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Carrazana R, Espinoza F, Ávila A. Mechanistic perspective on the actions of vitamin a in autism spectrum disorder etiology. Neuroscience 2024; 554:72-82. [PMID: 39002756 DOI: 10.1016/j.neuroscience.2024.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 05/07/2024] [Accepted: 07/08/2024] [Indexed: 07/15/2024]
Abstract
Vitamin A (VA) has many functions in the body, some of which are key for the development and functioning of the nervous system, while some others might indirectly influence neural function. Both hypovitaminosis and hypervitaminosis A can lead to clinical manifestations of concern for individuals and for general global health. Scientific evidence on the link between VA and autism spectrum disorder (ASD) is growing, with some clinical studies and accumulating results obtained from basic research using cellular and animal models. Remarkably, it has been shown that VA deficiency can exacerbate autistic symptomatology. In turn, VA supplementation has been shown to be able to improve autistic symptomatology in selected groups of individuals with ASD. However, it is important to recognize that ASD is a highly heterogeneous condition. Therefore, it is important to clarify how and when VA supplementation can be of benefit for affected individuals. Here we delve into the relationship between VA and ASD, discussing clinical observations and mechanistic insights obtained from research on selected autistic syndromes and laboratory models to advance in defining how the VA signaling pathway can be exploited for treatment of ASD.
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Affiliation(s)
- Ramón Carrazana
- Neurodevelopmental Biology Unit, Biomedical Sciences Research Laboratory, Basic Sciences Department, Faculty of Medicine, Universidad Católica de la Santísima Concepción, Concepción, Chile
| | - Francisca Espinoza
- Neurodevelopmental Biology Unit, Biomedical Sciences Research Laboratory, Basic Sciences Department, Faculty of Medicine, Universidad Católica de la Santísima Concepción, Concepción, Chile
| | - Ariel Ávila
- Neurodevelopmental Biology Unit, Biomedical Sciences Research Laboratory, Basic Sciences Department, Faculty of Medicine, Universidad Católica de la Santísima Concepción, Concepción, Chile.
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Qi T, Jing D, Zhang K, Shi J, Qiu H, Kan C, Han F, Wu C, Sun X. Environmental toxicology of bisphenol A: Mechanistic insights and clinical implications on the neuroendocrine system. Behav Brain Res 2024; 460:114840. [PMID: 38157990 DOI: 10.1016/j.bbr.2023.114840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/20/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
Bisphenol A (BPA) is a widely used environmental estrogen found in a variety of products, including food packaging, canned goods, baby bottle soothers, reusable cups, medical devices, tableware, dental sealants, and other consumer goods. This substance has been found to have detrimental effects on both the environment and human health, particularly on the reproductive, immune, embryonic development, nervous, endocrine, and respiratory systems. This paper aims to provide a comprehensive review of the effects of BPA on the neuroendocrine system, with a primary focus on its impact on the brain, neurons, oligodendrocytes, neural stem cell proliferation, DNA damage, and behavioral development. Additionally, the review explores the clinical implications of BPA, specifically examining its role in the onset and progression of various diseases associated with the neuroendocrine metabolic system. By delving into the mechanistic analysis and clinical implications, this review aims to serve as a valuable resource for studying the impacts of BPA exposure on organisms.
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Affiliation(s)
- Tongbing Qi
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Dongqing Jing
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China; Department of Neurology 1, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Kexin Zhang
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Junfeng Shi
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Hongyan Qiu
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Chengxia Kan
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Fang Han
- Department of Pathology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Chunyan Wu
- Department of Neurology 1, Affiliated Hospital of Weifang Medical University, Weifang, China.
| | - Xiaodong Sun
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China.
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Alizadeh-Fanalou S, Mehdipour S, Rokhsartalb-Azar S, Mohammadi F, Ghorban K, Asri S, Mousavi SH, Karami M. Evaluation of novel biomarkers for early diagnosis of bisphenol A-induced coronary artery disease. Heliyon 2024; 10:e23768. [PMID: 38234885 PMCID: PMC10792579 DOI: 10.1016/j.heliyon.2023.e23768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 12/12/2023] [Accepted: 12/13/2023] [Indexed: 01/19/2024] Open
Abstract
Introduction Bisphenol A (BPA), a ubiquitous synthetic monomer primarily used in the manufacture of polycarbonate plastic and epoxy resins and as a non-polymer additive to other plastics, can leach into the food and water supply and has been linked to cardiovascular disease (CVD). This study aimed to analyze BPA levels in patients with varying numbers of coronary artery stenosis and evaluate the prognostic value of new biomarkers cluster of differentiation 36 (CD36) and heart-type fatty acid-binding protein (H-FABP), compared to troponin I and creatine kinase (CK) MB, for detecting myocardial injury. Method Eighty nine patients undergoing angiography at Urmia Hospital from March 2019 to 2020 were included. Serum levels of BPA, CD36, H-FABP, troponin I, and CK-M were measured. Results When comparing CD36 and H-FABP with troponin I and CK-MB across coronary occlusion classes, receiver operating characteristic curves indicated CD36 and H-FABP had higher accuracy than troponin I and CK-MB for detecting stenosis stages. In patients with occlusion, significant alterations were detected in age, sex, BMI, hypertension, diabetes, dyslipidemia, and smoking. BPA serum concentration significantly increased compared to normal subjects. Conclusions Our study revealed that serum biomarkers were valuable for prognosticating myocardial injury. Among these, CD36 and H-FABP were more accurate. BPA concentration correlated with myocardial necrosis, underlying disease, and occlusion stage, suggesting BPA's harmful effects.
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Affiliation(s)
- Shahin Alizadeh-Fanalou
- Department of Biochemistry, School of Medicine, AJA University of Medical Sciences, Tehran, Iran
- Department of Clinical Biochemistry, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Sara Mehdipour
- Department of Biochemistry, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Shirin Rokhsartalb-Azar
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran
| | - Forogh Mohammadi
- Department of Veterinary, Agriculture Faculty, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran
| | - Khodayar Ghorban
- Department of Medical Immunology, Faculty of Medicine, Aja University of Medical Sciences, Tehran, Iran
| | - Siamak Asri
- Department of Internal Medicine and Clinical Pathology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
| | - Seyyed Hosein Mousavi
- Department of Cardiology, School of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Masoumeh Karami
- Department of Biochemistry, School of Medicine, AJA University of Medical Sciences, Tehran, Iran
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Fu L, Song S, Luo X, Luo Y, Guo C, Liu Y, Luo X, Zeng L, Tan L. Unraveling the contribution of dietary intake to human phthalate internal exposure. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122580. [PMID: 37734633 DOI: 10.1016/j.envpol.2023.122580] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 09/03/2023] [Accepted: 09/16/2023] [Indexed: 09/23/2023]
Abstract
Human exposure to phthalates (PAEs) occurs primarily through diet, but the contribution of dietary exposure to the total internal exposure of PAEs has not been well studied. This work investigated the relationship between dietary exposure and human internal exposure to PAEs. Daily food samples were determined to evaluate the health risk of dietary exposure, and phthalate metabolites (mPAEs) were determined from urine samples of 360 volunteers of Guangzhou to assess their internal exposure. The total mPAEs concentration in the urine samples ranged from 8.43 to 1872 ng/mL, with mono-(2-ethylhexyl) phthalate (MEHP), mono-n-butyl phthalate (MnBP), and mono-isobutyl phthalate (MiBP) being the most predominant mPAEs. The concentration of PAEs in food ranged from n.d-40200 μg/kg, and benzyl butyl phthalate (BBzP), di-n-butyl phthalate (DnBP) and di-(2-ethylhexyl) phthalate (DEHP) were the most prevalent. PAE exposure was significantly associated with age, and children exhibited the highest concentration of mPAEs. Using Monte Carlo simulation to estimate PAE exposure's health risk eliminated uncertainties caused by single-point sampling and provided more reliable statistical results. The hazard quotient (HQ) was used to evaluate PAE exposure health risks. The results showed that 37% of the volunteers had HQ levels higher than 1 based on urinary mPAE concentrations, while 24% of the volunteers had HQ levels greater than 1 because of dietary exposure to PAEs. Dietary intake was the predominant exposure route for PAEs, and accounted for approximately 65% (24% out of 37%) of the cases where HQ levels exceeded 1. The work revealed the correlation between dietary external and internal exposure to PAEs, and further studies are needed to better understand the implications.
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Affiliation(s)
- Lei Fu
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Shaofang Song
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Xinni Luo
- Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, 510370, China
| | - Yangxu Luo
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Chongshan Guo
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Yufei Liu
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Xiaoyan Luo
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Lixi Zeng
- School of Environment, Jinan University, Guangzhou, 511443, China
| | - Lei Tan
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China; School of Public Health, Southern Medical University, Guangzhou, 510515, China.
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Dueñas-Moreno J, Mora A, Kumar M, Meng XZ, Mahlknecht J. Worldwide risk assessment of phthalates and bisphenol A in humans: The need for updating guidelines. ENVIRONMENT INTERNATIONAL 2023; 181:108294. [PMID: 37935082 DOI: 10.1016/j.envint.2023.108294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 10/24/2023] [Accepted: 10/26/2023] [Indexed: 11/09/2023]
Abstract
Phthalates and bisphenol A (BPA) are compounds widely used as raw materials in the production of plastics, making them ubiquitous in our daily lives. This results in widespread human exposure and human health hazards. Although efforts have been conducted to evaluate the risk of these compounds in diverse regions around the world, data scattering may mask important trends that could be useful for updating current guidelines and regulations. This study offers a comprehensive global assessment of human exposure levels to these chemicals, considering dietary and nondietary ingestion, and evaluates the associated risk. Overall, the exposure daily intake (EDI) values of phthalates and BPA reported worldwide ranged from 1.11 × 10-7 to 3 700 µg kg bw-1 d-1 and from 3.00 × 10-5 to 6.56 µg kg bw-1 d-1, respectively. Nevertheless, the dose-additive effect of phthalates has been shown to increase the EDI up to 5 100 µg kg bw-1 d-1, representing a high risk in terms of noncarcinogenic (HQ) and carcinogenic (CR) effects. The worldwide HQ values of phthalates and BPA ranged from 2.25 × 10-7 to 3.66 and from 2.74 × 10-7 to 9.72 × 10-2, respectively. Meanwhile, a significant number of studies exhibit high CR values for benzyl butyl phthalate (BBP) and di(2-ethylhexyl) phthalate (DEHP). Moreover, DEHP has shown the highest maximum mean CR values for humans in numerous studies, up to 179-fold higher than BBP. Despite mounting evidence of the harmful effects of these chemicals at low-dose exposure on animals and humans, most regulations have not been updated. Thus, this article emphasizes the need for updating guidelines and public policies considering compelling evidence for the adverse effects of low-dose exposure, and it cautions against the use of alternative plasticizers as substitutes for phthalates and BPA because of the significant gaps in their safety.
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Affiliation(s)
- Jaime Dueñas-Moreno
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Campus Puebla, Atlixcáyotl 5718, Reserva Territorial Atlixcáyotl, Puebla 72453, Mexico
| | - Abrahan Mora
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Campus Puebla, Atlixcáyotl 5718, Reserva Territorial Atlixcáyotl, Puebla 72453, Mexico
| | - Manish Kumar
- Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand 248007, India; Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64700 Nuevo León, Mexico
| | - Xiang-Zhou Meng
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Jürgen Mahlknecht
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64700 Nuevo León, Mexico.
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Singh D, Khan MA, Akhtar K, Rehman S, Parveen S, Amin KMY, Siddique HR. Protective effects of a polyherbal medicine, Majoon Suranjan against bisphenol-A induced genetic, oxidative and tissue damages. Drug Chem Toxicol 2023; 46:1057-1069. [PMID: 36120934 DOI: 10.1080/01480545.2022.2124519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/30/2022] [Accepted: 09/04/2022] [Indexed: 11/03/2022]
Abstract
Bisphenol-A (BPA) is a toxic chemical largely produced and used in polycarbonate plastics worldwide. Majoon Suranjan (MS), a polyherbal formulation, is used as an anti-inflammatory medicine against rheumatoid arthritis. The present study aimed to evaluate BPA-induced toxicity and its possible amelioration by MS. To test our hypothesis, we performed gas chromatography-mass spectrometry (GC-MS) analysis, DNA interaction studies, genotoxicity tests, oxidative stress parameters, and histopathological examinations. GC-MS profiling of MS revealed the presence of various anti-oxidant compounds. DNA interaction studies showed that both chemicals intercalate between DNA base pairs. Next, we observed BPA-induced genotoxicity and oxidative damage. The observed effects might be due to BPA-induced reactive oxygen species production. Further, BPA changed the anti-oxidant enzyme activities, increased the malondialdehyde, alanine aminotransferase, alkaline phosphatase, and total bilirubin levels, and caused gross damage to the liver and kidney. Interestingly, these effects were significantly reversed by MS. In conclusion, MS shows protective effects against BPA-induced toxicity and could be a potential alternative medicine against BPA toxicity, especially in third-world countries where BPA uses are not strictly regulated.Highlights:Bisphenol-A (BPA) induces multiple toxic effects.BPA induces genotoxicity, oxidative and tissue damage.Majoon Suranjan (MS) ameliorates the BPA induced toxic effects.GC-MS profiling show various active anti-oxidant compounds in MS.MS is anti-genotoxic, anti-oxidant, and hepato-renal protective.
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Affiliation(s)
- Deepti Singh
- Molecular Cancer Genetics & Translational Research Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh, India
| | - Mohammad Afsar Khan
- Molecular Cancer Genetics & Translational Research Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh, India
| | - Kafil Akhtar
- Department of Pathology, JN Medical College, Aligarh Muslim University, Aligarh, India
| | - Sumbul Rehman
- Department of Ilmul Advia, AK Tibbiya College, Aligarh Muslim University, Aligarh, India
| | - Sabiha Parveen
- Department of Chemistry, Aligarh Muslim University, Aligarh, India
| | - K M Yusuf Amin
- Department of Ilmul Advia, AK Tibbiya College, Aligarh Muslim University, Aligarh, India
| | - Hifzur R Siddique
- Molecular Cancer Genetics & Translational Research Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh, India
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Khan NG, Tungekar B, Adiga D, Chakrabarty S, Rai PS, Kabekkodu SP. Alterations induced by Bisphenol A on cellular organelles and potential relevance on human health. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119505. [PMID: 37286138 DOI: 10.1016/j.bbamcr.2023.119505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/29/2023] [Accepted: 05/26/2023] [Indexed: 06/09/2023]
Abstract
Bisphenol A (BPA) is a chemical partially soluble in water and exists in a solid state. Its structural similarity with estrogen makes it an endocrine-disrupting chemical. BPA can disrupt signaling pathways at very low doses and may cause organellar stress. According to in vitro and in vivo studies, BPA interacts with various cell surface receptors to cause organellar stress, producing free radicals, cellular toxicity, structural changes, DNA damage, mitochondrial dysfunction, cytoskeleton remodeling, centriole duplication, and aberrant changes in several cell signaling pathways. The current review summarizes the impact of BPA exposure on the structural and functional aspects of subcellular components of cells such as the nucleus, mitochondria, endoplasmic reticulum, lysosome, ribosome, Golgi apparatus, and microtubules and its consequent impact on human health.
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Affiliation(s)
- Nadeem G Khan
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Bushra Tungekar
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Divya Adiga
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Sanjiban Chakrabarty
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India; Center for DNA Repair and Genome Stability (CDRGS), Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Padmalatha S Rai
- Department of Biotechnology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Shama Prasada Kabekkodu
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India; Center for DNA Repair and Genome Stability (CDRGS), Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
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8
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Tabanli FP, Yalçin SS, Ramoğlu S, Kiykaç Altinbaş Ş, Yirün A, Balci Özyurt A, Güçel F, Erkekoğlu P, Yurdakök K. Association of bisphenol A with 25(OH)D, 1,25(OH) 2D levels and 1,25(OH)2D/25(OH)D ratio in cord blood. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:100391-100402. [PMID: 37626198 DOI: 10.1007/s11356-023-29288-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023]
Abstract
The aim was to investigate the association between bisphenol A (BPA), 25-hydroxy vitamin D [25(OH)D], and 1α,25 dihydroxy vitamin D [1,25(OH)2D] levels in the cord blood of newborn babies. BPA was measured by high pressure liquid chromatography (HPLC) and vitamin D levels by commercial ELISA or ECLIA kits. BPA and Vitamin D levels were grouped according to tertile values. In the cord blood, the median 25(OH)D level was 14.9 ng/mL (IQR: 8.5-20.8) and median 1,25(OH)2D level was 53.3 pg/dL (IQR: 42.3-98.4). 25(OH)D levels were < 20 ng/mL in 76.5% of the babies. BPA was detectable in 72.4% of the cord blood samples; median BPA level was 1.57 ng/mL (IQR: < DL-4.05 ng/mL). Frequencies of vitamin D deficiency and frequencies of cases having the highest tertile active vitamin D levels were similar in groups of BPA tertiles in both univariate and multivariate analysis. In conclusion, both BPA exposure and insufficient vitamin D transfer via cord blood are common in newborns. Bisphenol A levels were not correlated with vitamin D levels in cord blood of healthy mother-fetus pairs.
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Affiliation(s)
- Fatma Pınar Tabanli
- Department of Pediatrics, Etlik Zübeyde Hanım Women's Health Teaching and Research Hospital, Ankara, Turkey
- Department of Social Pediatrics, Institute of Child Health, Hacettepe University, Ankara, Turkey
| | - Sıddika Songül Yalçin
- Department of Social Pediatrics, Institute of Child Health, Hacettepe University, Ankara, Turkey.
- Department of Pediatrics, Social Pediatrics Unit, Hacettepe University Faculty of Medicine, Ankara, Turkey.
| | - Sedef Ramoğlu
- Department of Gynecology and Obstetrics, Guven Hospital, Ankara, Turkey
| | | | - Anıl Yirün
- Department of Pharmaceutical Toxicology, Hacettepe University Faculty of Pharmacy, Ankara, Turkey
- Department of Pharmaceutical Toxicology, Çukurova University Faculty of Pharmacy, Adana, Turkey
| | - Aylin Balci Özyurt
- Department of Pharmaceutical Toxicology, Bahçeşehir University School of Pharmacy, Istanbul, Turkey
| | - Funda Güçel
- Department of Biochemistry, Etlik Zübeyde Hanım Women's Health Teaching and Research Hospital, Ankara, Turkey
| | - Pınar Erkekoğlu
- Department of Pharmaceutical Toxicology, Hacettepe University Faculty of Pharmacy, Ankara, Turkey
| | - Kadriye Yurdakök
- Department of Social Pediatrics, Institute of Child Health, Hacettepe University, Ankara, Turkey
- Department of Pediatrics, Social Pediatrics Unit, Hacettepe University Faculty of Medicine, Ankara, Turkey
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9
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Hahladakis JN, Iacovidou E, Gerassimidou S. An overview of the occurrence, fate, and human risks of the bisphenol-A present in plastic materials, components, and products. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2023; 19:45-62. [PMID: 35362236 DOI: 10.1002/ieam.4611] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 02/11/2022] [Accepted: 03/28/2022] [Indexed: 06/14/2023]
Abstract
With over 95% of bisphenol-A (BPA) used in the production of polycarbonate (PC) and epoxy resins, termed here as BPA-based plastic materials, components, and products (MCPs), an investigation of human exposure to BPA over the whole lifecycle of BPA-based plastic MCPs is necessary. This mini-review unpacks the implications arising from the long-term human exposure to BPA and its potential accumulation across the lifecycle of BPA-based plastics (production, use, and management). This investigation is timely and necessary in promoting a sustainable circular economy model. Restrictions of BPA in the form of bans and safety standards are often specific to products, while safety limits rely on traditional toxicological and biomonitoring methods that may underestimate human health implications and therefore the "safety" of BPA exposure. Controversies in regards to the: (a) dose-response curves; (b) the complexity of sources, release mechanisms, and pathways of exposure; and/or (c) the quality and reliability of toxicological studies, appear to currently stifle progress toward the regulation of BPA-based plastic MCPs. Due to the abundance of BPA in our MCPs production, consumption, and management systems, there is partial and inadequate evidence on the contribution of BPA-based plastic MCPs to human exposure to BPA. Yet, the production, use, and end-of-life management of plastic MCPs constitute the most critical BPA source and potential exposure pathways that require further investigation. Active collaboration among risk assessors, government, policy-makers, and researchers is needed to explore the impacts of BPA in the long term and introduce restrictions to BPA-based MCPs. Integr Environ Assess Manag 2023;19:45-62. © 2022 SETAC.
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Affiliation(s)
- John N Hahladakis
- Waste Management (FEWS) Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha, Qatar
| | - Eleni Iacovidou
- Sustainable Plastics Research Group (SPlasH), Brunel University London, London, UK
- Division of Environmental Sciences, College of Health, Medicine and Life Sciences, Brunel University London, London, UK
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10
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Dubeau C, Aker A, Caron-Beaudoin É, Ayotte P, Blanchette C, McHugh NGL, Lemire M. Perfluoroalkyl acid and bisphenol-A exposure via food sources in four First Nation communities in Quebec, Canada. Public Health Nutr 2023; 26:106-121. [PMID: 35272726 PMCID: PMC11077462 DOI: 10.1017/s1368980022000581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 02/07/2022] [Accepted: 03/09/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To document perfluoroalkyl acids (PFAA) and bisphenol-A (BPA) exposure in four First Nation communities in northern Quebec compared with the Canadian Health Measures Survey (CHMS Cycle 5 2016-2017) and examine the associations between dietary consumption and chemical exposure. DESIGN We used cross-sectional data from the JES-YEH! project conducted in collaboration with four First Nation communities in 2015. A FFQ collected information on diet, and PFAA and BPA were measured in biological samples. We used generalised linear models to test the associations between food intake and chemical biomarkers. SETTING Northern Quebec. PARTICIPANTS Youth aged 3-19 years (n 198). RESULTS Mean perfluorononanoic acid (PFNA) levels were significantly higher in JES-YEH! than CHMS, and BPA levels were higher among those aged 12-19 years compared with CHMS. Dairy products were associated with PFNA among Anishinabe and Innu participants (geometric mean ratio 95 % CI: 1·53 (95 % CI 1·03, 2·29) and 1·52 (95 % CI 1·05, 2·20), respectively). PFNA was also associated with ultra-processed foods (1·57 (95 % CI 1·07, 2·31)) among Anishinabe, and with wild fish and berries (1·44 (95 % CI 1·07, 1·94); 1·75 (95 % CI 1·30, 2·36)) among Innu. BPA was associated with cheese (1·72 (95 % CI 1·19, 2·50)) and milk (1·53 (95 % CI 1·02, 2·29)) among Anishinabe, and with desserts (1·71 (95 % CI 1·07, 2·74)), processed meats (1·55 (95 % CI 1·00, 2·38)), wild fish (1·64 (95 % CI 1·07, 2·49)) and wild berries (2·06 (95 % CI 1·37, 3·10)) among Innu. CONCLUSIONS These results highlight the importance of better documenting food-processing and packaging methods, particularly for dairy products, and their contribution to endocrine disruptors exposures as well as to promote minimally processed and unpackaged foods to provide healthier food environments for youth in Indigenous communities and beyond.
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Affiliation(s)
- Claudelle Dubeau
- Département de Médecine Sociale et Préventive, Institut de
Biologie Intégrative et des Systèms, Université Laval,
Québec, QC, Canada
| | - Amira Aker
- Département de Médecine Sociale et Préventive, Institut de
Biologie Intégrative et des Systèms, Université Laval,
Québec, QC, Canada
- Axe Santé Des Populations et Pratiques Optimales en Santé, Centre
de Recherche du CHU de Québec, Université Laval, 1050 Ch Ste-Foy,
Québec, QCG1S 4L8, Canada
| | - Élyse Caron-Beaudoin
- Department of Health and Society, University of
Toronto Scarborough, Toronto, ON,
Canada
- Centre for Clinical Epidemiology and Evaluation,
University of British Columbia, Vancouver Coastal Health
Research Institute, Research Pavilion, Vancouver, BC,
Canada
| | - Pierre Ayotte
- Axe Santé Des Populations et Pratiques Optimales en Santé, Centre
de Recherche du CHU de Québec, Université Laval, 1050 Ch Ste-Foy,
Québec, QCG1S 4L8, Canada
- Institut National de Santé Publique du
Québec, Quebec, Canada
| | - Caty Blanchette
- Axe Santé Des Populations et Pratiques Optimales en Santé, Centre
de Recherche du CHU de Québec, Université Laval, 1050 Ch Ste-Foy,
Québec, QCG1S 4L8, Canada
| | - Nancy Gros-Louis McHugh
- Commission de Santé et de Services Sociaux Des
Premières Nations Québec Labrador, Wendake, QC,
Canada
| | - Mélanie Lemire
- Département de Médecine Sociale et Préventive, Institut de
Biologie Intégrative et des Systèms, Université Laval,
Québec, QC, Canada
- Axe Santé Des Populations et Pratiques Optimales en Santé, Centre
de Recherche du CHU de Québec, Université Laval, 1050 Ch Ste-Foy,
Québec, QCG1S 4L8, Canada
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11
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Stavridis K, Triantafyllidou O, Pisimisi M, Vlahos N. Bisphenol-A and Female Fertility: An Update of Existing Epidemiological Studies. J Clin Med 2022; 11:jcm11237227. [PMID: 36498800 PMCID: PMC9736436 DOI: 10.3390/jcm11237227] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 11/06/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Humans interfere with a variety of endocrine disruptors on a daily basis, which may result in adverse health effects. Among them, Bisphenol-A (BPA) is the most debated endocrine disruptor, despite being widely studied, regarding its effects on fertility. The aim of this review was to investigate the interrelation of BPA and female fertility. PubMed (Medline) was searched from 2013 until 2022 to identify epidemiological studies that report the association of BPA with fertility parameters, in vitro fertilization (IVF) outcomes, polycystic ovarian syndrome (PCOS) and endometriosis. Regarding general fertility, most studies report an inverse association between BPA and ovarian reserve markers, namely antral follicle count (AFC) and anti-Müllerian hormone (AMH). The BPA and estradiol (E2) levels did not correlate significantly in the majority of studies. No definite conclusions can be reached regarding BPA and IVF endpoints or endometriosis. Lastly, most studies report higher prevalence of PCOS in women with higher BPA concentrations, although no casualty has been proven. Although most studies fail to reach definite conclusion regarding the impact of BPA on fertility, there is accumulating evidence suggesting a negative role of BPA in female reproductive health.
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Affiliation(s)
- Konstantinos Stavridis
- 2nd Department of Obstetrics and Gynaecology, Aretaieion Hospital, University of Athens, 11527 Attica, Greece
- Correspondence: ; Tel.: +30-6981919457
| | - Olga Triantafyllidou
- 2nd Department of Obstetrics and Gynaecology, Aretaieion Hospital, University of Athens, 11527 Attica, Greece
| | - Maria Pisimisi
- School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Nikolaos Vlahos
- 2nd Department of Obstetrics and Gynaecology, Aretaieion Hospital, University of Athens, 11527 Attica, Greece
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12
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Deepika D, Sharma RP, Schuhmacher M, Sakhi AK, Thomsen C, Chatzi L, Vafeiadi M, Quentin J, Slama R, Grazuleviciene R, Andrušaitytė S, Waiblinger D, Wright J, Yang TC, Urquiza J, Vrijheid M, Casas M, Domingo JL, Kumar V. Unravelling sex-specific BPA toxicokinetics in children using a pediatric PBPK model. ENVIRONMENTAL RESEARCH 2022; 215:114074. [PMID: 35995217 DOI: 10.1016/j.envres.2022.114074] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Bisphenol A (BPA) is a widely known endocrine disruptor (ED) found in many children's products such as toys, feeding utensils, and teething rings. Recent epidemiology association studies have shown postnatal BPA exposure resulted in developing various diseases such as diabetes, obesity, and neurodegeneration, etc., later in their lives. However, little is known about its sex-specific metabolism and consequently internal exposure. The aim of this study was to develop a sex-specific pediatric physiologically based pharmacokinetic model (PBPK) for BPA to compare their toxicokinetic differences. First, the published adult PBPK model was re-validated, and then this model was extended by interpolation to incorporate pediatric sex specific physiological and biochemical parameters. We used both the classical body weight and ontogeny-based scaling approach to interpolate the metabolic process. Then, the pharmacokinetic attributes of the models using the two-scaling approach mentioned above were compared with adult model. Further, a sex-specific PBPK model with an ontogeny scaling approach was preferred to evaluate the pharmacokinetic differences. Moreover, this model was used to reconstruct the BPA exposure from two cohorts (Helix and PBAT Cohort) from 7 EU countries. The half-life of BPA was found to be almost the same in boys and girls at the same exposure levels. Our model estimated BPA children's exposure to be about 1500 times higher than the tolerable daily intake (TDI) recently set by European Food Safety Authority (EFSA) i.e., 0.04 ng/kg BW/day. The model demonstrated feasibility of extending the adult PBPK to sex-specific pediatric, thus investigate a gender-specific health risk assessment.
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Affiliation(s)
- Deepika Deepika
- Environmental Engineering Laboratory, Departament D' Enginyeria Quimica, Universitat Rovira I Virgili, Av. Països Catalans 26, 43007, Tarragona, Catalonia, Spain
| | - Raju Prasad Sharma
- Environmental Engineering Laboratory, Departament D' Enginyeria Quimica, Universitat Rovira I Virgili, Av. Països Catalans 26, 43007, Tarragona, Catalonia, Spain
| | - Marta Schuhmacher
- Environmental Engineering Laboratory, Departament D' Enginyeria Quimica, Universitat Rovira I Virgili, Av. Països Catalans 26, 43007, Tarragona, Catalonia, Spain
| | | | | | - Leda Chatzi
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece
| | - Marina Vafeiadi
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece
| | - Joane Quentin
- Team of Environmental Epidemiology, IAB, Institute for Advanced Biosciences, Inserm, CNRS, CHU-Grenoble-Alpes, University Grenoble-Alpes, CNRS, Grenoble, France
| | - Remy Slama
- Team of Environmental Epidemiology, IAB, Institute for Advanced Biosciences, Inserm, CNRS, CHU-Grenoble-Alpes, University Grenoble-Alpes, CNRS, Grenoble, France
| | | | - Sandra Andrušaitytė
- Department of Environmental Sciences, Vytautas Magnus University, Kaunas, Lithuania
| | - Dagmar Waiblinger
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - John Wright
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Tiffany C Yang
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Jose Urquiza
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Martine Vrijheid
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Maribel Casas
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - José L Domingo
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira I Virgili, Reus, Spain
| | - Vikas Kumar
- Environmental Engineering Laboratory, Departament D' Enginyeria Quimica, Universitat Rovira I Virgili, Av. Països Catalans 26, 43007, Tarragona, Catalonia, Spain; IISPV, Hospital Universitari Sant Joan de Reus, Universitat Rovira I Virgili, Reus, Spain.
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13
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Lee YJ, Lim YH, Shin CH, Kim BN, Kim JI, Hong YC, Cho YM, Lee YA. Relationship between bisphenol A, bisphenol S, and bisphenol F and serum uric acid concentrations among school-aged children. PLoS One 2022; 17:e0268503. [PMID: 35709251 PMCID: PMC9202957 DOI: 10.1371/journal.pone.0268503] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 05/03/2022] [Indexed: 12/02/2022] Open
Abstract
Background Hyperuricemia has a suspected relationship with hypertension, metabolic syndrome, kidney disease, and cardiovascular disease. Endocrine disruptors may affect uric acid metabolism; however, few epidemiologic studies have been performed in children regarding newly developed bisphenol A (BPA) substitutes. We evaluated the associations between BPA, bisphenol S (BPS), and bisphenol F (BPF) exposure and serum uric acid concentrations in 6-year-old Korean children. Methods From the Environment and Development of Children cohort study, six-year-old children (N = 489; 251 boys) who underwent an examination during 2015–2017 were included. Anthropometry, questionnaires, and biological samples were evaluated. BPA, BPS, and BPF levels were measured from spot urine samples, and log-transformed or categorized into groups for analysis. We constructed linear regression models adjusting for age, sex, urinary creatinine levels, body mass index z-scores, and estimated glomerular filtration rates. Results Mean serum uric level was 4.2 mg dL-1 (0.8 SD) without sex-differences. Among the three bisphenols, higher BPS exposure was associated with increased serum uric acid concentrations (P-value for trend = 0.002). When BPS levels were categorized into three groups (non-detection < 0.02 μg L-1 vs. medium BPS; 0.02–0.05 μg L-1 vs. high BPS ≥ 0.05 μg L-1), the high BPS group showed higher serum uric acid concentrations (by 0.26 mg dL-1, P = 0.003) than the non-detection group after adjusting for covariates, which was significant in boys but not girls. Discussions Urinary BPS levels was positively associated with serum uric acid concentrations in 6-year-old children, and the association was more pronounced in boys. Considering the increasing use of BPS and concerning effect of hyperuricemia on health outcomes, their positive relationship should be investigated further.
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Affiliation(s)
- Yun Jeong Lee
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul, Republic of Korea
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Youn-Hee Lim
- Section of Environmental Health, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
- Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Republic of Korea
- Environmental Health Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Choong Ho Shin
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul, Republic of Korea
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Bung-Nyun Kim
- Division of Children and Adolescent Psychiatry, Department of Psychiatry, Seoul National University Hospital, Seoul, Republic of Korea
| | - Johanna Inhyang Kim
- Department of Psychiatry, Hanyang University Medical Center, Seoul, Republic of Korea
| | - Yun-Chul Hong
- Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Republic of Korea
- Environmental Health Center, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yong Min Cho
- Department of Nano Chemical and Biological Engineering, SeoKyeong University, Seoul, Republic of Korea
| | - Young Ah Lee
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul, Republic of Korea
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Republic of Korea
- * E-mail:
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14
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Potential Pro-Tumorigenic Effect of Bisphenol A in Breast Cancer via Altering the Tumor Microenvironment. Cancers (Basel) 2022; 14:cancers14123021. [PMID: 35740686 PMCID: PMC9221131 DOI: 10.3390/cancers14123021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/14/2022] [Accepted: 06/16/2022] [Indexed: 02/05/2023] Open
Abstract
Simple Summary Bisphenol A (BPA) is primarily used to produce polycarbonate plastics, such as water bottles. Exposure to BPA has been shown to increase the growth of breast cancer cells that depend on estrogen for growth due to its ability to mimic estrogen. More recent studies have suggested that BPA also affects the cellular and non-cellular components that compose tumor microenvironments (TMEs), namely the environment around a tumor, thereby potentially promoting breast cancer growth via altering the TME. The TME plays an essential role in cancer development and promotion. Therefore, it is crucial to understand the effect of BPA on breast TMEs to assess its role in the risk of breast cancer adequately. This review examines the potential effects of BPA on immune cells, fibroblasts, extracellular matrices, and adipocytes to highlight their roles in mediating the carcinogenic effect of BPA, and thereby proposes considerations for the risk assessment of BPA exposure. Abstract BPA, a chemical used in the preparation of polycarbonate plastics, is an endocrine disruptor. Exposure to BPA has been suggested to be a risk factor for breast cancer because of its potential to induce estrogen receptor signaling in breast cancer cells. More recently, it has been recognized that BPA also binds to the G protein-coupled estrogen receptor and other nuclear receptors, in addition to estrogen receptors, and acts on immune cells, adipocytes, and fibroblasts, potentially modulating the TME. The TME significantly impacts the behavior of cancer cells. Therefore, understanding how BPA affects stromal components in breast cancer is imperative to adequately assess the association between exposure to BPA and the risk of breast cancer. This review examines the effects of BPA on stromal components of tumors to highlight their potential role in the carcinogenic effect of BPA. As a result, I propose considerations for the risk assessment of BPA exposure and studies needed to improve understanding of the TME-mediated, breast cancer-promoting effect of BPA.
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15
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Wang Y, Cao Z, Zhao H, Gu Z. Bisphenol A attenuates the therapeutic effect of the selective G protein-coupled estrogen receptor agonist G-1 on allergic rhinitis inflammation in mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 238:113607. [PMID: 35533451 DOI: 10.1016/j.ecoenv.2022.113607] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Bisphenol A (BPA) is found in many plastics widely used in everyday life and affects the immune system. Previous studies found that the selective G protein coupled estrogen receptor (GPER) agonist G-1 can reduce the inflammation associated with asthma and allergic rhinitis (AR). BPA also interferes with the protective effect of estradiol against myocardial ischemia-reperfusion injury. OBJECTIVE We explored whether BPA attenuates the effect of G-1 on inflammation in a mouse AR model. METHODS The AR model was established by sensitizing and stimulating female BALB/c mice with ovalbumin (OVA) and G-1/BPA. Eosinophils, neutrophils, and lymphocyte subsets (including T and B cells) in nasal mucosa and Th2 and Treg cells in the spleen were detected by flow cytometry. Cytokines and transcription factors characteristic of Th2 and Treg cells in nasal mucosa were detected using cytometric bead arrays and quantitative PCR, respectively. RESULTS G-1 reduced OVA-induced nasal mucosal inflammation in mice. The proportions of eosinophils, neutrophils, Siglec-F+ neutrophils, lymphocytes, and T cell subsets were reduced by G-1, and this effect was attenuated by BPA. G-1 significantly decreased the Th2 population and levels of IL-4, IL-5, IL-13 and GATA-3; these effects were attenuated by BPA. The enhanced Treg response (as evidenced by an increased Treg population and higher IL-10 and Foxp3 levels) mediated by G-1 tended to be reduced by BPA. DISCUSSION We found that G-1 reduced OVA-induced nasal mucosal inflammation and significantly decreased the Th2 response, while increasing the Treg response. These effects were attenuated by BPA.
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Affiliation(s)
- Yunxiu Wang
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang City 110004, Liaoning Province, China
| | - Zhiwei Cao
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang City 110004, Liaoning Province, China
| | - He Zhao
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang City 110004, Liaoning Province, China
| | - Zhaowei Gu
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang City 110004, Liaoning Province, China.
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16
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Cardenas-Iniguez C, Burnor E, Herting MM. Neurotoxicants, the developing brain, and mental health. BIOLOGICAL PSYCHIATRY GLOBAL OPEN SCIENCE 2022; 2:223-232. [PMID: 35911498 PMCID: PMC9337627 DOI: 10.1016/j.bpsgos.2022.05.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
While life in urban environments may confer a number of benefits, it may also result in a variety of exposures, with toxic consequences for neurodevelopment and neuropsychological health. Neurotoxicants are any of a large number of chemicals or substances that interfere with normal function and/or compromise adaptation in the central and/or peripheral nervous system. Evidence suggests that neurotoxicant effects have a greater effect when occurring in utero and during early childhood. Recent findings exploring neural-level mechanisms provide a crucial opportunity to explore the ways in which environmental conditions may get “under the skin” to impact a number of psychological behaviors and cognitive processes, ultimately allowing for greater synergy between macro- and microlevel efforts to improve mental health in the presence of neurotoxicant exposures. In this review, we provide an overview of 3 types of neurotoxicants related to the built environment and relevant to brain development during childhood and adolescence: lead exposure, outdoor particulate matter pollution, and endocrine-disrupting chemicals. We also discuss mechanisms through which these neurotoxicants affect central nervous system function, including recent evidence from neuroimaging literature. Furthermore, we discuss neurotoxicants and mental health during development in the context of social determinants and how differences in the spatial distribution of neurotoxicant exposures result in health disparities that disproportionately affect low-income and minority populations. Multifaceted approaches incorporating social systems and their effect on neurotoxicant exposures and downstream mental health will be key to reduce societal costs and improve quality of life for children, adolescents, and adults.
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Affiliation(s)
- Carlos Cardenas-Iniguez
- Department of Population and Public Health Sciences, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Address correspondence to Carlos Cardenas-Iniguez, Ph.D.
| | - Elisabeth Burnor
- Department of Population and Public Health Sciences, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Megan M. Herting
- Department of Population and Public Health Sciences, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Department of Pediatrics, Children’s Hospital Los Angeles, Los Angeles, California
- Megan M. Herting, Ph.D.
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17
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Jain R, Jain A, Jain S, Thakur SS, Jain SK. Linking bisphenol potential with deleterious effect on immune system: a review. THE NUCLEUS 2022. [DOI: 10.1007/s13237-022-00383-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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18
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Çiftçi S, Yalçın SS, Samur G. Comparison of daily bisphenol A intake based on dietary and urinary levels in breastfeeding women. Reprod Toxicol 2021; 106:9-17. [PMID: 34563571 DOI: 10.1016/j.reprotox.2021.09.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 09/08/2021] [Accepted: 09/16/2021] [Indexed: 10/20/2022]
Abstract
Bisphenol A (BPA) is an artificial chemical, and one of the significant external routes of daily BPA exposure is diet. Dietary BPA exposure can be calculated by urinary BPA concentration and dietary recall data. This cross-sectional study investigates exclusively breastfeeding women's BPA exposure by urinary total BPA concentration and nutritional records, including the 24 h Dietary Recall (HDR) and Food Frequency Questionnaire (FFQ). In this study, we included exclusively breastfeeding, healthy women volunteers (n = 80; 18-40 years), collected spot-morning urine samples and conducted a comprehensive face-to-face survey. Moreover, the women's urine BPA concentration was adjusted according to their urine creatinine concentrations. We assessed dietary BPA intake with the 24HDR and FFQ. Estimated daily BPA exposure according to urinary output volume and urinary creatinine concentration median values were 0.0507 and 0.06 μg/kg bw/day, respectively. Moreover, dietary BPA daily intake was found to be 0.17 and 0.95 μg/kg bw/day according to 24HDR data and FFQ data. The milk and dairy product group's and soft drinks group's contributions to the daily intake of BPA were 55.9 % and 25.92 %, respectively. The hazard ratio for BPA exposure was within limits according to references, including US EPA, Health Canada, and EFSA. This study indicates that BPA exposure, based on both total urinary BPA concentration and dietary recall data, was within the recommended daily intake level (4 μg/kg bw/day). However, further studies are required to understand the influence of seasonal, multicentre, and socioeconomic differences on BPA exposure.
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Affiliation(s)
- Seda Çiftçi
- İzmir Democracy University, Faculty of Health Sciences, Department of Nutrition and Dietetics, Mehmet Ali Akman Street, 13/2, 35290, Konak, İzmir, Turkey.
| | - Sıddıka Songül Yalçın
- Hacettepe University, Faculty of Medicine, Department of Pediatrics, Ankara, Turkey.
| | - Gülhan Samur
- Hacettepe University, Faculty of Health Sciences, Department of Nutrition and Dietetics, Ankara, Turkey.
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19
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Ougier E, Zeman F, Antignac JP, Rousselle C, Lange R, Kolossa-Gehring M, Apel P. Human biomonitoring initiative (HBM4EU): Human biomonitoring guidance values (HBM-GVs) derived for bisphenol A. ENVIRONMENT INTERNATIONAL 2021; 154:106563. [PMID: 33894553 DOI: 10.1016/j.envint.2021.106563] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 04/05/2021] [Accepted: 04/07/2021] [Indexed: 06/12/2023]
Abstract
The "European Human Biomonitoring Initiative" (HBM4EU) derives human biomonitoring guidance values (HBM-GVs) for the general population (HBM-GVGenPop) and/or for occupationally exposed adults (HBM-GVWorker) for several priority substances and substance groups as identified by policy makers, scientists and stakeholders at EU and national level, including bisphenol A (BPA). Human exposure to BPA is widespread and of particular concern because of its known endocrine-disrupting properties. Unlike the conjugated forms of BPA circulating in the body, free BPA is known to interact with the nuclear estrogen receptors. Because free BPA is considered to be more toxicologically active than the conjugated forms (e.g. BPA-glucuronide (BPA-G) and BPA-sulfate (BPA-S)), its measurement in blood provides the superior surrogate of the biologically effective dose. However, considering the difficulty of implementing blood sampling in large HBM cohorts, as well as the current analytical capacities complying with the quality assurance (QA)/quality control (QC) schemes, total BPA in urine (i.e. the sum of free and conjugated forms of BPA measured after an hydrolysis of phase II metabolites) was retained as the relevant exposure biomarker for BPA. HBM-GVGenPop for total BPA in urine of 230 µg/L and 135 µg/L for adults and children, respectively, were developed on the basis of toxicological data. To derive these values, the concentrations of urinary total BPA consistent with a steady-state exposure to the temporary Tolerable Daily Intake (t-TDI) of 4 µg/kg bw/day set in 2015 by the European Food Safety Authority (EFSA) were estimated. The BPA human physiologically-based pharmacokinetic (PBPK) model developed by Karrer et al. (2018) was used, assuming an oral exposure to BPA at the t-TDI level averaged over 24 h. Dermal uptake of BPA is suspected to contribute substantially to the total BPA body burden, which in comparison with the oral route, is generating a higher ratio of free BPA to total BPA in blood. Therefore, an alternative approach for calculating the HBM-GVGenPop according to the estimated relative contributions of both the oral and dermal routes to the global BPA exposure is also discussed. Regarding BPA exposure at the workplace, the steady-state concentration of urinary total BPA was estimated after a dermal uptake of BPA that would generate the same concentration of free BPA in plasma (considered as the bioactive form) as would a 24 h-averaged intake to the European Chemicals Agency (ECHA)'s oral DNEL of 8 µg BPA/kg bw/day set for workers. The predicted concentration of urinary total BPA at steady-state is equivalent to, or exceeds the 95th percentile of total BPA in urine measured in different European HBM studies conducted in the general population. Thus, no HBM-GVWorker was proposed, as the high background level of BPA coming from environmental exposure - mostly through food intake - is making the discrimination with the occupational exposure to BPA difficult.
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Affiliation(s)
- Eva Ougier
- French Agency for Food, Environmental and Occupational Health & Safety (Anses), 14 rue Pierre et Marie Curie, 94701 Maisons-Alfort Cedex, France.
| | - Florence Zeman
- French National Institute for Industrial Environment and Risks (INERIS), Parc ALATA BP2, 60550 Verneuil en Halatte, France
| | | | - Christophe Rousselle
- French Agency for Food, Environmental and Occupational Health & Safety (Anses), 14 rue Pierre et Marie Curie, 94701 Maisons-Alfort Cedex, France
| | - Rosa Lange
- German Environment Agency (UBA), Corrensplatz 1, 14195 Berlin, Germany
| | | | - Petra Apel
- German Environment Agency (UBA), Corrensplatz 1, 14195 Berlin, Germany
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Tschersich C, Murawski A, Schwedler G, Rucic E, Moos RK, Kasper-Sonnenberg M, Koch HM, Brüning T, Kolossa-Gehring M. Bisphenol A and six other environmental phenols in urine of children and adolescents in Germany - human biomonitoring results of the German Environmental Survey 2014-2017 (GerES V). THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 763:144615. [PMID: 33383503 DOI: 10.1016/j.scitotenv.2020.144615] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/11/2020] [Accepted: 12/17/2020] [Indexed: 05/21/2023]
Abstract
Exposure to environmental phenols such as bisphenol A, benzophenones, 2-phenylphenol, triclosan, and triclocarban is of concern, because of their endocrine disrupting properties and broad application in consumer products. The current body burden of the 3-17-year-old population in Germany to these substances was assessed in first-morning void urine samples (N = 515-516) collected within the population-representative German Environmental Survey for Children and Adolescents 2014-2017 (GerES V). Bisphenol A was the most prominent phenol analysed here, ubiquitously found in almost all samples with a geometric mean (GM) concentration of 1.905 μg/L (1.669 μg/gcreatinine) and a maximum (MAX) urinary concentration of 399 μg/L. Benzophenone-3 and benzophenone-1 were quantified in 35% and 41% of the samples. GM was below the limit of quantification (LOQ) for benzophenone-3 and 0.559 μg/L (0.489 μg/gcrea) for benzophenone-1, MAX concentrations were 845 μg/L and 202 μg/L, respectively. In 16% of the samples triclosan was found in quantifiable amounts resulting in a GM below LOQ and a MAX concentration of 801 μg/L. Benzophenone-8, 2-phenylphenol and triclocarban were quantified in none or only 1% of the samples. Benzophenone-1 and -3 concentrations were found to be associated with frequent application of personal care products. A comparison with the previous cycle of the survey, GerES IV (2003-2006), showed a decrease of urinary bisphenol A concentrations, mainly in young children. Despite this decrease, the concentration of bisphenol A exceeded the human biomonitoring (HBM) value HBM-I of 0.1 mg/L in 0.11% of the samples. For triclosan, all urinary concentrations were well below the HBM-I value of 2 mg/L. To minimise environmental health risks, it is therefore necessary to maintain a further declining trend for bisphenol A and continue monitoring the exposure to environmental phenols, as well as to monitor substitutes such as bisphenol F and S.
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Affiliation(s)
| | | | | | - Enrico Rucic
- German Environment Agency (UBA), Berlin, Germany
| | - Rebecca K Moos
- IPA - Institute for Prevention and Occupational Medicine of the German Social Accident Insurance at the Ruhr-University Bochum, Germany
| | - Monika Kasper-Sonnenberg
- IPA - Institute for Prevention and Occupational Medicine of the German Social Accident Insurance at the Ruhr-University Bochum, Germany
| | - Holger M Koch
- IPA - Institute for Prevention and Occupational Medicine of the German Social Accident Insurance at the Ruhr-University Bochum, Germany
| | - Thomas Brüning
- IPA - Institute for Prevention and Occupational Medicine of the German Social Accident Insurance at the Ruhr-University Bochum, Germany
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21
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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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Yates J, Deeney M, Rolker HB, White H, Kalamatianou S, Kadiyala S. A systematic scoping review of environmental, food security and health impacts of food system plastics. ACTA ACUST UNITED AC 2021; 2:80-87. [PMID: 37117403 DOI: 10.1038/s43016-021-00221-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 01/11/2021] [Indexed: 12/31/2022]
Abstract
Plastic pollution arising from food systems is driving policies for reduction, removal, reuse and recycling, but literature on plastic uses and outcomes across subsectors is fragmented. We use a systematic scoping review to describe the extent, range and nature of published evidence since 2000 on seven major plastic types used at any point within food systems and their quantifiable effects on the environment, food security and human health. Although the majority of publications focus on agricultural production, relatively fewer consider retail, household and food waste disposal plastics. Gaps in the research include evidence from low- and middle-income countries, health or food security and/or economic outcomes generated from human population studies-and the subsequent environmental and human health effects. A greater understanding of this disparate evidence landscape is essential to formulate coherent research strategies to inform potential policy actions and assess trade-offs across economic and environmental targets, human health and food security.
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23
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Yu H, Ma L, Liu D, Wang Y, Pei X, Duan Z, Ma M, Zhang Y. Involvement of NMDAR/PSD-95/nNOS-NO-cGMP pathway in embryonic exposure to BPA induced learning and memory dysfunction of rats. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 266:115055. [PMID: 32629208 DOI: 10.1016/j.envpol.2020.115055] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 06/16/2020] [Accepted: 06/16/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol A (BPA), can lead to learning and memory impairment, but the underlying mechanism is poorly understood. Researchers have indicated that the N-methyl-D-aspartate receptor (NMDAR)/postsynaptic density protein 95 (PSD-95)/neuronal nitric oxide synthase (nNOS)-nitric oxide (NO)-cyclic guanosine monophosphate (cGMP) pathway greatly contributes to learning and memory process. Pregnant rats were exposed to 0, 0.05, 0.5, 5 and 50 mg/kg/day BPA via oral gavage from gestational day (GD) 5 to GD 19. Morris water maze, transmission electron microscope, western blot, real time PCR, biochemical analysis and ELISA were used to analyze the changes in behavior, synaptic ultrastructure, protein and gene expression of NMDAR, PSD-95, nNOS, together with nNOS activity, NO (Nitrate reductase method) and cGMP levels of the rat pups at different growth stages. Results of this research displayed that exposure to 0.5 mg/kg/day BPA could damage the spatial learning ability of rats at postnatal day (PND) 56. However, spatial memory ability could be affected by exposure to BPA at doses up to 5 mg/kg/day. Moreover, the thickness of the postsynaptic density decreased after exposure to BPA at doses of 5 and 50 mg/kg/day. Levels of NR1, NR2A, PSD-95 protein and mRNA were downregulated to some extent after exposure to BPA, whereas the expression of NR2B increased at GD 20 but decreased at PND 21 and 56. Contrarily, the nNOS expression along with the enzyme activity were promoted after exposure to BPA. Meanwhile, the NO and cGMP levels were suppressed at GD 20 but promoted at PND 21 and 56. In conclusion, these results demonstrated that NMDAR/PSD-95/nNOS-NO-cGMP pathway could be affected by embryonic exposure to BPA, which may involve in the spatial learning and memory dysfunction of rats in later life.
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Affiliation(s)
- Haiyang Yu
- Department of Toxicology, School of Public Heath, Shenyang Medical College, Shenyang, Liaoning Province, People's Republic of China.
| | - Lin Ma
- Department of Toxicology, School of Public Heath, Shenyang Medical College, Shenyang, Liaoning Province, People's Republic of China
| | - Di Liu
- Department of Toxicology, School of Public Heath, Shenyang Medical College, Shenyang, Liaoning Province, People's Republic of China
| | - Yu Wang
- Department of Toxicology, School of Public Heath, Shenyang Medical College, Shenyang, Liaoning Province, People's Republic of China
| | - Xiucong Pei
- Department of Toxicology, School of Public Heath, Shenyang Medical College, Shenyang, Liaoning Province, People's Republic of China
| | - Zhiwen Duan
- Department of Toxicology, School of Public Heath, Shenyang Medical College, Shenyang, Liaoning Province, People's Republic of China
| | - Mingyue Ma
- Department of Toxicology, School of Public Heath, Shenyang Medical College, Shenyang, Liaoning Province, People's Republic of China
| | - Yumin Zhang
- Department of Toxicology, School of Public Heath, Shenyang Medical College, Shenyang, Liaoning Province, People's Republic of China
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Cimmino I, Fiory F, Perruolo G, Miele C, Beguinot F, Formisano P, Oriente F. Potential Mechanisms of Bisphenol A (BPA) Contributing to Human Disease. Int J Mol Sci 2020; 21:E5761. [PMID: 32796699 PMCID: PMC7460848 DOI: 10.3390/ijms21165761] [Citation(s) in RCA: 163] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 12/19/2022] Open
Abstract
Bisphenol A (BPA) is an organic synthetic compound serving as a monomer to produce polycarbonate plastic, widely used in the packaging for food and drinks, medical devices, thermal paper, and dental materials. BPA can contaminate food, beverage, air, and soil. It accumulates in several human tissues and organs and is potentially harmful to human health through different molecular mechanisms. Due to its hormone-like properties, BPA may bind to estrogen receptors, thereby affecting both body weight and tumorigenesis. BPA may also affect metabolism and cancer progression, by interacting with GPR30, and may impair male reproductive function, by binding to androgen receptors. Several transcription factors, including PPARγ, C/EBP, Nrf2, HOX, and HAND2, are involved in BPA action on fat and liver homeostasis, the cardiovascular system, and cancer. Finally, epigenetic changes, such as DNA methylation, histones modification, and changes in microRNAs expression contribute to BPA pathological effects. This review aims to provide an extensive and comprehensive analysis of the most recent evidence about the potential mechanisms by which BPA affects human health.
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Affiliation(s)
| | | | | | | | | | - Pietro Formisano
- Department of Translational Medicine, Federico II University of Naples and URT “Genomic of Diabetes” of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), 80131 Naples, Italy; (I.C.); (F.F.); (G.P.); (C.M.); (F.B.); (F.O.)
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25
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Yin Z, Hua L, Chen L, Hu D, Li J, An Z, Tian T, Ning H, Ge Y. Bisphenol-A exposure induced neurotoxicity and associated with synapse and cytoskeleton in Neuro-2a cells. Toxicol In Vitro 2020; 67:104911. [PMID: 32512148 DOI: 10.1016/j.tiv.2020.104911] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 05/07/2020] [Accepted: 06/01/2020] [Indexed: 12/16/2022]
Abstract
Bisphenol A (BPA) is an environmental chemical that induces neurotoxic effects for human. Synaptophysin (SYP) and drebrin (Dbn) proteins are involved in regulating synaptic morphology. The stability of the cytoskeleton in nerve cells in the brain is regulated by Tau and MAP2. This study aimed to determine the toxicity of BPA to Neuro-2a cells by investigating the synaptic and cytoskeletal damage induced in these cells by 24 h of exposure to 0 (MEM), 50, 100, 150, or 200 μM BPA or DMSO. MTT and LDH assays showed that the death rates of Neuro-2a cells increased, as the BPA concentration increased. Ultrastructural assays revealed that cells underwent nucleolar swelling as well as nuclear membrane and partial mitochondrial dissolution or condensation, following BPA exposure. Morphological analysis further revealed that compared with the cells in the control group, the cells in the BPA-treated groups shrank, became rounded, and exhibited a reduced number of synapses. BPA also significantly decreased the relative protein and mRNA expression levels of Dbn, MAP2 and Tau (P < .01), but increased the relative protein and mRNA expression levels of SYP (P < .01). These results indicated that BPA suppressed the development and proliferation of Neuro-2a cells by disrupting cellular and synaptic integrity and inflicting cytoskeleton injury.
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Affiliation(s)
- Zhihong Yin
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China
| | - Liushuai Hua
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China
| | - Lingli Chen
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China
| | - Dongfang Hu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China
| | - Jinglong Li
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China
| | - Zhixing An
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China
| | - Tian Tian
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China
| | - Hongmei Ning
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China
| | - Yaming Ge
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China.
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Zhang X, Tang S, Qiu T, Hu X, Lu Y, Du P, Xie L, Yang Y, Zhao F, Zhu Y, Giesy JP. Investigation of phthalate metabolites in urine and daily phthalate intakes among three age groups in Beijing, China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 260:114005. [PMID: 31995769 DOI: 10.1016/j.envpol.2020.114005] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 12/27/2019] [Accepted: 01/15/2020] [Indexed: 06/10/2023]
Abstract
Phthalates are widely used as binders and plasticizers in industrial and consumer products but show diverse toxicity. We investigated the level of human exposure to phthalates in Beijing, one of the most densely populated cities in the world. In this study, 12 metabolites of phthalates were measured in 70 spot urine samples collected from Beijing residents from August 2017 to April 2018 using ultra high-performance liquid chromatography tandem mass spectrometry. We found that metabolites of phthalates were ubiquitous in all urine samples. Total concentrations of phthalate metabolites ranged from 39.6 to 1931 ng mL-1, with median concentrations were in decreasing order of children (371 ng mL-1)> younger adults (332 ng mL-1)> older adults (276 ng mL-1). Mono-n-butyl phthalate (MnBP) was the predominant compound, and occurred at concentrations greater than those reported for people in other countries. The mean values of estimated daily intakes (EDIs) of ∑phthalate were 35.2, 10.3 and 10.9 ng (kg-bm)-1 d-1 for children, younger adults and older adults, respectively. EDIs of di-n-butyl phthalate (DnBP), di-iso-butyl phthalate (DiBP) and di-(2-ethylhexyl) phthalate (DEHP) exceeded reference values suggested by the US Environmental Protection Agency and the European Food Safety Authority. When concentrations were normalized to volume or creatinine-adjusted, hazard quotients (HQs) for 40 of 70 participants exhibited larger HQs >1 for individual phthalates, which was indicative of potential for adverse effects. Thus, exposure to phthalates might be a critical factor contributing to adverse health effects in Beijing residents. To the best of our knowledge, this is the first study to establish a pre-baseline level of urinary phthalate metabolites among residents in Beijing.
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Affiliation(s)
- Xu Zhang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Song Tang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China; Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Tian Qiu
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xiaojian Hu
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Yifu Lu
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Peng Du
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Linna Xie
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Yanwei Yang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Feng Zhao
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Ying Zhu
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - John P Giesy
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK S7N 5B3, Canada; Department of Biomedical and Veterinary Biosciences, University of Saskatchewan, Saskatoon, SK S7N 5B4, Canada; Department of Environmental Sciences, Baylor University, Waco, TX, USA
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Douziech M, Benítez-López A, Ernstoff A, Askham C, Hendriks AJ, King H, Huijbregts MAJ. A regression-based model to predict chemical migration from packaging to food. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2020; 30:469-477. [PMID: 31641273 DOI: 10.1038/s41370-019-0185-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 07/22/2019] [Accepted: 08/28/2019] [Indexed: 06/10/2023]
Abstract
Packaging materials can be a source of chemical contaminants in food. Process-based migration models (PMM) predict the chemical fraction transferred from packaging materials to food (FC) for application in prioritisation tools for human exposure. These models, however, have a relatively limited applicability domain and their predictive performance is typically low. To overcome these limitations, we developed a linear mixed-effects model (LMM) to statistically relate measured FC to properties of chemicals, food, packaging, and experimental conditions. We found a negative relationship between the molecular weight (MW) and FC, and a positive relationship with the fat content of the food depending on the octanol-water partitioning coefficient of the migrant. We also showed that large chemicals (MW > 400 g/mol) have a higher migration potential in packaging with low crystallinity compared with high crystallinity. The predictive performance of the LMM for chemicals not included in the database in contact with untested food items but known packaging material was higher (Coefficient of Efficiency (CoE) = 0.21) compared with a recently developed PMM (CoE = -5.24). We conclude that our empirical model is useful to predict chemical migration from packaging to food and prioritise chemicals in the absence of measurements.
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Affiliation(s)
- Mélanie Douziech
- Department of Environmental Science, Institute for Water and Wetland Research, Radboud University Nijmegen, P.O. Box 9010, 6500 GL, Nijmegen, The Netherlands.
| | - Ana Benítez-López
- Estación Biológica de Doñana, Integrative Ecology, Avd. Americo Vespucio s/n, 41001, Sevilla, Spain
| | - Alexi Ernstoff
- Quantis, EPFL Innovation Park-Bâtiment D, 1015, Lausanne, Switzerland
| | | | - A Jan Hendriks
- Department of Environmental Science, Institute for Water and Wetland Research, Radboud University Nijmegen, P.O. Box 9010, 6500 GL, Nijmegen, The Netherlands
| | - Henry King
- Safety & Environmental Assurance Centre, Unilever, Colworth Science Park, Bedfordshire, MK441LQ, UK
| | - Mark A J Huijbregts
- Department of Environmental Science, Institute for Water and Wetland Research, Radboud University Nijmegen, P.O. Box 9010, 6500 GL, Nijmegen, The Netherlands
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Lee J, Ahn YA, Choi K, Park J, Moon HB, Choi G, Lee JJ, Suh E, Kim HJ, Eun SH, Kim GH, Cho G, Kim SK, Kim S, Kim SY, Kim S, Eom S, Choi S, Kim YD, Kim S. Bisphenol A in infant urine and baby-food samples among 9- to 15-month-olds. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 697:133861. [PMID: 32380592 DOI: 10.1016/j.scitotenv.2019.133861] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 08/07/2019] [Accepted: 08/08/2019] [Indexed: 06/11/2023]
Abstract
Diet is the predominant source of bisphenol A (BPA) intake, but limited data are available on BPA levels in the diet of younger infants. This study investigated BPA levels in baby-food and urine samples collected from young infants (under 2 years old). Samples of homemade baby food (n = 210) and urine (n = 187) were collected at 9, 12, and 15 months after birth from a panel of Korean infants (n = 173). BPA levels in urine and food were measured using HPLC-MS/MS and GC-MS, respectively. BPA was above the limit of detection (LOD) in 85.5-85.7% of the urine samples and 32.5-76.3% of the baby-food samples. The median levels of BPA were 0.45 ng/g wet weight (IQR: not detectable to 5.16 ng/g wet weight) in homemade baby food, 0.93 μg/L (IQR: <LOD to 2.66 μg/L) in unadjusted urine samples, and 0.94 μg/L (IQR: <LOD to 2.80 μg/L) in urine samples adjusted for specific gravity. The BPA levels detected in this study were comparable or lower compared to previously reported levels of BPA in baby-food and infant urine samples. The BPA concentrations in the baby food of 15-month-old children (median: 5.09 ng/g) were significantly greater than those detected at 9 or 12 months of age (median: <LOD and 0.47 ng/g, respectively). Considering that the dietary changes from solid food with high water content to solid food as infants grew were accompanied by greater exposure to BPA, it is noteworthy that urinary BPA levels did not significantly differ according to infants' age. These results suggest that solid food with high water content did not drive the internal dose in younger infants, implying that there may have been other sources of exposure in their baby-food (other than weaning-food) and the environment, although further study would be needed to confirm this possibility.
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Affiliation(s)
- Jangwoo Lee
- School of Public Health, Seoul National University, Seoul, Republic of Korea
| | - Young-Ah Ahn
- School of Public Health, Seoul National University, Seoul, Republic of Korea
| | - Kyungho Choi
- School of Public Health, Seoul National University, Seoul, Republic of Korea
| | - Jeongim Park
- College of Natural Sciences, Soonchunhyang University, Asan, Republic of Korea
| | - Hyo-Bang Moon
- Department of Marine Sciences and Convergence Engineering, Hanyang University, Ansan, Republic of Korea
| | - Gyuyeon Choi
- College of Medicine, Soonchunhyang University, Seoul, Republic of Korea
| | - Jeong Jae Lee
- College of Medicine, Soonchunhyang University, Seoul, Republic of Korea
| | - Eunsook Suh
- College of Medicine, Soonchunhyang University, Seoul, Republic of Korea
| | - Hai-Joong Kim
- College of Medicine, Korea University, Ansan, Republic of Korea
| | - So-Hee Eun
- College of Medicine, Korea University, Ansan, Republic of Korea
| | - Gun-Ha Kim
- College of Medicine, Korea University, Ansan, Republic of Korea
| | - Geumjoon Cho
- College of Medicine, Korea University, Ansan, Republic of Korea
| | - Sung Koo Kim
- College of Medicine, Hallym University, Seoul, Republic of Korea
| | - Sungjoo Kim
- College of Medicine, Hallym University, Seoul, Republic of Korea
| | - Su Young Kim
- College of Medicine, Jeju National University, Jeju, Republic of Korea
| | - Seunghyo Kim
- College of Medicine, Jeju National University, Jeju, Republic of Korea
| | - Soyong Eom
- College of Medicine, Yonsei University, Seoul, Republic of Korea
| | - Sooran Choi
- College of Medicine, Inha University, Incheon, Republic of Korea
| | - Young Don Kim
- Department of Pediatrics, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Republic of Korea
| | - Sungkyoon Kim
- School of Public Health, Seoul National University, Seoul, Republic of Korea.
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Qi HM, Dai YE, Chen W, Liu QQ. SOCS-3 contributes to bisphenol a exposure-induced insulin resistance in hepatocytes. SCIENCE CHINA-LIFE SCIENCES 2019; 62:1597-1600. [PMID: 31802416 DOI: 10.1007/s11427-018-1560-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 10/16/2019] [Indexed: 10/25/2022]
Affiliation(s)
- Hu-Min Qi
- Department of Endocrinology, Children's Hospital Affiliated to Nanjing Medical University, Nanjing, 210008, China.,The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, 210029, China
| | - Yue-E Dai
- Department of Child Health Care, Suzhou Municipal Hospital, Suzhou Hospital Affiliated to Nanjing Medical University, Suzhou, 215006, China
| | - Wei Chen
- Department of Endocrinology, Children's Hospital Affiliated to Nanjing Medical University, Nanjing, 210008, China.,Department of Pediatrics, Sanming First Hospital affiliated to Fujian Medical University, Sanming, 365000, China
| | - Qian-Qi Liu
- Department of Endocrinology, Children's Hospital Affiliated to Nanjing Medical University, Nanjing, 210008, China.
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Freire C, Molina-Molina JM, Iribarne-Durán LM, Jiménez-Díaz I, Vela-Soria F, Mustieles V, Arrebola JP, Fernández MF, Artacho-Cordón F, Olea N. Concentrations of bisphenol A and parabens in socks for infants and young children in Spain and their hormone-like activities. ENVIRONMENT INTERNATIONAL 2019; 127:592-600. [PMID: 30986741 DOI: 10.1016/j.envint.2019.04.013] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 04/03/2019] [Accepted: 04/04/2019] [Indexed: 05/24/2023]
Abstract
BACKGROUND Little information is available on the content of bisphenol A (BPA) and other endocrine-disrupting chemicals (EDCs) such as parabens in infant textiles and clothes. OBJECTIVES 1) To determine the concentrations of BPA and parabens in socks for infants and young children purchased in Spain, 2) to assess the (anti-)estrogenicity and (anti-)androgenicity of extracts from the socks, and 3) to estimate dermal exposure doses to these chemicals. METHODS Thirty-two pairs of socks for infants and young children (1-48 months) were purchased from 3 stores in Granada (Spain). Textile material was cut from the foot, toe, and leg of each sock (n = 96 samples) for chemical analysis. Hormone-like activities were determined in foot sections (n = 32 samples) by using the E-Screen assay for (anti-)estrogenicity and PALM luciferase assay for (anti-)androgenicity. RESULTS BPA was present in 90.6% of samples at concentrations ranging from <0.70 to 3736 ng/g. BPA levels were around 25-fold higher in socks from store 1, which had a higher cotton content compared to stores 2 and 3. Ethyl-paraben was found in 100% of samples, followed by methyl-paraben (81.0%), and propyl-paraben (43.7%). No butyl-paraben was detected in any sample. Estrogenic activity was detected in 83.3% of socks from store 1 (range = 48.2-6051 pM E2eq/g) but in only three socks from stores 2 and 3. Anti-androgenic activity was detected in six of the 32 socks studied (range = 94.4-2989 μM Proceq/g), all from store 1. Estimated dermal exposure to BPA was higher from socks for children aged 36-48 months (median = 17.6 pg/kg/day), and dermal exposure to parabens was higher from socks for children aged 24-36 months (median = 0.60 pg/kg/day). DISCUSSION This is the first report in Europe on the wide presence of BPA and parabens in socks marketed for infants and children. BPA appears to contribute to the hormone-like activity observed in sock extracts.
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Affiliation(s)
- Carmen Freire
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada E-18012, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Granada E-18071, Spain; Centro de Investigación Biomédica (CIBM), Universidad de Granada, Granada E-18016, Spain.
| | - José-Manuel Molina-Molina
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada E-18012, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Granada E-18071, Spain; Centro de Investigación Biomédica (CIBM), Universidad de Granada, Granada E-18016, Spain.
| | - Luz M Iribarne-Durán
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada E-18012, Spain; Departamento de Radiología y Medicina Física, Facultad de Medicina, Universidad de Granada, Granada E-18016, Spain
| | | | - Fernando Vela-Soria
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada E-18012, Spain.
| | - Vicente Mustieles
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada E-18012, Spain; Centro de Investigación Biomédica (CIBM), Universidad de Granada, Granada E-18016, Spain; Departamento de Radiología y Medicina Física, Facultad de Medicina, Universidad de Granada, Granada E-18016, Spain
| | - Juan Pedro Arrebola
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada E-18012, Spain; Departamento de Medicina Preventiva y Salud Pública, Universidad de Granada, Granada E-18016, Spain.
| | - Mariana F Fernández
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada E-18012, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Granada E-18071, Spain; Centro de Investigación Biomédica (CIBM), Universidad de Granada, Granada E-18016, Spain; Departamento de Radiología y Medicina Física, Facultad de Medicina, Universidad de Granada, Granada E-18016, Spain.
| | - Francisco Artacho-Cordón
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada E-18012, Spain; Departamento de Radiología y Medicina Física, Facultad de Medicina, Universidad de Granada, Granada E-18016, Spain.
| | - Nicolás Olea
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada E-18012, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Granada E-18071, Spain; Centro de Investigación Biomédica (CIBM), Universidad de Granada, Granada E-18016, Spain; Departamento de Radiología y Medicina Física, Facultad de Medicina, Universidad de Granada, Granada E-18016, Spain; Unidad de Gestión Clínica de Medicina Nuclear, Hospital Universitario San Cecilio, Granada E-18016, Spain.
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31
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Mustieles V, Casas M, Ferrando-Marco P, Ocón-Hernández O, Reina-Pérez I, Rodríguez-Carrillo A, Vela-Soria F, Pérez-Lobato R, Navarrete-Muñoz EM, Freire C, Olea N, Fernández MF. Bisphenol A and adiposity measures in peripubertal boys from the INMA-Granada cohort. ENVIRONMENTAL RESEARCH 2019; 173:443-451. [PMID: 30974370 DOI: 10.1016/j.envres.2019.03.045] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/11/2019] [Accepted: 03/18/2019] [Indexed: 06/09/2023]
Abstract
INTRODUCTION Childhood obesity is one of the most serious public health challenges of our times. Although an important body of experimental evidence highlights the obesogenic potential of endocrine disruptors such as bisphenol A (BPA), the epidemiological evidence remains inconclusive and limited. OBJECTIVE To assess associations between urinary BPA concentrations and several adiposity measures in peripubertal boys from the Environment and Childhood (INMA) cohort in Granada, Spain. MATERIAL AND METHODS BPA concentrations were determined in spot urine samples from 298 boys aged 9-11, and their weight, height, waist circumference, and percentage body fat mass were measured. Overweight/obesity was defined as BMI z-score ≥85th percentile and abdominal obesity as waist-to-height ratio (WHtR) ≥0.5. Associations were assessed using multivariable linear and logistic regression models. RESULTS In adjusted models, each natural log-unit increase in urinary BPA concentrations was associated with higher BMI z-score (β = 0.22; 95%CI = 0.03, 0.41) and increased odds of overweight/obesity (OR = 1.46; 95%CI = 1.05, 2.05). Children with higher BPA concentrations had higher WHtR values (β = 0.007; 95%CI = -0.001, 0.015), and BPA was associated with a greater risk of abdominal obesity (OR = 1.45; 95%CI = 1.03, 2.06). No associations were found with % body fat mass. CONCLUSIONS BPA may exert an obesogenic effect in peripubertal boys, potentially increasing the risk of overweight/obesity, especially abdominal obesity. However, these results should be interpreted with caution given the modest sample size and the possibilities of reverse causality and residual confounding by diet and lifestyle patterns.
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Affiliation(s)
- Vicente Mustieles
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto Investigación Biosanitaria Ibs GRANADA, Granada, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), 18100, Spain
| | - Maribel Casas
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), 18100, Spain; ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | | | | | - Iris Reina-Pérez
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto Investigación Biosanitaria Ibs GRANADA, Granada, Spain
| | - Andrea Rodríguez-Carrillo
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto Investigación Biosanitaria Ibs GRANADA, Granada, Spain
| | - Fernando Vela-Soria
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto Investigación Biosanitaria Ibs GRANADA, Granada, Spain
| | | | - Eva María Navarrete-Muñoz
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), 18100, Spain; Department of Public Health, History of Medicine and Gynecology, Miguel Hernandez University, San Juan de Alicante, Spain
| | - Carmen Freire
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto Investigación Biosanitaria Ibs GRANADA, Granada, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), 18100, Spain
| | - Nicolás Olea
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto Investigación Biosanitaria Ibs GRANADA, Granada, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), 18100, Spain
| | - Mariana F Fernández
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto Investigación Biosanitaria Ibs GRANADA, Granada, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), 18100, Spain.
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32
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Renal and hepatic effects following neonatal exposure to low doses of Bisphenol-A and 137Cs. Food Chem Toxicol 2018; 114:270-277. [PMID: 29477810 DOI: 10.1016/j.fct.2018.02.046] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 02/16/2018] [Accepted: 02/20/2018] [Indexed: 12/13/2022]
Abstract
137-Cesium (137Cs) is one of the most important distributed radionuclides after a nuclear accident. Humans are usually co-exposed to various environmental toxicants, being Bisphenol-A (BPA) one of them. Exposure to IR and BPA in early life is of major concern, due to the higher vulnerability of developing organs. We evaluate the renal and hepatic effects of low doses of ionizing radiation (IR) and BPA. Sixty male mice (C57BL/6J) were randomly assigned to six experimental groups (n=10) and received a single subcutaneous dose of 0.9% saline solution, 137Cs and/or BPA on postnatal day 10: control, BPA (25 μg/kgbw), Cs4000 (4000 Bq 137Cs/kgbw), Cs8000 (8000 Bq 137Cs/kgbw), BPA/Cs4000 and BPA/Cs8000. At the age of two months, urines (24h) and blood samples were collected from animals of each group to determine biochemical parameters. Finally, kidneys and liver were removed to quantify DNA damage (8-OHdG), as well as to determine CYP1A2 mRNA expression. Data suggest that both BPA and 137Cs induced renal and liver damage evidenced by oxidative stress. However, when there is a co-exposure, it seems that there are compensatory mechanisms that may reverse the damage induced by each toxic itself. Notwithstanding, more studies are necessary to better understand the synergistic mechanisms behind.
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33
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Lei B, Sun S, Xu J, Feng C, Yu Y, Xu G, Wu M, Peng W. Low-concentration BPAF- and BPF-induced cell biological effects are mediated by ROS in MCF-7 breast cancer cells. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:3200-3208. [PMID: 28735473 DOI: 10.1007/s11356-017-9709-7] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 07/04/2017] [Indexed: 06/07/2023]
Abstract
Reactive oxygen species (ROS) induced by bisphenol A (BPA) have been implicated in cellular oxidative damage and carcinogenesis. It is not known whether the potential alternatives of BPA, bisphenol AF (BPAF), and bisphenol F (BPF) can also induce ROS involved in mediating biological responses. This study evaluated the toxicity of BPAF and BPF on cell proliferation, DNA damage, intracellular calcium homeostasis, and ROS generation in MCF-7 human breast cancer cells. The results showed that BPAF at 0.001-1 μM and BPF at 0.01-1 μM significantly increased cell viability and at 25 and 50 μM, both compounds decreased cell viability. At 0.01-10 μM, both BPAF and BPF increased DNA damage and significantly elevated ROS and intracellular Ca2+ levels in MCF-7 cells. These biological effects were attenuated by the ROS scavenger N-acetylcysteine (NAC), indicating that ROS played a key role in the observed biological effects of BPAF and BPF on MCF-7 cells. These findings can deepen our understanding on the toxicity of BPAF and BPF, and provide basis data to further evaluate the potential health harm and establish environmental standard of BPAF and BPF.
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Affiliation(s)
- Bingli Lei
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
| | - Su Sun
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Jie Xu
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Chenglian Feng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing, 100012, China
| | - Yingxin Yu
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
| | - Gang Xu
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Minghong Wu
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Wei Peng
- Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
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Malekzad H, Jouyban A, Hasanzadeh M, Shadjou N, de la Guardia M. Ensuring food safety using aptamer based assays: Electroanalytical approach. Trends Analyt Chem 2017; 94:77-94. [PMID: 32287541 PMCID: PMC7112916 DOI: 10.1016/j.trac.2017.07.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Aptamers, are being increasingly employed as favorable receptors for constructing highly sensitive biosensors, for their remarkable affinities towards certain targets including a wide scope of biological or chemical substances, and their superiority over other biologic receptors. The selectivity and affinity of the aptamers have been integrated with the wise design of the assay, applying suitable modifications, such as nanomaterials on the electrode surface, employing oligonucleotide-specific amplification strategies or, their combinations. After successful performance of the electrochemical aptasensors for biomedical applications, the food sector with its direct implication for human health, which demands rapid and sensitive and economic analytical solutions for determination of health threatening contaminants in all stages of production process, is the next field of research for developing efficient electrochemical aptasensors. The aim of this review is to categorize and introduce food hazards and summarize the recent electrochemical aptasensors that have been developed to address these contaminants.
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Affiliation(s)
- Hedieh Malekzad
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
- Kimia Idea Pardaz Azarbayjan (KIPA) Science Based Company, Tabriz University of Medical Sciences, Tabriz 51664, Iran
| | - Mohammad Hasanzadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nasrin Shadjou
- Department of Nanochemistry, Nano Technology Research Center, Urmia University, Urmia, Iran
- Department of Nanochemistry, Faculty of Science, Urmia University, Urmia, Iran
| | - Miguel de la Guardia
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, Burjassot 46100, Valencia, Spain
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35
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Zhang J, Zhang X, Li Y, Zhou Z, Wu C, Liu Z, Hao L, Fan S, Jiang F, Xie Y, Jiang L. Low dose of Bisphenol A enhance the susceptibility of thyroid carcinoma stimulated by DHPN and iodine excess in F344 rats. Oncotarget 2017; 8:69874-69887. [PMID: 29050248 PMCID: PMC5642523 DOI: 10.18632/oncotarget.19434] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Accepted: 06/02/2017] [Indexed: 01/20/2023] Open
Abstract
Thyroid carcinoma (TC) is the most common endocrine neoplasm. The risk of TC as a second primary malignancy (SPM) of breast cancer is significantly increased. Bisphenol A (BPA) is a widely contacted xenoestrogen and increases susceptibility to breast cancer through binding to estrogen receptor alpha (ERα). However, the effect of BPA on thyroid carcinogenesis has not been fully demonstrated. This present study aimed to characterize the effects of BPA on the development of TC using a Fischer 344 (F344) rat model. In this study, we established a TC model using female F344 rats pretreated with N-Bis (2-hydroxypropyl) nitrosamine (DHPN) at a single dose of 2800 mg/kg (the DA group) or without DHPN (the DN group), followed by stimulation with BPA at the level of 250 μg/kg (BPA250) or 1000 μg/kg (BPA1000) and a basic diet containing potassium iodine (KI, 1000 μg/L) for 64 weeks. We demonstrated that the incidence of TC in the BPA250 + KI of DA groups reached the highest at 50%, the incidence of thyroid hyperplasia lesions (including both tumors and focal hyperplasia lesions) in the BPA1000 + KI of DA groups reached 100% (P < 0.05). ERα protein and immunochemistry expression was upregulated in the BPA-exposed groups and the immunochemistry scores were positively correlated with PCNA. Thus, the present results indicate that BPA could enhance the susceptibility to TC stimulated by DHPN and iodine excess. ERα is probably involved in the proliferation effect of BPA. BPA or KI alone could not increase TC incidence.
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Affiliation(s)
- Jing Zhang
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China.,Department of Hemodialysis, Heze Municipical Hospital, Heze 274000, China
| | - Xiaochen Zhang
- Department of Nursing, Heze Medical College, Heze 274000, China
| | - Yanan Li
- Department of Endocrinology, Laiwu City People's Hospital, Laiwu 271100, China
| | - Zhenzhen Zhou
- Department of Radiotherapy, Jinhua Municipal Central Hospital, Jinhua 321000, China0
| | - Chuanlong Wu
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Zhiyan Liu
- Department of Pathology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Lanxiang Hao
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China.,Department of Endocrinology, Yancheng First People's Hospital, Yancheng 224001, China
| | - Shanshan Fan
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Fang Jiang
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Yan Xie
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Ling Jiang
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan 250012, China
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Chang H, Wang D, Xia W, Pan X, Huo W, Xu S, Li Y. Epigenetic disruption and glucose homeostasis changes following low-dose maternal bisphenol A exposure. Toxicol Res (Camb) 2016; 5:1400-1409. [PMID: 30090444 PMCID: PMC6061978 DOI: 10.1039/c6tx00047a] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Accepted: 06/19/2016] [Indexed: 12/19/2022] Open
Abstract
Developmental exposure to bisphenol A (BPA) has been linked to impaired glucose homeostasis and pancreatic function in adulthood, which has been hypothesized to result from the disruption of pancreatic β-cell development at early life. Here we evaluated whether maternal BPA exposure disrupts β-cell development and glucose tolerance and the role of epigenetic modifications of key regulator in this process. We found that maternal exposure to BPA (10 μg kg-1 d-1) reduced the pancreatic β-cell mass and the expression of pancreatic and duodenal homeobox 1 (Pdx1) at birth, as well as the expression of Pdx1 at gestational day (GD) 15.5. In parallel with the decreased expression of Pdx1, histones H3 and H4 deacetylation, along with demethylation of histone 3 lysine 4 (H3K4) and methylation of histone 3 lysine 9 (H3K9), were found at the promoter of Pdx1, while no significant changes in DNA methylation status were detected at this region. Moreover, these alterations were observed in adult life along with impaired glucose tolerance. We conclude that maternal exposure to BPA reduces pancreatic β-cell mass at birth by reducing PDX1+ progenitors during fetal development through altering the histone modifications of Pdx1, which can be propagated to later life and increase the susceptibility to glucose intolerance.
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Affiliation(s)
- Huailong Chang
- Key Laboratory of Environment and Health , Ministry of Education & Ministry of Environmental Protection , and State Key Laboratory of Environmental Health (incubating) , School of Public Health , Tongji Medical College , Huazhong University of Science and Technology , Wuhan 430030 , China . ; ; ; Tel: +86-27-83693417, 86-27-83657705
| | - Danqi Wang
- School of Public Health , Changsha Medical University , Changsha 410219 , China
| | - Wei Xia
- Key Laboratory of Environment and Health , Ministry of Education & Ministry of Environmental Protection , and State Key Laboratory of Environmental Health (incubating) , School of Public Health , Tongji Medical College , Huazhong University of Science and Technology , Wuhan 430030 , China . ; ; ; Tel: +86-27-83693417, 86-27-83657705
| | - Xinyun Pan
- Key Laboratory of Environment and Health , Ministry of Education & Ministry of Environmental Protection , and State Key Laboratory of Environmental Health (incubating) , School of Public Health , Tongji Medical College , Huazhong University of Science and Technology , Wuhan 430030 , China . ; ; ; Tel: +86-27-83693417, 86-27-83657705
| | - Wenqian Huo
- Key Laboratory of Environment and Health , Ministry of Education & Ministry of Environmental Protection , and State Key Laboratory of Environmental Health (incubating) , School of Public Health , Tongji Medical College , Huazhong University of Science and Technology , Wuhan 430030 , China . ; ; ; Tel: +86-27-83693417, 86-27-83657705
| | - Shunqing Xu
- Key Laboratory of Environment and Health , Ministry of Education & Ministry of Environmental Protection , and State Key Laboratory of Environmental Health (incubating) , School of Public Health , Tongji Medical College , Huazhong University of Science and Technology , Wuhan 430030 , China . ; ; ; Tel: +86-27-83693417, 86-27-83657705
| | - Yuanyuan Li
- Key Laboratory of Environment and Health , Ministry of Education & Ministry of Environmental Protection , and State Key Laboratory of Environmental Health (incubating) , School of Public Health , Tongji Medical College , Huazhong University of Science and Technology , Wuhan 430030 , China . ; ; ; Tel: +86-27-83693417, 86-27-83657705
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Rivas A, Monteagudo C, Heras-Gonzalez L, Mariscal-Arcas M, Lorenzo-Tovar ML, Olea-Serrano F. Association of bisphenol A exposure with dietary quality indices in Spanish schoolchildren. Food Chem Toxicol 2016; 94:25-30. [DOI: 10.1016/j.fct.2016.05.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 04/12/2016] [Accepted: 05/15/2016] [Indexed: 01/30/2023]
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Kramer AG, Vuthiganon J, Lassiter CS. Bis-GMA affects craniofacial development in zebrafish embryos (Danio rerio). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 43:159-165. [PMID: 26994444 DOI: 10.1016/j.etap.2016.02.018] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 02/23/2016] [Accepted: 02/24/2016] [Indexed: 06/05/2023]
Abstract
Estrogen is a steroid hormone that is vital in vertebrate development and plays a role in a variety of developmental processes including cartilage and craniofacial formation. The effects of estrogen can be mimicked by other compounds found in the environment known as xenoestrogens. Bisphenol-A (BPA) is a known xenoestrogen and is combined with glycidyl methacrylate to make Bisphenol A glycidyl methacrylate (Bis-GMA), a major component in dental resin based composites (RBCs). Bis-GMA based RBCs can release their components into the saliva and bloodstream. Exposure to 1μM and 10μM Bis-GMA in Danio rerio embryos results in increased mortality of approximately 30% and 45% respectively. Changes to gross morphology, specifically craniofacial abnormalities, were seen at concentrations as low as 10nM. While the molecular pathways of Bis-GMA effects have not been studied extensively, more is known about one of the components, BPA. Further research of Bis-GMA could lead to a better understanding of xenoestrogenic activity resulting in improved public and environmental health.
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Affiliation(s)
- Alexander G Kramer
- Department of Biology, Roanoke College, 221 College Lane, Salem VA 24153, USA
| | - Jompobe Vuthiganon
- Department of Oral Rehabilitation, College of Dental Medicine, Medical University of South Carolina, 173 Ashley Avenue, Charleston SC 29425, USA
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Ariemma F, D’Esposito V, Liguoro D, Oriente F, Cabaro S, Liotti A, Cimmino I, Longo M, Beguinot F, Formisano P, Valentino R. Low-Dose Bisphenol-A Impairs Adipogenesis and Generates Dysfunctional 3T3-L1 Adipocytes. PLoS One 2016; 11:e0150762. [PMID: 26942597 PMCID: PMC4778877 DOI: 10.1371/journal.pone.0150762] [Citation(s) in RCA: 133] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 02/18/2016] [Indexed: 01/05/2023] Open
Abstract
Environmental endocrine disruptors (EDCs), including bisphenol-A (BPA), have been recently involved in obesity and diabetes by dysregulating adipose tissue function. Our aim was to examine whether prolonged exposure to low doses of BPA could affect adipogenesis and adipocyte metabolic functions. Therefore, 3T3-L1 pre-adipocytes were cultured for three weeks with BPA 1 nM to mimic human environmental exposure. We evaluated BPA effect on cell proliferation, differentiation, gene expression and adipocyte metabolic function. BPA significantly increased pre-adipocyte proliferation (p<0.01). In 3T3-L1 adipocytes differentiated in the presence of BPA, the expression of Peroxisome proliferator-activated receptor gamma (PPARγ), Fatty Acid Binding Protein 4/Adipocyte Protein 2 (FABP4/AP2) and CCAAT/enhancer binding protein (C/EBPα) was increased by 3.5, 1.5 and 3 folds, respectively. Mature adipocytes also showed a significant increase in lipid accumulation (p<0.05) and alterations of insulin action, with significant reduction in insulin-stimulated glucose utilization (p<0.001). Moreover, in mature adipocytes, mRNA levels of Leptin, interleukin-6 (IL6) and interferon-γ (IFNγ) were significantly increased (p<0.05). In conclusion, BPA prolonged exposure at low doses, consistent with those found in the environment, may affect adipocyte differentiation program, enhancing pre-adipocyte proliferation and anticipating the expression of the master genes involved in lipid/glucose metabolism. The resulting adipocytes are hypertrophic, with impaired insulin signaling, reduced glucose utilization and increased pro-inflammatory cytokine expression. Thus, these data supported the hypothesis that BPA exposure, during critical stages of adipose tissue development, may cause adipocyte metabolic dysfunction and inflammation, thereby increasing the risk of developing obesity-related diseases.
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Affiliation(s)
- Fabiana Ariemma
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
| | - Vittoria D’Esposito
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology (IEOS), National Council of Research (CNR), via S. Pansini, 5, 80131, Naples, Italy
| | - Domenico Liguoro
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology (IEOS), National Council of Research (CNR), via S. Pansini, 5, 80131, Naples, Italy
| | - Francesco Oriente
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
| | - Serena Cabaro
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
| | - Antonietta Liotti
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
| | - Ilaria Cimmino
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
| | - Michele Longo
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
| | - Francesco Beguinot
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology (IEOS), National Council of Research (CNR), via S. Pansini, 5, 80131, Naples, Italy
| | - Pietro Formisano
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology (IEOS), National Council of Research (CNR), via S. Pansini, 5, 80131, Naples, Italy
| | - Rossella Valentino
- Department of Translational Medical Sciences, Federico II University of Naples, via S. Pansini, 5, 80131, Naples, Italy
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology (IEOS), National Council of Research (CNR), via S. Pansini, 5, 80131, Naples, Italy
- * E-mail:
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Keil KP, Lein PJ. DNA methylation: a mechanism linking environmental chemical exposures to risk of autism spectrum disorders? ENVIRONMENTAL EPIGENETICS 2016; 2:dvv012. [PMID: 27158529 PMCID: PMC4856164 DOI: 10.1093/eep/dvv012] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
There is now compelling evidence that gene by environment interactions are important in the etiology of autism spectrum disorders (ASDs). However, the mechanisms by which environmental factors interact with genetic susceptibilities to confer individual risk for ASD remain a significant knowledge gap in the field. The epigenome, and in particular DNA methylation, is a critical gene expression regulatory mechanism in normal and pathogenic brain development. DNA methylation can be influenced by environmental factors such as diet, hormones, stress, drugs, or exposure to environmental chemicals, suggesting that environmental factors may contribute to adverse neurodevelopmental outcomes of relevance to ASD via effects on DNA methylation in the developing brain. In this review, we describe epidemiological and experimental evidence implicating altered DNA methylation as a potential mechanism by which environmental chemicals confer risk for ASD, using polychlorinated biphenyls (PCBs), lead, and bisphenol A (BPA) as examples. Understanding how environmental chemical exposures influence DNA methylation and how these epigenetic changes modulate the risk and/or severity of ASD will not only provide mechanistic insight regarding gene-environment interactions of relevance to ASD but may also suggest potential intervention strategies for these and potentially other neurodevelopmental disorders.
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Affiliation(s)
- Kimberly P. Keil
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California Davis, Davis, CA, USA
| | - Pamela J. Lein
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California Davis, Davis, CA, USA
- *Correspondence address. Department of Molecular Biosciences, School of Veterinary Medicine, University of California Davis, 1089 Veterinary Medicine Drive, Davis, CA 95616, USA. Tel:
(530) 752-1970
; Fax:
(530) 752-7690
; E-mail:
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