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Darbre PD. Endocrine disrupting chemicals and breast cancer cells. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2021; 92:485-520. [PMID: 34452695 DOI: 10.1016/bs.apha.2021.04.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Many hundreds of endocrine disrupting chemicals (EDCs) have been measured as entering human breast tissue from a range of environmental sources, and this review focuses on discussion of mechanisms by which such EDCs may be contributing to the globally rising incidence of breast cancer. Many of the distinguishing features of breast cancer may be accounted for by EDC exposure, including, but not limited to, the fact that many EDCs possess estrogenic activity and exposure to estrogen is a main risk factor for breast cancer. Studies of the actions of EDCs in human breast cancer cells are aided by use of the conceptual framework of the hallmarks of cancer, and, acting by a variety of genomic and nongenomic mechanisms, EDCs have now been shown to enable all the hallmarks of cancer to develop in human breast cancer cells. Many studies report that hallmarks can develop at concentrations which are within the range of those measured in human breast tissues, especially when added as mixtures. The varied levels of different EDCs measured in individual breast tissue samples together with the overlapping and complementary mechanisms of action of the EDCs imply that thematic mechanisms will be driven inevitably by different chemical mixtures. Despite the complexity, EDCs do need to now be acknowledged as a risk factor for breast cancer in order for preventative strategies to include reduction in EDC exposure.
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Affiliation(s)
- Philippa D Darbre
- School of Biological Sciences, University of Reading, Reading, United Kingdom.
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52
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Al-Griw MA, Marwan ZM, Hdud IM, Shaibi T. Vitamin D mitigates adult onset diseases in male and female mice induced by early-life exposure to endocrine disruptor BPA. Open Vet J 2021; 11:407-417. [PMID: 34722204 PMCID: PMC8541727 DOI: 10.5455/ovj.2021.v11.i3.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/17/2021] [Indexed: 11/08/2022] Open
Abstract
Background During early development, environmental compounds can induce adult onset diseases and disrupt the circulating vitamin D (VitD) levels. Aim This study aimed to examine the protective role of VitD against the adverse effects of BPA on male and female mice. Methods A total of 60 male and female Swiss Albino mice (3 weeks old) were randomly divided into 5 groups; each consisted of 12 mice (6 males and 6 females) and was treated as follows: Group I received no treatment (sham control); Group II, sterile corn oil only (vehicle control); Group III, BPA (400 μg/kg); Group IV, VitD (2,195 IU/kg); and Group V, BPA + VitD. At 10.5 weeks, the animals were sacrificed to conduct histological examinations. Results BPA-exposed mice were found to have neurobehavioral abnormalities, heart, kidney, and lung diseases with increased apoptotic indices in both sexes. On the other hand, the treatment of BPA mice with VitD altered this scenario with modulated motor activity, enhanced body and organ weights, and preserved the heart, kidney, and lung architecture, alongside a decreased percent apoptotic index. Conclusion Our findings illustrate that VitD protects mice against BPA-induced heart, kidney, and lung abnormalities.
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Affiliation(s)
- Mohamed A. Al-Griw
- Department of Histology and Genetics, Faculty of Medicine, University of Tripoli, Tripoli, Libya
| | - Zohour M. Marwan
- Department of Zoology, Faculty of Sciences, University of Tripoli, Tripoli, Libya
| | - Ismail M. Hdud
- Department of Pathology and Clinical Pathology, Faculty of Veterinary Medicine, University of Tripoli, Tripoli, Libya
| | - Taher Shaibi
- Department of Zoology, Faculty of Sciences, University of Tripoli, Tripoli, Libya
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Tonini C, Segatto M, Bertoli S, Leone A, Mazzoli A, Cigliano L, Barberio L, Mandalà M, Pallottini V. Prenatal Exposure to BPA: The Effects on Hepatic Lipid Metabolism in Male and Female Rat Fetuses. Nutrients 2021; 13:1970. [PMID: 34201166 PMCID: PMC8227982 DOI: 10.3390/nu13061970] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 12/16/2022] Open
Abstract
Bisphenol A (BPA) is an organic chemical compound widely used for manufacturing plastics. BPA exposure originates principally from the diet, but it can also originate from dermal contact. In over 90% of individuals, including pregnant women, BPA is detectable in several body fluids. The effects of this exposure on the fetus are under active investigation in several research laboratories. The aim of our work was to study the impact of prenatal exposure to BPA in the liver of rat fetuses from a sex-dependent point of view. We particularly investigated the effects of prenatal BPA exposure on hepatic lipids because of their crucial role, not only for the liver, but also for the whole-body functions. Our results demonstrate that the liver of rat fetuses, in utero exposed to a very low dose of BPA (2.5 µg/kg/day), displays significant modulations with regard to proteins involved in cholesterol and fatty acid biosynthesis and trafficking. Moreover, an impact on inflammatory process has been observed. All these effects are dependent on sex, being observable only in female rat fetuses. In conclusion, this work demonstrates that maternal exposure to BPA compromises hepatic lipid metabolism in female offspring, and it also reveals the perspective impact of BPA on human health at doses currently considered safe.
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Affiliation(s)
- Claudia Tonini
- Department of Science, University Roma Tre, Viale Marconi 446, 00146 Rome, Italy;
| | - Marco Segatto
- Department of Biosciences and Territory, University of Molise, Contrada Fonte Lappone, 86090 Pesche, Italy;
| | - Simona Bertoli
- International Center for the Assessment of Nutritional Status (ICANS), Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Mangiagalli 25, 20133 Milan, Italy; (S.B.); (A.L.)
- Lab of Nutrition and Obesity Research, Istituto Auxologico Italiano, IRCCS, 20100 Milan, Italy
| | - Alessandro Leone
- International Center for the Assessment of Nutritional Status (ICANS), Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Mangiagalli 25, 20133 Milan, Italy; (S.B.); (A.L.)
| | - Arianna Mazzoli
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant’Angelo, Via Cinthia—Edificio 7, 80126 Naples, Italy; (A.M.); (L.C.)
| | - Luisa Cigliano
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant’Angelo, Via Cinthia—Edificio 7, 80126 Naples, Italy; (A.M.); (L.C.)
| | - Laura Barberio
- Department of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende, 87036 Cosenza, Italy; (L.B.); (M.M.)
| | - Maurizio Mandalà
- Department of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende, 87036 Cosenza, Italy; (L.B.); (M.M.)
| | - Valentina Pallottini
- Department of Science, University Roma Tre, Viale Marconi 446, 00146 Rome, Italy;
- Neuroendocrinology Metabolism and Neuropharmacology Unit, IRCSS Fondazione Santa Lucia, Via del Fosso Fiorano 64, 00143 Rome, Italy
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Lazurova Z, Lazurova I, Shoenfeld Y. Bisphenol A as a Factor in the Mosaic of Autoimmunity. Endocr Metab Immune Disord Drug Targets 2021; 22:728-737. [PMID: 33992069 DOI: 10.2174/1871530321666210516000042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 01/07/2021] [Accepted: 01/18/2021] [Indexed: 11/22/2022]
Abstract
The population worldwide is largely exposed to bisphenol A (BPA), a commonly used plasticizer, that has a similar molecular structure to endogenous estrogens. Therefore, it is able to influence physiological processes in human body, taking part in the pathophysiology of various endocrinopathies, as well as, cardiovascular, neurological and oncological diseases. BPA has been found to affect the immune system, leading to the development of autoimmunity and allergies, too. In the last few decades, the prevalence of autoimmune diseases has significantly increased, that could be explained by a rising exposure of the population to environmental factors, such as BPA. BPA has been found to play a role in the pathogenesis of systemic autoimmune diseases and also organ-specific autoimmunity (thyroid autoimmunity, diabetes mellitus type 1, myocarditis, inflammatory bowel disease, multiple sclerosis, encephalomyelitis etc), but the results of some studies remain still controversial, so further research is needed.
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Affiliation(s)
- Zora Lazurova
- 4th Department of Internal Medicine, Medical Faculty of University of PJ Safarik, Kosice, Slovakia
| | - Ivica Lazurova
- 1st Department of Internal Medicine, Medical Faculty of University of PJ Safarik, Kosice, Slovakia
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Aviv, Israel
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Lopes-Rocha L, Ribeiro-Gonçalves L, Henriques B, Özcan M, Tiritan ME, Souza JCM. An integrative review on the toxicity of Bisphenol A (BPA) released from resin composites used in dentistry. J Biomed Mater Res B Appl Biomater 2021; 109:1942-1952. [PMID: 33834604 DOI: 10.1002/jbm.b.34843] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 03/02/2021] [Accepted: 03/28/2021] [Indexed: 11/11/2022]
Abstract
The main aim of this study was to perform an integrative review on the release of bisphenol A (BPA) from resin-matrix composites and potential toxic effects. A bibliographic search was performed on the PubMed platform using the following keywords: "Bisphenol A" OR "BPA" AND "resin composite" OR "composite resin" AND "toxicity" OR "cytotoxicity" OR "release". Inclusion criteria involved in vitro and in vivo studies on the release and toxicity of BPA. Results highlighted the release of BPA from resin-matrix composites due to insufficient polymerization and/or degradation of the polymeric matrix. BPA is part of the organic matrix of resin-matrix composites and may be hydrolysed in human saliva, although studies report that low doses might not be detected by traditional chemical analysis. Studies exposing zebrafish embryos to different concentrations of Bis-GMA, showed 55% mortality at 10 μM Bis-GMA while 30% mortality was recorded at 1 μM Bis-GMA. In patients, a BPA concentration of around 2.09 × 10-2 μg/ml was found in the saliva after placement of lingual orthodontic retainers with resin-matrix composites. Also, the BPA molecule can be swallowed and absorbed by the oral/gastrointestinal mucosa, which might result in systemic toxicity. The degradation of resin-matrix composites and release of BPA in oral environment are dependent on the organic matrix content and on the polymerization method. A increased release of BPA can lead to the absorption into oral and gastrointestinal mucosa with high risks of local and systemic toxicity.
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Affiliation(s)
- Lígia Lopes-Rocha
- Department of Dental Sciences, University Institute of Health Sciences (IUCS), CESPU, Gandra, PRD, Portugal.,Institute for Research and Advanced Training in Health Sciences and Technologies (IINFACTS), CESPU, Gandra PRD, Portugal
| | - Lara Ribeiro-Gonçalves
- Department of Dental Sciences, University Institute of Health Sciences (IUCS), CESPU, Gandra, PRD, Portugal
| | - Bruno Henriques
- Ceramic and Composite Materials Research Group (CERMAT), Dept. of Mechanical Engineering (EMC), Federal University of Santa Catarina (UFSC), Florianópolis, Brazil.,Centre for Microelectromechanical Systems (CMEMS-UMINHO), University of Minho, Campus Azurém, Guimarães, Braga, Portugal
| | - Mutlu Özcan
- Division of Dental Biomaterials, Clinic for Reconstructive Dentistry, Center of Dental Medicine, University of Zürich, Zürich, Switzerland
| | - Maria Elizabeth Tiritan
- Institute for Research and Advanced Training in Health Sciences and Technologies (IINFACTS), CESPU, Gandra PRD, Portugal.,Laboratory of Organic and Pharmaceutical Chemistry (LQOF), Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Júlio C M Souza
- Department of Dental Sciences, University Institute of Health Sciences (IUCS), CESPU, Gandra, PRD, Portugal.,Centre for Microelectromechanical Systems (CMEMS-UMINHO), University of Minho, Campus Azurém, Guimarães, Braga, Portugal
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Arana AFM, Justus B, DÁvila-SÁnchez A, Sugahara MDO, Coelho U, Farago PV, Arrais C. Influence of radiant exposure values from two third generation LED curing units on polymerization profile and microhardness of orthodontic composite under ceramic and metallic brackets. Dental Press J Orthod 2021; 26:e2119150. [PMID: 33729290 PMCID: PMC8018747 DOI: 10.1590/2177-6709.26.1.e2119150.oar] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 12/30/2019] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION Third generation of LED light curing units might be used in short exposure periods for orthodontic brackets bonding. OBJECTIVE This study evaluated the effect of the different radiant exposure (RE) values: Manufacturers' instructions (MI), ½ MI, 1/4 MI and Turbo mode. Two third-generation LED curing units were used: VALO® and Bluephase 20i® . The degree of conversion (DC) and Vickers hardness (VHN) of an orthodontic composite (OC) (Transbond XT) under metallic (MB) or ceramic brackets (CB) were measured. METHODS OC was applied to the bracket base, which was then placed over an attenuated total reflectance (ATR) table coupled to an infrared light spectroscope, or to a glass surface for the VHN analysis. The specimens were light-cured and DC values were calculated. The VHN was obtained in a microhardness tester. The data were analyzed with 2-way ANOVA followed by Tukey's post-hoc test (pre-set α=0.05). Linear regression analysis evaluated the relationship between RE values and dependent variables. RESULTS CB allowed higher DC and VHN values than MB (p< 0.001). No significant difference was noted among groups when CB were used. For MB, MI groups showed the highest DC and VHN values. A significant, but weak relationship was found between delivered RE values and dependent variables. CONCLUSIONS The decrease in RE values from third generation LED CU did not jeopardize the DC values when CB were used, but can compromise DC and VHN values when MB are used.
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Affiliation(s)
| | - Barbara Justus
- Universidade Estadual de Ponta Grossa, Departamento de Ciências Farmacêuticas (Ponta Grossa/PR, Brazil)
| | | | | | - Ulisses Coelho
- Universidade Estadual de Ponta Grossa, Departamento de Odontologia (Ponta Grossa/PR, Brazil)
| | - Paulo Vitor Farago
- Universidade Estadual de Ponta Grossa, Departamento de Ciências Farmacêuticas (Ponta Grossa/PR, Brazil)
| | - Cesar Arrais
- Universidade Estadual de Ponta Grossa, Departamento de Odontologia (Ponta Grossa/PR, Brazil)
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Wu M, Wang S, Weng Q, Chen H, Shen J, Li Z, Wu Y, Zhao Y, Li M, Wu Y, Yang S, Zhang Q, Shen H. Prenatal and postnatal exposure to Bisphenol A and Asthma: a systemic review and meta-analysis. J Thorac Dis 2021; 13:1684-1696. [PMID: 33841959 PMCID: PMC8024800 DOI: 10.21037/jtd-20-1550] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Background Bisphenol A (BPA) is a plasticizer with high production and ubiquitous usage in polycarbonate plastics and epoxy resins. The association between prenatal or postnatal exposure to BPA and childhood wheeze/asthma has not been well established. Our study aimed to provide further justification for the current studies. Methods Studies were searched from PubMed, Web of Science, Scopus and Embase from inception until Sep 15, 2020. Meta-analysis was performed to calculate pooled adjusted odds ratios (aOR). The methodological quality of included studies was assessed by using the Newcastle Ottawa Scale (NOS). Results Of 2,814 screened articles, 9 studies with 3,885 participants were included in the final analysis. When all studies were pooled, postnatal exposure to BPA was associated with a higher risk of childhood asthma (aOR =1.43; 95% CI: 1.28–1.59) or childhood wheeze (aOR =1.38; 95% CI: 1.18–1.62). Prenatal exposure to BPA had a small but significant increased risk of childhood asthma (aOR =1.17; 95% CI: 1.01–1.34). An increased risk of childhood wheeze was related to prenatal exposure to BPA at 16 weeks’ gestation (aOR =1.29; 95% CI: 1.07–1.55), but not at 26 weeks’ gestation (aOR =1.07; 95% CI: 0.88–1.29) nor at random-time gestation (aOR =1.02; 95% CI: 0.89–1.16). Conclusions Prenatal and postnatal exposure to BPA was related to an increased risk of childhood asthma. However, only postnatal and early gestational exposure (at 16 weeks) to BPA could induce the risk of childhood wheeze, but not late gestational exposure (at 26 weeks).
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Affiliation(s)
- Mindan Wu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China.,Department of Respiration, Shantou Central Hospital, Affiliated Shantou Hospital of Sun Yat-sen University, Shantou, China
| | - Shuyi Wang
- School of Public Health, Sun Yet-sen University, Guangzhou, China
| | - Qingyu Weng
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Haixia Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Jiaxin Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Zhouyang Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Yanping Wu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Yun Zhao
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Miao Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Yinfang Wu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Shiyi Yang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Qichuan Zhang
- Department of Respiration, Shantou Central Hospital, Affiliated Shantou Hospital of Sun Yat-sen University, Shantou, China
| | - Huahao Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China.,State Key Laboratory for Respiratory Diseases, Guangzhou, China
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Tsen CM, Liu JH, Yang DP, Chao HR, Chen JL, Chou WC, Ho YC, Chuang CY. Study on the correlation of bisphenol A exposure, pro-inflammatory gene expression, and C-reactive protein with potential cardiovascular disease symptoms in young adults. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:10.1007/s11356-021-12805-0. [PMID: 33625709 DOI: 10.1007/s11356-021-12805-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 02/01/2021] [Indexed: 06/12/2023]
Abstract
Bisphenol A (BPA) is a plasticizer used in the manufacture of polycarbonate and epoxy resins. It was found that higher urinary BPA levels are more likely to be associated with coronary artery disease (CVD). In recent years, the increasing incidence of CVD among young people is observed, which may be related with inflammation rather than the traditional triple-H risk factors. BPA is an endocrine-disrupting chemical, and can induce oxidative stress and chronic inflammation since its estrogenic effect. Inflammatory responses could come from the stimulation of IκB kinases (IKKs) by estrogen receptors (ERs). Therefore, this study investigated the association of BPA exposure with the gene expression of pro-inflammatory response (ERs and IKKs), an inflammation biomarker of CVD (C-reactive protein, CRP), and physiologic index potency of CVD development symptoms in young adults. This study divided BPA exposure levels into high and low groups based on the median plasma BPA level (4.34 ng/mL), and found that the high BPA group obviously had higher BMI, blood pressure, plasma CRP levels, and gene expression of ERβ and IKKβ. BMI and gene expression of IKKβ were also positively correlated with plasma CRP secretion. Furthermore, the study subjects with potential CVD development symptoms had the increased levels of BPA (OR 2.10, 95% CI 0.83-5.39), CRP (OR 2.61, 95% CI 1.03-10.6) and IKKβ (OR 4.29, 95% CI 1.51-15.6). These results indicated that exposure to BPA is potentially associated with expression of pro-inflammatory genes related to CRP secretion, which may promote the risk of CVD development symptoms in young adults. This study highlighted the possible connection between BPA exposure and CVD development but the mechanism between them needs to be further explored.
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Affiliation(s)
- Chao-Ming Tsen
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, Sec. 2 Kuang-Fu Road, Hsinchu, 300, Taiwan
- Residue Control Division, Agricultural Chemicals and Toxic Substances Research Institute, Council of Agriculture, Taichung, Taiwan
| | - Jia-Hong Liu
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, Sec. 2 Kuang-Fu Road, Hsinchu, 300, Taiwan
| | - Da-Peng Yang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, Sec. 2 Kuang-Fu Road, Hsinchu, 300, Taiwan
| | - How-Ran Chao
- Emerging Compounds Research Center, Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung County, Taiwan
| | - Jyh-Larng Chen
- Department of Environmental Engineering and Health, College of Health Science, Yuanpei University, Hsinchu, Taiwan
| | - Wei-Chun Chou
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, Sec. 2 Kuang-Fu Road, Hsinchu, 300, Taiwan
- Institute of Computational Comparative Medicine, Department of Anatomy and Physiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, United States
| | - Yi-Chen Ho
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, Sec. 2 Kuang-Fu Road, Hsinchu, 300, Taiwan
- Service System Technology Center, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Chun-Yu Chuang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, Sec. 2 Kuang-Fu Road, Hsinchu, 300, Taiwan.
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Maipas S, Panayiotides IG, Tsiodras S, Kavantzas N. COVID-19 Pandemic and Environmental Health: Effects and the Immediate Need for a Concise Risk Analysis. ENVIRONMENTAL HEALTH INSIGHTS 2021; 15:1178630221996352. [PMID: 33642862 PMCID: PMC7894687 DOI: 10.1177/1178630221996352] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 01/27/2021] [Indexed: 05/12/2023]
Abstract
COVID-19 pandemic, as another disease emerging in the interface between animals and humans, has revealed the importance of interdisciplinary collaborations such as the One Health initiative. Environmental Health, whose role in the One Health concept is well established, has been associated with COVID-19 pandemic via various direct and indirect pathways. Modern lifestyle, climate change, environmental degradation, exposure to chemicals such as endocrine disruptors, and exposure to psychological stress factors impact human health negatively. As a result, many people are in the disadvantageous position to face the pandemic with an already impaired immune system due to their exposure to environmental health hazards. Moreover, the ongoing pandemic has been associated with outdoor and indoor air pollution, water and noise pollution, food security, and plastic pollution issues. Also, the inadequate infrastructure, the lack of proper waste and wastewater management, and the unequal social vulnerability reveal more linkages between Environmental Health and COVID-19 pandemic. The significant emerging ecological risk and its subsequent health implications require immediate risk analysis and risk communication strategies.
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Affiliation(s)
- Sotirios Maipas
- Master Program “Environment and Health. Management of Environmental Health Effects,” Medical School, National and Kapodistrian University of Athens, Athens, Greece
- 1st Department of Pathology, Medical School, National and Kapodistrian University of Athens, Athens General Hospital “Laikon,” Athens, Greece
| | - Ioannis G Panayiotides
- Master Program “Environment and Health. Management of Environmental Health Effects,” Medical School, National and Kapodistrian University of Athens, Athens, Greece
- 2nd Department of Pathology, “Attikon” University Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Sotirios Tsiodras
- 4th Department of Internal Medicine, “Attikon” University Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Kavantzas
- Master Program “Environment and Health. Management of Environmental Health Effects,” Medical School, National and Kapodistrian University of Athens, Athens, Greece
- 1st Department of Pathology, Medical School, National and Kapodistrian University of Athens, Athens General Hospital “Laikon,” Athens, Greece
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Evaluation of an in vitro assay to screen for the immunotoxic potential of chemicals to fish. Sci Rep 2021; 11:3167. [PMID: 33542403 PMCID: PMC7862612 DOI: 10.1038/s41598-021-82711-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 01/22/2021] [Indexed: 02/06/2023] Open
Abstract
A wide variety of environmental contaminants has been shown to disrupt immune functions of fish and may compromise their defense capability against pathogens. Immunotoxic effects, however, are rarely considered in ecotoxicological testing strategies. The aim of this study was to systematically evaluate the suitability of an in vitro immuno-assay using selected fish immune parameters to screen for chemicals with known immunotoxic potential and to differentiate them from non-immunotoxicants. Non-stimulated and lipopolysaccharide-stimulated head kidney leukocytes of rainbow trout (Oncorhynchus mykiss) were exposed for 3 h or 19 h to chemicals with different modes of action. As immune parameters, phagocytosis activity, oxidative burst activity and cytokine transcription (IL-1β, TNFα, IL-10) were examined, accompanied by in silico modelling. The immunotoxicants dexamethasone, benzo(a)pyrene, ethinylestradiol and bisphenol A significantly altered the immune parameters at non-cytotoxic concentrations whereas diclofenac had only weak effects. However, the two baseline chemicals with no known immunotoxic potential, butanol and ethylene glycol, caused significant effects, too. From our results it appears that the in vitro fish leukocyte assay as performed in the present study has only a limited capacity for discriminating between immunotoxicants and non-immunotoxicants.
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Lei D, Hong T, Li L, Chen L, Luo X, Wu Q, Liu Z. Isobaric tags for relative and absolute quantitation-based proteomics analysis of the effect of ginger oil on bisphenol A-induced breast cancer cell proliferation. Oncol Lett 2021; 21:101. [PMID: 33376534 PMCID: PMC7751356 DOI: 10.3892/ol.2020.12362] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 10/27/2020] [Indexed: 12/13/2022] Open
Abstract
Several chemicals in the environment, particularly those with estrogenic activity and small amounts (micromolar or lower) of environmental estrogen can cause changes in cell function and interfere with endocrine functions of animals and humans. These compounds enter the human body and increase the load of estrogen in the body, leading to an increasing incidence of estrogen-related tumors in breast cancer, ovarian cancer and endometrial cancer. Previous studies have demonstrated that ginger can inhibit the expression of estrogen receptors, while the bioactive ingredients of ginger sig-nificantly inhibit proliferation and promote the apoptosis of breast cancer cells. In the present study, a quantitative proteomics technique based on relative and absolute quanti-tative isobaric labeling was used to determine the effect of ginger essential oil (GEO) and BPA combined treatment on the proteomic characteristics of MCF-7 cells. In total, 5,084 proteins were detected. Proteins that were upregulated >1.2-fold and downregu-lated by >0.8-fold were differentially expressed. Overall, 528 differentially expressed proteins were identified. Compared with the control group, MCF-7 cells treated with GEO, BPA and GEO-BPA resulted in 45 (14 up- and 31 downregulated), 481 (141 up- and 340 downregulated) and 34 (13 up- and 21 downregulated) differentially ex-pressed proteins, respectively. Compared with the BPA group, MCF- 7 cells treated with GEO-BPA resulted in 210 (117 up- and 93 downregulated) differentially expressed proteins, among the 210 differentially expressed proteins in the GEO-BPA group, 10 proteins were associated with oxidative phosphorylation pathways, while succinate dehydrogenase (ubiquinone) iron-sulfur subunit (SDHB), succinate dehydrogenase cytochrome b560 subunit, mitochondrial (SDHC), cytochrome c oxidase subunit 2 and superoxide dismutase (Mn), mitochondrial (SOD2) expression was decreased with GEO-BPA combined treatment. Through the analysis of Gene Ontology and Kyoto Encyclopedia of Genes and Genomes, the cellular localization, functional annotation and biological pathways of differentially expressed proteins were ex-amined. The results indicated that GEO-BPA may act through the oxidative phosphory-lation pathway, decreased the expression of SDHB and SDHC, affected the tricarbox-ylic acid cycle and decreased the expression of SOD2. This may have led to oxidative stress and the death of breast cancer cells, and the SDH signaling pathway may be an important mediator of the inhibitory effects of GEO in MCF-7 breast cancer cells. GEO can inhibit the proliferation of breast cancer MCF-7 cells induced by BPA, and the underlying mechanism may be associated with oxidative phosphorylation. These results may aid the development of future treatment strategies for breast cancer caused by environmental estrogen exposure.
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Affiliation(s)
- Dan Lei
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Tao Hong
- School of Clinical Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Longxue Li
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Lai Chen
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Xiaoquan Luo
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Qinghua Wu
- Basic Medical College, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Zhiyong Liu
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
- Key Laboratory of Pharmacology of Traditional Chinese Medicine in Jiangxi, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
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Chen D, Shen Y, Wang S, Chen X, Cao X, Wang Z, Li Y. Efficient removal of various coexisting organic pollutants in water based on β-cyclodextrin polymer modified flower-like Fe 3O 4 particles. J Colloid Interface Sci 2021; 589:217-228. [PMID: 33460853 DOI: 10.1016/j.jcis.2020.12.109] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/25/2020] [Accepted: 12/27/2020] [Indexed: 01/17/2023]
Abstract
HYPOTHESIS The construction of porous β-cyclodextrin polymer (β-CDP) modified flower-like Fe3O4 particles (CDP@Fe3O4) is expected to remove various organic pollutants from water, based on the larger specific surface area of flower-like Fe3O4 particles and the active sites provided by β-CDP. With the help of various noncovalent interactions, the removal ability of CDP@Fe3O4 for various water-soluble and water-insoluble organic pollutants were systematically studied. EXPERIMENTS CDP@Fe3O4 were successfully synthesized and applied for the simultaneous removal of various organic pollutants with different electrical properties, structure and hydrophobicity. Adsorption efficiency, adsorption process, adsorption mechanism and the reusability of CDP@Fe3O4 for single pollutant and mixed pollutants were comprehensively investigated. FINDINGS CDP@Fe3O4 exhibited excellent adsorption capabilities for various pollutants. Importantly, when these pollutants were coexisting, CDP@Fe3O4 still maintained a comparable removal ability for various pollutants. Efficient removal of organic pollutants was attributed to varieties of noncovalent interactions between organic pollutants and CDP@Fe3O4, including hydrophobic interactions, hydrogen bonds, π-π and electrostatic interactions. These results revealed that the excellent adsorption ability and convenient regeneration make CDP@Fe3O4 being a potential candidate in various complex organic wastewater purification.
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Affiliation(s)
- Dafan Chen
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, No. 238 Songling Road, Qingdao 266100, PR China; School of Chemistry and Chemical Engineering, Qilu Normal University, Jinan 250200, PR China
| | - Yun Shen
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, No. 238 Songling Road, Qingdao 266100, PR China
| | - Shuangjia Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, No. 238 Songling Road, Qingdao 266100, PR China
| | - Xiuping Chen
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, No. 238 Songling Road, Qingdao 266100, PR China
| | - Xiaorong Cao
- School of Chemistry and Chemical Engineering, Qilu Normal University, Jinan 250200, PR China
| | - Zhining Wang
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, PR China
| | - Yiming Li
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, No. 238 Songling Road, Qingdao 266100, PR China.
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63
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Wu NC, Seebacher F. Bisphenols alter thermal responses and performance in zebrafish ( Danio rerio). CONSERVATION PHYSIOLOGY 2021; 9:coaa138. [PMID: 33505703 PMCID: PMC7816798 DOI: 10.1093/conphys/coaa138] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/16/2020] [Accepted: 12/19/2020] [Indexed: 05/07/2023]
Abstract
Plastic pollutants are novel environmental stressors that are now persistent components of natural ecosystems. Endocrine disrupting chemicals such as bisphenols that leach out of plastics can modify physiological responses of animals by interfering with hormone signalling. Here, we tested whether three commonly produced bisphenols, bisphenol A (BPA), bisphenol F (BPF) and bisphenol S (BPS), impair thermal acclimation of swimming performance and metabolic enzyme [citrate synthase (CS) and lactate dehydrogenase (LDH)] activities in adult zebrafish (Danio rerio). We found that exposure to 30-μg l-1 BPF and BPS, but not BPA, reduced swimming performance, and no interactions between bisphenol exposure and acclimation (3 weeks to 18°C and 28°C) or acute test (18°C and 28°C) temperatures were found. BPA interacted with acclimation and acute test temperatures to determine CS activity, an indicator of mitochondrial density and aerobic metabolic capacity. BPS reduced CS activity and an interaction (at a one-tailed significance) between acclimation temperature and BPF exposure determined CS activity. LDH activity reflects anaerobic ATP production capacity, and BPA and BPF altered the effects of thermal acclimation and acute test temperatures on LDH activity. Our data show that all bisphenols we tested at ecologically relevant concentrations can disrupt the thermal responses of fish. BPS and BPF are used as environmentally safer alternatives to BPA, but our data show that these bisphenols are also of concern, particularly in thermally variable environments.
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Affiliation(s)
| | - Frank Seebacher
- School of Life and Environmental Sciences A08, The University of Sydney, New South Wales 2006, Australia
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Engin AB, Engin A. The effect of environmental Bisphenol A exposure on breast cancer associated with obesity. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 81:103544. [PMID: 33161112 DOI: 10.1016/j.etap.2020.103544] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/30/2020] [Accepted: 11/01/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol A (BPA) is a widely used endocrine disrupter. Its environmental exposure is a causative factor of cell aging via decreasing telomerase activity, thus leading to shortening of telomere length. Epidemiological studies confirm positive associations between BPA exposure and the incidence of obesity and type 2 diabetes (T2DM). Increased urinary BPA levels in obese females are both significantly correlated with shorter relative telomere length and T2DM. BPA is a critically effective endocrine disrupter leading to poor prognosis via the obesity-inflammation-aromatase axis in breast cancer. Environmental BPA exposure contributes to the progression of both estrogen dependent and triple negative breast cancers. BPA is a positive regulator of human telomerase reverse transcriptase (hTERT) and it increases the expression of hTERT mRNA in breast cancer cells. BPA exposure can lead to tamoxifen resistance. Among patients treated with chemotherapy, those with persistent high telomerase activity due to BPA are at higher risk of death.
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Affiliation(s)
- Ayse Basak Engin
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey.
| | - Atilla Engin
- Gazi University, Faculty of Medicine, Department of General Surgery, Ankara, Turkey
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65
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Schjenken JE, Green ES, Overduin TS, Mah CY, Russell DL, Robertson SA. Endocrine Disruptor Compounds-A Cause of Impaired Immune Tolerance Driving Inflammatory Disorders of Pregnancy? Front Endocrinol (Lausanne) 2021; 12:607539. [PMID: 33912131 PMCID: PMC8072457 DOI: 10.3389/fendo.2021.607539] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
Endocrine disrupting compounds (EDCs) are prevalent and ubiquitous in our environment and have substantial potential to compromise human and animal health. Amongst the chronic health conditions associated with EDC exposure, dysregulation of reproductive function in both females and males is prominent. Human epidemiological studies demonstrate links between EDC exposure and infertility, as well as gestational disorders including miscarriage, fetal growth restriction, preeclampsia, and preterm birth. Animal experiments show EDCs administered during gestation, or to either parent prior to conception, can interfere with gamete quality, embryo implantation, and placental and fetal development, with consequences for offspring viability and health. It has been presumed that EDCs operate principally through disrupting hormone-regulated events in reproduction and fetal development, but EDC effects on maternal immune receptivity to pregnancy are also implicated. EDCs can modulate both the innate and adaptive arms of the immune system, to alter inflammatory responses, and interfere with generation of regulatory T (Treg) cells that are critical for pregnancy tolerance. Effects of EDCs on immune cells are complex and likely exerted by both steroid hormone-dependent and hormone-independent pathways. Thus, to better understand how EDCs impact reproduction and pregnancy, it is imperative to consider how immune-mediated mechanisms are affected by EDCs. This review will describe evidence that several EDCs modify elements of the immune response relevant to pregnancy, and will discuss the potential for EDCs to disrupt immune tolerance required for robust placentation and optimal fetal development.
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Affiliation(s)
- John E. Schjenken
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
- Priority Research Centre for Reproductive Science, Discipline of Biological Sciences, The Hunter Medical Research Institute, New Lambton Heights and the University of Newcastle, Newcastle, NSW, Australia
| | - Ella S. Green
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
| | - Tenuis S. Overduin
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
| | - Chui Yan Mah
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
| | - Darryl L. Russell
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
| | - Sarah A. Robertson
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
- *Correspondence: Sarah A. Robertson,
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Tassinari R, Narciso L, Tait S, Busani L, Martinelli A, Di Virgilio A, Carli F, Deodati A, La Rocca C, Maranghi F. Juvenile Toxicity Rodent Model to Study Toxicological Effects of Bisphenol A (BPA) at Dose Levels Derived From Italian Children Biomonitoring Study. Toxicol Sci 2020; 173:387-401. [PMID: 31697385 DOI: 10.1093/toxsci/kfz226] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Bisphenol A (BPA) is a plasticizer with endocrine disrupting properties particularly relevant for children health. Recently BPA has been associated with metabolic dysfunctions but no data are yet available in specific, long-term studies. This study aimed to evaluate BPA modes of action and hazards during animal juvenile life-stage, corresponding to childhood. Immature Sprague-Dawley rats of both sexes were orally treated with 0 (vehicle only-olive oil), 2, 6, and 18 mg/kg bw per day of BPA for 28 days, from weaning to sexual maturity. Dose levels were obtained from the PERSUADED biomonitoring study in Italian children. Both no-observed-adverse-effect-level (NOAEL)/low-observed-adverse-effect-level (LOAEL) and estimated benchmark dose (BMD) approaches were applied. General toxicity, parameters of sexual development, endocrine/reproductive/functional liver and kidney biomarkers, histopathology of target tissues, and gene expression in hypothalamic-pituitary area and liver were studied. No mortality or general toxicity occurred. Sex-specific alterations were observed in liver, thyroid, spleen, leptin/adiponectin serum levels, and hypothalamic-pituitary gene expression. Thyroid homeostasis and liver were the most sensitive targets of BPA exposure in the peripubertal phase. The proposed LOAEL was 2 mg/kg bw, considering as critical effect the liver endpoints, kidney weight in male and adrenal histomorphometrical alterations and osteopontin upregulation in female rats. The BMD lower bounds were 0.05 and 1.33 mg/kg bw in males and females, considering liver and thyroid biomarkers, respectively. Overall, BPA evaluation at dose levels derived from children biomonitoring study allowed to identify sex-specific, targeted toxicological effects that may have significant impact on risk assessment for children.
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Affiliation(s)
| | | | | | | | - Andrea Martinelli
- Experimental Animal Welfare Sector, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Antonio Di Virgilio
- Experimental Animal Welfare Sector, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Fabrizia Carli
- Institute of Clinical Physiology, National Research Council, Pisa, Italy
| | - Annalisa Deodati
- Dipartimento Pediatrico Universitario Ospedaliero "Bambino Gesù".,Children's Hospital-Tor Vergata University, Rome, Italy
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Xu J, Wang L, Zhang L, Zheng F, Wang F, Leng J, Wang K, Héroux P, Shen HM, Wu Y, Xia D. Mono-2-ethylhexyl phthalate drives progression of PINK1-parkin-mediated mitophagy via increasing mitochondrial ROS to exacerbate cytotoxicity. Redox Biol 2020; 38:101776. [PMID: 33161305 PMCID: PMC7649642 DOI: 10.1016/j.redox.2020.101776] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 10/20/2020] [Accepted: 10/27/2020] [Indexed: 12/27/2022] Open
Abstract
Phthalate ester plasticizers are used to improve the plasticity and strength of plastics. One of the most widely used and studied, di-2-ethylhexyl phthalate (DEHP), has been labeled as an endocrine disruptor. The major and toxic metabolic derivative of DEHP, mono-2-ethylhexyl phthalate (MEHP), is capable of interfering with mitochondrial function, but its mechanism of action on mitophagy remains elusive. Here, we report that MEHP exacerbates cytotoxicity by amplifying the PINK1-Parkin-mediated mitophagy pathway. First, MEHP exacerbated mitochondrial damage induced by low-dose CCCP via increased reactive oxygen species (ROS) production, decreased mitochondrial membrane potential (MMP), and enhanced fragmentation in mitochondria. Second, co-exposure to MEHP and CCCP (“MEHP-CCCP”) induced robust mitophagy. Mechanistically, MEHP-CCCP stabilized PINK1, increased the level of phosphorylated ubiquitin (pSer 65-Ub), and led to Parkin mitochondrial translocation and activation. Third, MEHP-CCCP synergistically caused more cell death, while inhibition of mitophagy, either through chemical or gene silencing, reduced cell death. Finally and importantly, co-treatment with N-acetyl cysteine (NAC) completely counteracted the effects of MEHP-CCCP, suggesting that mitochondrial ROS played a vital role in this process. Our results link mitophagy and MEHP cytotoxicity, providing an insight into the potential roles of endocrine disrupting chemicals (EDCs) in human diseases such as Parkinson's disease. Mono-2-ethylhexyl phthalate (MEHP) exacerbates mitochondrial damage induced by low-dose CCCP. Co-exposure to MEHP and CCCP (MEHP-CCCP) induces robust mitophagy in a PINK1-Parkin-dependent pathway. Mitophagy promotes MEHP-CCCP-induced cell death. ROS mediate MEHP-CCCP-induced mitophagy and cytotoxicity.
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Affiliation(s)
- Jian Xu
- Department of Toxicology of School of Public Health, And Department of Gynecologic Oncology of Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, PR China; Department of Central Laboratory, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, PR China
| | - Liming Wang
- Hunan Key Laboratory of Medical Epigenomics, Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China
| | - Lihuan Zhang
- Department of Toxicology of School of Public Health, And Department of Gynecologic Oncology of Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, PR China
| | - Fang Zheng
- Department of Toxicology of School of Public Health, And Department of Gynecologic Oncology of Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, PR China
| | - Fang Wang
- Department of Toxicology of School of Public Health, And Department of Gynecologic Oncology of Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, PR China
| | - Jianhang Leng
- Department of Central Laboratory, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, PR China
| | - Keyi Wang
- Department of Central Laboratory, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, PR China
| | - Paul Héroux
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Canada
| | - Han-Ming Shen
- Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Yihua Wu
- Department of Toxicology of School of Public Health, And Department of Gynecologic Oncology of Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, PR China.
| | - Dajing Xia
- Department of Toxicology of School of Public Health, And Department of Gynecologic Oncology of Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, PR China.
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68
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Grelska A, Noszczyńska M. White rot fungi can be a promising tool for removal of bisphenol A, bisphenol S, and nonylphenol from wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:39958-39976. [PMID: 32803603 PMCID: PMC7546991 DOI: 10.1007/s11356-020-10382-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 08/03/2020] [Indexed: 05/04/2023]
Abstract
Endocrine-disrupting chemicals (EDC) are a wide group of chemicals that interfere with the endocrine system. Their similarity to natural steroid hormones makes them able to attach to hormone receptors, thereby causing unfavorable health effects. Among EDC, bisphenol A (BPA), bisphenol S (BPS), and nonylphenol (NP) seem to be particularly harmful. As the industry is experiencing rapid expansion, BPA, BPS, and NP are being produced in growing amounts, generating considerable environmental pollution. White rot fungi (WRF) are an economical, ecologically friendly, and socially acceptable way to remove EDC contamination from ecosystems. WRF secrete extracellular ligninolytic enzymes such as laccase, manganese peroxidase, lignin peroxidase, and versatile peroxidase, involved in lignin deterioration. Owing to the broad substrate specificity of these enzymes, they are able to remove numerous xenobiotics, including EDC. Therefore, WRF seem to be a promising tool in the abovementioned EDC elimination during wastewater treatment processes. Here, we review WRF application for this EDC removal from wastewater and indicate several strengths and limitations of such methods.
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Affiliation(s)
- Agnieszka Grelska
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Jagiellońska 28, 40-032, Katowice, Poland
| | - Magdalena Noszczyńska
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Jagiellońska 28, 40-032, Katowice, Poland.
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Liu R, Luo X, Shu S, Ding J, Zhang G, Wang Z, Zou H, Zhang Y. Impact of rainfall on the occurrence, spatiotemporal distribution, and partition trend of micropollutants in Taihu Lake, China: Bisphenol A and 4-nonylphenol as examples. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 204:111064. [PMID: 32738625 DOI: 10.1016/j.ecoenv.2020.111064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 06/21/2020] [Accepted: 07/22/2020] [Indexed: 06/11/2023]
Abstract
Very limited studies have evaluated the impact of rainfall on the fate of endocrine-disrupting micropollutants in lacustrine systems. This yearlong study investigated monthly fluctuation of bisphenol A (BPA) and 4-nonylphenol (NP) concentrations in both water and sediment samples from Taihu Lake and evaluated the impact of rainfall on their spatiotemporal distribution and partition trends. Results showed that BPA concentration in water was negatively correlated to rainfall while NP concentrations in both phases were positively related to rainfall. The spatial distribution of NP in the lake water was season specific with the lakeshore area higher than the central area during the wet season and a reversed pattern during the dry season. The spatial distributions of sediment-associated NP and BPA in both phases were not significantly different among seasons. Contrary partition tendencies were observed for BPA and NP that BPA tended to desorb from sediment and NP tended to be adsorbed during the wet season while the trends were reversed during the dry season. This study suggests that rainfall could affect the occurrence, distribution and environmental fate of micropollutants and should be considered in the monitoring program and risk assessment.
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Affiliation(s)
- Rong Liu
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China
| | - Xin Luo
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China
| | - Shu Shu
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China
| | - Jiannan Ding
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China
| | - Guangsheng Zhang
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China
| | - Zhenyu Wang
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China
| | - Hua Zou
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou, 215009, China; State Key Laboratory of NBC Protection for Civilian, Beijing, 102200, China.
| | - Yun Zhang
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China.
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Zahra A, Sisu C, Silva E, De Aguiar Greca SC, Randeva HS, Chatha K, Kyrou I, Karteris E. Is There a Link between Bisphenol A (BPA), a Key Endocrine Disruptor, and the Risk for SARS-CoV-2 Infection and Severe COVID-19? J Clin Med 2020; 9:E3296. [PMID: 33066495 PMCID: PMC7602132 DOI: 10.3390/jcm9103296] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/06/2020] [Accepted: 10/07/2020] [Indexed: 01/08/2023] Open
Abstract
Infection by the severe acute respiratory syndrome (SARS) coronavirus-2 (SARS-CoV-2) is the causative agent of a new disease (COVID-19). The risk of severe COVID-19 is increased by certain underlying comorbidities, including asthma, cancer, cardiovascular disease, hypertension, diabetes, and obesity. Notably, exposure to hormonally active chemicals called endocrine-disrupting chemicals (EDCs) can promote such cardio-metabolic diseases, endocrine-related cancers, and immune system dysregulation and thus, may also be linked to higher risk of severe COVID-19. Bisphenol A (BPA) is among the most common EDCs and exerts its effects via receptors which are widely distributed in human tissues, including nuclear oestrogen receptors (ERα and ERβ), membrane-bound oestrogen receptor (G protein-coupled receptor 30; GPR30), and human nuclear receptor oestrogen-related receptor gamma. As such, this paper focuses on the potential role of BPA in promoting comorbidities associated with severe COVID-19, as well as on potential BPA-induced effects on key SARS-CoV-2 infection mediators, such as angiotensin-converting enzyme 2 (ACE2) and transmembrane serine protease 2 (TMPRSS2). Interestingly, GPR30 appears to exhibit greater co-localisation with TMPRSS2 in key tissues like lung and prostate, suggesting that BPA exposure may impact on the local expression of these SARS-CoV-2 infection mediators. Overall, the potential role of BPA on the risk and severity of COVID-19 merits further investigation.
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Affiliation(s)
- Aeman Zahra
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (A.Z.); (C.S.); (E.S.); (S.-C.D.A.G.)
| | - Cristina Sisu
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (A.Z.); (C.S.); (E.S.); (S.-C.D.A.G.)
| | - Elisabete Silva
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (A.Z.); (C.S.); (E.S.); (S.-C.D.A.G.)
| | - Sophie-Christine De Aguiar Greca
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (A.Z.); (C.S.); (E.S.); (S.-C.D.A.G.)
| | - Harpal S. Randeva
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK; (H.S.R.); (I.K.)
- Aston Medical Research Institute, Aston Medical School, Aston University, Birmingham B4 7ET, UK
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK;
| | - Kamaljit Chatha
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK;
- Department of Biochemistry and Immunology, University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
| | - Ioannis Kyrou
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK; (H.S.R.); (I.K.)
- Aston Medical Research Institute, Aston Medical School, Aston University, Birmingham B4 7ET, UK
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK;
| | - Emmanouil Karteris
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (A.Z.); (C.S.); (E.S.); (S.-C.D.A.G.)
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71
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Bisphenol A Exacerbates Allergic Inflammation in an Ovalbumin-Induced Mouse Model of Allergic Rhinitis. J Immunol Res 2020; 2020:7573103. [PMID: 32964057 PMCID: PMC7495229 DOI: 10.1155/2020/7573103] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/16/2020] [Accepted: 08/21/2020] [Indexed: 01/01/2023] Open
Abstract
Purpose Bisphenol A (BPA) is found in many plastic products and is thus a common environmental endocrine disruptor. Plastic-related health problems, including allergic diseases, are attracting increasing attention. However, few experimental studies have explored the effect of BPA on allergic rhinitis (AR). We explore whether BPA was directly related to the allergic inflammation induced by ovalbumin (OVA) in AR mice. Methods We first constructed OVA-induced mouse model, and after BPA administration, we evaluated nasal symptoms and measured the serum OVA-specific IgE levels by ELISA. Th2 and Treg-related cytokines of nasal mucosa were measured by cytometric bead array. Th2 and Treg-specific transcription factor levels were assayed by PCR. The proportions of CD3+CD4+IL-4+Th2 and CD4+Helios+Foxp3+ T cells (Tregs) in spleen tissue were determined by flow cytometry. Results Compared to OVA-only-induced mice, BPA addition increased nasal symptoms and serum OVA-specific IgE levels. OVA and BPA coexposure significantly increased IL-4 and IL-13 protein levels compared to those after OVA exposure alone. BPA plus OVA tended to decrease the IL-10 protein levels compared to those after OVA alone. Coexposure to OVA and BPA significantly increased the GATA-3-encoding mRNA level, and decreased the levels of mRNAs encoding Foxp3 and Helios, compared to those after OVA exposure alone. BPA increased the Th2 cell proportion, and decreased that of Tregs, compared to the levels with OVA alone. Conclusion BPA exerted negative effects by exacerbating AR allergic symptoms, increasing serum OVA-specific IgE levels, and compromising Th2 and Treg responses.
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72
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Zhu L, Yuan C, Wang M, Liu Y, Wang Z, Seif MM. Bisphenol A-associated alterations in DNA and histone methylation affects semen quality in rare minnow Gobiocypris rarus. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 226:105580. [PMID: 32712368 DOI: 10.1016/j.aquatox.2020.105580] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 07/04/2020] [Accepted: 07/16/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol A (BPA), a well-known estrogenic endocrine disruptor, is ubiquitously present in the environment, possessing the potential to interfere with the reproductive endocrine system in male mammals. However, there are limited studies on the reproductive toxicity in male aquatic animals associated with epigenetic modifications. In order to evaluate the potential effects of BPA on reproduction and better understand the underlying mechanism, adult male rare minnow (Gobiocypris rarus) were exposed to 15 μg L-1 BPA over a period of 63 d. Results showed that BPA induced congestion of blood vessels and infiltration of inflammatory cells after 21 d exposure, and decreased sperm fertilization after 63 d exposure. The genome DNA methylation levels were significantly increased throughout the treatment, and a strong positive stain were found in the spermatocyte, spermatid and sperm. The H3K4me3 level in all types of germ cell were increased by 21 d exposure while decreased following 63 d exposure. The positive stain of H3K9me3 was decreased in sperms while increased in spermatids by 21 d exposure. In addition, the H3K9me3 level was significantly increased after 63 d exposure, and a strong positive stain were found in spermatocytes, spermatids, and sperms. Our result also revealed that the transcripts of DNA methyltransferase genes (dnmt1 and dnmt3-8) and histone methyltransferase genes (mll2-5, setdb1-2 and ezh2) were also markedly changed under BPA exposure for 21-63 d. These findings indicated that BPA had toxicity in male reproductive, and DNA/histone methylation might play a vital role in the regulation of BPA-triggered the decreased of sperm quality.
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Affiliation(s)
- Long Zhu
- College of Animal Science and Technology, Northwest A&F University, Yang Ling, Shaanxi, 712100, China
| | - Cong Yuan
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Mingrong Wang
- College of Animal Science and Technology, Northwest A&F University, Yang Ling, Shaanxi, 712100, China
| | - Yan Liu
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Zaizhao Wang
- College of Animal Science and Technology, Northwest A&F University, Yang Ling, Shaanxi, 712100, China.
| | - Mohamed M Seif
- College of Animal Science and Technology, Northwest A&F University, Yang Ling, Shaanxi, 712100, China; Toxicology and Food Contaminants Department, National Research Centre, Cairo 11435, Egypt
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73
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Calaf GM, Ponce-Cusi R, Aguayo F, Muñoz JP, Bleak TC. Endocrine disruptors from the environment affecting breast cancer. Oncol Lett 2020; 20:19-32. [PMID: 32565930 PMCID: PMC7286136 DOI: 10.3892/ol.2020.11566] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 02/10/2020] [Indexed: 12/12/2022] Open
Abstract
Evaluation of carcinogenic substances from the environment is a challenge for scientists. Recently, a novel approach based on 10 key characteristics of human carcinogens classified by the International Agency for Research on Cancer (IARC) has emerged. Carcinogenesis depends on different mechanisms and factors, including genetic, infectious (bacteria, viruses) and environmental (chemicals) factors. Endocrine disruptors are exogenous chemicals that can interfere and impair the function of the endocrine system due to their interaction with estrogen receptors or their estrogen signaling pathways inducing adverse effects in the normal mammary development, originating cancer. They are heterogeneous chemicals and include numerous synthetic substances used worldwide in agriculture, industry and consumer products. The most common are plasticizers, such as bisphenol A (BPA), pesticides, such as dichlorodiphenyltrichloroethane, and polychlorinated biphenyls (PCBs). Xenoestrogens appear to serve an important role in the increased incidence of breast cancer in the United States and numerous other countries. Several studies have demonstrated the role of organochlorine xenoestrogens in breast cancer. Therefore, the overall cumulative exposure of women to estrogens results in an increased risk for this type of cancer. Factors like lifestyle and diet also serve a role in the increased incidence of this disease. The aim of the present study was to analyze these chemical compounds based on the key characteristics given by the IARC, with a special focus on breast cancer, to establish whether these compounds are carcinogens, and to create a model for future analysis of other endocrine disruptors.
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Affiliation(s)
- Gloria M Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile
- Center for Radiological Research, Columbia University Medical Center, New York, NY 10032, USA
| | - Richard Ponce-Cusi
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile
| | - Francisco Aguayo
- Programa de Virología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago 8380000, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago 8380000, Chile
| | - Juan P Muñoz
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile
| | - Tammy C Bleak
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile
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74
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Wu NC, Seebacher F. Effect of the plastic pollutant bisphenol A on the biology of aquatic organisms: A meta-analysis. GLOBAL CHANGE BIOLOGY 2020; 26:3821-3833. [PMID: 32436328 DOI: 10.1111/gcb.15127] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 03/23/2020] [Indexed: 06/11/2023]
Abstract
Plastic pollution is a global environmental concern. In particular, the endocrine-disrupting chemical bisphenol A (BPA) is nearly ubiquitous in aquatic environments globally, and it continues to be produced and released into the environment in large quantities. BPA disrupts hormone signalling and can thereby have far-reaching physiological and ecological consequences. However, it is not clear whether BPA has consistent effects across biological traits and phylogenetic groups. Hence, the aim of this study was to establish the current state of knowledge of the effect of BPA in aquatic organisms. We show that overall BPA exposure affected aquatic organisms negatively. It increased abnormalities, altered behaviour and had negative effects on the cardiovascular system, development, growth and survival. Early life stages were the most sensitive to BPA exposure in invertebrates and vertebrates, and invertebrates and amphibians seem to be particularly affected. These data provide a context for management efforts in the face of increasing plastic pollution. However, data availability is highly biased with respect to taxonomic groups and traits studies, and in the geographical distribution of sample collection. The latter is the case for both measurements of the biological responses and assessing pollution levels in water ways. Future research effort should be directed towards biological systems, such as studying endocrine disruption directly, and geographical areas (particularly in Africa and Asia) which we identify to be currently undersampled.
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Affiliation(s)
- Nicholas C Wu
- School of Life and Environmental Sciences A08, The University of Sydney, Sydney, NSW, Australia
| | - Frank Seebacher
- School of Life and Environmental Sciences A08, The University of Sydney, Sydney, NSW, Australia
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75
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Tandon A, Singh SJ, Gupta M, Singh N, Shankar J, Arjaria N, Goyal S, Chaturvedi RK. Notch pathway up-regulation via curcumin mitigates bisphenol-A (BPA) induced alterations in hippocampal oligodendrogenesis. JOURNAL OF HAZARDOUS MATERIALS 2020; 392:122052. [PMID: 32151947 DOI: 10.1016/j.jhazmat.2020.122052] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 01/06/2020] [Accepted: 01/07/2020] [Indexed: 05/02/2023]
Abstract
CNS myelination process involves proliferation and differentiation of oligodendrocyte progenitor cells (OPCs). Defective myelination causes onset of neurological disorders. Bisphenol-A (BPA), a component of plastic items, exerts adverse effects on human health. Our previous studies indicated that BPA impairs neurogenesis and myelination process stimulating cognitive dysfunctions. But, the underlying mechanism(s) of BPA induced de-myelination and probable neuroprotection by curcumin remains elusive. We found that curcumin protected BPA mediated adverse effects on oligosphere growth kinetics. Curcumin significantly improved proliferation and differentiation of OPCs upon BPA exposure both in-vitro and in-vivo. Curcumin enhanced the mRNA expression and protein levels of myelination markers in BPA treated rat hippocampus. Curcumin improved myelination potential via increasing β-III tubulin-/MBP+ cells (neuron-oligodendrocyte co-culture) and augmented fluoromyelin intensity and neurofilament/MBP+ neurons in vivo. In silico docking studies suggested Notch pathway genes (Notch-1, Hes-1 and Mib-1) as potential targets of BPA and curcumin. Curcumin reversed BPA mediated myelination inhibition via increasing the Notch pathway gene expression. Genetic and pharmacological Notch pathway inhibition by DAPT and Notch-1 siRNA exhibited decreased curcumin mediated neuroprotection. Curcumin improved BPA mediated myelin sheath degeneration and neurobehavioral impairments. Altogether, results suggest that curcumin protected BPA induced de-myelination and behavioural deficits through Notch pathway activation.
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Affiliation(s)
- Ankit Tandon
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh (U.P.), India; Department of Biochemistry, School of Dental Sciences, Babu Banarasi Das University, BBD City, Faizabad Road, Lucknow 226 028, U.P., India
| | - Sangh Jyoti Singh
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh (U.P.), India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Lucknow Campus, Lucknow, India
| | - Manjeet Gupta
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh (U.P.), India
| | - Nivedita Singh
- Department of Biochemistry, School of Dental Sciences, Babu Banarasi Das University, BBD City, Faizabad Road, Lucknow 226 028, U.P., India
| | - Jai Shankar
- Advanced Imaging Facility, CSIR-IITR, Lucknow, India
| | - Nidhi Arjaria
- Advanced Imaging Facility, CSIR-IITR, Lucknow, India
| | - Shweta Goyal
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh (U.P.), India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Lucknow Campus, Lucknow, India
| | - Rajnish Kumar Chaturvedi
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh (U.P.), India.
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76
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Wiersielis KR, Adams S, Yasrebi A, Conde K, Roepke TA. Maternal exposure to organophosphate flame retardants alters locomotor and anxiety-like behavior in male and female adult offspring. Horm Behav 2020; 122:104759. [PMID: 32320692 PMCID: PMC8530209 DOI: 10.1016/j.yhbeh.2020.104759] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 04/11/2020] [Accepted: 04/12/2020] [Indexed: 11/27/2022]
Abstract
Endocrine disrupting chemicals (EDCs) are chemicals found in our environment that interrupt typical endocrine function. Some flame retardants (FRs) are EDCs as shown in their interaction with steroid and nuclear receptors. Humans are consistently exposed to flame retardants as they are used in everyday items such as plastics, clothing, toys, and electronics. Polybrominated diphenyl ethers were used as the major FR until 2004, when they were replaced by organophosphate flame retardants (OPFRs). Previous research in rodent models utilizing a commercial flame retardant mixture containing OPFRs reported alterations in anxiety-like behavior in the elevated plus maze (EPM) for rodents perinatally exposed to OPFRs. In the present study we utilize wild-type mice maternally exposed (gestational day 7 to postnatal day 14) to either an OPFR mixture of tris(1,3-dichloro-2-propyl), triphenyl phosphate, and tricresyl phosphate or a sesame seed oil vehicle. These mice were evaluated for anxiety-like behavior in adulthood on the open field test (OFT) and the light/dark box (LDB) as well as the EPM. Outcomes from the OFT and LDB indicate that males and females maternally exposed to OPFRs exhibit altered locomotor activity. Results of the EPM were sex-specific as we did not observe an effect in females; however, effects in males differed depending on exposure condition. Males maternally exposed to OPFRs exhibited an anxiolytic-like phenotype in contrast to their vehicle counterparts. This effect in perinatally OPFR-exposed males was not due to alterations in locomotor activity. Our research illustrates that there are sex- and exposure-dependent effects of perinatal OPFR exposure on adult locomotor and anxiety-like behaviors in a mouse model.
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Affiliation(s)
- K R Wiersielis
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA; Joint Graduate Program in Toxicology, Rutgers, The State University of New Jersey, Piscataway, NJ, USA.
| | - S Adams
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - A Yasrebi
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - K Conde
- Graduate Program in Neuroscience, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - T A Roepke
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA; Joint Graduate Program in Toxicology, Rutgers, The State University of New Jersey, Piscataway, NJ, USA; Graduate Program in Neuroscience, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
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77
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Hu F, Zhang L, Li T, Wang H, Liang W, Zhou Y. Bisphenol-A Exposure during Gestation and Lactation Causes Visual Perception Deficits in Rat Pups Following a Decrease in Interleukin 1β Expression in the Primary Visual Cortex. Neuroscience 2020; 434:148-160. [PMID: 32222558 DOI: 10.1016/j.neuroscience.2020.03.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 03/19/2020] [Accepted: 03/21/2020] [Indexed: 10/24/2022]
Abstract
Bisphenol-A (BPA) exposure can affect cognitive functions of rodents and humans. However, whether information inputs for these functions in the brain are perturbed by BPA remains unclear. Here, visual perception in rats was assessed by testing their ability to discriminate between vertical and horizontal grating. We found that BPA exposure (1 mg/kg/day) during gestation and lactation markedly decreased the grating discrimination ability in rat pups (postnatal 21 days). The results of neuronal functions in the primary visual cortex (V1) showed that the orientation selectivity and signal extraction ability and fidelity were notably decreased after BPA exposure. These effects were accompanied by a reduction in synaptic plasticity (i.e., spine density and maturity) in the V1. According to inflammatory factor expression and glial cell morphology, no increase in inflammatory activation was observed after BPA exposure. However, BPA-exposed rat pups exhibited a significant decrease in IL-1β expression in the V1, accompanied by a decline in P38 phosphorylation. After local injection of IL-1β (10 ng/ml) in the V1, these two visual properties recovered to normal levels. Thus, our findings imply that physiological dysfunction of IL-1β may contribute to orientation perception deficits in BPA-exposed rats.
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Affiliation(s)
- Fan Hu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, People's Republic of China.
| | - Linke Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, People's Republic of China
| | - Tingting Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, People's Republic of China
| | - Huan Wang
- CAS Key Laboratory of Brain Function and Diseases, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, People's Republic of China
| | - Weifeng Liang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, People's Republic of China
| | - Yifeng Zhou
- CAS Key Laboratory of Brain Function and Diseases, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, People's Republic of China.
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78
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Akçay NC, Ömeroğlu S, Dizakar SÖA, Kavutçu M, Türkoğlu İ, Eşmekaya MA, Peker TV. The effects of melatonin on possible damage that will occur on adipocytokines and liver tissue by coadministration of fructose and bisphenol a (BPA). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:16231-16245. [PMID: 32124283 DOI: 10.1007/s11356-020-08041-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
BPA, one of the environmental endocrine disruptors, and fructose, reason of liver steatosis which is frequently encountered in the daily diet, contribute to the formation of metabolic syndrome (MetS). This study examines the possible effects of concurrent fructose and BPA administration on MetS and determines the effects of melatonin on this process. In the seven identified groups, a total of forty-two adult male Sprague Dawley rats were treated by following fructose, BPA, and melatonin amounts, separately and together: group 1 (control), group 2 (10% aqueous fructose), group 3 (25 mg/kg BPA), group 4 (10% fructose + 25 mg/kg BPA), group 5 (10% fructose + 20 mg/kg melatonin), group 6 (25 mg/kg BPA + 20 mg/kg melatonin), and group 7 (10% fructose + 25 mg/kg BPA + 20 mg/kg melatonin). At the end of 60 days, histochemical, immunohistochemical, and biochemical procedures were performed on liver tissue. As a result, it was seen that BPA and fructose + BPA induced morphological alteration and inflammation and increased intracellular lipid quantity and amount of collagen and reticular fibers. The percentage of apoptotic liver cells stained by annexin V-FITC/PI was lower in group 7 compared to the group 4 (p < 0,001) and also in group 6 compared to the group 3 (p = 0.014). Both BPA and fructose application caused an increase in lipid peroxidation level due to the increase of oxidative stress. Application of melatonin induced antioxidant enzyme activity and reduced lipid peroxidation level. Our results indicate that fructose and BPA administration triggered the formation of MetS, whereas melatonin healed these variations, although not entirely.
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Affiliation(s)
- Neslihan Coşkun Akçay
- Department of Obstetrics and Gynecology, In Vitro Fertilization Unit, Hacettepe University Faculty of Medicine, 2th Floor, 06230, Ankara, Turkey.
| | - Suna Ömeroğlu
- Department of Histology and Embryology, Gazi University Medical Faculty. Gazi University Faculty of Medicine Dean's Building, 4th Floor, Beşevler, Yenimahalle, 06560, Ankara, Turkey
| | - Saadet Özen Akarca Dizakar
- Department of Histology and Embryology, Gazi University Medical Faculty. Gazi University Faculty of Medicine Dean's Building, 4th Floor, Beşevler, Yenimahalle, 06560, Ankara, Turkey
| | - Mustafa Kavutçu
- Department of Biochemistry, Gazi University Medical Faculty. Gazi University Faculty of Medicine Dean's Building, 5th Floor, Beşevler, Yenimahalle, 06560, Ankara, Turkey
| | - İsmail Türkoğlu
- Department of Histology and Embryology, Gazi University Medical Faculty. Gazi University Faculty of Medicine Dean's Building, 4th Floor, Beşevler, Yenimahalle, 06560, Ankara, Turkey
| | - Meriç Arda Eşmekaya
- Department of Biophysics, Gazi University Medical Faculty. Gazi University Faculty of Medicine Dean's Building, 5th Floor, Beşevler, Yenimahalle, 06560, Ankara, Turkey
| | - Tuncay Veysel Peker
- Department of Anatomy, Gazi University Medical Faculty. Gazi University Faculty of Medicine Dean's Building, 2th Floor, Beşevler, Yenimahalle, 06560, Ankara, Turkey
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79
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Deep eutectic solvent-based liquid-liquid microextraction for the HPLC-DAD analysis of bisphenol A in edible oils. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112881] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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80
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Jang JW, Lee JW, Yoon YD, Kang JS, Moon EY. Bisphenol A and its substitutes regulate human B cell survival via Nrf2 expression. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 259:113907. [PMID: 32023790 DOI: 10.1016/j.envpol.2019.113907] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 12/15/2019] [Accepted: 12/31/2019] [Indexed: 05/28/2023]
Abstract
B cells contribute to produce inflammatory cytokines and antibodies, to present autoantigens, and to interact with T cells, which lead to body defense and disease control. Nuclear factor (erythroid-derived 2)-like 2(Nrf2) is responsible for gene expression of antioxidant enzymes to protect cells from oxidative stress by reactive oxygen species(ROS) production. Bisphenol A(BPA) may not be safe due to the effect on body's physiological functions. The chemicals that substitute for BPA may still have similar effects in the body. Tritan™ copolyester is a novel plastic form using BPA substitutes, 1,4-cyclohexanedimethanol(CHDM), dimethyl terephthalate(DMT), and 2,2,4,4-tetramethyl-1,3-cyclobutanediol(TMCD). Isosorbide(ISO) was also used as a substitute for TMCD and DMT. Here, we investigated whether B cell viability is influenced by BPA and its substitutes via Nrf2 induction using WiL2-NS human B lymphoblast cells. When cytotoxicity was measured by using assays with MTT, CellTiter-Glo, trypan blue and propidium iodide, cytotoxicity by BPA was higher than that by substitutes. BPA and its substitutes showed significant cytotoxicity and ROS production, which were attenuated by the treatment with N-acetylcysteine(NAC), a ROS scavenger. In addition, BPA treatment enhanced gene expression of antioxidant enzymes, heme oxygenase(HO)-1, catalase, superoxide dismutase(SOD) 1 and 2. As H2O2 treatment induced cell death and Nrf2 amount in WiL2-NS cells, BPA treatment increased Nrf2. Cell death by H2O2 was increased in doxycycline-inducible Nrf2-knockdown(KD) cells. In Cytotoxicity by the treatment with BPA or its substitutes was also enhanced in Nrf2-KD cells but that was reduced by Nrf2 overexpression compared to control cells. Taken together, these results implicate that B cell cytotoxicity by substitutes should be lower than BPA and Nrf2 can prevent B cells from BPA- or BPA substitutes-induced cytotoxicity via ROS production. Data suggest that the comprehensive studies or evaluation could be necessary to replace BPA in manufacture by other substitutes.
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Affiliation(s)
- Ju-Won Jang
- Department of Bioscience and Biotechnology, Sejong University, Seoul, 05006, Republic of Korea
| | - Jae-Wook Lee
- Department of Bioscience and Biotechnology, Sejong University, Seoul, 05006, Republic of Korea
| | - Yeo Dae Yoon
- Bio-evaluation Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Chungcheongbuk-do, 28116, Republic of Korea
| | - Jong-Soon Kang
- Bio-evaluation Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Chungcheongbuk-do, 28116, Republic of Korea
| | - Eun-Yi Moon
- Department of Bioscience and Biotechnology, Sejong University, Seoul, 05006, Republic of Korea.
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81
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Lu G, Dai J, Liu J, Tian S, Xu Y, Teng N, Liu X. A New Sight into Bio-Based Polybenzoxazine: From Tunable Thermal and Mechanical Properties to Excellent Marine Antifouling Performance. ACS OMEGA 2020; 5:3763-3773. [PMID: 32118193 PMCID: PMC7045792 DOI: 10.1021/acsomega.0c00025] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 02/06/2020] [Indexed: 06/10/2023]
Abstract
With the rapid development of bio-based polymers, polybenzoxazine derived from renewable resources has been widely investigated. However, there are few reports on the functional application of bio-based polybenzoxazine based on the special chemical structures of renewable compounds. In this work, an easy approach to prepare the polybenzoxazines with varied thermomechanical properties and excellent marine antifouling performance from renewable resources is presented. After a variety of main-chain-type benzoxazine polymers (MCBPs) were synthesized from the renewable daidzein, furfurylamine, polyetheramine, and paraformaldehyde, their chemical structures were identified by Fourier transform infrared spectroscopy and nuclear magnetic resonance spectroscopy (1H NMR). Then, their curing behaviors were monitored by differential scanning calorimetry and rheological tests. Results revealed that the cross-linked MCBPs with varied thermomechanical properties could be easily prepared by adjusting the molar ratio of polyetheramine and furfuramine. Notably, these cured MCBP films demonstrated excellent antibacterial and algaecidal properties due to the presence of daidzein and furan units. This work first presents the new application prospect of bio-based MCBPs, for example, in marine antifouling coatings.
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Affiliation(s)
- Guangming Lu
- School
of Marine Sciences, Ningbo University, Ningbo 315820, PR China
- Ningbo
Institute of Materials Technology and Engineering, Chinese Academy
of Sciences, Ningbo 315201, PR China
- Key
Laboratory of Marine Materials and Related Technologies, Key Laboratory of Marine Materials and Protective
Technologies of Zhejiang Province, Ningbo 315201, PR China
| | - Jinyue Dai
- Ningbo
Institute of Materials Technology and Engineering, Chinese Academy
of Sciences, Ningbo 315201, PR China
| | - Jingkai Liu
- Ningbo
Institute of Materials Technology and Engineering, Chinese Academy
of Sciences, Ningbo 315201, PR China
| | - Shu Tian
- Ningbo
Institute of Materials Technology and Engineering, Chinese Academy
of Sciences, Ningbo 315201, PR China
| | - Yongjian Xu
- School
of Marine Sciences, Ningbo University, Ningbo 315820, PR China
| | - Na Teng
- Ningbo
Institute of Materials Technology and Engineering, Chinese Academy
of Sciences, Ningbo 315201, PR China
| | - Xiaoqing Liu
- Ningbo
Institute of Materials Technology and Engineering, Chinese Academy
of Sciences, Ningbo 315201, PR China
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82
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Meyer N, Zenclussen AC. Immune Cells in the Uterine Remodeling: Are They the Target of Endocrine Disrupting Chemicals? Front Immunol 2020; 11:246. [PMID: 32140155 PMCID: PMC7043066 DOI: 10.3389/fimmu.2020.00246] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 01/30/2020] [Indexed: 12/17/2022] Open
Abstract
Sufficient uterine remodeling is essential for fetal survival and development. Pathologies related to poor remodeling have a negative impact on maternal and fetal health even years after birth. Research of the last decades yielded excellent studies demonstrating the key role of immune cells in the remodeling processes. This review summarizes the current knowledge about the relevance of immune cells for uterine remodeling during pregnancy and further discusses immunomodulatory effects of man-made endocrine disrupting chemicals on immune cells.
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Affiliation(s)
- Nicole Meyer
- Experimental Obstetrics and Gynecology, Medical Faculty, Otto-von-Guericke University, Magdeburg, Germany
| | - Ana Claudia Zenclussen
- Experimental Obstetrics and Gynecology, Medical Faculty, Otto-von-Guericke University, Magdeburg, Germany
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83
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Sabogal-Paz LP, Campos LC, Bogush A, Canales M. Household slow sand filters in intermittent and continuous flows to treat water containing low mineral ion concentrations and Bisphenol A. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 702:135078. [PMID: 31715392 DOI: 10.1016/j.scitotenv.2019.135078] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 10/08/2019] [Accepted: 10/18/2019] [Indexed: 05/27/2023]
Abstract
Household slow sand filter (HSSF) has been used as an alternative to drinking water treatment in rural communities worldwide; however, its performance to treat influent water with quality similar to rainwater still needs further studies. Rainwater presents low pH and slight mineral ion concentrations, an aspect that can modify the filter media and consequently the HSSF efficiency. Furthermore, house roofs used in rainwater harvesting can be made of plastic. Therefore, it can introduce chemicals such as Bisphenol A (BPA) in the water. In this context, two pilot-scale HSSFs operated in continuous and intermittent flows were evaluated to treat water containing BPA and low mineral ion concentrations in order to assess the filter performance. Filter media leaching was noticed in the trials; thus, filter media and construction material selection must be carefully evaluated to eliminate risks of pollutant occurrence in drinking water. Operational differences between continuous and intermittent flows influenced the HSSF efficiency for BPA and DOC removals; even so, the filters' performance was low probably due to the slow schmutzdecke development. According to tracer test results, HSSF can be classified as a plug flow reactor and strategies to improve its hydraulic performance are not required.
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Affiliation(s)
- Lyda Patricia Sabogal-Paz
- Department of Hydraulics and Sanitation, São Carlos School of Engineering, University of São Paulo, Trabalhador São-Carlense Avenue, 400, São Paulo 13566-590, Brazil.
| | - Luiza Cintra Campos
- Department of Civil, Environmental and Geomatic Engineering, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - Anna Bogush
- Department of Earth Sciences, University College London (UCL), Gower Street, London WC1E 6BT, United Kingdom
| | - Melisa Canales
- Department of Civil, Environmental and Geomatic Engineering, University College London, Gower Street, London WC1E 6BT, United Kingdom
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84
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Nowak K, Jabłońska E, Radziwon P, Ratajczak-Wrona W. Identification of a novel target for the action of endocrine disrupting chemicals: inhibitory effect of methylparaben on human neutrophil functions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:6540-6548. [PMID: 31873886 DOI: 10.1007/s11356-019-07388-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 12/11/2019] [Indexed: 06/10/2023]
Abstract
This study was conducted to verify a hypothesis that immune cells are a target for the action of endocrine disrupting chemicals (EDCs) by investigating whether methylparaben (MeP) modulates human neutrophil functions. Neutrophils isolated from 15 donor samples were studied. Cells were incubated in the presence of increasing MeP concentrations (0.06, 0.8, 10, and 20 μM). The cytotoxic effect of MeP on neutrophils was evaluated by the MTT test. The ability of the neutrophils for chemotaxis, phagocytosis, NADPH oxidase activity, and superoxide anion generation was assessed in Boyden's chamber, Park's method with latex, the NBT test, and the cytochrome C reduction test, respectively. The total nitric oxide (NO) concentration was measured by the Griess reaction. There was no observable cytotoxic effect of MeP on human neutrophils. MeP (10 and 20 μM) exposure decreased neutrophilic ability for the tested functions, except for NO production. In neutrophils incubated with MeP (0.8 μM as well as 0.06 and 0.8 μM, respectively), we observed a decreased activity of NADPH oxidase as well as decreased generation of superoxide anion. Our results suggest a suppressive effect of MeP on the tested functions of human neutrophils, which confirms that immune cells are vulnerable to EDC action. Therefore, the disturbance of neutrophils' oxygen-dependent phagocytic function as a result of exposure to environmental doses of MeP action could lead to impairment of innate immune responses in humans exposed to xenoestrogens.
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Affiliation(s)
- Karolina Nowak
- Department of Immunology, Medical University of Bialystok, Waszyngtona 15A, 15-269, Bialystok, Poland.
| | - Ewa Jabłońska
- Department of Immunology, Medical University of Bialystok, Waszyngtona 15A, 15-269, Bialystok, Poland
| | - Piotr Radziwon
- Regional Centre for Transfusion Medicine, Bialystok, Poland
| | - Wioletta Ratajczak-Wrona
- Department of Immunology, Medical University of Bialystok, Waszyngtona 15A, 15-269, Bialystok, Poland
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85
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Molecular dynamics study of the migration of Bisphenol A from polycarbonate into food simulants. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2020.137125] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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86
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Dong YD, Gao L, Wu FJ, Lin R, Meng Y, Jia LH, Wang XF. Abnormal differentiation of regulatory T cells and Th17 cells induced by perinatal bisphenol A exposure in female offspring mice. Mol Cell Toxicol 2020. [DOI: 10.1007/s13273-019-00067-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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87
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Rumph JT, Stephens VR, Archibong AE, Osteen KG, Bruner-Tran KL. Environmental Endocrine Disruptors and Endometriosis. ADVANCES IN ANATOMY, EMBRYOLOGY, AND CELL BIOLOGY 2020; 232:57-78. [PMID: 33278007 DOI: 10.1007/978-3-030-51856-1_4] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
As a consequence of industrialization, thousands of man-made chemicals have been developed with few undergoing rigorous safety assessment prior to commercial use. Ubiquitous exposure to these compounds, many of which act as endocrine-disrupting chemicals (EDCs), has been suggested to be one factor in the increasing incidence of numerous diseases, including endometriosis. Endometriosis, the presence of endometrial glands and stroma outside the uterus, is a common disorder of reproductive-age women. Although a number of population-based studies have suggested that exposure to environmental EDCs may affect a woman's risk of developing this disease, results of epidemiology assessments are often equivocal. The development of endometriosis is, however, a process occurring over time; thus, a single assessment of toxicant body burden cannot definitively be linked to causation of disease. For this reason, numerous investigators have utilized a variety of rodent models to examine the impact of specific EDCs on the development of experimental endometriosis. These studies identified multiple chemicals capable of influencing physiologic processes necessary for the establishment and/or survival of ectopic tissues in rodents, suggesting that these compounds may also be of concern for women. Importantly, these models serve as useful tools to explore strategies that may prevent adverse outcomes following EDC exposure.
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Affiliation(s)
- Jelonia T Rumph
- Department of Microbiology and Immunology, Meharry Medical College, Nashville, TN, USA
| | - Victoria R Stephens
- Women's Reproductive Health Research Center, Department of Obstetrics and Gynecology, Vanderbilt University School of Medicine, Nashville, TN, USA.,Department of Pathology, Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Anthony E Archibong
- Department of Microbiology and Immunology, Meharry Medical College, Nashville, TN, USA
| | - Kevin G Osteen
- Women's Reproductive Health Research Center, Department of Obstetrics and Gynecology, Vanderbilt University School of Medicine, Nashville, TN, USA.,Department of Pathology, Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, TN, USA.,VA Tennessee Valley Healthcare System, Nashville, TN, USA
| | - Kaylon L Bruner-Tran
- Women's Reproductive Health Research Center, Department of Obstetrics and Gynecology, Vanderbilt University School of Medicine, Nashville, TN, USA.
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88
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Gao P, Wang L, Yang N, Wen J, Zhao M, Su G, Zhang J, Weng D. Peroxisome proliferator-activated receptor gamma (PPARγ) activation and metabolism disturbance induced by bisphenol A and its replacement analog bisphenol S using in vitro macrophages and in vivo mouse models. ENVIRONMENT INTERNATIONAL 2020; 134:105328. [PMID: 31778932 DOI: 10.1016/j.envint.2019.105328] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 11/06/2019] [Accepted: 11/12/2019] [Indexed: 06/10/2023]
Abstract
Bisphenol A (BPA) and its replacement analog, bisphenol S (BPS), have been proposed as environmental obesogen to disrupt the lipid metabolism through regulating peroxisome proliferator-activated receptor gamma (PPARγ) receptor. However, there is a dearth of information on whether this biological effect can occur in human macrophage, a cell type which closely interacts with adipocytes and hepatocytes to control lipid metabolism. Here, we for the first time investigate the activity of BPA and BPS on PPARγ pathway in human macrophages. The results demonstrated that BPA and BPS served as activators of PPARγ in human macrophage cell line, and significantly induced the expression of lipid metabolism-related genes, including fatty acid binding protein 4 (FABP4), cluster of differentiation 36 (CD36) and nuclear receptor subfamily 1 group H member 3 (NR1H3). In PPARγ knockout cells, expression of these genes was down-regulated, suggesting that these genes are dependent on PPARγ. The underlying mechanisms were further investigated using an in vivo mouse model, and the results confirmed the induction of PPARγ and its respective target genes in mice following exposure to BPA or BPS. Moreover, the observed alteration of PPARγ expression highly correlated with the disturbance of metabolism profiles in liver tissues as detected by 1H Nuclear Magnetic Resonance (NMR)-based metabonomics. Overall, this study provided the first evidence that BPA and BPS activated PPARγ and its target genes in human macrophages, and provided comprehensive information to confirm that BPA and BPS disturb the metabolism through targeting PPARγ via both in vitro assays and in vivo animal models.
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Affiliation(s)
- Pingshi Gao
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Lei Wang
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Nanfei Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Rheumatology and Immunology, The Affiliated Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, School of Sciences, Nanjing University, Nanjing 210023, China
| | - Jingjing Wen
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Mengshu Zhao
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Guanyong Su
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Jianfa Zhang
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China.
| | - Dan Weng
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China.
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89
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Wang J, She C, Li Z, Tang N, Xu L, Liu Z, Liu B. In vitro impact of bisphenol A on maturation and function of monocyte-derived dendritic cells in patients with primary Sjögren's syndrome. Immunopharmacol Immunotoxicol 2019; 42:28-36. [PMID: 31876196 DOI: 10.1080/08923973.2019.1706554] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Background: Epidemiological studies have shown that environmental factors accelerate the progress of primary Sjögren's syndrome (pSS). Bisphenol A (BPA), a classic endocrine disrupting chemical, affects the immune system. However, the impact of BPA on pSS has not yet been reported. The present study aimed to evaluate the potential relationship between BPA, estrogen receptor (ER), and pSS.Methods: We studied the impact of BPA on monocyte-derived dendritic cells (moDCs) from pSS patients and age-matched healthy controls (HCs). Morphological effects were observed under inverted microscope. Surface markers were analyzed by flow cytometry. ER and cytokine profiles were assessed using real-time polymerase chain reaction. The ability of moDCs to stimulate CD4+ T cells activation was assessed by mixed lymphocyte reaction (MLR).Results: moDCs from both pSS patients and HCs expressed ERα as well as ERβ. After BPA-exposure, expression of ERα increased significantly in pSS patients, while that of ERβ remained unchanged. moDCs from BPA-exposed pSS patients showed irregular morphology and reduction in cell aggregation. BPA increased HLA-DR on moDCs of pSS patients via ERα, and promoted the secretion of IL6 and IL12. When co-cultured with BPA-treated moDCs, cytokines (IFN-γ, IL4, IL17, IL10) and transcription factors (T-bet, Gata3, RoR-γt, Foxp3) of CD4+ T cells showed imbalance of Th1/Th2/Th17/Treg polarization, with Th1 and Th17 dominating.Conclusions: BPA altered the function of moDCs through ERα, including antigen capture, secretion of inflammatory factors, and ability to stimulate T cells, as well as accelerated the progression and further deterioration of pSS.
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Affiliation(s)
- Jing Wang
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Chunhui She
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Zhiyuan Li
- Department of Otolaryngology-Head and Neck Surgery, Key Laboratory, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Ning Tang
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Lishan Xu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Zhaoyang Liu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Bin Liu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
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90
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Kim JJ, Kumar S, Kumar V, Lee YM, Kim YS, Kumar V. Bisphenols as a Legacy Pollutant, and Their Effects on Organ Vulnerability. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 17:E112. [PMID: 31877889 PMCID: PMC6982222 DOI: 10.3390/ijerph17010112] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 12/18/2019] [Accepted: 12/19/2019] [Indexed: 12/21/2022]
Abstract
Bisphenols are widely used in the synthesis of polycarbonate plastics, epoxy resins, and thermal paper, which are used in manufacturing items of daily use. Packaged foods and drinks are the main sources of exposure to bisphenols. These chemicals affect humans and animals by disrupting the estrogen, androgen, progesterone, thyroid, and aryl hydrocarbon receptor functions. Bisphenols exert numerous harmful effects because of their interaction with receptors, reactive oxygen species (ROS) formation, lipid peroxidation, mitochondrial dysfunction, and cell signal alterations. Both cohort and case-control studies have determined an association between bisphenol exposure and increased risk of cardiovascular diseases, neurological disorders, reproductive abnormalities, obesity, and diabetes. Prenatal exposure to bisphenols results in developmental disorders in animals. These chemicals also affect the immune cells and play a significant role in initiating the inflammatory response. Exposure to bisphenols exhibit age, gender, and dose-dependent effects. Even at low concentrations, bisphenols exert toxicity, and hence deserve a critical assessment of their uses. Since bisphenols have a global influence on human health, the need to discover the underlying pathways involved in all disease conditions is essential. Furthermore, it is important to promote the use of alternatives for bisphenols, thereby restricting their uses.
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Affiliation(s)
- Jong-Joo Kim
- Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Korea; (J.-J.K.); (Y.-M.L.); (Y.-S.K.)
| | - Surendra Kumar
- Department of Anatomy, All India Institute of Medical Sciences, New Delhi 110029, India;
| | - Vinay Kumar
- Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh 758307, Vietnam;
| | - Yun-Mi Lee
- Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Korea; (J.-J.K.); (Y.-M.L.); (Y.-S.K.)
| | - You-Sam Kim
- Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Korea; (J.-J.K.); (Y.-M.L.); (Y.-S.K.)
| | - Vijay Kumar
- Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Korea; (J.-J.K.); (Y.-M.L.); (Y.-S.K.)
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91
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Potential Health Risks Linked to Emerging Contaminants in Major Rivers and Treated Waters. WATER 2019. [DOI: 10.3390/w11122615] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The presence of endocrine-disrupting chemicals (EDCs) in our local waterways is becoming an increasing threat to the surrounding population. These compounds and their degradation products (found in pesticides, herbicides, and plastic waste) are known to interfere with a range of biological functions from reproduction to differentiation. To better understand these effects, we used an in silico ontological pathway analysis to identify the genes affected by the most commonly detected EDCs in large river water supplies, which we grouped together based on four common functions: Organismal injuries, cell death, cancer, and behavior. In addition to EDCs, we included the opioid buprenorphine in our study, as this similar ecological threat has become increasingly detected in river water supplies. Through the identification of the pleiotropic biological effects associated with both the acute and chronic exposure to EDCs and opioids in local water supplies, our results highlight a serious health threat worthy of additional investigations with a potential emphasis on the effects linked to increased DNA damage.
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92
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Endocrine Disruptors Induced Distinct Expression of Thyroid and Estrogen Receptors in Rat versus Mouse Primary Cerebellar Cell Cultures. Brain Sci 2019; 9:brainsci9120359. [PMID: 31817561 PMCID: PMC6955918 DOI: 10.3390/brainsci9120359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/01/2019] [Accepted: 12/04/2019] [Indexed: 12/31/2022] Open
Abstract
The endocrine system of animals consists of fine-tuned self-regulating mechanisms that maintain the hormonal and neuronal milieu during tissue development. This complex system can be influenced by endocrine disruptors (ED)—substances that can alter the hormonal regulation even in small concentrations. By now, thousands of substances—either synthesized by the plastic, cosmetic, agricultural, or medical industry or occurring naturally in plants or in polluted groundwater—can act as EDs. Their identification and testing has been a hard-to-solve problem; Recent indications that the ED effects may be species-specific just further complicated the determination of biological ED effects. Here we compare the effects of bisphenol-A, zearalenone, and arsenic (well-known EDs) exerted on mouse and rat neural cell cultures by measuring the differences of the ED-affected neural estrogen- and thyroid receptors. EDs alters the receptor expression in a species-like manner detectable in the magnitude as well as in the nature of biological responses. It is concluded that the interspecies differences (or species specificity) in ED effects should be considered in the future testing of ED effects.
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93
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Sharma S, Ahmad S, Afjal MA, Habib H, Parvez S, Raisuddin S. Dichotomy of bisphenol A-induced expression of peroxisome proliferator-activated receptors in hepatic and testicular tissues in mice. CHEMOSPHERE 2019; 236:124264. [PMID: 31319301 DOI: 10.1016/j.chemosphere.2019.06.234] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 06/23/2019] [Accepted: 06/30/2019] [Indexed: 06/10/2023]
Abstract
Environmental and dietary exposure to bisphenol A (BPA) and its toxicological consequences are extensively reported. BPA has multiple cellular targets. One of the mechanisms of action of BPA involves interaction with and activation of nuclear receptors (NRs) including peroxisome proliferator activated-receptors (PPARs). PPARs regulate genes involved in adipogenesis, and metabolism of glucose, lipid and cholesterol. Study of tissue and dose specific PPAR expression may decipher the toxicity outcome of BPA exposure. We studied expression of three forms of PPARs in mouse liver and testes exposed to BPA for 14 days. mRNA and protein expression of all forms of PPAR increased linearly (monotonic) with the dose in the liver while non-monotonic but dose specific effects were observed in the testes showing a differential pattern of expression. However, histopathological study showed a dose-dependent pattern of changes in liver as well as testes demonstrating a monotonic effect. These findings imply that other PPAR-independent mechanisms may play a role in BPA-induced pathological changes. The present study warrants exploration of the role of PPARs in BPA-induced effects on male reproductive functions and offers an insight into the peculiar response of BPA at low subchronic levels which may be helpful in designing appropriate risk assessment framework.
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Affiliation(s)
- Shikha Sharma
- Molecular Toxicology Laboratory, Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India
| | - Shahzad Ahmad
- Molecular Toxicology Laboratory, Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India
| | - Mohd Amir Afjal
- Molecular Toxicology Laboratory, Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India
| | - Haroon Habib
- Molecular Toxicology Laboratory, Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India
| | - Suhel Parvez
- Molecular Toxicology Laboratory, Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India
| | - Sheikh Raisuddin
- Molecular Toxicology Laboratory, Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India.
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94
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Sun SX, Zhang YN, Lu DL, Wang WL, Limbu SM, Chen LQ, Zhang ML, Du ZY. Concentration-dependent effects of 17β-estradiol and bisphenol A on lipid deposition, inflammation and antioxidant response in male zebrafish (Danio rerio). CHEMOSPHERE 2019; 237:124422. [PMID: 31352104 DOI: 10.1016/j.chemosphere.2019.124422] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 07/18/2019] [Accepted: 07/20/2019] [Indexed: 06/10/2023]
Abstract
Environmental estrogenic compounds are important pollutants, which are widely distributed in natural water bodies. They produce various adverse effects on fish, but their concentration-dependent toxicities in fish metabolism and health are not fully understood. This study investigated the effects of 17β-estradiol (E2) and bisphenol A (BPA) at low and high concentrations on lipid deposition, inflammation and antioxidant response in male zebrafish. We measured fish growth parameters, gonad development, lipid contents and the activities of inflammatory and antioxidant enzymes, as well as their mRNA expressions. All E2 and BPA concentrations used increased body weight, damaged gonad structure and induced feminization in male zebrafish. The exposure of zebrafish to E2 and BPA promoted lipid accumulation by increasing total fat, liver triglycerides and free fatty acid contents, and also upregulated lipogenic genes expression, although they decreased total cholesterol content. Notably, zebrafish exposed to low concentrations of E2 (200 ng/L) and BPA (100 μg/L) had higher lipid synthesis and deposition compared to high concentrations (2000 ng/L and 2000 μg/L, respectively). However, the high concentrations of E2 and BPA increased inflammation and antioxidant response. Furthermore, BPA caused greater damage to fish gonad development and more severe lipid peroxidation compared to E2. Overall, the results suggest that the toxic effects of E2 and BPA on zebrafish are concentration-dependent such that, the relative low concentrations used induced lipid deposition, whereas the high ones caused adverse effects on inflammation and antioxidant response.
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Affiliation(s)
- Sheng-Xiang Sun
- Laboratory of Aquaculture Nutrition and Environmental Health (LANEH), School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Yun-Ni Zhang
- Laboratory of Aquaculture Nutrition and Environmental Health (LANEH), School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Dong-Liang Lu
- Laboratory of Aquaculture Nutrition and Environmental Health (LANEH), School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Wei-Li Wang
- Laboratory of Aquaculture Nutrition and Environmental Health (LANEH), School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Samwel Mchele Limbu
- Laboratory of Aquaculture Nutrition and Environmental Health (LANEH), School of Life Sciences, East China Normal University, Shanghai, 200241, China; Department of Aquatic Sciences and Fisheries Technology, University of Dar as Salaam, Dar es Salaam, Tanzania
| | - Li-Qiao Chen
- Laboratory of Aquaculture Nutrition and Environmental Health (LANEH), School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Mei-Ling Zhang
- Laboratory of Aquaculture Nutrition and Environmental Health (LANEH), School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Zhen-Yu Du
- Laboratory of Aquaculture Nutrition and Environmental Health (LANEH), School of Life Sciences, East China Normal University, Shanghai, 200241, China.
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95
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Yanagisawa R, Koike E, Win-Shwe TT, Takano H. Oral exposure to low dose bisphenol A aggravates allergic airway inflammation in mice. Toxicol Rep 2019; 6:1253-1262. [PMID: 31788436 PMCID: PMC6880024 DOI: 10.1016/j.toxrep.2019.11.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 11/11/2019] [Accepted: 11/13/2019] [Indexed: 01/20/2023] Open
Abstract
Oral exposure to BPA relevant to human exposure aggravated allergic asthma. Low dose BPA with allergen reduced lung mRNA levels of hormone receptors. Low dose BPA with allergen altered lymph node and bone marrow microenvironments.
Bisphenol A (BPA) is widely used in many consumer products and has adverse effects on human health including allergic diseases. We investigated the effects of low dose BPA, comparable to actual human oral exposure, on allergic asthma in mice. C3H/HeJ male mice were fed a chow diet containing BPA (equivalent to 0.09, 0.90, or 9.01 μg/kg/day) and were intratracheally administered ovalbumin (OVA, 1 μg/animal) every two weeks from 5–11 weeks of age. All doses of BPA plus OVA enhanced pulmonary inflammation and airway hyperresponsiveness, and increased lung mRNA levels of Th2 cytokine/chemokine, and serum OVA-specific IgE and IgG1 compared to OVA alone, with greater effects observed in the middle- and high-dose BPA plus OVA groups. Furthermore, high-dose BPA with OVA decreased lung mRNA levels of ERβ and AR compared with OVA. Furthermore, BPA enhanced OVA-restimulated cell proliferation and protein levels of IL-4 and IL-5 in mediastinal lymph node (MLN) cells in OVA-sensitized mice. In bone marrow (BM) cells, middle-dose BPA with OVA increased Gr-1 expression. In conclusion, oral exposure to low-dose BPA at levels equivalent to human exposure can aggravate allergic asthmatic responses through enhancement of Th2-skewed responses, lung hormone receptor downregulation, and MLN and BM microenvironment change.
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Key Words
- AhR, aryl hydrocarbon receptor
- Allergic asthma
- Ar, androgen receptor
- BM, bone marrow
- BPA, bisphenol a
- Bisphenol A
- ER, estrogen receptor
- Endocrine disruptor
- FACS, fluorescence-activated cell-sorting
- GR, glucocorticoid receptor
- Gr-1, granulocyte-differentiation antigen
- Hormone receptor
- Hprt1, hypoxanthine phosphoribosyltransferase 1
- IFN-γ, interferon-gamma
- IL, interleukin
- Ig, immunoglobulin
- Low dose effects
- MCP-1, monocyte chemoattractant protein-1
- MIP-1α, macrophage inflammatory protein 1-alpha
- MLN, mediastinal lymph node
- OVA, ovalbumin
- RANTES, normal T cell expressed and secreted
- SDF-1α, stromal cell derived factor 1 alpha
- Th, T helper
- Th2 response
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Affiliation(s)
- Rie Yanagisawa
- Center for Health and Environmental Risk Research, National Institute for Environmental Studies, Tsukuba, Japan
| | - Eiko Koike
- Center for Health and Environmental Risk Research, National Institute for Environmental Studies, Tsukuba, Japan
| | - Tin-Tin Win-Shwe
- Center for Health and Environmental Risk Research, National Institute for Environmental Studies, Tsukuba, Japan
| | - Hirohisa Takano
- Graduate School of Global Environmental Studies, Kyoto University, Kyoto, Japan
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Zhao C, Tang Z, Xie P, Lin K, Chung ACK, Cai Z. Immunotoxic Potential of Bisphenol F Mediated through Lipid Signaling Pathways on Macrophages. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:11420-11428. [PMID: 31453682 DOI: 10.1021/acs.est.8b07314] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
As a bisphenol A (BPA) alternative, bisphenol F (BPF) has been detected in various products, such as paper products, personal care products, and food. More importantly, the toxicity of BPF remains underexplored. We reported an integrated method to study the immunotoxic potentials and the underlying mechanisms of BPF on cell apoptosis, macrophage polarization, reactive oxygen species generation, expression and secretion of immune-related cytokines, and reprogramming of lipid signaling. More serious to BPA, BPF induced apoptosis in macrophages. The apoptosis was induced by activating both sphingomyelin-ceramide signaling pathway and oxidative stress, which included intrinsic (bax and caspase-9) and extrinsic apoptotic pathways (tumor necrosis factor receptor 1, caspase-8, and caspase-3). BPF exposure also induced the proinflammatory phenotype of the macrophage. This alternation was shown to be closely correlated with the modulation of biosynthesis and degradation of glycerophospholipids. This study demonstrated novel evidence that BPF as a substituent of BPA induced immunotoxic effects at environmentally relevant concentrations. We also showed that the reprogramming of lipidome plays a key role in the regulation of macrophage polarization and the induction of immunotoxicity of the BPA analogue.
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Affiliation(s)
| | - Zhi Tang
- Shenzhen Center for Disease Control and Prevention , Shenzhen 518055 , China
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97
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Deng ZH, Li N, Jiang HL, Lin JM, Zhao RS. Pretreatment techniques and analytical methods for phenolic endocrine disrupting chemicals in food and environmental samples. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.07.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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98
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Mörchen B, Shkura O, Stoll R, Helfrich I. Targeting the "undruggable" RAS - new strategies - new hope? CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2019; 2:813-826. [PMID: 35582595 PMCID: PMC8992515 DOI: 10.20517/cdr.2019.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/25/2019] [Accepted: 06/04/2019] [Indexed: 06/15/2023]
Abstract
K-RAS is the most frequently mutated oncogene in solid tumors, such as pancreatic, colon or lung cancer. The GTPase K-RAS can either be in an active (GTP-loaded) or inactive (GDP-loaded) form. In its active form K-RAS forwards signals from growth factors, cytokines or hormones to the nucleus, regulating essential pathways, such as cell proliferation and differentiation. In turn, activating somatic mutations of this proto-oncogene deregulate the complex interplay between GAP (GTPase-activating) - and GEF (Guanine nucleotide exchange factor) - proteins, driving neoplastic transformation. Due to a rather shallow surface, K-RAS lacks proper binding pockets for small molecules, hindering drug development over the past thirty years. This review summarizes recent progress in the development of low molecular antagonists and further shows insights of a newly described interaction between mutant K-RAS signaling and PD-L1 induced immunosuppression, giving new hope for future treatments of K-RAS mutated cancer.
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Affiliation(s)
- Britta Mörchen
- Skin Cancer Unit of the Dermatology Department, Medical Faculty, University Duisburg-Essen, West German Cancer Center, Essen 45147, Germany
- German Cancer Consortium (DKTK) partner site Düsseldorf/Essen, Essen 45147, Germany
| | - Oleksandr Shkura
- Biomolecular NMR, Faculty of Chemistry and Biochemistry, Ruhr University of Bochum, Bochum D-44780, Germany
| | - Raphael Stoll
- Biomolecular NMR, Faculty of Chemistry and Biochemistry, Ruhr University of Bochum, Bochum D-44780, Germany
- Both authors contribute equally
| | - Iris Helfrich
- Skin Cancer Unit of the Dermatology Department, Medical Faculty, University Duisburg-Essen, West German Cancer Center, Essen 45147, Germany
- German Cancer Consortium (DKTK) partner site Düsseldorf/Essen, Essen 45147, Germany
- Both authors contribute equally
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99
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Csaba G. Aromatic hydrocarbon receptors in the immune system: Review and hypotheses. Acta Microbiol Immunol Hung 2019; 66:273-287. [PMID: 30803253 DOI: 10.1556/030.66.2019.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Ah-receptors (AhRs) recognize and bind foreign environmental molecules as well as some target hormones of other nuclear receptors. As ligands activate transcription factors, they transmit the information on the presence of these molecules by binding to the DNA, which in turn activate xenobiotic metabolism genes. Cross talk with other nuclear receptors or some non-nuclear receptors also activates or inhibits endocrine processes. Immune cells have AhRs by which they are activated for physiological (immunity) or non-physiological (allergy and autoimmunity) processes. They can be imprinted by hormonal or pseudo-hormonal (environmental) factors, which could provoke pathological alterations for life (by faulty perinatal hormonal imprinting). The variety and amount of human-made new environmental molecules (endocrine disruptors) are enormously growing, so the importance of AhR functions is also expanding.
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Affiliation(s)
- György Csaba
- 1 Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
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100
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Makene VW, Pool EJ. The Effects of Endocrine Disrupting Chemicals on Biomarkers of Inflammation Produced by Lipopolysaccharide Stimulated RAW264.7 Macrophages. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16162914. [PMID: 31416231 PMCID: PMC6721122 DOI: 10.3390/ijerph16162914] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 07/25/2019] [Accepted: 07/26/2019] [Indexed: 01/09/2023]
Abstract
Endocrine disrupting chemicals (EDCs) are common pollutants in the environment and can induce disruption of the endocrine and immune systems. The present study evaluated the effects of selected common environmental EDCs on secretion of inflammatory biomarkers by RAW264.7 cells. The EDCs investigated were Estradiol (E2), 5α-dihydrotestosterone (DHT), and Bisphenol A (BPA). To evaluate if the effects caused by EDCs were modulated by steroid hormone receptors, antagonists of estrogen and androgen receptors were used. The steroid receptor antagonists used were Tamoxifen, an estrogen receptor antagonist, and Flutamide, an androgen receptor antagonist. Secretion of biomarkers of inflammation, namely nitric oxide (NO) and interleukin 6 (IL-6), were monitored. The NO was determined using Griess reaction and IL-6 was measured by enzyme linked immunosorbent assay (ELISA). Although 5 μg/mL E2, DHT, and BPA were not toxic to RAW264.7 cell cultures, the same treatments significantly (p < 0.001) reduced both NO and IL-6 secretion by lipopolysaccharide (LPS)-stimulated RAW264.7 cell cultures. The suppression of NO and IL-6 secretion indicate inhibition of inflammation by DHT, E2, and BPA. The inhibitory effects of DHT, E2 and BPA are partially mediated via their cellular receptors, because the effects were reversed by their respective receptor antagonists. Flutamide reversed the effects of DHT, while Tamoxifen reversed the effects of E2 and BPA. In conclusion, E2, BPA, and DHT inhibit the synthesis of inflammation biomarkers by LPS-stimulated RAW264.7 cells. The inhibitory effects of EDCs can be partially reversed by the addition of an estrogen receptor antagonist for E2 and BPA, and an androgenic receptor antagonist for DHT. The inhibition of inflammatory response in stimulated RAW264.7 cells may be a useful bioassay model for monitoring estrogenic and androgenic pollutants.
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Affiliation(s)
- Vedastus W Makene
- Department of Medical Bioscience, University of the Western Cape, Bellville 7535, South Africa.
| | - Edmund J Pool
- Department of Medical Bioscience, University of the Western Cape, Bellville 7535, South Africa
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