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Wang C, Xu J, Luo S, Huang J, Ji D, Qiu X, Song X, Cao X, Niu C, Zeng X, Zhang Z, Ma Y, Chen J, Chen D, Zhong X, Wei Y. Parental Exposure to Environmentally Relevant Concentrations of Bisphenol-A Bis(diphenyl phosphate) Impairs Vascular Development in Offspring through DNA/RNA Methylation-Dependent Transmission. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:16176-16189. [PMID: 37847870 DOI: 10.1021/acs.est.3c03579] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2023]
Abstract
Bisphenol-A bis(diphenyl phosphate) (BDP) has been increasingly detected in indoor environmental and human samples. Little is known about its developmental toxicity, particularly the intergenerational effects of parental exposure. In this study, adult zebrafish were exposed to BDP at 30-30,000 ng/L for 28 days, with results showing that exposure did not cause a transfer of BDP or its metabolites to offspring. Vascular morphometric profiling revealed that parental exposure to BDP at 30 and 300 ng/L exerted significant effects on the vascular development of offspring, encompassing diverse alterations in multiple types of blood vessels. N6-Methyladenosine (m6A) methylated RNA immunoprecipitation sequencing of larvae in the 300 ng/L group revealed 378 hypomethylated and 350 hypermethylated m6A peaks that were identified in mRNA transcripts of genes crucial for vascular development, including the Notch/Vegf signaling pathway. Concomitant changes in 5 methylcytosine (m5C) DNA methylation and gene expression of m6A modulators (alkbh5, kiaa1429, and ythdf1) were observed in both parental gonads and offspring exposed to BDP. These results reveal that parental exposure to low concentrations of BDP caused offspring vascular disorders by interfering with DNA and RNA methylation, uncovering a unique DNA-RNA modification pattern in the intergenerational transmission of BDP's developmental toxicity.
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Affiliation(s)
- Can Wang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
- Department of Chemical and Environmental Engineering, University of California Riverside, Riverside, California 92521, United States
| | - Jinkun Xu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Shili Luo
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Jiajing Huang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Di Ji
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Xuelin Qiu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Xin Song
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China
| | - Xiaolian Cao
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Congying Niu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Xiangyu Zeng
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Zhuyi Zhang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Ya Ma
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Junzhou Chen
- School of Intelligent Systems Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China
| | - Da Chen
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China
| | - Xiali Zhong
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Yanhong Wei
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
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Lamberto F, Shashikadze B, Elkhateib R, Lombardo SD, Horánszky A, Balogh A, Kistamás K, Zana M, Menche J, Fröhlich T, Dinnyés A. Low-dose Bisphenol A exposure alters the functionality and cellular environment in a human cardiomyocyte model. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122359. [PMID: 37567409 DOI: 10.1016/j.envpol.2023.122359] [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: 06/14/2023] [Revised: 07/26/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
Early embryonic development represents a sensitive time-window during which the foetus might be vulnerable to the exposure of environmental contaminants, potentially leading to heart diseases also later in life. Bisphenol A (BPA), a synthetic chemical widely used in plastics manufacturing, has been associated with heart developmental defects, even in low concentrations. This study aims to investigate the effects of environmentally relevant doses of BPA on developing cardiomyocytes using a human induced pluripotent stem cell (hiPSC)-derived model. Firstly, a 2D in vitro differentiation system to obtain cardiomyocytes from hiPSCs (hiPSC-CMs) have been established and characterised to provide a suitable model for the early stages of cardiac development. Then, the effects of a repeated BPA exposure, starting from the undifferentiated stage throughout the differentiation process, were evaluated. The chemical significantly decreased the beat rate of hiPSC-CMs, extending the contraction and relaxation time in a dose-dependent manner. Quantitative proteomics analysis revealed a high abundance of basement membrane (BM) components (e.g., COL4A1, COL4A2, LAMC1, NID2) and a significant increase in TNNC1 and SERBP1 proteins in hiPSC-CMs treated with BPA. Network analysis of proteomics data supported altered extracellular matrix remodelling and provided a disease-gene association with well-known pathological conditions of the heart. Furthermore, upon hypoxia-reoxygenation challenge, hiPSC-CMs treated with BPA showed higher rate of apoptotic events. Taken together, our results revealed that a long-term treatment, even with low doses of BPA, interferes with hiPSC-CMs functionality and alters the surrounding cellular environment, providing new insights about diseases that might arise upon the toxin exposure. Our study contributes to the current understanding of BPA effects on developing human foetal cardiomyocytes, in correlation with human clinical observations and animal studies, and it provides a suitable model for New Approach Methodologies (NAMs) for environmental chemical hazard and risk assessment.
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Affiliation(s)
- Federica Lamberto
- BioTalentum Ltd., Aulich Lajos Str. 26, Gödöllő, H-2100, Hungary; Department of Physiology and Animal Health, Institute of Physiology and Animal Nutrition, Hungarian University of Agriculture and Life Sciences, Páter Károly Str. 1, H-2100, Gödöllő, Hungary
| | - Bachuki Shashikadze
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, LMU Munich, 81377, Munich, Germany
| | - Radwa Elkhateib
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, LMU Munich, 81377, Munich, Germany
| | - Salvo Danilo Lombardo
- Max Perutz Labs, Vienna Biocenter Campus (VBC), 1030, Vienna, Austria; Department of Structural and Computational Biology, Center for Molecular Biology, University of Vienna, 1030, Vienna, Austria; CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, 1090, Vienna, Austria
| | - Alex Horánszky
- BioTalentum Ltd., Aulich Lajos Str. 26, Gödöllő, H-2100, Hungary; Department of Physiology and Animal Health, Institute of Physiology and Animal Nutrition, Hungarian University of Agriculture and Life Sciences, Páter Károly Str. 1, H-2100, Gödöllő, Hungary
| | - Andrea Balogh
- BioTalentum Ltd., Aulich Lajos Str. 26, Gödöllő, H-2100, Hungary
| | - Kornél Kistamás
- BioTalentum Ltd., Aulich Lajos Str. 26, Gödöllő, H-2100, Hungary
| | - Melinda Zana
- BioTalentum Ltd., Aulich Lajos Str. 26, Gödöllő, H-2100, Hungary
| | - Jörg Menche
- Max Perutz Labs, Vienna Biocenter Campus (VBC), 1030, Vienna, Austria; Department of Structural and Computational Biology, Center for Molecular Biology, University of Vienna, 1030, Vienna, Austria; CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, 1090, Vienna, Austria; Faculty of Mathematics, University of Vienna, 1090, Vienna, Austria
| | - Thomas Fröhlich
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, LMU Munich, 81377, Munich, Germany
| | - András Dinnyés
- BioTalentum Ltd., Aulich Lajos Str. 26, Gödöllő, H-2100, Hungary; Department of Physiology and Animal Health, Institute of Physiology and Animal Nutrition, Hungarian University of Agriculture and Life Sciences, Páter Károly Str. 1, H-2100, Gödöllő, Hungary; Department of Cell Biology and Molecular Medicine, University of Szeged, H-6720, Szeged, Hungary.
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Ma J, Niklewski PJ, Wang HS. Acute exposure to low-dose bisphenol A delays cardiac repolarization in female canine heart - Implication for proarrhythmic toxicity in large animals. Food Chem Toxicol 2023; 172:113589. [PMID: 36584932 PMCID: PMC9852101 DOI: 10.1016/j.fct.2022.113589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/12/2022] [Accepted: 12/24/2022] [Indexed: 12/29/2022]
Abstract
Bisphenol A (BPA) is a common environmental chemical with a range of potential adverse health effects. The impact of environmentally-relevant low dose of BPA on the electrical properties of the hearts of large animals (e.g., dog, human) is poorly defined. Perturbation of cardiac electrical properties is a key arrhythmogenic mechanism. In particular, delay of ventricular repolarization and prolongation of the QT interval of the electrocardiogram is a marker for the risk of malignant arrhythmias. We examined the acute effect of 10-9 M BPA on the electrical properties of female canine ventricular myocytes and tissues. BPA rapidly delayed action potential repolarization and prolonged action potential duration (APD). The dose response curve of BPA on APD was nonmonotonic. BPA rapidly inhibited the IKr K+ current and ICaL Ca2+ current. Computational modeling indicated that the effect of BPA on APD can be accounted for by its suppression of IKr. At the tissue level, BPA acutely prolonged the QT interval in 4 left ventricular wedges. ERβ signaling contributed to the acute effects of BPA on ventricular repolarization. Our results demonstrate that BPA has QT prolongation liability in female canine hearts. These findings have implication for the potential proarrhythmic cardiac toxicity of BPA in large animals.
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Affiliation(s)
- Jianyong Ma
- Department of Pharmacology and Systems Physiology, University of Cincinnati, College of Medicine, Cincinnati, OH, USA
| | - Paul J Niklewski
- Department of Pharmacology and Systems Physiology, University of Cincinnati, College of Medicine, Cincinnati, OH, USA
| | - Hong-Sheng Wang
- Department of Pharmacology and Systems Physiology, University of Cincinnati, College of Medicine, Cincinnati, OH, USA.
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Fetal Myocardial Expression of GLUT1: Roles of BPA Exposure and Cord Blood Exosomes in a Rat Model. Cells 2022; 11:cells11203195. [PMID: 36291063 PMCID: PMC9601122 DOI: 10.3390/cells11203195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/03/2022] [Accepted: 10/07/2022] [Indexed: 11/16/2022] Open
Abstract
Dietary exposure to Bisphenol A (BPA), an industrial chemical present in food containers, affects nutrient metabolism in the myocardium of offspring during intrauterine life. Using a murine model, we observed that fetal hearts from mothers exposed to BPA (2.5 μg/kg/day) for 20 days before mating and for all of the gestation had decreased expression of glucose transporter-1 (GLUT1), the principal sugar transporter in the fetal heart, and increased expression of fatty acid cluster of differentiation 36 transporter (CD36), compared to control fetuses from vehicle-treated mothers. We confirmed the suppression of GLUT1 by exposing fetal heart organotypic cultures to BPA (1 nM) for 48 h but did not detect changes in CD36 compared to controls. During pregnancy, the placenta continuously releases extracellular vesicles such as exosomes into fetal circulation. These vesicles influence the growth and development of fetal organs. When fetal heart cultures were treated with cord blood-derived exosomes isolated from BPA-fed animals, GLUT1 expression was increased by approximately 40%. Based on our results, we speculate that exosomes from cord blood, in particular placenta-derived nanovesicles, could contribute to the stabilization of the fetal heart metabolism by ameliorating the harmful effects of BPA on GLUT1 expression.
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Amran NH, Zaid SSM, Mokhtar MH, Manaf LA, Othman S. Exposure to Microplastics during Early Developmental Stage: Review of Current Evidence. TOXICS 2022; 10:597. [PMID: 36287877 PMCID: PMC9611505 DOI: 10.3390/toxics10100597] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 10/01/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
In the last few decades, microplastics (MPs) have been among the emerging environmental pollutants that have received serious attention from scientists and the general population due to their wide range of potentially harmful effects on living organisms. MPs may originate from primary sources (micro-sized plastics manufactured on purpose) and secondary sources (breakdown of large plastic items through physical, chemical, and biological processes). Consequently, serious concerns are escalating because MPs can be easily disseminated and contaminate environments, including terrestrial, air, groundwater, marine, and freshwater systems. Furthermore, an exposure to even low doses of MPs during the early developmental stage may induce long-term health effects, even later in life. Accordingly, this study aims to gather the current evidence regarding the effects of MPs exposure on vital body systems, including the digestive, reproductive, central nervous, immune, and circulatory systems, during the early developmental stage. In addition, this study provides essential information about the possible emergence of various diseases later in life (i.e., adulthood).
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Affiliation(s)
- Nur Hanisah Amran
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia
| | - Siti Sarah Mohamad Zaid
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia
| | - Mohd Helmy Mokhtar
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Selangor, Malaysia
| | - Latifah Abd Manaf
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia
| | - Shatrah Othman
- Department of Molecular Medicine, Faculty of Medicine, Universiti Malaya, Kuala Lumpur 50603, Selangor, Malaysia
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Thabet NM, Abdel-Rafei MK, Moustafa EM. Boswellic acid protects against Bisphenol-A and gamma radiation induced hepatic steatosis and cardiac remodelling in rats: role of hepatic PPAR-α/P38 and cardiac Calcineurin-A/NFATc1/P38 pathways. Arch Physiol Biochem 2022; 128:767-785. [PMID: 32057248 DOI: 10.1080/13813455.2020.1727526] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bisphenol-A (BPA) and gamma-radiation are two risky environmental pollutants that human beings are exposed to in everyday life and consequently they threaten human health via inducing oxidative stress, inflammation, and eventually tissue damage. This study aims at appraising the protective effect of Boswellic Acid (BA) (250 mg/kg/day, orally) administration on BPA (150 mg/kg/day, i.p) and γ-irradiation (IR) (3 Gy/week for 4 weeks up to cumulative dose of 12 Gy/experimental course) for 4 weeks-induced damage to liver and heart tissues of rats. The present results indicated a significant improvement against damage induced by BPA and IR revealed in biochemical investigations (hepatic PPAR-α/P38 and cardiac ET-1/Calcineurin-A/NFATc1/P38) and histopathological examination of liver and heart. It could be concluded that BA possesses a protective effect against these two deleterious environmental pollutants which attracted major global concerns due to their serious toxicological impact on human health.
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Affiliation(s)
- Noura M Thabet
- Radiation Biology Department National Centre for Radiation Research and Technology (NCRRT), Atomic Energy Authority, Cairo, Egypt
| | - Mohamed K Abdel-Rafei
- Radiation Biology Department National Centre for Radiation Research and Technology (NCRRT), Atomic Energy Authority, Cairo, Egypt
| | - Enas M Moustafa
- Radiation Biology Department National Centre for Radiation Research and Technology (NCRRT), Atomic Energy Authority, Cairo, Egypt
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Ghnenis A, Padmanabhan V, Vyas A. Sexual dimorphism in testosterone programming of cardiomyocyte development in sheep. Am J Physiol Heart Circ Physiol 2022; 322:H607-H621. [PMID: 35119334 PMCID: PMC8957338 DOI: 10.1152/ajpheart.00691.2021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/19/2022] [Accepted: 01/19/2022] [Indexed: 11/22/2022]
Abstract
Perturbed in utero hormone milieu leads to intrauterine growth retardation (IUGR), a known risk factor for left ventricular (LV) dysfunction later in life. Gestational testosterone (T) excess predisposes offspring to IUGR and leads to LV myocardial disarray and hypertension in adult females. However, the early impact of T excess on LV programming and if it is female specific is unknown. LV tissues were obtained at day 90 gestation from days 30-90 T-treated or control fetuses (n = 6/group/sex) and morphometric and molecular analyses were conducted. Gestational T treatment increased cardiomyocyte number only in female fetuses. T excess upregulated receptor expression of insulin and insulin-like growth factor. Furthermore, in a sex-specific manner, T increased expression of phosphatidylinositol 3-kinase (PI3K) while downregulating phosphorylated mammalian target of rapamycin (pmTOR)-to-mTOR ratio suggestive of compensatory response. T excess 1) upregulated atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP), markers of stress and cardiac hypertrophy and 2) upregulated estrogen receptors1 (ESR1) and 2 (ESR2), but not in androgen receptor (AR). Thus, gestational T excess upregulated markers of cardiac stress and hypertrophy in both sexes while inducing cardiomyocyte hyperplasia only in females, likely mediated via insulin and estrogenic programming.NEW & NOTEWORTHY The present study demonstrates sex-specific effects of gestational T excess between days 30 and 90 of gestation on the cardiac phenotype. Furthermore, the sex-specific programming is likely secondary to perturbation in both estrogen and insulin signaling pathways collectively. These findings are supportive of the role of androgen excess to serve as early biomarkers of CVD and could be critical in identifying therapeutic targets for LV hypertrophy and predict long-term CVD.
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Affiliation(s)
- Adel Ghnenis
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan
| | | | - Arpita Vyas
- College of Human Medicine, California Northstate University, Elk Grove, California
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Blaauwendraad SM, Gaillard R, Santos S, Sol CM, Kannan K, Trasande L, Jaddoe VW. Maternal Phthalate and Bisphenol Urine Concentrations during Pregnancy and Early Markers of Arterial Health in Children. ENVIRONMENTAL HEALTH PERSPECTIVES 2022; 130:47007. [PMID: 35471947 PMCID: PMC9041527 DOI: 10.1289/ehp10293] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 04/05/2022] [Accepted: 04/08/2022] [Indexed: 05/19/2023]
Abstract
BACKGROUND Fetal exposure to endocrine-disrupting chemicals such as phthalates and bisphenols might lead to fetal cardiovascular developmental adaptations and predispose individuals to cardiovascular disease in later life. OBJECTIVES We examined the associations of maternal urinary bisphenol and phthalate concentrations in pregnancy with offspring carotid intima-media thickness and distensibility at the age of 10 y. METHODS In a population-based, prospective cohort study of 935 mother-child pairs, we measured maternal urinary phthalate and bisphenol concentrations at each trimester. Later, we measured child carotid intima-media thickness and distensibility in the children at age 10 y using ultrasound. RESULTS Maternal urinary average or trimester-specific phthalate concentrations were not associated with child carotid intima-media thickness at age 10 y. Higher maternal average concentrations of total bisphenol, especially bisphenol A, were associated with a lower carotid intima-media thickness [differences -0.15 standard deviation score and 95% confidence interval (CI): -0.24, -0.09 and -0.13 (95% CI: -0.22, -0.04) per interquartile range (IQR) increase in maternal urinary total bisphenol and bisphenol A concentration]. Trimester-specific analysis showed that higher maternal third-trimester total bisphenol and bisphenol A concentrations were associated with lower child carotid intima-media thickness [differences -0.13 (95% CI: -0.22, -0.04) and -0.13 (95% CI: -0.22, -0.05) per IQR increase in maternal urinary bisphenol concentration]. Maternal urinary bisphenol or phthalate concentrations were not associated with child carotid distensibility. DISCUSSION In this large prospective cohort, higher maternal urinary bisphenols concentrations were associated with smaller childhood carotid intima-media thickness. Further studies are needed to replicate this association and to identify potential underlying mechanisms. https://doi.org/10.1289/EHP10293.
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Affiliation(s)
- Sophia M. Blaauwendraad
- The Generation R Study Group, Erasmus Medical Center (MC), University Medical Center, Rotterdam, Netherlands
- Department of Pediatrics, Erasmus MC, University Medical Center, Rotterdam, Netherlands
| | - Romy Gaillard
- The Generation R Study Group, Erasmus Medical Center (MC), University Medical Center, Rotterdam, Netherlands
- Department of Pediatrics, Erasmus MC, University Medical Center, Rotterdam, Netherlands
| | - Susana Santos
- The Generation R Study Group, Erasmus Medical Center (MC), University Medical Center, Rotterdam, Netherlands
- Department of Pediatrics, Erasmus MC, University Medical Center, Rotterdam, Netherlands
| | - Chalana M. Sol
- The Generation R Study Group, Erasmus Medical Center (MC), University Medical Center, Rotterdam, Netherlands
- Department of Pediatrics, Erasmus MC, University Medical Center, Rotterdam, Netherlands
| | - Kurunthachalam Kannan
- Department of Pediatrics, New York University School of Medicine, New York, New York, USA
- Department of Environmental Medicine, New York University School of Medicine, New York, New York, USA
| | - Leonardo Trasande
- Department of Pediatrics, New York University School of Medicine, New York, New York, USA
- Department of Environmental Medicine, New York University School of Medicine, New York, New York, USA
- Department of Population Health, New York University School of Medicine, New York, New York, USA
- New York University Wagner School of Public Service, New York University, New York, New York, USA
- New York University College of Global Public Health, New York University, New York, New York, USA
| | - Vincent W.V. Jaddoe
- The Generation R Study Group, Erasmus Medical Center (MC), University Medical Center, Rotterdam, Netherlands
- Department of Pediatrics, Erasmus MC, University Medical Center, Rotterdam, Netherlands
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Singh RD, Koshta K, Tiwari R, Khan H, Sharma V, Srivastava V. Developmental Exposure to Endocrine Disrupting Chemicals and Its Impact on Cardio-Metabolic-Renal Health. FRONTIERS IN TOXICOLOGY 2022; 3:663372. [PMID: 35295127 PMCID: PMC8915840 DOI: 10.3389/ftox.2021.663372] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 05/10/2021] [Indexed: 01/12/2023] Open
Abstract
Developmental origin of health and disease postulates that the footprints of early life exposure are followed as an endowment of risk for adult diseases. Epidemiological and experimental evidence suggest that an adverse fetal environment can affect the health of offspring throughout their lifetime. Exposure to endocrine disrupting chemicals (EDCs) during fetal development can affect the hormone system homeostasis, resulting in a broad spectrum of adverse health outcomes. In the present review, we have described the effect of prenatal EDCs exposure on cardio-metabolic-renal health, using the available epidemiological and experimental evidence. We also discuss the potential mechanisms of their action, which include epigenetic changes, hormonal imprinting, loss of energy homeostasis, and metabolic perturbations. The effect of prenatal EDCs exposure on cardio-metabolic-renal health, which is a complex condition of an altered biological landscape, can be further examined in the case of other environmental stressors with a similar mode of action.
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Affiliation(s)
- Radha Dutt Singh
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada
| | - Kavita Koshta
- Systems Toxicology and Health Risk Assessment Group, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research, Lucknow, India.,Academy of Scientific and Innovative Research, New Delhi, India
| | - Ratnakar Tiwari
- Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University Chicago, Chicago, IL, United States
| | - Hafizurrahman Khan
- Systems Toxicology and Health Risk Assessment Group, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research, Lucknow, India
| | - Vineeta Sharma
- Systems Toxicology and Health Risk Assessment Group, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research, Lucknow, India
| | - Vikas Srivastava
- Systems Toxicology and Health Risk Assessment Group, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research, Lucknow, India.,Academy of Scientific and Innovative Research, New Delhi, India
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10
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Robaire B, Delbes G, Head JA, Marlatt VL, Martyniuk CJ, Reynaud S, Trudeau VL, Mennigen JA. A cross-species comparative approach to assessing multi- and transgenerational effects of endocrine disrupting chemicals. ENVIRONMENTAL RESEARCH 2022; 204:112063. [PMID: 34562476 DOI: 10.1016/j.envres.2021.112063] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 06/13/2023]
Abstract
A wide range of chemicals have been identified as endocrine disrupting chemicals (EDCs) in vertebrate species. Most studies of EDCs have focused on exposure of both male and female adults to these chemicals; however, there is clear evidence that EDCs have dramatic effects when mature or developing gametes are exposed, and consequently are associated with in multigenerational and transgenerational effects. Several publications have reviewed such actions of EDCs in subgroups of species, e.g., fish or rodents. In this review, we take a holistic approach synthesizing knowledge of the effects of EDCs across vertebrate species, including fish, anurans, birds, and mammals, and discuss the potential mechanism(s) mediating such multi- and transgenerational effects. We also propose a series of recommendations aimed at moving the field forward in a structured and coherent manner.
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Affiliation(s)
- Bernard Robaire
- Department of Pharmacology and Therapeutics and of Obstetrics and Gynecology, McGill University, Montreal, Canada.
| | - Geraldine Delbes
- Centre Armand Frappier Santé Biotechnologie, Institut National de La Recherche Scientifique (INRS), Laval, QC, Canada
| | - Jessica A Head
- Department of Natural Resource Sciences, Faculty of Agricultural and Environmental Sciences, McGill University, Montreal, Canada
| | - Vicki L Marlatt
- Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Christopher J Martyniuk
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA
| | - Stéphane Reynaud
- Univ. Grenoble-Alpes, Université. Savoie Mont Blanc, CNRS, LECA, Grenoble, 38000, France
| | - Vance L Trudeau
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
| | - Jan A Mennigen
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
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11
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Nagarajan M, Raja B, Manivannan J. Exposure to a "safe" dose of environmental pollutant bisphenol A elevates oxidative stress and modulates vasoactive system in hypertensive rats. Hum Exp Toxicol 2021; 40:S654-S665. [PMID: 34797181 DOI: 10.1177/09603271211053285] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Due to the prevalence of hypertension (one of the major risk factors of CVD) in the population, it is necessary to explore the adverse effects of daily tolerable and "safe" dose of bisphenol A (BPA) under hypertensive conditions. The current study exposed the Nω-nitro-l-arginine methyl ester (L-NAME, 40 mg/kg b.w/day) induced hypertensive Wistar rats to BPA (50 μg/kg b.w/day) by oral administration along with appropriate controls for 30 days period. The results illustrate that a 'safe' dose of BPA does not influence the systolic blood pressure (SBP) and levels of circulatory biomarkers of tissue damage. On the other hand, BPA exposure significantly (p < 0.05) elevates the thiobarbituric acid reactive substances (TBARS) content in plasma and tissues (heart, aorta, liver and kidney) in hypertensive rats when compared with respective control (BPA alone exposed) rats. Similarly, a significant modulation of ROS generation in RBC, plasma nitric oxide (NO) level and angiotensin-converting enzyme (ACE) activity was observed only under hypertensive milieu. In conclusion, the observed adverse effects during 'safe' dose of BPA exposure are specific to the hypertensive condition. Therefore, a precise investigation to explore the effects of BPA exposure in vulnerable hypertensive populations is highly suggested.
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Affiliation(s)
- Manigandan Nagarajan
- Environmental Health and Toxicology Lab, Department of Environmental Sciences, School of Life Sciences, 364343Bharathiar University, Coimbatore, India
| | - Boobalan Raja
- Cardiovascular Biology Lab, Department of Biochemistry and Biotechnology, Faculty of Science, 364050Annamalai University, Chidambaram, India
| | - Jeganathan Manivannan
- Environmental Health and Toxicology Lab, Department of Environmental Sciences, School of Life Sciences, 364343Bharathiar University, Coimbatore, India
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12
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Wu B, Zhao Q, Li Z, Min Z, Shi M, Nie X, He Q, Gui R. Environmental level bisphenol A accelerates alterations of the reno-cardiac axis by the MAPK cascades in male diabetic rats: An analysis based on transcriptomic profiling and bioinformatics. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117671. [PMID: 34435562 DOI: 10.1016/j.envpol.2021.117671] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 06/25/2021] [Accepted: 06/26/2021] [Indexed: 06/13/2023]
Abstract
In humans and animal models, the kidneys and cardiovascular systems are negatively affected by BPA from the environment. It is considered that BPA have some potential estrogen-like and non-hormone-like properties. In this study, RNA-sequencing and its-related bioinformatics was used as the basic strategy to clarify the characteristic mechanisms of kidney-heart axis remodeling and dysfunction in diabetic male rats under BPA exposure. We found that continuous BPA exposure in diabetic rats aggravated renal impairment, and caused hemodynamic disorders and dysfunctions. There were 655 and 125 differentially expressed genes in the kidney and heart, respectively. For the kidneys, functional annotation and enrichment, and gene set enrichment analyses identified bile acid secretion related to lipid synthesis and transport, and MAPK cascade pathways. For the heart, these bioinformatics analyses clearly pointed to MAPKs pathways. A total of 12 genes and another total of 6 genes were identified from the kidney tissue and heart tissue, respectively. Western blotting showed that exposure to BPA activated MAPK cascades in both organs. In this study, the exacerbated remodeling of diabetic kidney-heart axis under BPA exposure and diabetes might occur through hemodynamics, metabolism disorders, and the immune-inflammatory response, as well as continuous estrogen-like stimulation, with focus on the MAPK cascades.
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Affiliation(s)
- Bin Wu
- Department of Blood Transfusion, The Third Xiangya Hospital, Central South University, Changsha, China; Wuhan Hospital of Traditional Chinese and Western Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Department of Physiology, Pathophysiology, Pharmacology and Toxicology (Laboratory of Physiological Science), Hubei University of Arts and Science, Xiangyang, China
| | - Qiangqiang Zhao
- Department of Blood Transfusion, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zuoneng Li
- Institute of Environment Health and Food Safety, Wuhan Center for Diseases Control and Prevention, Wuhan, China
| | - Zhiteng Min
- Department of Occupational Health, Wuhan Center for Diseases Control and Prevention, Wuhan, China; Key Laboratory of Occupational Hazard Identification and Control of Hubei Province, Wuhan University of Science and Technology, Wuhan, China
| | - Mengdie Shi
- Institute of Environment Health and Food Safety, Wuhan Center for Diseases Control and Prevention, Wuhan, China
| | - Xinmin Nie
- Department of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Qingnan He
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Rong Gui
- Department of Blood Transfusion, The Third Xiangya Hospital, Central South University, Changsha, China.
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13
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Zulkifli S, Rahman AA, Kadir SHSA, Nor NSM. Bisphenol A and its effects on the systemic organs of children. Eur J Pediatr 2021; 180:3111-3127. [PMID: 33893858 DOI: 10.1007/s00431-021-04085-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/12/2021] [Accepted: 04/18/2021] [Indexed: 02/06/2023]
Abstract
For the past two decades, growing research has been pointing to multiple repercussions of bisphenol A (BPA) exposure to human health. BPA is a synthetic oestrogen which primarily targets the endocrine system; however, the compound also disturbs other systemic organ functions, in which the magnitude of impacts in those other systems is as comparable to those in the endocrine system. To date, the discoveries on the association between BPA and health outcomes mainly came from animal and in vitro studies, with limited human studies which emphasised on children's health. In this comprehensive review, we summarised studies on human, in vivo and in vitro models to understand the consequences of pre-, post- and perinatal BPA exposure on the perinatal, children and adult health, encompassing cardiovascular, neurodevelopmental, endocrine and reproductive effects.Conclusion: Evidence from in vitro and animal studies may provide further support and better understanding on the correlation between environmental BPA exposure and its detrimental effects in humans and child development, despite the difficulties to draw direct causal relations of BPA effects on the pathophysiology of the diseases/syndromes in children, due to differences in body system complexity between children and adults, as well as between animal and in vitro models and humans. What is known: • Very limited reviews are available on how BPA adversely affects children's health. • Previous papers mainly covered two systems in children. What is new: • Comprehensive review on the detrimental effects of BPA on children health outcomes, including expectations on adult health outcomes following perinatal BPA exposure, as well as covering a small part of BPA alternatives. • Essentially, BPA exposure during pregnancy has huge impacts on the foetus in which it may cause changes in foetal epigenetic programming, resulting in disease onsets during childhood as well as adulthood.
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Affiliation(s)
- Sarah Zulkifli
- Institute of Medical Molecular Biotechnology, Universiti Teknologi MARA (UiTM), Cawangan Selangor, Kampus Sungai Buloh, Jalan Hospital, 47000, Sungai Buloh, Malaysia
| | - Amirah Abdul Rahman
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, Kampus Sungai Buloh, Jalan Hospital, 47000, Sungai Buloh, Malaysia
| | - Siti Hamimah Sheikh Abdul Kadir
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, Kampus Sungai Buloh, Jalan Hospital, 47000, Sungai Buloh, Malaysia.,Institute for Pathology, Laboratory and Forensic Medicine (I-PPerForM), Universiti Teknologi MARA (UiTM), Cawangan Selangor, Kampus Sungai Buloh, Jalan Hospital, 47000, Sungai Buloh, Malaysia
| | - Noor Shafina Mohd Nor
- Institute for Pathology, Laboratory and Forensic Medicine (I-PPerForM), Universiti Teknologi MARA (UiTM), Cawangan Selangor, Kampus Sungai Buloh, Jalan Hospital, 47000, Sungai Buloh, Malaysia. .,Department of Paediatrics, Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, Kampus Sungai Buloh, Jalan Hospital, 47000, Sungai Buloh, Malaysia.
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14
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Escarda-Castro E, Herráez MP, Lombó M. Effects of bisphenol A exposure during cardiac cell differentiation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 286:117567. [PMID: 34126515 DOI: 10.1016/j.envpol.2021.117567] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/21/2021] [Accepted: 06/06/2021] [Indexed: 06/12/2023]
Abstract
Heart development requires a precise temporal regulation of gene expression in cardiomyoblasts. Therefore, the transcriptional changes in differentiating cells can lead to congenital heart diseases. Although the genetic mutations underlie most of these alterations, exposure to environmental contaminants, such as bisphenol A (BPA), has been recently considered as a risk factor as well. In this study we investigated the genotoxic and epigenotoxic effects of BPA throughout cardiomyocyte differentiation. H9c2 cells (rat myoblasts) were exposed to 10 and 30 μM BPA before and during the last two days of cardiac-driven differentiation. Then, we have analysed the phenotypic and molecular modifications (at transcriptional, genetic and epigenetic level). The results showed that treated myoblasts developed a skeletal muscle cell-like phenotype. The transcriptional changes induced by BPA in genes codifying proteins involved in heart differentiation and function depend on the window of exposure to BPA. The exposure before differentiation repressed the expression of heart transcription factors (Hand2 and Gata4), whereas exposure during differentiation reduced the expression of cardiac-specific genes (Tnnt2, Myom2, Sln, and Atp2a1). Additionally, significant effects were observed regarding DNA damage and histone acetylation levels after the two periods of BPA exposure: in cells exposed to the toxicant the percentage of DNA repair foci (formed by the co-localization of γH2AX and 53BP1) increased in a dose-dependent manner, whereas the treatment with the toxicant triggered a decrease in the epigenetic marks H3K9ac and H3K27ac. Our in vitro results reveal that BPA seriously interferes with the process of cardiomyocyte differentiation, which could be related to the reported in vivo effects of this toxicant on cardiogenesis.
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Affiliation(s)
- Enrique Escarda-Castro
- MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, the Netherlands
| | - María Paz Herráez
- Department of Molecular Biology, Faculty of Biology, University of León, Campus Vegazana s/n, León, 24071, Spain
| | - Marta Lombó
- Department of Animal Reproduction, INIA, Av. Puerta de Hierro, 18, Madrid, Spain.
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15
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Makowska K, Gonkowski S. Changes Caused by Low Doses of Bisphenol A (BPA) in the Neuro-Chemistry of Nerves Located in the Porcine Heart. Animals (Basel) 2021; 11:ani11030780. [PMID: 33799766 PMCID: PMC7999793 DOI: 10.3390/ani11030780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/07/2021] [Accepted: 03/08/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Bisphenol A (BPA) is a substance commonly used in the plastics industry, which is a part of many everyday items. It may leach from plastics and penetrate food, water, soil and air. It is known that BPA negatively affects living organisms. It impairs the functions of the intestine, neurons, reproductive organs, endocrine glands and immune cells. Previous studies have also reported that BPA negatively influences the cardiovascular system, leading to heart arrhythmia, intensification of atherosclerosis, blood hypertension and increased risk of a heart attack. However, many aspects of the influence of BPA on the heart are still poorly understood. One of these aspects is the BPA impact on heart innervation. Therefore, this article aimed to investigate the influence of low doses of BPA on the number of nerves containing selected active substances taking part in neuronal stimuli conduction located in the porcine heart apex. The results indicate that even relatively low doses of BPA are not neutral to the cardiovascular system, because they affect the neurochemical characterization of nerves in the heart. These changes may underlie the negative effects of BPA on the heart. Abstract Bisphenol A (BPA) contained in plastics used in the production of various everyday objects may leach from these items and contaminate food, water and air. As an endocrine disruptor, BPA negatively affects many internal organs and systems. Exposure to BPA also contributes to heart and cardiovascular system dysfunction, but many aspects connected with this activity remain unknown. Therefore, this study aimed to investigate the impact of BPA in a dose of 0.05 mg/kg body weight/day (in many countries such a dose is regarded as a tolerable daily intake–TDI dose of BPA–completely safe for living organisms) on the neurochemical characterization of nerves located in the heart wall using the immunofluorescence technique. The obtained results indicate that BPA (even in such a relatively low dose) increases the number of nerves immunoreactive to neuropeptide Y, substance P and tyrosine hydroxylase (used here as a marker of sympathetic innervation). However, BPA did not change the number of nerves immunoreactive to vesicular acetylcholine transporter (used here as a marker of cholinergic structures). These observations suggest that changes in the heart innervation may be at the root of BPA-induced circulatory disturbances, as well as arrhythmogenic and/or proinflammatory effects of this endocrine disruptor. Moreover, changes in the neurochemical characterization of nerves in the heart wall may be the first sign of exposure to BPA.
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Affiliation(s)
- Krystyna Makowska
- Department of Clinical Diagnostics, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 14, 10-957 Olsztyn, Poland
- Correspondence: ; Tel.: +48-44895234460
| | - Slawomir Gonkowski
- Department of Clinical Physiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, 10-957 Olsztyn, Poland;
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16
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vom Saal FS, Vandenberg LN. Update on the Health Effects of Bisphenol A: Overwhelming Evidence of Harm. Endocrinology 2021; 162:6124507. [PMID: 33516155 PMCID: PMC7846099 DOI: 10.1210/endocr/bqaa171] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Indexed: 12/14/2022]
Abstract
In 1997, the first in vivo bisphenol A (BPA) study by endocrinologists reported that feeding BPA to pregnant mice induced adverse reproductive effects in male offspring at the low dose of 2 µg/kg/day. Since then, thousands of studies have reported adverse effects in animals administered low doses of BPA. Despite more than 100 epidemiological studies suggesting associations between BPA and disease/dysfunction also reported in animal studies, regulatory agencies continue to assert that BPA exposures are safe. To address this disagreement, the CLARITY-BPA study was designed to evaluate traditional endpoints of toxicity and modern hypothesis-driven, disease-relevant outcomes in the same set of animals. A wide range of adverse effects was reported in both the toxicity and the mechanistic endpoints at the lowest dose tested (2.5 µg/kg/day), leading independent experts to call for the lowest observed adverse effect level (LOAEL) to be dropped 20 000-fold from the current outdated LOAEL of 50 000 µg/kg/day. Despite criticism by members of the Endocrine Society that the Food and Drug Administration (FDA)'s assumptions violate basic principles of endocrinology, the FDA rejected all low-dose data as not biologically plausible. Their decisions rely on 4 incorrect assumptions: dose responses must be monotonic, there exists a threshold below which there are no effects, both sexes must respond similarly, and only toxicological guideline studies are valid. This review details more than 20 years of BPA studies and addresses the divide that exists between regulatory approaches and endocrine science. Ultimately, CLARITY-BPA has shed light on why traditional methods of evaluating toxicity are insufficient to evaluate endocrine disrupting chemicals.
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Affiliation(s)
- Frederick S vom Saal
- University of Missouri – Columbia, Division of Biological Sciences, Columbia, Missouri
- Correspondence: Dr. Frederick vom Saal, University of Missouri-Columbia, Division of Biological Sciences, 105 Lefevre Hall, Columbia, MO, 65211, USA. E-mail:
| | - Laura N Vandenberg
- University of Massachusetts – Amherst, Department of Environmental Health Sciences, Amherst, Massachusetts
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17
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Paternal Inheritance of Bisphenol A Cardiotoxic Effects: The Implications of Sperm Epigenome. Int J Mol Sci 2021; 22:ijms22042125. [PMID: 33672782 PMCID: PMC7924642 DOI: 10.3390/ijms22042125] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/10/2021] [Accepted: 02/18/2021] [Indexed: 12/13/2022] Open
Abstract
Parental exposure to bisphenol A (BPA) has been linked to a greater incidence of congenital diseases. We have demonstrated that BPA induces in zebrafish males an increase in the acetylation of sperm histones that is transmitted to the blastomeres of the unexposed progeny. This work is aimed to determine whether histone hyperacetylation promoted by paternal exposure to BPA is the molecular mechanism underlying the cardiogenesis impairment in the descendants. Zebrafish males were exposed to 100 and 2000 µg/L BPA during early spermatogenesis and mated with non-exposed females. We analyzed in the progeny the expression of genes involved in cardiogenesis and the epigenetic profile. Once the histone hyperacetylation was confirmed, treatment with epigallocatechin gallate (EGCG), an inhibitor of histone acetyltransferases, was assayed on F1 embryos. Embryos from males exposed to 2000 µg/L BPA overexpressed the transcription factor hand2 and the receptor esr2b, showing their own promoters—as well as that of kat6a—an enrichment in H3K9ac. In embryos treated with EGCG, both gene expression and histone acetylation (global and specific) returned to basal levels, and the phenotype was recovered. As shown by the results, the histone hyperacetylated landscape promoted by BPA in the sperm alters the chromatin structure of the progeny, leading to the overexpression of the histone acetyltransferase and genes involved in cardiogenesis.
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18
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Szymańska K, Makowska K, Całka J, Gonkowski S. The Endocrine Disruptor Bisphenol A (BPA) Affects the Enteric Neurons Immunoreactive to Neuregulin 1 (NRG1) in the Enteric Nervous System of the Porcine Large Intestine. Int J Mol Sci 2020; 21:E8743. [PMID: 33228092 PMCID: PMC7699376 DOI: 10.3390/ijms21228743] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/08/2020] [Accepted: 11/16/2020] [Indexed: 12/19/2022] Open
Abstract
The enteric nervous system (ENS), located in the wall of the gastrointestinal (GI) tract, is characterized by complex organization and a high degree of neurochemical diversity of neurons. One of the less known active neuronal substances found in the enteric neurons is neuregulin 1 (NRG1), a factor known to be involved in the assurance of normal development of the nervous system. During the study, made up using the double immunofluorescence technique, the presence of NRG1 in the ENS of the selected segment of porcine large intestine (caecum, ascending and descending colon) was observed in physiological conditions, as well as under the impact of low and high doses of bisphenol A (BPA) which is commonly used in the production of plastics. In control animals in all types of the enteric plexuses, the percentage of NRG1-positive neurons oscillated around 20% of all neurons. The administration of BPA caused an increase in the number of NRG1-positive neurons in all types of the enteric plexuses and in all segments of the large intestine studied. The most visible changes were noted in the inner submucous plexus of the ascending colon, where in animals treated with high doses of BPA, the percentage of NRG1-positive neurons amounted to above 45% of all neuronal cells. The mechanisms of observed changes are not entirely clear, but probably result from neurotoxic, neurodegenerative and/or proinflammatory activity of BPA and are protective and adaptive in nature.
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Affiliation(s)
- Kamila Szymańska
- Department of Human Physiology and Pathophysiology, School of Medicine, Collegium Medicum, University of Warmia and Mazury in Olsztyn, Warszawska Str. 30, 10-082 Olsztyn, Poland
| | - Krystyna Makowska
- Department of Clinical Diagnostics, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego Str. 13, 10-719 Olsztyn, Poland;
| | - Jarosław Całka
- Department of Clinical Physiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego Str. 13, 10-719 Olsztyn, Poland; (J.C.); (S.G.)
| | - Sławomir Gonkowski
- Department of Clinical Physiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego Str. 13, 10-719 Olsztyn, Poland; (J.C.); (S.G.)
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19
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Ramadan M, Cooper B, Posnack NG. Bisphenols and phthalates: Plastic chemical exposures can contribute to adverse cardiovascular health outcomes. Birth Defects Res 2020; 112:1362-1385. [PMID: 32691967 DOI: 10.1002/bdr2.1752] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 06/10/2020] [Indexed: 12/18/2022]
Abstract
Phthalates and bisphenols are high production volume chemicals that are used in the manufacturing of consumer and medical products. Given the ubiquity of bisphenol and phthalate chemicals in the environment, biomonitoring studies routinely detect these chemicals in 75-90% of the general population. Accumulating evidence suggests that such chemical exposures may influence human health outcomes, including cardiovascular health. These associations are particularly worrisome for sensitive populations, including fetal, infant and pediatric groups-with underdeveloped metabolic capabilities and developing organ systems. In the presented article, we aimed to review the literature on environmental and clinical exposures to bisphenols and phthalates, highlight experimental work that suggests that these chemicals may exert a negative influence on cardiovascular health, and emphasize areas of concern that relate to vulnerable pediatric groups. Gaps in our current knowledge are also discussed, so that future endeavors may resolve the relationship between chemical exposures and the impact on pediatric cardiovascular physiology.
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Affiliation(s)
- Manelle Ramadan
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Hospital, Washington, District of Columbia, USA.,Children's National Heart Institute, Children's National Hospital, Washington, District of Columbia, USA
| | - Blake Cooper
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Hospital, Washington, District of Columbia, USA
| | - Nikki Gillum Posnack
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Hospital, Washington, District of Columbia, USA.,Children's National Heart Institute, Children's National Hospital, Washington, District of Columbia, USA.,Department of Pediatrics, George Washington University, School of Medicine, Washington, District of Columbia, USA.,Department of Pharmacology & Physiology, George Washington University, School of Medicine, Washington, District of Columbia, USA
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20
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Zhang YF, Shan C, Wang Y, Qian LL, Jia DD, Zhang YF, Hao XD, Xu HM. Cardiovascular toxicity and mechanism of bisphenol A and emerging risk of bisphenol S. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 723:137952. [PMID: 32213405 DOI: 10.1016/j.scitotenv.2020.137952] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/24/2020] [Accepted: 03/13/2020] [Indexed: 05/20/2023]
Abstract
Epidemiological and animal studies indicate that increased exposure to bisphenol A (BPA) induces various human cardiovascular diseases (CVDs), including myocardial infarction, arrhythmias, dilated cardiomyopathy, atherosclerosis, and hypertension. Bisphenol S (BPS), an alternative to BPA, is increasingly present in various consumer products and human bodies worldwide. Recently, emerging evidence has shown that BPS might be related to cardiovascular disorders. In this review, we present striking evidence of the correlation between BPA exposure and various CVDs, and show that a nonmonotonic dose-response curve (NMDRC) was common in studies of the CV effects of BPA in vivo. The CV impairment induced by low doses of BPA should be highlighted, especially during developmental exposure or during coexposure with other risk factors. Furthermore, we explored the possible underlying mechanisms of these effects-particularly nuclear receptor signaling, ion channels, and epigenetic mechanisms-and the possible participation of lipid metabolism, oxidative stress and cell signaling. As the potential risks of BPA exposure in humans are still noteworthy, studies of BPA in CVDs should be strengthened, especially with respect to the mechanisms, prevention and treatment. Moreover, the potential CV risk of BPS reported by in vivo studies calls for immediate epidemiological investigations and animal studies to reveal the relationships of BPS and other BPA alternatives with human CVDs.
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Affiliation(s)
- Yin-Feng Zhang
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China.
| | - Chan Shan
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Yu Wang
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Li-Li Qian
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Dong-Dong Jia
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Yi-Fei Zhang
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Xiao-Dan Hao
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Hai-Ming Xu
- Department of Occupational and Environmental Medicine, School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
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21
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Sol CM, Santos S, Asimakopoulos AG, Martinez-Moral MP, Duijts L, Kannan K, Trasande L, Jaddoe VWV. Associations of maternal phthalate and bisphenol urine concentrations during pregnancy with childhood blood pressure in a population-based prospective cohort study. ENVIRONMENT INTERNATIONAL 2020; 138:105677. [PMID: 32220816 PMCID: PMC7354351 DOI: 10.1016/j.envint.2020.105677] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 03/12/2020] [Accepted: 03/18/2020] [Indexed: 05/21/2023]
Abstract
OBJECTIVES Fetal exposure to phthalates and bisphenols may lead to vascular developmental adaptations, which program later cardiovascular disease. We examined the associations of fetal exposure to phthalates and bisphenols with childhood blood pressure. METHODS In a population-based, prospective cohort study among 1,064 mother-child pairs, we measured maternal urine phthalate and bisphenol concentrations in first, second and third trimester of pregnancy. We measured childhood blood pressure at the mean age of 9.7 years (standard deviation 0.2 years) old. Analyses were performed for the total group, and for boys and girls separately. RESULTS Maternal urine phthalate concentrations were not associated with childhood blood pressure among boys. Higher third trimester maternal urine concentrations of high molecular weight phthalates (HMWP), di-2-ehtylhexylphthalate (DEHP) and di-n-octylphthalate (DNOP) were associated with lower systolic and diastolic blood pressure among girls (p-values < 0.01). Also, higher second trimester maternal urine total bisphenol and bisphenol A concentrations were associated with higher systolic blood pressure among boys (p values < 0.01), but tended to be associated with a lower diastolic blood pressure among girls. CONCLUSIONS Our results suggest sex-dependent associations of maternal urine phthalate and bisphenol concentrations during pregnancy with childhood blood pressure. Further studies are needed to explore the underlying mechanisms and long term consequences.
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Affiliation(s)
- Chalana M Sol
- The Generation R Study Group, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Paediatrics, Erasmus MC - Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Susana Santos
- The Generation R Study Group, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Paediatrics, Erasmus MC - Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Alexandros G Asimakopoulos
- Wadsworth Center, New York State Department of Health, and Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Albany, NY 12201, USA; Department of Chemistry, the Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Maria-Pilar Martinez-Moral
- Wadsworth Center, New York State Department of Health, and Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Albany, NY 12201, USA
| | - Liesbeth Duijts
- The Generation R Study Group, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Paediatrics, Erasmus MC - Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Kurunthachalam Kannan
- Wadsworth Center, New York State Department of Health, and Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Albany, NY 12201, USA; Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Leonardo Trasande
- Department of Paediatrics, New York University School of Medicine, New York City, NY 10016, USA; Department of Environmental Medicine, New York University School of Medicine, New York City, NY 10016, USA; Department of Population Health, New York University School of Medicine, New York City, NY, USA; New York University Wagner School of Public Service, New York City, NY 10016, USA; New York University College of Global Public Health, New York City, NY 10016, USA
| | - Vincent W V Jaddoe
- The Generation R Study Group, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Paediatrics, Erasmus MC - Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, the Netherlands.
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22
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Rasdi Z, Kamaludin R, Ab Rahim S, Syed Ahmad Fuad SB, Othman MHD, Siran R, Mohd Nor NS, Abdul Hamid Hasani N, Sheikh Abdul Kadir SH. The impacts of intrauterine Bisphenol A exposure on pregnancy and expression of miRNAs related to heart development and diseases in animal model. Sci Rep 2020; 10:5882. [PMID: 32246001 PMCID: PMC7125099 DOI: 10.1038/s41598-020-62420-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 03/11/2020] [Indexed: 12/21/2022] Open
Abstract
This study aimed to examine the impact of BPA exposure on pregnancy and foetuses on cardiac tissues and the expression of cardiac microRNAs (miRNAs) related to heart development and diseases. Pregnancy is known to be the "critical windows" in determining the offspring physical and cells development in their life after birth. The increment of the risk of cardiovascular disease (CVD) in a later stage of life has been reported by few studies demonstrated from prenatal exposure of BPA. BPA has been shown to alter miRNAs expression profiles for organ development, regeneration and metabolic functions. These alterations have been associated with the risk of CVDs. However, the associations between pregnancy outcomes and miRNAs expression in cardiac of mother- and foetuses-exposed to BPA are still not entirely explored. In BPA-exposed pregnant rat groups, a significant weight gained was observed in comparison to control (p < 0.05). Interestingly, significant changes in systolic and diastolic blood pressure between the first and third trimester of BPA-exposed pregnant rats were also observed (p < 0.05). In BPA-exposed pregnant rats, miR-499-5p was significantly altered in the heart (p < 0.01). Meanwhile, altered miR-17-5p, -208-3p, and -210-3p expressions were observed in all heart of the foetuses from BPA-exposed pregnant rats (p < 0.05). In H&E staining, BPA-exposed foetal hearts showed a sign of fibrosis while BPA-exposed pregnant rats showed muscle remnant. Masson trichrome staining further confirmed the presence of fibrosis observed in BPA-exposed foetal heart and reduced expression of cardiac troponin I (cTnI) was also observed in BPA-exposed foetal heart. In summary, altered cardiac miRNAs with histological changes were observed in both mother- and foetus-exposed BPA These findings put forward the importance of future work to further understand how prenatal BPA exposure affect foetuses in their later stage of life.
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Affiliation(s)
- Zatilfarihiah Rasdi
- Institute of Medical Molecular Biotechnology, Faculty of Medicine, Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia
- Centre of Preclinical Sciences Studies, Faculty of Dentistry, Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia
| | - Roziana Kamaludin
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Sharaniza Ab Rahim
- Faculty of Medicine, Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia
| | | | - Mohd Hafiz Dzarfan Othman
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia.
| | - Rosfaiizah Siran
- Faculty of Medicine, Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia
| | - Noor Shafina Mohd Nor
- Faculty of Medicine, Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia
- Institute for Pathology, Laboratory and Forensic Medicine (I-PPerForM), Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia
| | - Narimah Abdul Hamid Hasani
- Faculty of Medicine, Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia
| | - Siti Hamimah Sheikh Abdul Kadir
- Institute of Medical Molecular Biotechnology, Faculty of Medicine, Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia.
- Faculty of Medicine, Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia.
- Institute for Pathology, Laboratory and Forensic Medicine (I-PPerForM), Universiti Teknologi MARA, Cawangan Selangor, 47000, Sungai Buloh, Selangor, Malaysia.
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23
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Abstract
PURPOSE OF REVIEW Cardiovascular disease (CVD) is a non-subsiding disease that remains a leading cause of morbidity and mortality. CVD has been associated with endocrine disruptors, such as bisphenol A (BPA). This review critically summarizes existing findings on BPA and hypertension, with particular attention to genomic, non-genomic, molecular, and cellular mechanisms of action that render BPA as a cardiovascular estrogenic disruptor. RECENT FINDINGS Owing to its similar estrogenic structure, BPA has been shown to affect various phenotypes that are regulated by the natural hormone, estrogen. Indeed, BPA has been shown to interact with estrogen receptors, located both in the cell membrane and in the cytoplasm/nucleus. Given that estrogen plays an important role in cardiovascular physiology, a contributing role for BPA in CVD would not be unexpected. Existing literature, though limited, established BPA as a source of disruption in cardiovascular health, particularly hypertension. However, effects of BPA are largely dependent on the dose, patient gender, tissue, and developmental stage of the exposed tissue/organ. Accumulating evidence argues for an adverse effect of BPA on blood pressure, with this effect being gender, dose, and time specific. Thus, comprehensive studies which take these factors and other parameters, like epigenetic factors, into account are warranted before a thorough understanding is at hand.
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24
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Hung PH, Van Winkle LS, Williams CJ, Hunt PA, VandeVoort CA. Prenatal Bisphenol A Exposure Alters Epithelial Cell Composition in the Rhesus Macaque Fetal Oviduct. Toxicol Sci 2020; 167:450-457. [PMID: 30295897 DOI: 10.1093/toxsci/kfy251] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Bisphenol A (BPA) is an endocrine disrupting compound that is a pervasive environmental contaminant. Although it has been reported to affect the development of a variety of fetal reproductive tissues, data on the effect of fetal BPA exposure on oviducts were extremely limited and were only available in mice. To determine if there are adverse effects of gestational BPA exposure on fetal oviduct, we exposed pregnant rhesus macaques with female fetuses to oral or nonoral BPA during the last trimester of gestation (day 100 to term). After the treatment, fetal oviducts were collected for morphology evaluation. BPA exposure altered the percentages of different cell types (ciliated, nonciliated, and secretory) in the fetal oviduct and resulted in a significant high ciliated cell population in the BPA-exposed fetal oviduct. The distribution of ciliated cells on the epithelium in the BPA-exposed fetal oviduct was also altered. Gestational BPA exposure reduced the expression of mucosubstance and uteroglobin in secretory cells in the fetal oviduct. A comparison of the outcome of the fetal oviduct studies with similar outcomes previously reported in the lung from the same fetuses demonstrates that BPA exhibits opposite effects in these two organs. In conclusion, the BPA-associated alterations in the fetal oviduct could potentially affect the oviduct morphology and function later in life with a negative impact on fertility. The mechanisms of action of the differential response in the oviduct and the lung to BPA exposure require further investigation.
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Affiliation(s)
- Pei-Hsuan Hung
- California National Primate Research Center, University of California.,Department of Obstetrics and Gynecology, School of Medicine
| | - Laura S Van Winkle
- Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine.,Center for Health and the Environment, University of California, Davis, California 95616
| | - Carmen J Williams
- Reproductive Medicine Group, Reproductive & Developmental Biology Laboratory, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, North Carolina 27709
| | - Patricia A Hunt
- School of Molecular Biosciences, Washington State University, Pullman, Washington 99164
| | - Catherine A VandeVoort
- California National Primate Research Center, University of California.,Department of Obstetrics and Gynecology, School of Medicine
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25
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Lombó M, González-Rojo S, Fernández-Díez C, Herráez MP. Cardiogenesis impairment promoted by bisphenol A exposure is successfully counteracted by epigallocatechin gallate. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 246:1008-1019. [PMID: 31126002 DOI: 10.1016/j.envpol.2019.01.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 12/11/2018] [Accepted: 01/02/2019] [Indexed: 05/18/2023]
Abstract
Exposure to the emerging contaminant bisphenol A (BPA) is ubiquitous and associated with cardiovascular disorders. BPA effect as endocrine disruptor is widely known but other mechanisms underlying heart disease, such as epigenetic modifications, remain still unclear. A compound of green tea, epigallocatechin gallate (EGCG), may act both as anti-estrogen and as inhibitor of some epigenetic enzymes. The aims of this study were to analyze the molecular processes related to BPA impairment of heart development and to prove the potential ability of EGCG to neutralize the toxic effects caused by BPA on cardiac health. Zebrafish embryos were exposed to 2000 and 4000 μg/L BPA and treated with 50 and 100 μM EGCG. Heart malformations were assessed at histological level and by confocal imaging. Expression of genes involved in cardiac development, estrogen receptors and epigenetic enzymes was analyzed by qPCR whereas epigenetic modifications were evaluated by whole mount immunostaining. BPA embryonic exposure led to changes in cardiac phenotype, induced an overexpression of hand2, a crucial factor for cardiomyocyte differentiation, increased the expression of estrogen receptor (esr2b), promoted an overexpression of a histone acetyltransferase (kat6a) and also caused an increase in histone acetylation, both mechanisms being able to act in sinergy. EGCG treatment neutralized all the molecular alterations caused by BPA, allowing the embryos to go on with a proper heart development. Both molecular mechanisms of BPA action (estrogenic and epigenetic) likely lying behind cardiogenesis impairment were successfully counteracted by EGCG treatment.
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Affiliation(s)
- Marta Lombó
- Department of Molecular Biology, Faculty of Biology and Environmental Sciences, Universidad de León, Campus de Vegazana, León, 24071, Spain
| | - Silvia González-Rojo
- Department of Molecular Biology, Faculty of Biology and Environmental Sciences, Universidad de León, Campus de Vegazana, León, 24071, Spain
| | - Cristina Fernández-Díez
- Department of Molecular Biology, Faculty of Biology and Environmental Sciences, Universidad de León, Campus de Vegazana, León, 24071, Spain
| | - María Paz Herráez
- Department of Molecular Biology, Faculty of Biology and Environmental Sciences, Universidad de León, Campus de Vegazana, León, 24071, Spain.
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26
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Lite C, Ahmed SSSJ, Santosh W, Seetharaman B. Prenatal exposure to bisphenol-A altered miRNA-224 and protein expression of aromatase in ovarian granulosa cells concomitant with elevated serum estradiol levels in F 1 adult offspring. J Biochem Mol Toxicol 2019; 33:e22317. [PMID: 30817060 DOI: 10.1002/jbt.22317] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 01/31/2019] [Accepted: 02/12/2019] [Indexed: 12/22/2022]
Abstract
This study was aimed to predict bisphenol-A (BPA)-responsive miRNA's using an in silico approach and to study their expression in granulosa cells of animals exposed prenatally to BPA. Pregnant Wistar rats were exposed to BPA through water (25 μg/L, 250 μg/L, and 2.5 mg/L) during gestation. The expression of miRNA-133b, miRNA-378 and miRNA-224 were analyzed in ovarian granulosa cells. BPA affected the postnatal developmental landmarks such as weight of the pups at birth and reduced anogenital distance. BPA exposed animals showed elevated serum estradiol (E2) levels, while follicle-stimulating hormone levels were reduced. The expression of miRNA-224 and aromatase protein levels were found to be increased. This preliminary finding reveals the impact of early life exposure to BPA on the long-term ovarian functions that may be mediated through miRNA-based granulosa cell response. Besides, it is also a compelling indicator for the subclinical response that could have important consequences on female fertility.
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Affiliation(s)
- Christy Lite
- Endocrine Disruption and Reproductive Toxicology (EDART) Laboratory, SRM Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - Sheik S S J Ahmed
- Department of Computational Biology, Chettinad Academy of Research and Education, Chennai, Tamil Nadu, India
| | - Winkins Santosh
- Endocrine Disruption and Reproductive Toxicology (EDART) Laboratory, SRM Institute of Science and Technology, Chennai, Tamil Nadu, India.,P.G. Research Departments of Advanced Zoology & Biotechnology, Government College for Men, Chennai, Tamil Nadu, India
| | - Barathi Seetharaman
- Endocrine Disruption and Reproductive Toxicology (EDART) Laboratory, SRM Institute of Science and Technology, Chennai, Tamil Nadu, India
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27
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Bahey NG, Abd Elaziz HO, Elsayed Gadalla KK. Potential Toxic Effect of Bisphenol A on the Cardiac Muscle of Adult Rat and the Possible Protective Effect of Omega-3: A Histological and Immunohistochemical Study. J Microsc Ultrastruct 2019; 7:1-8. [PMID: 31008050 PMCID: PMC6442328 DOI: 10.4103/jmau.jmau_53_18] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Bisphenol A (BPA) is intensely used in the production of polycarbonate plastics and epoxy resins. Recently, BPA has been receiving increased attention due to its link to various health problems that develop after direct or indirect human exposure. Previous studies have shown the harmful effect of high doses of BPA; however, the effect of small doses of BPA on disease development is controversial. The aim of this study was to investigate the effect of a low dose of BPA on the rat myocardium and to explore the outcome of coadministration of Omega-3 fatty acid (FA). Thirty adult male rats were divided equally into control group, BPA-treated group (1.2 mg/kg/day, intraperitoneally for 3 weeks), and BPA and Omega-3-treated group (received BPA as before plus Omega-3 at a daily dose of 300 mg/kg/day orally) for 3 weeks. Exposure to BPA resulted in structural anomalies in the rat myocardium in the form of disarrangement of myofibers, hypertrophy of myocytes, myocardial fibrosis, and dilatation of intramyocardial arterioles. On the other hand, mast cell density and media-to-lumen area ratio were not significantly altered. Interestingly, concomitant administration of Omega-3 FAs with BPA significantly reduced BPA-induced changes and provided a protective effect to the myocardium. In conclusion, exposure to a low dose of BPA could potentially lead to pathological alterations in the myocardium, which could be prevented by administration of Omega-3 FA.
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Affiliation(s)
- Noha Gamal Bahey
- Department of Histology and Cell Biology, Faculty of Medicine, Tanta University, Egypt
| | | | - Kamal Kamal Elsayed Gadalla
- Department of Pharmacology, Faculty of Medicine, Tanta University, Egypt.,Center for Discovery Brain Science, Edinburgh University, United Kingdom
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28
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Kabir MH, Djordjevic D, O'Connor MD, Ho JWK. C3: An R package for cross-species compendium-based cell-type identification. Comput Biol Chem 2018; 77:187-192. [PMID: 30340080 DOI: 10.1016/j.compbiolchem.2018.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 08/29/2018] [Accepted: 10/04/2018] [Indexed: 01/19/2023]
Abstract
Cell type identification from an unknown sample can often be done by comparing its gene expression profile against a gene expression database containing profiles of a large number of cell-types. This type of compendium-based cell-type identification strategy is particularly successful for human and mouse samples because a large volume of data exists for these organisms. However, such rich data repositories often do not exist for most non-model organisms. This makes transcriptome-based sample classification in these species challenging. We propose to overcome this challenge by performing a cross-species compendium comparison. The key is to utilise a recently published cross-species gene set analysis (XGSA) framework to correct for biases that may arise due to potentially complex homologous gene mapping between two species. The framework is implemented as an open source R package called C3. We have evaluated the performance of C3 using a variety of public data in NCBI Gene Expression Omnibus. We also compared the functionality and performance of C3 against some similar gene expression profile matching tools. Our evaluation shows that C3 is a simple and effective method for cell type identification. C3 is available at https://github.com/VCCRI/C3.
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Affiliation(s)
- Md Humayun Kabir
- School of Medicine, Western Sydney University, Campbelltown, NSW, Australia; Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia; Department of Computer Science and Engineering, University of Rajshahi, Bangladesh
| | - Djordje Djordjevic
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia; St. Vincent's Clinical School, University of New South Wales, Sydney, NSW, Australia
| | - Michael D O'Connor
- School of Medicine, Western Sydney University, Campbelltown, NSW, Australia; Medical Sciences Research Group, Western Sydney University, Campbelltown, NSW, Australia
| | - Joshua W K Ho
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia; St. Vincent's Clinical School, University of New South Wales, Sydney, NSW, Australia; School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China.
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29
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Abstract
Epidemiological and experimental observations tend to prove that environment, lifestyle or nutritional challenges influence heart functions together with genetic factors. Furthermore, when occurring during sensitive windows of heart development, these environmental challenges can induce an 'altered programming' of heart development and shape the future heart disease risk. In the etiology of heart diseases driven by environmental challenges, epigenetics has been highlighted as an underlying mechanism, constituting a bridge between environment and heart health. In particular, micro-RNAs which are involved in each step of heart development and functions seem to play a crucial role in the unfavorable programming of heart diseases. This review describes the latest advances in micro-RNA research in heart diseases driven by early exposure to challenges and discusses the use of micro-RNAs as potential targets in the reversal of the pathophysiology.
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30
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Medwid S, Guan H, Yang K. Bisphenol A stimulates adrenal cortical cell proliferation via ERβ-mediated activation of the sonic hedgehog signalling pathway. J Steroid Biochem Mol Biol 2018; 178:254-262. [PMID: 29307715 DOI: 10.1016/j.jsbmb.2018.01.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 01/04/2018] [Indexed: 12/21/2022]
Abstract
We previously demonstrated that prenatal exposure to bisphenol A (BPA) resulted in increased adrenal gland weight independent of changes in plasma ACTH levels in adult mouse offspring. This finding suggested that BPA exposure likely had a direct effect on adrenal development. Given that (1) sonic hedgehog (Shh) signaling is essential for adrenal development; (2) deletion of the Shh gene in mice results in adrenal hypoplasia; (3) BPA is known to signal through estrogen receptor β (ERβ); and (4) ERβ is highly expressed in adrenal glands; we hypothesized that BPA stimulates adrenal cell proliferation via ERβ-mediated activation of the Shh pathway. To test this hypothesis, the human adrenal cell line, H295A cells, was used as an in vitro model system. Our main findings were: (1) BPA increased cell number and protein levels of proliferating cell nuclear antigen (PCNA; a universal marker of cell proliferation), cyclin D1 and D2 (key proliferation factors), as well as Shh and its key transcriptional regulator Gli1; (2) cyclopamine, a Shh pathway inhibitor, blocked these stimulatory effects of BPA on cell proliferation; (3) BPA increased the nuclear translocation of ERβ; and (4) the ERβ-specific agonist DPN mimicked while the ERβ-specific antagonist PHTPP abrogated the stimulatory effects of BPA on cell proliferation and Shh signaling. Taken together, these findings demonstrate that BPA stimulates adrenal cell proliferation likely through ERβ-mediated activation of the Shh signaling pathway. Thus, the present study provides novel insights into the molecular mechanisms underlying our previously reported BPA-induced aberrant adrenal phenotype.
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Affiliation(s)
- Samantha Medwid
- Children's Health Research Institute & Lawson Health Research Institute, Departments of Obstetrics & Gynaecology and Physiology & Pharmacology, Western University, 800 Commissioners Rd. E., N6C 2V5, London, Ontario, Canada
| | - Haiyan Guan
- Children's Health Research Institute & Lawson Health Research Institute, Departments of Obstetrics & Gynaecology and Physiology & Pharmacology, Western University, 800 Commissioners Rd. E., N6C 2V5, London, Ontario, Canada
| | - Kaiping Yang
- Children's Health Research Institute & Lawson Health Research Institute, Departments of Obstetrics & Gynaecology and Physiology & Pharmacology, Western University, 800 Commissioners Rd. E., N6C 2V5, London, Ontario, Canada.
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31
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Zhang Y, Yan W, Ji X, Yue H, Li G, Sang N. Maternal NO2 exposure induces cardiac hypertrophy in male offspring via ROS-HIF-1α transcriptional regulation and aberrant DNA methylation modification of Csx/Nkx2.5. Arch Toxicol 2018; 92:1563-1579. [DOI: 10.1007/s00204-018-2166-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 01/17/2018] [Indexed: 12/12/2022]
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32
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Bae S, Lim YH, Lee YA, Shin CH, Oh SY, Hong YC. Maternal Urinary Bisphenol A Concentration During Midterm Pregnancy and Children’s Blood Pressure at Age 4. Hypertension 2017; 69:367-374. [DOI: 10.1161/hypertensionaha.116.08281] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 08/16/2016] [Accepted: 11/10/2016] [Indexed: 01/28/2023]
Abstract
Bisphenol A (BPA) has been reported to be associated with adverse health effects, including high blood pressure (BP). BPA is also suspected to cross placenta in pregnancy and might affect children’s health. The present study was aimed to evaluate the effect of prenatal exposure to BPA on the BP of the child at the age of 4. We followed up 645 children at the age of 4 who were born from women who participated midterm during their pregnancy in a birth cohort study from August 2008 to July 2011. Because BPA and BP showed nonlinear association, we constructed a piecewise regression model to examine the association between urinary BPA concentration of mother at around 20 weeks of gestation and BP of the child at age 4 and to determine threshold level of BPA for the association. Diastolic BP of the children was positively associated with maternal urinary concentration of BPA above the threshold level measured at around 20 weeks of gestation. For 1 log unit increment of prenatal urinary BPA concentration, diastolic BP was increased by 7.9 mm Hg (SE=2.072;
P
=0.0001) after adjusting potential confounders. Pulse pressure was decreased by −8.0 mm Hg (SE=2.528;
P
=0.0015). However, systolic BP was not significantly associated with prenatal BPA concentration. The present study suggests that exposure to BPA during pregnancy is associated with higher diastolic BP of the children above a certain threshold (4.5 μg/g creatinine).
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Affiliation(s)
- Sanghyuk Bae
- From the Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan, Chungcheongnamdo, Korea (S.B.); Environmental Health Center (Y.-H.L., Y.-C.H.), Department of Pediatrics (C.H.S.), and Department of Preventive Medicine (Y.-C.H.), College of Medicine, Seoul National University, Korea; Institute of Environmental Medicine, Seoul National University Medical Research Center, Korea (Y.-H.L., Y.-C.H.); Department of Pediatrics, Seoul National University Children’s Hospital,
| | - Youn-Hee Lim
- From the Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan, Chungcheongnamdo, Korea (S.B.); Environmental Health Center (Y.-H.L., Y.-C.H.), Department of Pediatrics (C.H.S.), and Department of Preventive Medicine (Y.-C.H.), College of Medicine, Seoul National University, Korea; Institute of Environmental Medicine, Seoul National University Medical Research Center, Korea (Y.-H.L., Y.-C.H.); Department of Pediatrics, Seoul National University Children’s Hospital,
| | - Young Ah Lee
- From the Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan, Chungcheongnamdo, Korea (S.B.); Environmental Health Center (Y.-H.L., Y.-C.H.), Department of Pediatrics (C.H.S.), and Department of Preventive Medicine (Y.-C.H.), College of Medicine, Seoul National University, Korea; Institute of Environmental Medicine, Seoul National University Medical Research Center, Korea (Y.-H.L., Y.-C.H.); Department of Pediatrics, Seoul National University Children’s Hospital,
| | - Choong Ho Shin
- From the Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan, Chungcheongnamdo, Korea (S.B.); Environmental Health Center (Y.-H.L., Y.-C.H.), Department of Pediatrics (C.H.S.), and Department of Preventive Medicine (Y.-C.H.), College of Medicine, Seoul National University, Korea; Institute of Environmental Medicine, Seoul National University Medical Research Center, Korea (Y.-H.L., Y.-C.H.); Department of Pediatrics, Seoul National University Children’s Hospital,
| | - Se-Young Oh
- From the Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan, Chungcheongnamdo, Korea (S.B.); Environmental Health Center (Y.-H.L., Y.-C.H.), Department of Pediatrics (C.H.S.), and Department of Preventive Medicine (Y.-C.H.), College of Medicine, Seoul National University, Korea; Institute of Environmental Medicine, Seoul National University Medical Research Center, Korea (Y.-H.L., Y.-C.H.); Department of Pediatrics, Seoul National University Children’s Hospital,
| | - Yun-Chul Hong
- From the Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan, Chungcheongnamdo, Korea (S.B.); Environmental Health Center (Y.-H.L., Y.-C.H.), Department of Pediatrics (C.H.S.), and Department of Preventive Medicine (Y.-C.H.), College of Medicine, Seoul National University, Korea; Institute of Environmental Medicine, Seoul National University Medical Research Center, Korea (Y.-H.L., Y.-C.H.); Department of Pediatrics, Seoul National University Children’s Hospital,
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33
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Koneva LA, Vyas AK, McEachin RC, Puttabyatappa M, H-S W, Sartor MA, Padmanabhan V. Developmental programming: Interaction between prenatal BPA and postnatal overfeeding on cardiac tissue gene expression in female sheep. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2017; 58:4-18. [PMID: 28079927 PMCID: PMC5730970 DOI: 10.1002/em.22071] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 12/19/2016] [Accepted: 12/21/2016] [Indexed: 05/23/2023]
Abstract
Epidemiologic studies and studies in rodents point to potential risks from developmental exposure to BPA on cardiometabolic diseases. Furthermore, it is becoming increasingly evident that the manifestation and severity of adverse outcomes is the result of interaction between developmental insults and the prevailing environment. Consistent with this premise, recent studies in sheep found prenatal BPA treatment prevented the adverse effects of postnatal obesity in inducing hypertension. The gene networks underlying these complex interactions are not known. mRNA-seq of myocardium was performed on four groups of four female sheep to assess the effects of prenatal BPA exposure, postnatal overfeeding and their interaction on gene transcription, pathway perturbations and functional effects. The effects of prenatal exposure to BPA, postnatal overfeeding, and prenatal BPA with postnatal overfeeding all resulted in transcriptional changes (85-141 significant differentially expressed genes). Although the effects of prenatal BPA and postnatal overfeeding did not involve dysregulation of many of the same genes, they affected a remarkably similar set of biological pathways. Furthermore, an additive or synergistic effect was not found in the combined treatment group, but rather prenatal BPA treatment led to a partial reversal of the effects of overfeeding alone. Many genes previously known to be affected by BPA and involved in obesity, hypertension, or heart disease were altered following these treatments, and AP-1, EGR1, and EGFR were key hubs affected by BPA and/or overfeeding. Environ. Mol. Mutagen. 58:4-18, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- LA Koneva
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor MI
| | - AK Vyas
- Department of Pediatrics, Texas Tech Health Sciences Permian Basin, Odessa, TX
| | - RC McEachin
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor MI
| | - M Puttabyatappa
- Department of Pediatrics, University of Michigan, Ann Arbor MI
| | - Wang H-S
- Department of Environmental Health, University of Cincinnati, Cincinnati OH
- Department of Pharmacology and Cell Biophysics, University of Cincinnati, Cincinnati OH
| | - MA Sartor
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor MI
| | - V Padmanabhan
- Department of Pediatrics, University of Michigan, Ann Arbor MI
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34
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Koneva LA, Vyas AK, McEachin RC, Puttabyatappa M, Wang HS, Sartor MA, Padmanabhan V. Developmental programming: Interaction between prenatal BPA and postnatal overfeeding on cardiac tissue gene expression in female sheep. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2017; 58:4-18. [PMID: 28079927 DOI: 10.1002/em] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 12/19/2016] [Accepted: 12/21/2016] [Indexed: 05/23/2023]
Abstract
Epidemiologic studies and studies in rodents point to potential risks from developmental exposure to BPA on cardiometabolic diseases. Furthermore, it is becoming increasingly evident that the manifestation and severity of adverse outcomes is the result of interaction between developmental insults and the prevailing environment. Consistent with this premise, recent studies in sheep found prenatal BPA treatment prevented the adverse effects of postnatal obesity in inducing hypertension. The gene networks underlying these complex interactions are not known. mRNA-seq of myocardium was performed on four groups of four female sheep to assess the effects of prenatal BPA exposure, postnatal overfeeding and their interaction on gene transcription, pathway perturbations and functional effects. The effects of prenatal exposure to BPA, postnatal overfeeding, and prenatal BPA with postnatal overfeeding all resulted in transcriptional changes (85-141 significant differentially expressed genes). Although the effects of prenatal BPA and postnatal overfeeding did not involve dysregulation of many of the same genes, they affected a remarkably similar set of biological pathways. Furthermore, an additive or synergistic effect was not found in the combined treatment group, but rather prenatal BPA treatment led to a partial reversal of the effects of overfeeding alone. Many genes previously known to be affected by BPA and involved in obesity, hypertension, or heart disease were altered following these treatments, and AP-1, EGR1, and EGFR were key hubs affected by BPA and/or overfeeding. Environ. Mol. Mutagen. 58:4-18, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- L A Koneva
- Departments of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan
| | - A K Vyas
- Department of Pediatrics, Texas Tech Health Sciences Permian Basin, Odessa, Texas
| | - R C McEachin
- Departments of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan
| | - M Puttabyatappa
- Departments of Pediatrics, University of Michigan, Ann Arbor, Michigan
| | - H-S Wang
- Departments of Environmental Health, University of Cincinnati, Cincinnati, Ohio
- Departments of Pharmacology and Cell Biophysics, University of Cincinnati, Cincinnati, Ohio
| | - M A Sartor
- Departments of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan
| | - V Padmanabhan
- Departments of Pediatrics, University of Michigan, Ann Arbor, Michigan
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35
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VandeVoort CA, Gerona RR, vom Saal FS, Tarantal AF, Hunt PA, Hillenweck A, Zalko D. Maternal and Fetal Pharmacokinetics of Oral Radiolabeled and Authentic Bisphenol A in the Rhesus Monkey. PLoS One 2016; 11:e0165410. [PMID: 27930651 PMCID: PMC5145146 DOI: 10.1371/journal.pone.0165410] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Accepted: 09/14/2016] [Indexed: 11/19/2022] Open
Abstract
The present study was conducted in pregnant rhesus monkeys to determine the rapidity and extent to which BPA reaches the fetal compartment following oral ingestion, and the 24-hr fate of BPA. To assess metabolism changes during the course of pregnancy, we compared BPA biotransformation during the second and third trimesters in the same animals, measuring the levels of sulfated, gluronidated, and free BPA in maternal serum, amniotic fluid, and fetal serum. All animals showed measurable unconjugated and conjugated BPA in the fetal compartment and slow clearance compared to maternal serum. There were higher levels of BPA-G in amniotic fluid at 150 days gestation compared to 100 days gestation, as well as higher levels of BPA-G than BPA-S. We also monitored 3H-BPA (and metabolites) in key tissues and excreta from a mother and fetus and from a non-pregnant female. The elimination of radioactivity was rapid, but residues were still detectable 24 hr after dosing in all tissues analyzed. These data suggest that, in primates, rapid maternal processing of BPA does not alleviate the risk of exposure to the developing fetus. This study elevates concerns about levels of current BPA human exposure from potentially a large number of unknown sources and the risks posed to developing fetuses.
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Affiliation(s)
- Catherine A. VandeVoort
- Department of Obstetrics and Gynecology, University of California, Davis, California, United States of America
- California National Primate Research Center, University of California, Davis, California, United States of America
- * E-mail:
| | - Roy R. Gerona
- Program on Reproductive Health and the Environment, Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, California, United States of America
| | - Frederick S. vom Saal
- Division of Biological Sciences, University of Missouri, Columbia, Missouri, United States of America
| | - Alice F. Tarantal
- California National Primate Research Center, University of California, Davis, California, United States of America
- Departments of Pediatrics and Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, California, United States of America
| | - Patricia A. Hunt
- School of Molecular Biosciences, Washington State University, Pullman, Washington, United States of America
| | - Anne Hillenweck
- Toxalim, Université de Toulouse, INRA (Institut National de la Recherche Agronomique), Toulouse, France
| | - Daniel Zalko
- Toxalim, Université de Toulouse, INRA (Institut National de la Recherche Agronomique), Toulouse, France
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36
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Sartain CV, Hunt PA. An old culprit but a new story: bisphenol A and "NextGen" bisphenols. Fertil Steril 2016; 106:820-6. [PMID: 27504789 PMCID: PMC5304938 DOI: 10.1016/j.fertnstert.2016.07.1114] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/06/2016] [Accepted: 07/22/2016] [Indexed: 12/16/2022]
Abstract
The concept that developmental events shape adult health and disease was sparked by the recognition of a link between maternal undernutrition and coronary disease in adults. From that beginning, a new field-the developmental origins of health and disease-emerged, and attention has focused on the effects of a wide array of developmental perturbations. Exposure to endocrine-disrupting chemicals has been of particular interest, and a ubiquitous environmental contaminant bisphenol A (BPA) has become the endocrine-disrupting chemical poster child. Bisphenol A has been the subject of intense investigation for nearly two decades, and exposure effects have been described in hundreds of experimental, epidemiological, and clinical studies. From the standpoint of reproductive health, the findings are particularly important, as they suggest that the ovary, testis, and reproductive tract in both sexes are targets of BPA action. The findings and the media and regulatory attention garnered by them have generated increasing public concern and resulted in legislative bans on BPA in some countries. The subsequent introduction of BPA-free products, although a masterful marketing strategy, is in reality only the beginning of a new and complex chapter of the BPA story. In this review we attempt to summarize what we have learned about the reproductive effects of BPA, present the reasons why studying the effects of this chemical in humans is no longer sufficient, and outline the challenges that the growing array of next generation bisphenols represents to clinicians, researchers, federal agencies, and the general public.
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Affiliation(s)
- Caroline V Sartain
- School of Molecular Biology, Washington State University, Pullman, Washington
| | - Patricia A Hunt
- School of Molecular Biology, Washington State University, Pullman, Washington.
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37
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Hijazi A, Guan H, Yang K. Bisphenol A suppresses glucocorticoid target gene (ENaCγ) expression via a novel ERβ/NF-κB/GR signalling pathway in lung epithelial cells. Arch Toxicol 2016; 91:1727-1737. [DOI: 10.1007/s00204-016-1807-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Accepted: 08/04/2016] [Indexed: 01/13/2023]
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Fischer C, Mamillapalli R, Goetz LG, Jorgenson E, Ilagan Y, Taylor HS. Bisphenol A (BPA) Exposure In Utero Leads to Immunoregulatory Cytokine Dysregulation in the Mouse Mammary Gland: A Potential Mechanism Programming Breast Cancer Risk. HORMONES & CANCER 2016; 7:241-51. [PMID: 26911702 PMCID: PMC10726733 DOI: 10.1007/s12672-016-0254-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Accepted: 02/05/2016] [Indexed: 12/27/2022]
Abstract
Bisphenol-A (BPA) is a ubiquitous estrogen-like endocrine disrupting compound (EDC). BPA exposure in utero has been linked to breast cancer and abnormal mammary gland development in mice. The recent rise in incidence of human breast cancer and decreased age of first detection suggests a possible environmental etiology. We hypothesized that developmental programming of carcinogenesis may involve an aberrant immune response. Both innate and adaptive immunity play a role in tumor suppression through cytolytic CD8, NK, and Th1 T-cells. We hypothesized that BPA exposure in utero would lead to dysregulation of both innate and adaptive immunity in the mammary gland. CD1 mice were exposed to BPA in utero during gestation (days 9-21) via osmotic minipump. At 6 weeks, the female offspring were ovariectomized and estradiol was given at 8 weeks. RNA and protein were extracted from the posterior mammary glands, and the mRNA and protein levels were measured by PCR array, qRT-PCR, and western blot. In mouse mammary tissue, BPA exposure in utero significantly decreased the expression of members of the chemokine CXC family (Cxcl2, Cxcl4, Cxcl14, and Ccl20), interleukin 1 (Il1) gene family (Il1β and Il1rn), interleukin 2 gene family (Il7 receptor), and interferon gene family (interferon regulatory factor 9 (Irf9), as well as immune response gene 1 (Irg1). Additionally, BPA exposure in utero decreased Esr1 receptor gene expression and increased Esr2 receptor gene expression. In utero exposure of BPA resulted in significant changes to inflammatory modulators within mammary tissue. We suggest that dysregulation of inflammatory cytokines, both pro-inflammatory and anti-inflammatory, leads to a microenvironment that may promote disordered cell growth through inhibition of the immune response that targets cancer cells.
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Affiliation(s)
- Catha Fischer
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, 333 Cedar Street, P.O. Box 208063, New Haven, CT, 06510, USA
| | - Ramanaiah Mamillapalli
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, 333 Cedar Street, P.O. Box 208063, New Haven, CT, 06510, USA.
| | - Laura G Goetz
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, 333 Cedar Street, P.O. Box 208063, New Haven, CT, 06510, USA
| | - Elisa Jorgenson
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, 333 Cedar Street, P.O. Box 208063, New Haven, CT, 06510, USA
| | - Ysabel Ilagan
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, 333 Cedar Street, P.O. Box 208063, New Haven, CT, 06510, USA
| | - Hugh S Taylor
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, 333 Cedar Street, P.O. Box 208063, New Haven, CT, 06510, USA
- Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, CT, 06520, USA
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Ljunggren SA, Iggland M, Rönn M, Lind L, Lind PM, Karlsson H. Altered heart proteome in fructose-fed Fisher 344 rats exposed to bisphenol A. Toxicology 2016; 347-349:6-16. [PMID: 26930160 DOI: 10.1016/j.tox.2016.02.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 02/18/2016] [Accepted: 02/25/2016] [Indexed: 01/01/2023]
Abstract
Bisphenol A (BPA), is an artificial estrogen initially produced for medical purposes but is today widely used in polycarbonate plastics and epoxy resins. Exposure-related reproductive disorders have been found, but recently it has also been suggested that BPA may be involved in obesity, diabetes, myocardial hypertrophy and myocardial infarction in humans. To mimic a modern lifestyle, female rats were fed with fructose or fructose plus BPA (0.25mg/L drinking water). The myocardial left ventricle proteome of water controls, fructose-fed and fructose-fed plus BPA supplemented rats was explored. The proteome was investigated using nano-liquid chromatography tandem mass spectrometry and two-dimensional gel electrophoresis followed by matrix assisted laser desorption/ionization mass spectrometry identification. In total, 41 proteins were significantly altered by BPA exposure compared to water or fructose controls. Principal component analysis and cellular process enrichment analysis of altered proteins suggested increased fatty acid transport and oxidation, increased ROS generation and altered structural integrity of the myocardial left ventricle in the fructose-fed BPA-exposed rats, indicating unfavorable effects on the myocardium. In conclusion, BPA exposure in the rats induces major alterations in the myocardial proteome.
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Affiliation(s)
- S A Ljunggren
- Occupational and Environmental Medicine Center, and Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
| | - M Iggland
- Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
| | - M Rönn
- Department of Medical Sciences, Occupational and Environmental Medicine, Uppsala University, Uppsala, Sweden.
| | - L Lind
- Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala, Sweden.
| | - P M Lind
- Department of Medical Sciences, Occupational and Environmental Medicine, Uppsala University, Uppsala, Sweden.
| | - H Karlsson
- Occupational and Environmental Medicine Center, and Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
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40
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Lombó M, Fernández-Díez C, González-Rojo S, Navarro C, Robles V, Herráez MP. Transgenerational inheritance of heart disorders caused by paternal bisphenol A exposure. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2015; 206:667-678. [PMID: 26322593 DOI: 10.1016/j.envpol.2015.08.016] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Revised: 07/30/2015] [Accepted: 08/03/2015] [Indexed: 06/04/2023]
Abstract
Bisphenol A (BPA) is an endocrine disruptor used in manufacturing of plastic devices, resulting in an ubiquitous presence in the environment linked to human infertility, obesity or cardiovascular diseases. Both transcriptome and epigenome modifications lie behind these disorders that might be inherited transgenerationally when affecting germline. To assess potential effects of paternal exposure on offspring development, adult zebrafish males were exposed to BPA during spermatogenesis and mated with non-treated females. Results showed an increase in the rate of heart failures of progeny up to the F2, as well as downregulation of 5 genes involved in cardiac development in F1 embryos. Moreover, BPA causes a decrease in F0 and F1 sperm remnant mRNAs related to early development. Results reveal a paternal inheritance of changes in the insulin signaling pathway due to downregulation of insulin receptor β mRNAs, suggesting a link between BPA male exposure and disruption of cardiogenesis in forthcoming generations.
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Affiliation(s)
- Marta Lombó
- Department of Molecular Biology, Faculty of Biology, University of León, Campus Vegazana s/n, León, 24071, Spain
| | - Cristina Fernández-Díez
- Department of Molecular Biology, Faculty of Biology, University of León, Campus Vegazana s/n, León, 24071, Spain
| | - Silvia González-Rojo
- Department of Molecular Biology, Faculty of Biology, University of León, Campus Vegazana s/n, León, 24071, Spain
| | - Claudia Navarro
- Department of Molecular Biology, Faculty of Biology, University of León, Campus Vegazana s/n, León, 24071, Spain
| | - Vanesa Robles
- Spanish Institute of Oceanography (IEO), Promontorio de San Martín s/n, 39004, Santander, Spain
| | - María Paz Herráez
- Department of Molecular Biology, Faculty of Biology, University of León, Campus Vegazana s/n, León, 24071, Spain.
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41
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Patel BB, Raad M, Sebag IA, Chalifour LE. Sex-specific cardiovascular responses to control or high fat diet feeding in C57bl/6 mice chronically exposed to bisphenol A. Toxicol Rep 2015; 2:1310-1318. [PMID: 28962473 PMCID: PMC5598525 DOI: 10.1016/j.toxrep.2015.09.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 09/25/2015] [Indexed: 12/16/2022] Open
Abstract
The increased pericardial fat which often accompanies overall obesity is thought to alter cardiac structure/function and increase the risk for atrial fibrillation. We hypothesized that chronic exposure to bisphenol A (BPA) would induce pericardial fat, cardiac hypertrophy or arrhythmia. C57bl/6n dams were exposed to BPA (25 ng/ml drinking water) beginning on gestation day 11 and progeny continued on 2.5 ng BPA/ml drinking water. The progeny of control dams (VEH) and dams treated with diethylstilbestrol (DES, 1 μg/kg/day, gestation days 1114) had tap water. After weaning progeny were fed either a control (CD) or high fat diet (HFD) for 3 months. Pericardial fat was present in CD-BPA and CD-DES and not CD-VEH mice, and was increased in all HFD mice. Catecholamine challenge revealed no differences in males, but BPA-exposed females had longer P-wave and QRS complex duration. Only CD-BPA and CD-DES females developed cardiac hypertrophy which was independent of increased blood pressure. Calcium homeostasis protein expression changes in HFD-BPA and HFD-DES mice predict reduced SERCA2 activity in males and increased SERCA2 activity in females. Thus, chronic BPA exposure induced pericardial fat in the absence of HFD, and female-specific changes in cardiac hypertrophy development and cardiac electrical conduction after a catecholamine challenge.
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Affiliation(s)
- Bhavini B Patel
- Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montreal, Quebec H3T 1E2, Canada
| | - Mohamad Raad
- Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montreal, Quebec H3T 1E2, Canada
| | - Igal A Sebag
- Division of Cardiology, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montreal, Quebec H3T 1E2, Canada
| | - Lorraine E Chalifour
- Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montreal, Quebec H3T 1E2, Canada.,Division of Cardiology, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montreal, Quebec H3T 1E2, Canada.,Division of Endocrinology, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montréal, Québec H3T 1E2, Canada.,Division of Experimental Medicine, Department of Medicine, McGill University, 850 Sherbrooke Street, Montréal, Québec H3A 1A2, Canada
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42
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DeBenedictis B, Guan H, Yang K. Prenatal Exposure to Bisphenol A Disrupts Mouse Fetal Liver Maturation in a Sex-Specific Manner. J Cell Biochem 2015; 117:344-50. [PMID: 26146954 DOI: 10.1002/jcb.25276] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Accepted: 06/30/2015] [Indexed: 12/31/2022]
Abstract
Bisphenol A (BPA) is one of the most prevalent endocrine disrupting chemicals in the environment. Developmental exposure to BPA is known to be associated with liver dysfunction and diseases, such as hepatic steatosis, liver tumors, metabolic syndrome, and altered hepatic gene expression, and DNA methylation profiles. However, the effects of BPA on rodent liver development are unknown. The present study was undertaken to address this important question using the mouse as an experimental model. Pregnant mice were exposed to BPA via diet from embryonic day 7.5 (E7.5) to E18.5. At E18.5, fetal livers were collected, and analyzed for changes in the expression of key hepatocyte maturation markers. We found the following significant alterations in BPA-exposed female but not male fetal livers: (a) levels of the mature hepatocyte markers, albumin and glycogen synthase proteins, were decreased (-65% and -40%, respectively); (b) levels of the immature hepatocyte marker, α-fetoprotein, were increased (+43%); (c) the level of C/EBP-α protein, the master transcription factor essential for hepatocyte maturation, was down-regulated (-50%); and (d) the level of PCNA protein (marker of proliferation) was elevated (+40%), while that of caspase-3 protein and activity (markers of apoptosis) was reduced (-40% and -55%, respectively), suggestive of a perturbed balance between cell proliferation and apoptosis in BPA-exposed female fetuses. Taken together, these findings demonstrate that prenatal exposure to BPA disrupts the mouse fetal liver maturation in a sex-specific manner, and suggest a fetal origin for BPA-induced hepatic dysfunction and diseases.
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Affiliation(s)
- Bianca DeBenedictis
- Departments of Obstetrics and Gynaecology, Western University, London, Ontario, Canada, N6C 2V5.,Departments of Physiology and Pharmacology, Western University, London, Ontario, Canada, N6C 2V5.,Children's Health Research Institute, Western University, London, Ontario, Canada, N6C 2V5
| | - Haiyan Guan
- Departments of Obstetrics and Gynaecology, Western University, London, Ontario, Canada, N6C 2V5.,Departments of Physiology and Pharmacology, Western University, London, Ontario, Canada, N6C 2V5.,Children's Health Research Institute, Western University, London, Ontario, Canada, N6C 2V5
| | - Kaiping Yang
- Departments of Obstetrics and Gynaecology, Western University, London, Ontario, Canada, N6C 2V5.,Departments of Physiology and Pharmacology, Western University, London, Ontario, Canada, N6C 2V5.,Children's Health Research Institute, Western University, London, Ontario, Canada, N6C 2V5
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43
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Hijazi A, Guan H, Cernea M, Yang K. Prenatal exposure to bisphenol A disrupts mouse fetal lung development. FASEB J 2015; 29:4968-77. [DOI: 10.1096/fj.15-270942] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 08/13/2015] [Indexed: 01/17/2023]
Affiliation(s)
- Ayten Hijazi
- Department of Obstetrics and Gynaecology and Department of Physiology and PharmacologyChildren's Health Research Institute and Lawson Health Research InstituteWestern UniversityLondonOntarioCanada
| | - Haiyan Guan
- Department of Obstetrics and Gynaecology and Department of Physiology and PharmacologyChildren's Health Research Institute and Lawson Health Research InstituteWestern UniversityLondonOntarioCanada
| | - Maria Cernea
- Department of Obstetrics and Gynaecology and Department of Physiology and PharmacologyChildren's Health Research Institute and Lawson Health Research InstituteWestern UniversityLondonOntarioCanada
| | - Kaiping Yang
- Department of Obstetrics and Gynaecology and Department of Physiology and PharmacologyChildren's Health Research Institute and Lawson Health Research InstituteWestern UniversityLondonOntarioCanada
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44
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Theis JL, Zimmermann MT, Evans JM, Eckloff BW, Wieben ED, Qureshi MY, O’Leary PW, Olson TM. Recessive
MYH6
Mutations in Hypoplastic Left Heart With Reduced Ejection Fraction. ACTA ACUST UNITED AC 2015; 8:564-71. [DOI: 10.1161/circgenetics.115.001070] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 06/09/2015] [Indexed: 12/28/2022]
Abstract
Background—
The molecular underpinnings of hypoplastic left heart are poorly understood. Staged surgical palliation has dramatically improved survival, yet eventual failure of the systemic right ventricle necessitates cardiac transplantation in a subset of patients. We sought to identify genetic determinants of hypoplastic left heart with latent right ventricular dysfunction in individuals with a Fontan circulation.
Methods and Results—
Evaluation of cardiac structure and function by echocardiography in patients with hypoplastic left heart and their first-degree relatives identified 5 individuals with right ventricular ejection fraction ≤40% after Fontan operation. Whole genome sequencing was performed on DNA from 21 family members, filtering for genetic variants with allele frequency <1% predicted to alter protein structure or expression. Secondary family-based filtering for de novo and recessive variants revealed rare inherited missense mutations on both paternal and maternal alleles of
MYH6
, encoding myosin heavy chain 6, in 2 patients who developed right ventricular dysfunction 3 to 11 years postoperatively. Parents and siblings who were heterozygous carriers had normal echocardiograms. Protein modeling of the 4 highly conserved amino acid substitutions, residing in both head and tail domains, predicted perturbation of protein structure and function.
Conclusions—
In contrast to dominant
MYH6
mutations with variable penetrance identified in other congenital heart defects and dilated cardiomyopathy, this study reveals compound heterozygosity for recessive
MYH6
mutations in patients with hypoplastic left heart and reduced systemic right ventricular ejection fraction. These findings implicate a shared molecular basis for the developmental arrest and latent myopathy of left and right ventricles, respectively.
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Affiliation(s)
- Jeanne L. Theis
- From the Cardiovascular Genetics Research Laboratory (J.L.T., T.M.O.), Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine (M.Y.Q., P.W.O’L., T.M.O.), Division of Cardiovascular Diseases, Department of Internal Medicine (T.M.O.), Departments of Health Sciences Research and Biomedical Statistics and Informatics (M.T.Z., J.M.E.), Medical Genome Facility (B.W.E., E.D.W.), and Department of Biochemistry and Molecular Biology (E.D.W.), Mayo Clinic, Rochester, MN
| | - Michael T. Zimmermann
- From the Cardiovascular Genetics Research Laboratory (J.L.T., T.M.O.), Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine (M.Y.Q., P.W.O’L., T.M.O.), Division of Cardiovascular Diseases, Department of Internal Medicine (T.M.O.), Departments of Health Sciences Research and Biomedical Statistics and Informatics (M.T.Z., J.M.E.), Medical Genome Facility (B.W.E., E.D.W.), and Department of Biochemistry and Molecular Biology (E.D.W.), Mayo Clinic, Rochester, MN
| | - Jared M. Evans
- From the Cardiovascular Genetics Research Laboratory (J.L.T., T.M.O.), Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine (M.Y.Q., P.W.O’L., T.M.O.), Division of Cardiovascular Diseases, Department of Internal Medicine (T.M.O.), Departments of Health Sciences Research and Biomedical Statistics and Informatics (M.T.Z., J.M.E.), Medical Genome Facility (B.W.E., E.D.W.), and Department of Biochemistry and Molecular Biology (E.D.W.), Mayo Clinic, Rochester, MN
| | - Bruce W. Eckloff
- From the Cardiovascular Genetics Research Laboratory (J.L.T., T.M.O.), Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine (M.Y.Q., P.W.O’L., T.M.O.), Division of Cardiovascular Diseases, Department of Internal Medicine (T.M.O.), Departments of Health Sciences Research and Biomedical Statistics and Informatics (M.T.Z., J.M.E.), Medical Genome Facility (B.W.E., E.D.W.), and Department of Biochemistry and Molecular Biology (E.D.W.), Mayo Clinic, Rochester, MN
| | - Eric D. Wieben
- From the Cardiovascular Genetics Research Laboratory (J.L.T., T.M.O.), Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine (M.Y.Q., P.W.O’L., T.M.O.), Division of Cardiovascular Diseases, Department of Internal Medicine (T.M.O.), Departments of Health Sciences Research and Biomedical Statistics and Informatics (M.T.Z., J.M.E.), Medical Genome Facility (B.W.E., E.D.W.), and Department of Biochemistry and Molecular Biology (E.D.W.), Mayo Clinic, Rochester, MN
| | - Muhammad Y. Qureshi
- From the Cardiovascular Genetics Research Laboratory (J.L.T., T.M.O.), Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine (M.Y.Q., P.W.O’L., T.M.O.), Division of Cardiovascular Diseases, Department of Internal Medicine (T.M.O.), Departments of Health Sciences Research and Biomedical Statistics and Informatics (M.T.Z., J.M.E.), Medical Genome Facility (B.W.E., E.D.W.), and Department of Biochemistry and Molecular Biology (E.D.W.), Mayo Clinic, Rochester, MN
| | - Patrick W. O’Leary
- From the Cardiovascular Genetics Research Laboratory (J.L.T., T.M.O.), Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine (M.Y.Q., P.W.O’L., T.M.O.), Division of Cardiovascular Diseases, Department of Internal Medicine (T.M.O.), Departments of Health Sciences Research and Biomedical Statistics and Informatics (M.T.Z., J.M.E.), Medical Genome Facility (B.W.E., E.D.W.), and Department of Biochemistry and Molecular Biology (E.D.W.), Mayo Clinic, Rochester, MN
| | - Timothy M. Olson
- From the Cardiovascular Genetics Research Laboratory (J.L.T., T.M.O.), Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine (M.Y.Q., P.W.O’L., T.M.O.), Division of Cardiovascular Diseases, Department of Internal Medicine (T.M.O.), Departments of Health Sciences Research and Biomedical Statistics and Informatics (M.T.Z., J.M.E.), Medical Genome Facility (B.W.E., E.D.W.), and Department of Biochemistry and Molecular Biology (E.D.W.), Mayo Clinic, Rochester, MN
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Jiang Y, Xia W, Yang J, Zhu Y, Chang H, Liu J, Huo W, Xu B, Chen X, Li Y, Xu S. BPA-induced DNA hypermethylation of the master mitochondrial gene PGC-1α contributes to cardiomyopathy in male rats. Toxicology 2015; 329:21-31. [DOI: 10.1016/j.tox.2015.01.001] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Revised: 12/24/2014] [Accepted: 01/02/2015] [Indexed: 01/08/2023]
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vom Saal FS, Welshons WV. Evidence that bisphenol A (BPA) can be accurately measured without contamination in human serum and urine, and that BPA causes numerous hazards from multiple routes of exposure. Mol Cell Endocrinol 2014; 398:101-13. [PMID: 25304273 PMCID: PMC4805123 DOI: 10.1016/j.mce.2014.09.028] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Revised: 09/25/2014] [Accepted: 09/26/2014] [Indexed: 12/16/2022]
Abstract
There is extensive evidence that bisphenol A (BPA) is related to a wide range of adverse health effects based on both human and experimental animal studies. However, a number of regulatory agencies have ignored all hazard findings. Reports of high levels of unconjugated (bioactive) serum BPA in dozens of human biomonitoring studies have also been rejected based on the prediction that the findings are due to assay contamination and that virtually all ingested BPA is rapidly converted to inactive metabolites. NIH and industry-sponsored round robin studies have demonstrated that serum BPA can be accurately assayed without contamination, while the FDA lab has acknowledged uncontrolled assay contamination. In reviewing the published BPA biomonitoring data, we find that assay contamination is, in fact, well controlled in most labs, and cannot be used as the basis for discounting evidence that significant and virtually continuous exposure to BPA must be occurring from multiple sources.
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Affiliation(s)
- Frederick S vom Saal
- Division of Biological Sciences, University of Missouri, Columbia, MO 65211 USA.
| | - Wade V Welshons
- Department of Biomedical Sciences, University of Missouri, Columbia MO 65211 USA
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Impact of bisphenol a on the cardiovascular system - epidemiological and experimental evidence and molecular mechanisms. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2014; 11:8399-413. [PMID: 25153468 PMCID: PMC4143868 DOI: 10.3390/ijerph110808399] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 07/28/2014] [Accepted: 08/07/2014] [Indexed: 12/30/2022]
Abstract
Bisphenol A (BPA) is a ubiquitous plasticizing agent used in the manufacturing of polycarbonate plastics and epoxy resins. There is well-documented and broad human exposure to BPA. The potential risk that BPA poses to the human health has attracted much attention from regulatory agencies and the general public, and has been extensively studied. An emerging and rapidly growing area in the study of BPA's toxicity is its impact on the cardiovascular (CV) system. Recent epidemiological studies have shown that higher urinary BPA concentration in humans is associated with various types of CV diseases, including angina, hypertension, heart attack and coronary and peripheral arterial disease. Experimental studies have demonstrated that acute BPA exposure promotes the development of arrhythmias in female rodent hearts. Chronic exposure to BPA has been shown to result in cardiac remodeling, atherosclerosis, and altered blood pressure in rodents. The underlying mechanisms may involve alteration of cardiac Ca2+ handling, ion channel inhibition/activation, oxidative stress, and genome/transcriptome modifications. In this review, we discuss these recent findings that point to the potential CV toxicity of BPA, and highlight the knowledge gaps in this growing research area.
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