < bisphenol AF (BPAF) < bisphenol A (BPA) < bisphenol C (BPC) < tetramethylbisphenol A (TMBPA) < bisphenol AP (BPAP). Meanwhile, Oil Red O staining and triacylglycerol detection further validated the lipid accumulation elicited by the latter 8 BPs, which exhibited the more significant effects on lipid deposition. Mechanistically, significantly increased expressions of genes involved in fatty acid synthesis and nuclear receptors and decreased levels of genes associated with fatty acid β-oxidation were observed under BPs treatment. Therefore, the present work is the first to systematically provide direct evidence for BPs-induced hepatic lipid accumulation in vitro via HCS, which can be helpful for safety assessments of BPs.
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Affiliation(s)
- Qian Liu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Wentao Shao
- Shanghai East Hospital, Institute of Gallstone Disease, Tongji University School of Medicine, Shanghai 200120, China
| | - Zhenkun Weng
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Xin Zhang
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Guipeng Ding
- Department of Pathology, School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China
| | - Cheng Xu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Jin Xu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Zhaoyan Jiang
- Shanghai East Hospital, Institute of Gallstone Disease, Tongji University School of Medicine, Shanghai 200120, China
| | - Aihua Gu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing 211166, China.
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Šturm S, Škibin A, Pogačnik M, Cerkvenik-Flajs V. Determination of free and total bisphenol A in the urine and feces of orally and subcutaneously dosed sheep by high-performance liquid chromatography with fluorescence detection. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2020; 55:655-668. [PMID: 32378977 DOI: 10.1080/03601234.2020.1759329] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
An analytical procedure has been introduced to enable a study of the excretion of free bisphenol A (BPA), total BPA and its main metabolite bisphenol A glucuronide (BPA-GLUC). In the experiment, in which 100 μg/kg b. w. BPA was administered daily to one Istrian Pramenka sheep for 5 days with consecutive urine and feces samples being taken, BPA and total BPA were determined in samples using high-performance liquid chromatography (HPLC) with fluorescence detection. Because of their good recovery, precision, and sensitivity, the methods have also proved applicable to further ecotoxicological studies of free BPA, BPA-GLUC and total BPA. The results were subsequently compared with reported field studies of BPA in livestock excreta.
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Affiliation(s)
- Sabina Šturm
- Veterinary Faculty, Institute of Pathology, Wild Animals, Fish and Bees, University of Ljubljana, Ljubljana, Slovenia
| | - Andrej Škibin
- Veterinary Faculty, Clinic of Reproduction and Farm Animals, Infrastructure Centre for Sustainable Recultivation Vremščica, University of Ljubljana, Ljubljana, Slovenia
| | - Milan Pogačnik
- Veterinary Faculty, Institute of Pathology, Wild Animals, Fish and Bees, University of Ljubljana, Ljubljana, Slovenia
| | - Vesna Cerkvenik-Flajs
- Veterinary Faculty, Institute of Pathology, Wild Animals, Fish and Bees, University of Ljubljana, Ljubljana, Slovenia
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12
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Li A, Zhuang T, Shi W, Liang Y, Liao C, Song M, Jiang G. Serum concentration of bisphenol analogues in pregnant women in China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 707:136100. [PMID: 31863985 DOI: 10.1016/j.scitotenv.2019.136100] [Citation(s) in RCA: 120] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 12/09/2019] [Accepted: 12/11/2019] [Indexed: 06/10/2023]
Abstract
There is increasing concern regarding human exposure to bisphenol analogues (BPs) due to their widespread use and potentially adverse effects. Nevertheless, information on the occurrence of BPs in pregnant women is limited. In this study, BPs were detected in 181 serum samples from pregnant Chinese women. Ten BPs, including bisphenol S (BPS), bisphenol F (BPF), bisphenol AF (BPAF), bisphenol B (BPB), bisphenol P (BPP), bisphenol Z (BPZ), bisphenol AP (BPAP), tetrabromobisphenol A (TBBPA), tetrabromobisphenol S (TBBPS), and tetrachlorobisphenol A (TCBPA), were positively identified and quantified in serum samples with total BP concentrations (sum of bisphenols: ∑BPs) of 0-144 ng/mL. Concentrations of the two frequently detected compounds, TBBPS and BPS, were 0.593 and 0.113 ng/mL, respectively. The results were also compared with the geographic distributions of the BPs. To our knowledge, this is the first time that TBBPS and TCBPA have been detected in serum samples of pregnant women. These findings suggest that additional studies are urgently needed to identify the risk of maternal and fetal exposure to these compounds.
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Affiliation(s)
- Aijing Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Science, Beijing 100085, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Taifeng Zhuang
- Department of Pediatrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, PR China
| | - Wei Shi
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu 210023, PR China
| | - Yong Liang
- Institute of Environment and Health, Jianghan University, Wuhan 430056, PR China
| | - Chunyang Liao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Science, Beijing 100085, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Maoyong Song
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Science, Beijing 100085, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Science, Beijing 100085, PR China
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13
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Liu Y, Song Y, Cheng B, Dong J, Xu N, Zhou S, Yang Q, Ai X. Development and Validation of a HPLC-HESI-MS/MS Method for Simultaneous Determination of Robenidine Hydrochloride and Its Metabolites in Fish and Exploration of Their Kinetic Regularities in Grass Carp. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01679-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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14
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Meng Z, Tian S, Yan J, Jia M, Yan S, Li R, Zhang R, Zhu W, Zhou Z. Effects of perinatal exposure to BPA, BPF and BPAF on liver function in male mouse offspring involving in oxidative damage and metabolic disorder. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 247:935-943. [PMID: 30823348 DOI: 10.1016/j.envpol.2019.01.116] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/29/2019] [Accepted: 01/29/2019] [Indexed: 05/27/2023]
Abstract
Bisphenols (BPs) are common environmental pollutants that are ubiquitous in the natural environment and can affect human health. In this study, we explored the effects of perinatal exposure to BPA, BPF and BPAF on liver function involving in oxidative damage and metabolic disorders in male mouse offspring. We found that BPA exposure impairs the antioxidant defense system, increases lipid peroxidation, and causes oxidative damage in the liver. Furthermore, the levels of 13 metabolites were significantly altered following BPA exposure. We found that BPF exposure significantly increased the expression and activity of CAT, suggesting disturbances in the antioxidant defense system. Moreover, BPF exposure led to metabolic disorders in the liver due to changes in the levels of 8 key metabolites. Exposure to BPAF caused no negative effects on oxidative damage, but altered the levels of β-glucose and glycogen. In summary, perinatal exposure to BPA, BPF and BPAF differentially influence oxidative damage and metabolic disorders in the livers of male mouse offspring. The impact of early life exposure to BPs now warrants future investigations.
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Affiliation(s)
- Zhiyuan Meng
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Sinuo Tian
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Jin Yan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Ming Jia
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Sen Yan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Ruisheng Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Renke Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Wentao Zhu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China.
| | - Zhiqiang Zhou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
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15
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Sun Y, Lu X, Du P, Xie P, Ullah R. Terahertz spectroscopy of Bisphenol "A", "AF", "S", "E" and the interrelationship between their molecular vibrations. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 209:70-77. [PMID: 30359851 DOI: 10.1016/j.saa.2018.09.051] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 08/16/2018] [Accepted: 09/29/2018] [Indexed: 06/08/2023]
Abstract
Bisphenol "A" is a widespread environmental hormone. After the prohibition on the use of BPA in some applications, it is progressively replaced by its variants. However, these variants of Bisphenol "A" are also noxious. It is therefore of the utmost importance to find the similarity among these materials and put all of them under restriction to avoid harmful effects. Therefore, Bisphenol "A", "AF", "E", and "S" are studied by Terahertz spectroscopy (0.5-2.5 THz). Various molecular vibrations are found and assigned based on density-functional-theory calculations. Refractive Indices are calculated as well. The principal component analysis reveals the critical vibrational frequencies for their detection and shows the correlation between them.
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Affiliation(s)
- Yiwen Sun
- National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Guangdong Provincial Key Laboratory of Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Xingxing Lu
- National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Guangdong Provincial Key Laboratory of Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Pengju Du
- National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Guangdong Provincial Key Laboratory of Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Pengfei Xie
- National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Guangdong Provincial Key Laboratory of Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Ramzan Ullah
- Department of Physics, COMSATS Institute of Information Technology, Islamabad 45550, Pakistan.
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16
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Arancio AL, Cole KD, Dominguez AR, Cohenour ER, Kadie J, Maloney WC, Cilliers C, Schuh SM. Bisphenol A, Bisphenol AF, di-n-butyl phthalate, and 17β-estradiol have shared and unique dose-dependent effects on early embryo cleavage divisions and development in Xenopus laevis. Reprod Toxicol 2018; 84:65-74. [PMID: 30579998 DOI: 10.1016/j.reprotox.2018.12.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 12/15/2018] [Accepted: 12/18/2018] [Indexed: 12/22/2022]
Abstract
Bisphenol A (BPA), Bisphenol AF (BPAF), and di-n-butyl phthalate (DBP) are widespread compounds used in the production of plastics. We used Xenopus laevis to compare their effects on early embryo cell division and development. Directly after in vitro fertilizations, embryos were exposed to BPA, BPAF, DBP, or 17β-estradiol (E2) for up to 96 h. BPA (1-50 μM) and BPAF (0.003-25 μM) caused disrupted cleavage divisions, slowed cytokinesis, and cellular dissociation within 1-6 h. Flexures of the spinal cord, shorter body axis/tail, craniofacial malformations, and significant mortality occurred with environmentally relevant doses of BPAF (LC50 = 0.013 μM). DBP (10-200 μM) showed similar effects, but with severe ventral edema. There were both shared and unique effects of all compounds, with BPAF having the greatest potency and toxicity (BPAF > BPA > estradiol > DBP). These findings underscore the pleiotropic effects of widespread toxicants on early development and highlight the need for better toxicological characterization.
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Affiliation(s)
- Ashley L Arancio
- Department of Biology, School of Science, Saint Mary's College of California, United States
| | - Kyla D Cole
- Department of Biology, School of Science, Saint Mary's College of California, United States
| | - Anyssa R Dominguez
- Department of Biology, School of Science, Saint Mary's College of California, United States
| | - Emry R Cohenour
- Department of Biology, School of Science, Saint Mary's College of California, United States
| | - Julia Kadie
- Department of Biology, School of Science, Saint Mary's College of California, United States
| | - William C Maloney
- Department of Biology, School of Science, Saint Mary's College of California, United States
| | - Chane Cilliers
- Department of Biology, School of Science, Saint Mary's College of California, United States
| | - Sonya M Schuh
- Department of Biology, School of Science, Saint Mary's College of California, United States.
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17
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Liu Y, Wang F, Ai X, Wang Z, Yang Q, Dong J, Xu N. Residue depletion and risk assessment of niclosamide in three species of freshwater fish. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2018; 35:1497-1507. [DOI: 10.1080/19440049.2018.1488184] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Yongtao Liu
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan China
- Research Center for Trace Elements (Guangzhou), Huazhong Agricultural University, Wuhan China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and rural affairs, Beijing China
| | - Fuhua Wang
- Research Center for Trace Elements (Guangzhou), Huazhong Agricultural University, Wuhan China
| | - Xiaohui Ai
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and rural affairs, Beijing China
| | - Zhenyue Wang
- Department of Aquatic Animal medicine, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai China
| | - Qiuhong Yang
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan China
| | - Jing Dong
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan China
| | - Ning Xu
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan China
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18
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Siracusa JS, Yin L, Measel E, Liang S, Yu X. Effects of bisphenol A and its analogs on reproductive health: A mini review. Reprod Toxicol 2018; 79:96-123. [PMID: 29925041 DOI: 10.1016/j.reprotox.2018.06.005] [Citation(s) in RCA: 205] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 04/24/2018] [Accepted: 06/12/2018] [Indexed: 12/31/2022]
Abstract
Known endocrine disruptor bisphenol A (BPA) has been shown to be a reproductive toxicant in animal models. Its structural analogs: bisphenol S (BPS), bisphenol F (BPF), bisphenol AF (BPAF), and tetrabromobisphenol A (TBBPA) are increasingly being used in consumer products. However, these analogs may exert similar adverse effects on the reproductive system, and their toxicological data are still limited. This mini-review examined studies on both BPA and BPA analog exposure and reproductive toxicity. It outlines the current state of knowledge on human exposure, toxicokinetics, endocrine activities, and reproductive toxicities of BPA and its analogs. BPA analogs showed similar endocrine potencies when compared to BPA, and emerging data suggest they may pose threats as reproductive hazards in animal models. While evidence based on epidemiological studies is still weak, we have utilized current studies to highlight knowledge gaps and research needs for future risk assessments.
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Affiliation(s)
- Jacob Steven Siracusa
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States
| | - Lei Yin
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States; ReproTox Biotech LLC, Athens 30602, GA, United States
| | - Emily Measel
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States
| | - Shenuxan Liang
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States
| | - Xiaozhong Yu
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States.
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19
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Noszczyńska M, Piotrowska-Seget Z. Bisphenols: Application, occurrence, safety, and biodegradation mediated by bacterial communities in wastewater treatment plants and rivers. CHEMOSPHERE 2018; 201:214-223. [PMID: 29524822 DOI: 10.1016/j.chemosphere.2018.02.179] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 02/06/2018] [Accepted: 02/28/2018] [Indexed: 05/20/2023]
Abstract
Numerous data indicate that most of bisphenols (BPs) are endocrine disrupters and exhibit cytotoxicity, neurotoxicity, genotoxicity and reproductive toxicity against vertebrates. Nevertheless, they are widely applied in material production what result in their ubiquitous occurrence in ecosystems. While BPA is the most frequently detected in environment, BPAF, BPF and BPS are also often found. Ecosystem particularly exposed to BPs pollution is industrial and municipal wastewater being a common source of BPA in river waters. Different techniques to remove BPs from these ecosystems have been applied, among which biodegradation seems to be the most effective. In this review the current state of knowledge in the field of BPs application, distribution in the environment, effects on animal and human health, and biodegradation mediated by bacterial populations in wastewater treatment plants and rivers is presented.
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Affiliation(s)
- Magdalena Noszczyńska
- Department of Microbiology, University of Silesia, Jagiellońska 28, 40-032 Katowice, Poland.
| | - Zofia Piotrowska-Seget
- Department of Microbiology, University of Silesia, Jagiellońska 28, 40-032 Katowice, Poland.
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20
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Lei B, Sun S, Xu J, Feng C, Yu Y, Xu G, Wu M, Peng W. Low-concentration BPAF- and BPF-induced cell biological effects are mediated by ROS in MCF-7 breast cancer cells. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:3200-3208. [PMID: 28735473 DOI: 10.1007/s11356-017-9709-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 07/04/2017] [Indexed: 06/07/2023]
Abstract
Reactive oxygen species (ROS) induced by bisphenol A (BPA) have been implicated in cellular oxidative damage and carcinogenesis. It is not known whether the potential alternatives of BPA, bisphenol AF (BPAF), and bisphenol F (BPF) can also induce ROS involved in mediating biological responses. This study evaluated the toxicity of BPAF and BPF on cell proliferation, DNA damage, intracellular calcium homeostasis, and ROS generation in MCF-7 human breast cancer cells. The results showed that BPAF at 0.001-1 μM and BPF at 0.01-1 μM significantly increased cell viability and at 25 and 50 μM, both compounds decreased cell viability. At 0.01-10 μM, both BPAF and BPF increased DNA damage and significantly elevated ROS and intracellular Ca2+ levels in MCF-7 cells. These biological effects were attenuated by the ROS scavenger N-acetylcysteine (NAC), indicating that ROS played a key role in the observed biological effects of BPAF and BPF on MCF-7 cells. These findings can deepen our understanding on the toxicity of BPAF and BPF, and provide basis data to further evaluate the potential health harm and establish environmental standard of BPAF and BPF.
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Affiliation(s)
- Bingli Lei
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
| | - Su Sun
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Jie Xu
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Chenglian Feng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing, 100012, China
| | - Yingxin Yu
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
| | - Gang Xu
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Minghong Wu
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Wei Peng
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
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21
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Song Y, Xie P, Cai Z. Metabolism of bisphenol S in mice after oral administration. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2017; 32:495-502. [PMID: 29280213 DOI: 10.1002/rcm.8051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 12/15/2017] [Accepted: 12/17/2017] [Indexed: 06/07/2023]
Abstract
RATIONAL As an important substitute of bisphenol A (BPA), bisphenol S (BPS) shows comparable estrogenic effects. BPS is now widely used in consumer products with widespread human exposures. In order to evaluate the health risk of BPS, it is essential to develop a rapid method for the determination of BPS and its metabolites as well as its biotransformation capacity in vivo. METHODS Two major BPS phase II metabolites, BPS glucuronide (BPS-G) and BPS sulfate (BPS-S), were synthesized and used as standards for the development of UPLC-ESI-MS/MS method. Phase II metabolism of BPS in imprinting control region (ICR) female mice after the oral administration with different dosages (10, 100, 1000 μg/kg body weight) was investigated. RESULTS Urinary elimination was the main excretion route for BPS, with the total recovery ranging from 52.8% to 78.1%. In urine, BPS-G was identified as the predominant metabolite, and the maximum concentrations of BPS-G and BPS-S were obtained at 6 h after the oral administration upon the adjustment by creatinine. BPS was the major compound existed in feces. Only trace amounts of BPS and its metabolites were detected in digestive and excretory related tissues (<1%). CONCLUSIONS The distribution and metabolic pathway of BPS in mice were assessed. More than 50% of BPS was excreted through phase II metabolism. Due to the biological inactivity of BPS-G and BPS-S, rapid metabolism of BPS to BPS-G and BPS-S may result in reduced toxicity of BPS in vivo.
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Affiliation(s)
- Yuanyuan Song
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, SAR, China
| | - Peisi Xie
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, SAR, China
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, SAR, China
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, China
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22
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Zhang H, Yao R, Wang N, Liang R, Qin W. Soluble Molecularly Imprinted Polymer-Based Potentiometric Sensor for Determination of Bisphenol AF. Anal Chem 2017; 90:657-662. [PMID: 29227632 DOI: 10.1021/acs.analchem.7b03432] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Molecularly imprinted polymer (MIP)-based polymeric membrane potentiometric sensors have been successfully developed for determination of organic compounds in their ionic and neutral forms. However, most of the MIP receptors in potentiometric sensors developed so far are insoluble and cannot be well dissolved in the polymeric membranes. The heterogeneous molecular recognitions between the analytes and MIPs in the membranes are inefficient due to the less available binding sites of the MIPs. Herein we describe a novel polymeric membrane potentiometric sensor using a soluble MIP (s-MIP) as a receptor. The s-MIP is synthesized by the swelling of the traditional MIP at a high temperature. The obtained MIP can be dissolved in the plasticized polymeric membrane for homogeneous binding of the imprinted polymer to the target molecules. By using neutral bisphenol AF as a model, the proposed method exhibits an improved sensitivity compared to the conventional MIP-based sensor with a lower detection limit of 60 nM. Moreover, the present sensor exhibits an excellent selectivity over other phenols. We believe that s-MIPs can provide an appealing substitute for the traditional insoluble MIP receptors in the development of polymeric membrane-based electrochemical and optical sensors.
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Affiliation(s)
- Huan Zhang
- School of Chemical Engineering, Northwest University , Xi'an 710069, P. R. China.,Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Shandong Provincial Key Laboratory of Coastal Environmental Processes, YICCAS , Yantai, Shandong 264003, P. R. China
| | - Ruiqing Yao
- School of Chemical Engineering, Northwest University , Xi'an 710069, P. R. China
| | - Ning Wang
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Shandong Provincial Key Laboratory of Coastal Environmental Processes, YICCAS , Yantai, Shandong 264003, P. R. China
| | - Rongning Liang
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Shandong Provincial Key Laboratory of Coastal Environmental Processes, YICCAS , Yantai, Shandong 264003, P. R. China
| | - Wei Qin
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Shandong Provincial Key Laboratory of Coastal Environmental Processes, YICCAS , Yantai, Shandong 264003, P. R. China
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Ding ZM, Jiao XF, Wu D, Zhang JY, Chen F, Wang YS, Huang CJ, Zhang SX, Li X, Huo LJ. Bisphenol AF negatively affects oocyte maturation of mouse in vitro through increasing oxidative stress and DNA damage. Chem Biol Interact 2017; 278:222-229. [DOI: 10.1016/j.cbi.2017.10.030] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 10/17/2017] [Accepted: 10/30/2017] [Indexed: 02/02/2023]
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24
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NTP Research Report on Biological Activity of Bisphenol A (BPA) Structural Analogues and Functional Alternatives. ACTA ACUST UNITED AC 2017. [DOI: 10.22427/ntp-rr-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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25
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Kolatorova Sosvorova L, Chlupacova T, Vitku J, Vlk M, Heracek J, Starka L, Saman D, Simkova M, Hampl R. Determination of selected bisphenols, parabens and estrogens in human plasma using LC-MS/MS. Talanta 2017; 174:21-28. [DOI: 10.1016/j.talanta.2017.05.070] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 05/17/2017] [Accepted: 05/25/2017] [Indexed: 11/25/2022]
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Fluorene-9-bisphenol is anti-oestrogenic and may cause adverse pregnancy outcomes in mice. Nat Commun 2017; 8:14585. [PMID: 28248286 PMCID: PMC5339874 DOI: 10.1038/ncomms14585] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 01/13/2017] [Indexed: 11/08/2022] Open
Abstract
Bisphenol A (BPA) is used in the production of plastic but has oestrogenic activity. Therefore, BPA substitutes, such as fluorene-9-bisphenol (BHPF), have been introduced for the production of so-called 'BPA-free' plastics. Here we show that BHPF is released from commercial 'BPA-free' plastic bottles into drinking water and has anti-oestrogenic effects in mice. We demonstrate that BHPF has anti-oestrogenic activity in vitro and, in an uterotrophic assay in mice, induces low uterine weight, atrophic endometria and causes adverse pregnancy outcomes, even at doses lower than those of BPA for which no observed adverse effect have been reported. Female mice given water containing BHPF released from plastic bottles, have detectable levels of BHPF in serum, low uterine weights and show decreased expressions of oestrogen-responsive genes. We also detect BHPF in the plasma of 7/100 individuals, who regularly drink water from plastic bottles. Our data suggest that BPA substitutes should be tested for anti-oestrogenic activity and call for further study of the toxicological effects of BHPF on human health.
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Lei B, Xu J, Peng W, Wen Y, Zeng X, Yu Z, Wang Y, Chen T. In vitro profiling of toxicity and endocrine disrupting effects of bisphenol analogues by employing MCF-7 cells and two-hybrid yeast bioassay. ENVIRONMENTAL TOXICOLOGY 2017; 32:278-289. [PMID: 26916392 DOI: 10.1002/tox.22234] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 12/07/2015] [Accepted: 12/22/2015] [Indexed: 05/22/2023]
Abstract
The potentially adverse health implications of bisphenol A (BPA) have led to increasing use of alternative bisphenols (BPs). However, little is known about the toxicity of alternative BPs. In this study, the cytotoxicity, genotoxicity, intracellular ROS formation, and Ca2+ fluctuation effects of BPs on MCF-7 cells were evaluated. At the same time, the estrogenic and thyroidal hormone effect potentials of six BPs were also evaluated using two-hybrid yeast bioassay. The results showed that most BPs at 0.01-1 μM significantly increased cell viability in MCF-7 cells and at higher exposure concentrations of 25-100 μM, they caused a significant decrease of cell viability. At the same time, these BPs also at 25-100 μM significantly increased LDH release of MCF-7 cells. In addition, several BPs at 10-50 μM resulted in a significantly concentration-depended increase in DNA-damaging effect on MCF-7 cells and elevated ROS production. Most BPs at 0.0001-10 μM significantly increased intracellular Ca2+ level. These results showed that bisphenol AF (BPAF) and thiodiphenol (TDP) exerted cell biological effect, estrogenic, and thyroidal effect potentials greater than those of BPA. The cytotoxicity and endocrine disrupting effects of other BPs are similar to or slightly lower than those of BPA. Therefore, as potential alternatives to BPA, endocrine disrupting effects and potential health harm of alternative BPs to human can also not be ignored. © 2016 Wiley Periodicals, Inc. Environ Toxicol 32: 278-289, 2017.
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Affiliation(s)
- Bingli Lei
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Jie Xu
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Wei Peng
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Yu Wen
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Xiangying Zeng
- State Key Laboratory of Organic Geochemistry Guangdong Key Laboratory of Environment and Resources, Guangzhou Institute of Geochemistry Chinese Academy of Sciences, Guangzhou, 510640, China
| | - Zhiqiang Yu
- State Key Laboratory of Organic Geochemistry Guangdong Key Laboratory of Environment and Resources, Guangzhou Institute of Geochemistry Chinese Academy of Sciences, Guangzhou, 510640, China
| | - Yipei Wang
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Tian Chen
- Amway (China) Research and Development Center, Shanghai, 201203, China
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Mokra K, Kuźmińska-Surowaniec A, Woźniak K, Michałowicz J. Evaluation of DNA-damaging potential of bisphenol A and its selected analogs in human peripheral blood mononuclear cells (in vitro study). Food Chem Toxicol 2016; 100:62-69. [PMID: 27923681 DOI: 10.1016/j.fct.2016.12.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 10/26/2016] [Accepted: 12/02/2016] [Indexed: 01/01/2023]
Abstract
In the present study, we have investigated DNA-damaging potential of BPA and its analogs, i.e. bisphenol S (BPS), bisphenol F (BPF) and bisphenol AF (BPAF) in human peripheral blood mononuclear cells (PBMCs) using the alkaline and neutral versions of the comet assay, which allowed to evaluate DNA single strand-breaks (SSBs) and double strand-breaks (DSBs). The use of the alkaline version of comet assay made also possible to analyze the kinetics of DNA repair in PBMCs after exposure of the cells to BPA or its analogs. We have observed an increase in DNA damage in PBMCs treated with BPA or its analogs in the concentrations ranging from 0.01 to 10 μg/ml after 1 and 4 h incubation. It was noted that bisphenols studied caused DNA damage mainly via SSBs, while DNA fragmentation via double DSBs was low. The strongest changes in DNA damage were provoked by BPA and particularly BPAF, which were capable of inducing SSBs even at 0.01 μg/ml, while BPS caused the lowest changes (only at 10 μg/ml). We have also observed that PBMCs significantly repaired bisphenols-induced DNA damage but they were unable (excluding cells treated with BPS) to repair totally DNA breaks.
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Affiliation(s)
- Katarzyna Mokra
- Department of Environmental Pollution Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pomorska 141/143 St, 90-001 Łódź, Poland
| | - Agnieszka Kuźmińska-Surowaniec
- Department of Environmental Pollution Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pomorska 141/143 St, 90-001 Łódź, Poland
| | - Katarzyna Woźniak
- Department of Molecular Genetics, Faculty of Biology and Environmental Protection, University of Łódź, Pomorska 141/143 St, 90-001 Łódź, Poland
| | - Jaromir Michałowicz
- Department of Environmental Pollution Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pomorska 141/143 St, 90-001 Łódź, Poland.
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29
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Usman A, Ahmad M. From BPA to its analogues: Is it a safe journey? CHEMOSPHERE 2016; 158:131-42. [PMID: 27262103 DOI: 10.1016/j.chemosphere.2016.05.070] [Citation(s) in RCA: 185] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 05/16/2016] [Accepted: 05/22/2016] [Indexed: 05/19/2023]
Abstract
Bisphenol-A (BPA) is one of the most abundant synthetic chemicals in the world due to its uses in plastics. Its widespread exposure vis-a-vis low dose effects led to a reduction in its safety dose and imposition of ban on its use in infant feeding bottles. This restriction paved the way for the gradual market entry of its analogues. However, their structural similarity to BPA has put them under surveillance for endocrine disrupting potential. The application of these analogues is increasing and so are the studies reporting their toxicity. This review highlights the reasons which led to the ban of BPA and also reports the exposure and toxicological data available on its analogues. Hence, this compilation is expected to answer in a better way whether the replacement of BPA by these analogues is safer or more harmful?
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Affiliation(s)
- Afia Usman
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh 202002, India
| | - Masood Ahmad
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh 202002, India.
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Conley JM, Hannas BR, Furr JR, Wilson VS, Gray LE. A Demonstration of the Uncertainty in Predicting the Estrogenic Activity of Individual Chemicals and Mixtures From an In Vitro Estrogen Receptor Transcriptional Activation Assay (T47D-KBluc) to the In Vivo Uterotrophic Assay Using Oral Exposure. Toxicol Sci 2016; 153:382-95. [PMID: 27473340 DOI: 10.1093/toxsci/kfw134] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
In vitro estrogen receptor assays are valuable tools for identifying environmental samples and chemicals that display estrogenic activity. However, in vitro potency cannot necessarily be extrapolated to estimates of in vivo potency because in vitro assays are currently unable to fully account for absorption, distribution, metabolism, and excretion. To explore this issue, we calculated relative potency factors (RPF), using 17α-ethinyl estradiol (EE2) as the reference compound, for several chemicals and mixtures in the T47D-KBluc estrogen receptor transactivation assay. In vitro RPFs were used to predict rat oral uterotrophic assay responses for these chemicals and mixtures. EE2, 17β-estradiol (E2), benzyl-butyl phthalate (BBP), bisphenol-A (BPA), bisphenol-AF (BPAF), bisphenol-C (BPC), bisphenol-S (BPS), and methoxychlor (MET) were tested individually, while BPS + MET, BPAF + MET, and BPAF + BPC + BPS + EE2 + MET were tested as equipotent mixtures. In vivo ED50 values for BPA, BPAF, and BPC were accurately predicted using in vitro data; however, E2 was less potent than predicted, BBP was a false positive, and BPS and MET were 76.6 and 368.3-fold more active in vivo than predicted from the in vitro potency, respectively. Further, mixture ED50 values were more accurately predicted by the dose addition model using individual chemical in vivo uterotrophic data (0.7-1.5-fold difference from observed) than in vitro data (1.4-86.8-fold). Overall, these data illustrate the potential for both underestimating and overestimating in vivo potency from predictions made with in vitro data for compounds that undergo substantial disposition following oral administration. Accounting for aspects of toxicokinetics, notably metabolism, in in vitro models will be necessary for accurate in vitro-to-in vivo extrapolations.
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Affiliation(s)
- Justin M Conley
- *Toxicity Assessment Division, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Bethany R Hannas
- *Toxicity Assessment Division, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711 Dow Chemical Company, Midland, Michigan 48674
| | - Johnathan R Furr
- *Toxicity Assessment Division, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711 Southern Research, Birmingham, Alabama 35205
| | - Vickie S Wilson
- *Toxicity Assessment Division, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - L Earl Gray
- *Toxicity Assessment Division, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
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31
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Wang Y, Xing F, Zhang H, Lou K. Experimental and theoretical investigation on the interaction of carboxylic multi-walled carbon nanotubes with bisphenol AF. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.02.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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32
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Cano-Nicolau J, Vaillant C, Pellegrini E, Charlier TD, Kah O, Coumailleau P. Estrogenic Effects of Several BPA Analogs in the Developing Zebrafish Brain. Front Neurosci 2016; 10:112. [PMID: 27047331 PMCID: PMC4805609 DOI: 10.3389/fnins.2016.00112] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 03/07/2016] [Indexed: 11/26/2022] Open
Abstract
Important set of studies have demonstrated the endocrine disrupting activity of Bisphenol A (BPA). The present work aimed at defining estrogenic-like activity of several BPA structural analogs, including BPS, BPF, BPAF, and BPAP, on 4- or 7-day post-fertilization (dpf) zebrafish larva as an in vivo model. We measured the induction level of the estrogen-sensitive marker cyp19a1b gene (Aromatase B), expressed in the brain, using three different in situ/in vivo strategies: (1) Quantification of cyp19a1b transcripts using RT-qPCR in wild type 7-dpf larva brains exposed to bisphenols; (2) Detection and distribution of cyp19a1b transcripts using in situ hybridization on 7-dpf brain sections (hypothalamus); and (3) Quantification of the cyp19a1b promoter activity in live cyp19a1b-GFP transgenic zebrafish (EASZY assay) at 4-dpf larval stage. These three different experimental approaches demonstrated that BPS, BPF, or BPAF exposure, similarly to BPA, significantly activates the expression of the estrogenic marker in the brain of developing zebrafish. In vitro experiments using both reporter gene assay in a glial cell context and competitive ligand binding assays strongly suggested that up-regulation of cyp19a1b is largely mediated by the zebrafish estrogen nuclear receptor alpha (zfERα). Importantly, and in contrast to other tested bisphenol A analogs, the bisphenol AP (BPAP) did not show estrogenic activity in our model.
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Affiliation(s)
- Joel Cano-Nicolau
- Research Institute in Health, Environment and Occupation, Institut National de la Santé et de la Recherche Médicale U1085, SFR Biosite, Université de Rennes 1 Rennes, France
| | - Colette Vaillant
- Research Institute in Health, Environment and Occupation, Institut National de la Santé et de la Recherche Médicale U1085, SFR Biosite, Université de Rennes 1 Rennes, France
| | - Elisabeth Pellegrini
- Research Institute in Health, Environment and Occupation, Institut National de la Santé et de la Recherche Médicale U1085, SFR Biosite, Université de Rennes 1 Rennes, France
| | - Thierry D Charlier
- Research Institute in Health, Environment and Occupation, Institut National de la Santé et de la Recherche Médicale U1085, SFR Biosite, Université de Rennes 1 Rennes, France
| | - Olivier Kah
- Research Institute in Health, Environment and Occupation, Institut National de la Santé et de la Recherche Médicale U1085, SFR Biosite, Université de Rennes 1 Rennes, France
| | - Pascal Coumailleau
- Research Institute in Health, Environment and Occupation, Institut National de la Santé et de la Recherche Médicale U1085, SFR Biosite, Université de Rennes 1 Rennes, France
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33
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Yang X, Liu Y, Li J, Chen M, Peng D, Liang Y, Song M, Zhang J, Jiang G. Exposure to Bisphenol AF disrupts sex hormone levels and vitellogenin expression in zebrafish. ENVIRONMENTAL TOXICOLOGY 2016; 31:285-294. [PMID: 25213402 DOI: 10.1002/tox.22043] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 08/22/2014] [Accepted: 08/23/2014] [Indexed: 06/03/2023]
Abstract
Bisphenol AF (BPAF) is widely used in food-contact products, electronic devices, and as a cross-linking reagent in fluoroelastomers. There are growing concerns about its toxicity and endocrine-disrupting effects based on its structural similarity with bisphenol A (BPA). The endocrine-disrupting effects of BPAF were studied by exposing 2-month-old zebrafish to 0, 0.05, 0.25, or 1 mg/L BPAF for 28 days and evaluating the effect on growth, histopathology, hormone levels, enzyme activity, and gene expression. The overall fitness was not significantly affected. There were no apparent alterations in the gills and intestine tissues of both sexes after BPAF exposure. However, exposure to 1 mg/L BPAF caused damage to the liver in the male fish, characterized by hepatocellular swelling and vacuolation. There was no obvious effect in the liver of female fish, suggesting that the hepatic toxicity of BPAF is gender dependent. Gonadal examination indicated that exposure to 1 mg/L BPAF caused induction of acellular areas in the testis and retardation of oocyte development in the ovary. BPAF exposure increased free triiodothyronine levels of females in a dose-dependent manner. In males, the testosterone levels decreased in a concentration-dependent manner. In contrast, estradiol levels increased in a concentration-dependent manner and were significantly higher in males exposed to 1 mg/L BPAF compared with the controls. In females, 0.05 and 0.25 mg/L BPAF caused an increase in testosterone levels. Furthermore, the estradiol levels increased in females exposed to 0.05 and 1 mg/L. We observed an upregulation of hepatic vitellogenin in both sexes and significantly higher levels in males exposed to 1 mg/L BPAF and females exposed to 0.25 mg/L BPAF, suggesting that BPAF has an estrogenic activity. Our results indicate that BPAF is an endocrine-disrupting chemical that exerts reproductive toxicity and estrogenic effects on zebrafish.
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Affiliation(s)
- Xiaoxi Yang
- Key Laboratory of Subtropical Agriculture and Environment, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Yuchen Liu
- School of Medicine, Jianghan University, Wuhan, 430056, People's Republic of China
| | - Jia Li
- School of Medicine, Jianghan University, Wuhan, 430056, People's Republic of China
| | - Minjie Chen
- School of Medicine, Jianghan University, Wuhan, 430056, People's Republic of China
| | - Di Peng
- School of Medicine, Jianghan University, Wuhan, 430056, People's Republic of China
| | - Yong Liang
- School of Medicine, Jianghan University, Wuhan, 430056, People's Republic of China
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Jianghan University, Wuhan, 430056, People's Republic of China
| | - Maoyong Song
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China
| | - Jie Zhang
- Key Laboratory of Subtropical Agriculture and Environment, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China
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34
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Caballero-Casero N, Lunar L, Rubio S. Analytical methods for the determination of mixtures of bisphenols and derivatives in human and environmental exposure sources and biological fluids. A review. Anal Chim Acta 2016; 908:22-53. [DOI: 10.1016/j.aca.2015.12.034] [Citation(s) in RCA: 128] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 12/23/2015] [Accepted: 12/27/2015] [Indexed: 11/29/2022]
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Tang T, Yang Y, Chen Y, Tang W, Wang F, Diao X. Thyroid Disruption in Zebrafish Larvae by Short-Term Exposure to Bisphenol AF. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2015; 12:13069-84. [PMID: 26501309 PMCID: PMC4627017 DOI: 10.3390/ijerph121013069] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 10/02/2015] [Accepted: 10/09/2015] [Indexed: 11/16/2022]
Abstract
Bisphenol AF (BPAF) is extensively used as a raw material in industry, resulting in its widespread distribution in the aqueous environment. However, the effect of BPAF on the hypothalamic-pituitary-thyroidal (HPT) axis remains unknown. For elucidating the disruptive effects of BPAF on thyroid function and expression of the representative genes along the HPT axis in zebrafish (Danio rerio) embryos, whole-body total 3,3',5-triiodothyronine (TT3), total 3,5,3',5'-tetraiodothyronine (TT4), free 3,3',5-triiodothyronine (FT3) and free 3,5,3',5'-tetraiodothyronine (FT4) levels were examined following 168 h post-fertilization exposure to different BPAF concentrations (0, 5, 50 and 500 μg/L). The results showed that whole-body TT3, TT4, FT3 and FT4 contents decreased significantly with the BPAF treatment, indicating an endocrine disruption of thyroid. The expression of thyroid-stimulating hormone-β and thyroglobulin genes increased after exposing to 50 μg/L BPAF in seven-day-old larvae. The expressions of thyronine deiodinases type 1, type 2 and transthyretin mRNAs were also significantly up-regulated, which were possibly associated with a deterioration of thyroid function. However, slc5a5 gene transcription was significantly down-regulated at 50 μg/L and 500 μg/L BPAF exposure. Furthermore, trα and trβ genes were down-regulated transcriptionally after BPAF exposure. It demonstrates that BPAF exposure triggered thyroid endocrine toxicity by altering the whole-body contents of thyroid hormones and changing the transcription of the genes involved in the HPT axis in zebrafish larvae.
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Affiliation(s)
- Tianle Tang
- College of Environment and Plant Protection, Hainan University, Haikou 570228, China.
- School of Tropical and Laboratory Medicine, Hainan Medical University, Haikou 571199, China.
| | - Yang Yang
- College of Environment and Plant Protection, Hainan University, Haikou 570228, China.
| | - Yawen Chen
- College of Environment and Plant Protection, Hainan University, Haikou 570228, China.
| | - Wenhao Tang
- College of Environment and Plant Protection, Hainan University, Haikou 570228, China.
- Haikou Key Laboratory of Environment Toxicology, Hainan University, Haikou 570228, China.
| | - Fuqiang Wang
- College of Environment and Plant Protection, Hainan University, Haikou 570228, China.
| | - Xiaoping Diao
- Haikou Key Laboratory of Environment Toxicology, Hainan University, Haikou 570228, China.
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Bisphenol A and its analogs exhibit different apoptotic potential in peripheral blood mononuclear cells (in vitro study). Food Chem Toxicol 2015; 84:79-88. [DOI: 10.1016/j.fct.2015.08.007] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/08/2015] [Accepted: 08/04/2015] [Indexed: 12/27/2022]
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37
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Shi J, Jiao Z, Zheng S, Li M, Zhang J, Feng Y, Yin J, Shao B. Long-term effects of bisphenol AF (BPAF) on hormonal balance and genes of hypothalamus-pituitary-gonad axis and liver of zebrafish (Danio rerio), and the impact on offspring. CHEMOSPHERE 2015; 128:252-7. [PMID: 25723718 DOI: 10.1016/j.chemosphere.2015.01.060] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 01/29/2015] [Accepted: 01/29/2015] [Indexed: 05/22/2023]
Abstract
Bisphenol AF (BPAF) is one of the analogues of bisphenol A (BPA) and is widely used as a raw material in the plastics industry. The potential toxicity to fish from exposure to BPAF in the aquatic environment is largely unknown. In this study, zebrafish (Danio rerio) were exposed to BPAF at 5, 25 and 125 μg L(-1), from 4 hour-post-fertilization (hpf) to 120 day-post-fertilization (dpf), representing the period from embryo to adult. The levels of plasma hormones were measured and the expression of selected representative genes along the hypothalamus-pituitary-gonad (HPG) axis and liver were examined. The concentration of 17β-estradiol (E2) was significantly increased in male and female fish and a significant decrease of testosterone (T) was observed in male fish. The mRNA expression of genes along the HPG axis and in liver tissues in F0 generation fish demonstrated that the steroid hormonal balances of zebrafish were modulated through the alteration of steroidgenesis. The significant decrease of egg fertilization among offspring indicates the possibility of sperm deterioration of parent following exposure to BPAF. The higher occurrence of malformation and lower survival rate in the offspring from the exposure group suggested a possibility of maternal transfer of BPAF, which could be responsible for the increased prevalence of adverse health signs in the offspring. The hatching delay in 5 μg L(-1) BPAF indicated that parental exposure to environmentally relevant concentration of BPAF would result in delayed hatching of the offspring. A potential consequence of adverse effects in the offspring by BPAF deserves further investigation.
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Affiliation(s)
- Jiachen Shi
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing 100013, China
| | - Zhihao Jiao
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing 100013, China
| | - Sai Zheng
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing 100013, China
| | - Ming Li
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing 100013, China
| | - Jing Zhang
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing 100013, China
| | - Yixing Feng
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing 100013, China
| | - Jie Yin
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing 100013, China
| | - Bing Shao
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing 100013, China.
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Bisphenol A and its analogs induce morphological and biochemical alterations in human peripheral blood mononuclear cells (in vitro study). Toxicol In Vitro 2015; 29:1464-72. [PMID: 26028149 DOI: 10.1016/j.tiv.2015.05.012] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 05/13/2015] [Accepted: 05/15/2015] [Indexed: 12/23/2022]
Abstract
Few studies have addressed the cellular effects of bisphenol S (BPS) and bisphenol AF (BPAF) on cells, and no study has been conducted to analyze the mechanism of action of bisphenols in blood cells. In this study, the effect of bisphenol A (BPA), bisphenol F (BPF), BPS and BPAF on human peripheral blood mononuclear cells (PBMCs) was analyzed. It was shown that BPA, BPF and BPAF in particular, decreased cell viability, which was associated with depletion of intracellular ATP level and alterations in PBMCs size and granulation. Bisphenols enhanced ROS (including OH˙) formation, which led to damage to lipids and proteins in PBMCs. The most significant alterations in ROS level were induced by BPF, and particularly BPAF. Moreover, it was shown that BPAF most strongly provoked lipid peroxidation, while BPA and BPS caused the greatest damage to proteins. It may be concluded that BPA and its analogs were capable of inducing oxidative stress and damage in PBMCs in the concentrations ranging from 0.06 to 0.5 μM (0.02-0.1 μg/ml), which may be present in human blood as a result of environmental exposure. Although, most of bisphenols studied decreased cell viability, size and ATP level at higher concentrations, BPAF exhibited its cytotoxic potential at low concentrations ranging from 0.3 to 3 μM (0.1-1.0 μg/ml) that may correspond to concentrations in humans following occupational exposure.
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39
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Ju S, Yang Y, Liu M. Rapid Determination of Phenolics in Food Packaging by Magnetic Solid-Phase Extraction and High-Performance Liquid Chromatography. ANAL LETT 2015. [DOI: 10.1080/00032719.2015.1004075] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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40
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Comparison of the effects of BPA and BPAF on oocyte spindle assembly and polar body release in mice. ZYGOTE 2015; 24:172-80. [DOI: 10.1017/s0967199415000027] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
SummaryBisphenol AF (BPAF), a homolog of bisphenol A (BPA), is a widely used environmental chemical that has adverse effects on reproduction. The aim of this study was to analyse the effects of BPA and BPAF exposure on oocyte maturation in vitro. Oocytes were cultured in the presence of BPA or BPAF (2, 20, 50 or 100 μg/ml) for 18 h. At concentrations of 50 and 100 μg/ml, BPA and BPAF inhibited oocyte maturation, with BPAF treatment causing a sharp decrease in the number of oocytes reaching maturity. Oocytes were exposed to BPA or BPAF at 2 μg/ml and cultured for different durations (6, 9, 12, 15 or 18 h). Both BPAF and BPA caused a cell cycle delay under these conditions. Oocytes cultured in the presence of BPA or BPAF (50 μg/ml) for 21 h were tested for the localization of α-tubulin and MAD2 using immunofluorescence. High concentrations of BPAF induced cell cycle arrest through the activation of the spindle assembly checkpoint. After 12 h of culture in BPAF (50 μg/ml), oocytes were transferred to control medium for 9 h. Only 63.3% oocytes treated in this manner progressed to metaphase II (MII). Oocytes exposed to high doses of BPA experienced a cell cycle delay, but managed to progress to MII when the culture period was prolonged. In addition, MAD2 was localized in the cytoplasm of these oocytes. In conclusion, both BPAF and BPA exposure affected oocyte maturation, however BPAF and BPA have differential effects on SAC activity.
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Deceuninck Y, Bichon E, Marchand P, Boquien CY, Legrand A, Boscher C, Antignac JP, Le Bizec B. Determination of bisphenol A and related substitutes/analogues in human breast milk using gas chromatography-tandem mass spectrometry. Anal Bioanal Chem 2015; 407:2485-97. [PMID: 25627788 DOI: 10.1007/s00216-015-8469-9] [Citation(s) in RCA: 97] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 12/18/2014] [Accepted: 01/06/2015] [Indexed: 11/29/2022]
Abstract
Bisphenol A (BPA) is an industrial chemical widely used in the production of polycarbonate and epoxy resins. Identified as an endocrine-disrupting chemical (EDC), BPA is a matter of existing or ongoing restrictive regulations and then is increasingly being replaced by other analogues used as BPA's substitutes. Human biomonitoring studies focusing on both BPA and emerging related analogues consequently appear as a requirement either for documenting the efficiency of regulatory actions toward BPA and for fuelling incoming risk assessment studies toward BPA's substitutes. In particular, the increasing concern about the late effects consecutive to early exposures naturally identify human breast milk as a target biological matrix of interest for priority exposure assessment focused on critical sub-populations such as pregnant women, fetuses, and/or newborns. In this context, an accurate and sensitive analytical method based on gas chromatography coupled to tandem mass spectrometry (GC-MS/MS) was developed for the quantification of 18 "BPA-like" compounds in breast milk samples at trace levels (<0.05 μg kg(-1)). The method includes a preliminary protein precipitation step followed by two successive solid-phase extraction (SPE) stages. Quantification of the targeted compounds was achieved according to the isotopic dilution method using (13)C12-BPA as internal standard. The method was validated according to current EU guidelines and criteria. Linearity (R (2)) was better than 0.99 for each molecule within the concentration range 0-5 μg kg(-1). The detection and quantification limits ranged from 0.001 to 0.030 μg kg(-1) and from 0.002 to 0.050 μg kg(-1), respectively. The analytical method was successfully applied to the first set of human breast milk samples (n = 30) originating from French women in the Region Pays-de-la-Loire. The measured levels of BPA were found in the <LOQ-1.16 μg kg(-1) range. BPS was detected in only one sample at 0.23 μg kg(-1), while the other targeted molecules were not detected. The proposed methodology then appeared suitable for the further monitoring of a potential decrease of BPA levels and an increase of other BPA analogue levels as reflective of the expected incoming trend in terms of human exposure.
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Affiliation(s)
- Yoann Deceuninck
- LUNAM Université, Laboratoire d'Etude des Résidus et Contaminants dans les Aliments (LABERCA), USC 1329, Oniris, 44307, Nantes, France,
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Liu Y, Ai X, Wang F, Suo W, Yang Q, Yang H, Xu N. Determination of Niclosamide in Aquatic Animal Tissue by a Novel Extraction Procedure and High-Performance Liquid Chromatography–Heated Electrospray Ionization-Tandem Mass Spectrometry. ANAL LETT 2015. [DOI: 10.1080/00032719.2014.968931] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Wang X, Yang J, Wang Y, Li Y, Wang F, Zhang L. Studies on electrochemical oxidation of estrogenic disrupting compound bisphenol AF and its interaction with human serum albumin. JOURNAL OF HAZARDOUS MATERIALS 2014; 276:105-111. [PMID: 24866560 DOI: 10.1016/j.jhazmat.2014.05.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Revised: 04/21/2014] [Accepted: 05/09/2014] [Indexed: 06/03/2023]
Abstract
Bisphenol AF (BPAF) is an environmental pollutant to disrupt endocrine system or cause cancer, thus the detection of trace BPAF is very important. In this study, a simple and highly sensitive electroanalytical method for the determination of BPAF was developed. In pH 6.0 phosphate buffer solutions, carboxyl functionalized multi-walled carbon nanotubes (MWCNT-COOH) modified glassy carbon electrode exhibits an enhanced effectiveness for the oxidation of BPAF. This electrode exhibited two linear relationships with BPAF concentration range of 0.02μmolL(-1) to 8.0μmolL(-1) and a detection limit of 0.0077μmolL(-1) (S/N=3). The proposed method was successfully applied to determine BPAF in real samples and the results were satisfactory. The MWCNT-COOH/GCE electrode showed good reproducibility, stability and anti-interference. The electrochemistry and spectroscopy methods are also described for the evaluation of BPAF-HSA interaction. In the presence of HSA, the peak currents of BPAF decreased linearly due to the formation of a super-molecular complex. The binding constant between BPAF and HSA, obtained by differential pulse voltammetry (DPV), was consistent with the fluorescence analysis. The molecular modeling studies were carried out to clearly describe the interaction between BPAF and HSA.
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Affiliation(s)
- Xin Wang
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Shenyang 110036, People's Republic of China
| | - Jichun Yang
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Shenyang 110036, People's Republic of China
| | - Yuejiao Wang
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Shenyang 110036, People's Republic of China
| | - Yanhui Li
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Shenyang 110036, People's Republic of China
| | - Fang Wang
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Shenyang 110036, People's Republic of China
| | - Lei Zhang
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Shenyang 110036, People's Republic of China.
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Singh B, Kumar A, Malik AK. Recent Advances in Sample Preparation Methods for Analysis of Endocrine Disruptors from Various Matrices. Crit Rev Anal Chem 2014; 44:255-69. [DOI: 10.1080/10408347.2013.859981] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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NAKAZAWA H, IWASAKI Y, ITO R. Analytical Methods for the Quantification of Bisphenol A, Alkylphenols, Phthalate Esters, and Perfluoronated Chemicals in Biological Samples. ANAL SCI 2014; 30:25-34. [DOI: 10.2116/analsci.30.25] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Hiroyuki NAKAZAWA
- Department of Analytical Chemistry, Faculty of Pharmaceutical Science, Hoshi University
| | - Yusuke IWASAKI
- Department of Analytical Chemistry, Faculty of Pharmaceutical Science, Hoshi University
| | - Rie ITO
- Department of Analytical Chemistry, Faculty of Pharmaceutical Science, Hoshi University
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Neurotoxic Effects of Bisphenol AF on Calcium-Induced ROS and MAPKs. Neurotox Res 2012; 23:249-59. [DOI: 10.1007/s12640-012-9353-4] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Revised: 08/06/2012] [Accepted: 08/22/2012] [Indexed: 11/30/2022]
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