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Dou L, Sun S, Chen L, Lv L, Chen C, Huang Z, Zhang A, He H, Tao H, Yu M, Zhu M, Zhang C, Hao J. The association between prenatal bisphenol F exposure and infant neurodevelopment: The mediating role of placental estradiol. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 271:116009. [PMID: 38277971 DOI: 10.1016/j.ecoenv.2024.116009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/19/2024] [Accepted: 01/21/2024] [Indexed: 01/28/2024]
Abstract
BACKGROUND There are limited population studies on the neurodevelopmental effects of bisphenol F (BPF), a substitute for bisphenol A. Furthermore, the role of placental estradiol as a potential mediator linking these two factors remains unclear. OBJECTIVE To examine the association between maternal prenatal BPF exposure and infant neurodevelopment in a prospective cohort study and to explore the mediating effects of placental estradiol between BPF exposure and neurodevelopment in a nested case-control study. METHODS The prospective cohort study included 1077 mother-neonate pairs from the Wuhu city cohort study in China. Maternal BPF was determined using the liquid/liquid extraction and Ultra-performance liquid chromatography tandem mass spectrometry method. Children's neurodevelopment was assessed at ages 3, 6, and 12 months using Ages and Stages Questionnaires. The nested case-control study included 150 neurodevelopmental delay cases and 150 healthy controls. Placental estradiol levels were measured using enzyme-linked immunosorbent assay kits. Generalized estimating equation models and robust Poisson regression models were used to examine the associations between BPF exposure and children's neurodevelopment. In the nested case-control study, causal mediation analysis was conducted to assess the role of placental estradiol as a mediator in multivariate models. RESULTS In the prospective cohort study, the pregnancy-average BPF concentration was positively associated with developmental delays in gross-motor, fine-motor, and problem-solving ( ORtotal ASQ: 1.14(1.05, 1.25), ORgross-motor: 1.22(1.10, 1.36), ORfine-motor: 1.19(1.07, 1.31), ORproblem-solving: 1.11(1.01, 1.23)). After sex-stratified analyses, pregnancy-average BPF concentration was associated with an increased risk of neurodevelopmental delays in the gross-motor (ORgross-motor:1.30(1.12, 1.51)) and fine-motor (ORfine-motor: 1.22(1.06, 1.40)) domains in boys. In the nested case-control study, placental estradiol mediated 16.6% (95%CI: 4.4%, 35.0%) of the effects of prenatal BPF exposure on developmental delay. CONCLUSIONS Our study supports an inverse relationship between prenatal BPF exposure and child neurodevelopment in infancy, particularly in boys. Decreased placental estradiol may be an underlying biological pathway linking prenatal BPF exposure to neurodevelopmental delay in offspring.
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Affiliation(s)
- Lianjie Dou
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, Anhui Province, China
| | - Shu Sun
- Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, Hefei, Anhui Province, China
| | - Lan Chen
- Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, Hefei, Anhui Province, China
| | - Lanxing Lv
- Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, Hefei, Anhui Province, China
| | - Chen Chen
- Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, Hefei, Anhui Province, China
| | - Zhaohui Huang
- Anhui Provincial Center for Women and Children's Health, Hefei, Anhui Province, China
| | - Anhui Zhang
- Wuhu Maternal and Child Health (MCH) Center, Wuhu, Anhui Province, China
| | - Haiyan He
- Wuhu Maternal and Child Health (MCH) Center, Wuhu, Anhui Province, China
| | - Hong Tao
- Wuhu Maternal and Child Health (MCH) Center, Wuhu, Anhui Province, China
| | - Min Yu
- Wuhu Maternal and Child Health (MCH) Center, Wuhu, Anhui Province, China
| | - Min Zhu
- Wuhu Maternal and Child Health (MCH) Center, Wuhu, Anhui Province, China
| | - Chao Zhang
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University),Ministry of Education of the People's Republic of China, Hefei, Anhui Province, China; Department of Health Promotion and Behavioral Sciences, School of Public Health, Anhui Medical University, Hefei, Anhui Province, China.
| | - Jiahu Hao
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, Anhui Province, China; Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, Hefei, Anhui Province, China; Key Laboratory of Population Health Across Life Cycle (Anhui Medical University),Ministry of Education of the People's Republic of China, Hefei, Anhui Province, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei, Anhui Province, China.
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Baud O, Berkane N. Hormonal Changes Associated With Intra-Uterine Growth Restriction: Impact on the Developing Brain and Future Neurodevelopment. Front Endocrinol (Lausanne) 2019; 10:179. [PMID: 30972026 PMCID: PMC6443724 DOI: 10.3389/fendo.2019.00179] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 03/04/2019] [Indexed: 12/14/2022] Open
Abstract
The environment in which a fetus develops is not only important for its growth and maturation but also for its long-term postnatal health and neurodevelopment. Several hormones including glucocorticosteroids, estrogens and progesterone, insulin growth factor and thyroid hormones, carefully regulate the growth of the fetus and its metabolism during pregnancy by controlling the supply of nutrients crossing the placenta. In addition to fetal synthesis, hormones regulating fetal growth are also expressed and regulated in the placenta, and they play a key role in the vulnerability of the developing brain and its maturation. This review summarizes the current understanding and evidence regarding the involvement of hormonal dysregulation associated with intra-uterine growth restriction and its consequences on brain development.
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Affiliation(s)
- Olivier Baud
- Division of Neonatology and Pediatric Intensive Care, Department of Women-Children-Teenagers, University Hospitals Geneva, Geneva, Switzerland
- Inserm U1141, Sorbonne, Paris Diderot University, Paris, France
- *Correspondence: Olivier Baud
| | - Nadia Berkane
- Division of Obstetrics and Gynecology, Department of Women-Children-Teenagers, University Hospitals Geneva, Geneva, Switzerland
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Marchese E, Corvino V, Di Maria V, Furno A, Giannetti S, Cesari E, Lulli P, Michetti F, Geloso MC. The Neuroprotective Effects of 17β-Estradiol Pretreatment in a Model of Neonatal Hippocampal Injury Induced by Trimethyltin. Front Cell Neurosci 2018; 12:385. [PMID: 30416427 PMCID: PMC6213803 DOI: 10.3389/fncel.2018.00385] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 10/08/2018] [Indexed: 12/12/2022] Open
Abstract
Hippocampal dysfunction plays a central role in neurodevelopmental disorders, resulting in severe impairment of cognitive abilities, including memory and learning. On this basis, developmental studies represent an important tool both to understanding the cellular and molecular phenomena underlying early hippocampal damage and to study possible therapeutic interventions, that may modify the progression of neuronal death. Given the modulatory role played by 17β-estradiol (E2) on hippocampal functions and its neuroprotective properties, the present study investigates the effects of pretreatment with E2 in a model of neonatal hippocampal injury obtained by trimethyltin (TMT) administration, characterized by neuronal loss in CA1 and CA3 subfields and astroglial and microglial activation. At post-natal days (P)5 and P6 animals received E2 administration (0.2 mg/kg/die i.p.) or vehicle. At P7 they received a single dose of TMT (6.5 mg/kg i.p.) and were sacrificed 72 h (P10) or 7 days after TMT treatment (P14). Our findings indicate that pretreatment with E2 exerts a protective effect against hippocampal damage induced by TMT administration early in development, reducing the extent of neuronal death in the CA1 subfield, inducing the activation of genes involved in neuroprotection, lowering the neuroinflammatory response and restoring neuropeptide Y- and parvalbumin- expression, which is impaired in the early phases of TMT-induced damage. Our data support the efficacy of estrogen-based neuroprotective approaches to counteract early occurring hippocampal damage in the developing hippocampus.
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Affiliation(s)
- Elisa Marchese
- Institute of Anatomy and Cell Biology, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Valentina Corvino
- Institute of Anatomy and Cell Biology, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Valentina Di Maria
- Institute of Anatomy and Cell Biology, Università Cattolica del Sacro Cuore, Rome, Italy.,Epilepsy Center, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Alfredo Furno
- Institute of Anatomy and Cell Biology, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Stefano Giannetti
- Institute of Anatomy and Cell Biology, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Eleonora Cesari
- Institute of Anatomy and Cell Biology, Università Cattolica del Sacro Cuore, Rome, Italy.,Laboratory of Neuroembryology, Fondazione Santa Lucia, Rome, Italy
| | - Paola Lulli
- Laboratorio di Biochimica Clinica e Biologia Molecolare, IRCCS Fondazione Policlinico A. Gemelli, Rome, Italy
| | - Fabrizio Michetti
- Institute of Anatomy and Cell Biology, Università Cattolica del Sacro Cuore, Rome, Italy.,Facoltà di Medicina e Chirurgia - IRCCS San Raffaele Scientific Institute, Università Vita-Salute San Raffaele, Milan, Italy
| | - Maria Concetta Geloso
- Institute of Anatomy and Cell Biology, Università Cattolica del Sacro Cuore, Rome, Italy
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Santos RS, de Fatima LA, Frank AP, Carneiro EM, Clegg DJ. The effects of 17 alpha-estradiol to inhibit inflammation in vitro. Biol Sex Differ 2017; 8:30. [PMID: 28877759 PMCID: PMC5586055 DOI: 10.1186/s13293-017-0151-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 08/29/2017] [Indexed: 01/01/2023] Open
Abstract
Background 17 Alpha-estradiol (17 α-E2) is a natural, non-feminizing stereoisomer of 17 beta-estradiol (17 β-E2). Whereas much is known about the physiological effects of 17 β-E2, much less is known about 17 α-E2. For example, 17 β-E2 exerts anti-inflammatory effects in neurons and adipocytes through binding and activation of estrogen receptor alpha (ERα); however, if 17 α-E2 has similar effects on inflammation is currently unknown. Methods To begin to address this, we analyzed the ability of 17 α-E2 and 17 β-E2 to suppress lipopolysaccharide (LPS)-induced inflammation in vitro using embryonic fibroblast cells (MEF) from wild type and total body ERα (ERKO) male and female mice. Additionally, we further probed if there were sex differences with respect to the effects of E2s using primary pre-adipocyte cells from C57BL/6J male and female mice. Also, we probed mechanistically the effects of E2s in fully differentiated 3T3-L1 cells. Results Both E2s decreased LPS-induced markers of inflammation Tnf-α and Il-6, and increased the anti-inflammatory markers Il-4 and IL-6 receptor (Il-6ra) in MEF cells. To begin to understand the mechanisms by which both E2’s mediate their anti-inflammatory effects, we probed the role of ERα using two methods. First, we used MEF cells from ERKO mice and found reductions in ERα diminished the ability of 17 α-E2 to suppress Tnf-α in female but not in male cells, demonstrating a sexual dimorphism in regard to the role of ERα to mediate 17 α-E2’s effects. Second, we selectively reduced the expression of ERα in 3T3-L1 cells using siRNA and found reductions in ERα diminished the ability of both E2s to suppress Tnf-α and Il-6 expression. Lastly, to determine the mechanisms by which E2s reduce inflammation, we explored the role of NFκB-p65 and found both E2s decreased NFκB-p65 expression. Conclusions In conclusion, we demonstrate for the first time that 17 α-E2, as well as 17 β-E2, suppresses inflammation through their effects on ERα and NFκB-p65. Electronic supplementary material The online version of this article (10.1186/s13293-017-0151-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Roberta S Santos
- Biomedical Sciences Dept, Diabetes and Obesity Research Division, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Los Angeles, CA, 90048, USA
| | - Luciana A de Fatima
- Biomedical Sciences Dept, Diabetes and Obesity Research Division, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Los Angeles, CA, 90048, USA
| | - Aaron P Frank
- Biomedical Sciences Dept, Diabetes and Obesity Research Division, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Los Angeles, CA, 90048, USA
| | - Everardo M Carneiro
- Obesity and Comorbidities Research Center (OCRC), Institute of Biology, State University of Campinas-UNICAMP, Campinas, SP, Brazil
| | - Deborah J Clegg
- Biomedical Sciences Dept, Diabetes and Obesity Research Division, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Los Angeles, CA, 90048, USA.
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