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Sakali AK, Bargiota A, Bjekic-Macut J, Macut D, Mastorakos G, Papagianni M. Environmental factors affecting female fertility. Endocrine 2024:10.1007/s12020-024-03940-y. [PMID: 38954374 DOI: 10.1007/s12020-024-03940-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 06/21/2024] [Indexed: 07/04/2024]
Abstract
INTRODUCTION Over the recent years, scientific community has increased its interest on solving problems of female fertility pathology. Many factors acting separately or in combination affect significantly the reproductive life of a woman. This review summarizes current evidence regarding the direct and/or indirect action of environmental factors and endocrine disrupting chemicals (EDCs; i.e. heavy metals, plasticizers, parabens, industrial chemicals, pesticides, or medications, by-products, anti-bacterial agents, perfluorochemicals) upon assisted and non-assisted female fertility, extracted from in vivo and in vitro animal and human published data. Transgenerational effects which could have been caused epigenetically by the action of EDCs have been raised. METHODS This narrative review englobes and describes data from in vitro and in vivo animal and human studies with regard to the action of environmental factors, which include EDCs, on female fertility following the questions for narrative reviews of the SANRA (a scale for the quality assessment of narrative review articles). The identification of the studies was done: through the PubMed Central and the PubMed of the MEDLINE, the Google Scholar database and the Cochrane Library database until December 2023 combining appropriate keywords ("specific environmental factors" including "EDCs" AND "specific negative fertility outcomes"); by manual scanning of references from selected articles and reviews focusing on these subjects. It includes references to EDCs-induced transgenerational effects. RESULTS From the reported evidence emerge negative or positive associations between specific environmental factors or EDCs and infertility outcomes such as infertility indices, disrupted maturation of the oocytes, anovulation, deranged transportation of the embryo and failure of implantation. CONCLUSION The revealed adverse outcomes related to female fertility could be attributed to exposure to specific environmental factors such as temperature, climate, radiation, air pollutants, nutrition, toxic substances and EDCs. The recognition of fertility hazards related to the environment will permit the limitation of exposure to them, will improve female fertility and protect the health potential of future generations.
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Affiliation(s)
- Anastasia-Konstantina Sakali
- Department of Endocrinology and Metabolic Diseases, Larissa University Hospital, School of Medicine, University of Thessaly, Larissa, Greece
| | - Alexandra Bargiota
- Department of Endocrinology and Metabolic Diseases, Larissa University Hospital, School of Medicine, University of Thessaly, Larissa, Greece
| | - Jelica Bjekic-Macut
- Department of Endocrinology, University Medical Center Bežanijska kosa, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Djuro Macut
- Clinic for Endocrinology, Diabetes and Metabolic Diseases, University Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - George Mastorakos
- Unit of Endocrinology, Diabetes Mellitus and Metabolism, Aretaieion Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Papagianni
- Department of Nutrition and Dietetics, School of Physical Education, Sport Science and Dietetics, University of Thessaly, Trikala, Greece.
- Endocrine Unit, 3rd Department of Pediatrics, Hippokration Hospital of Thessaloniki, Aristotle University of Thessaloniki, Thessaloniki, Greece.
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Chaichian S, Khodabandehloo F, Haghighi L, Govahi A, Mehdizadeh M, Ajdary M, Varma RS. Toxicological Impact of Bisphenol A on Females' Reproductive System: Review Based on Experimental and Epidemiological Studies. Reprod Sci 2024; 31:1781-1799. [PMID: 38532232 DOI: 10.1007/s43032-024-01521-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 03/13/2024] [Indexed: 03/28/2024]
Abstract
The study encompassing research papers documented in the last two decades pertaining to the possible influence of bisphenol A (BPA) on the fertility of females are appraised with emphasis on the influence of BPA in reproductive organs (uterus and ovaries) and pregnancy outcomes including discussion on the reproductive process (implantation, estrous cycle, hormone secretion); outcomes reveal a connection amongst BPA and female infertility. Ovary, uterus, and its shape as well as function can alter a person's ability to become pregnant by influencing the hypothalamus-pituitary axis in the ovarian model. Additionally, implantation and the estrous cycle may be affected by BPA. However, more research is warranted to comprehend the underlying action mechanisms and to promptly identify any imminent reproductive harm.
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Affiliation(s)
- Shahla Chaichian
- Endometriosis Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Khodabandehloo
- Department of Genetics and Advanced Medical Technology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Ladan Haghighi
- Endometriosis Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Azam Govahi
- Endometriosis Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mehdi Mehdizadeh
- Reproductive Sciences and Technology Research Center, Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Marziyeh Ajdary
- Endometriosis Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Rajender S Varma
- Centre of Excellence for Research in Sustainable Chemistry, Department of Chemistry Federal University of São Carlos, São Carlos, SP, 13565-905, Brazil.
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Suker A, Li Y, Robson D, Marren A. Australasian recurrent pregnancy loss clinical management guideline 2024, part II. Aust N Z J Obstet Gynaecol 2024. [PMID: 38934293 DOI: 10.1111/ajo.13820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 04/03/2024] [Indexed: 06/28/2024]
Abstract
Part II of the Australasian guideline for the investigation and management of recurrent pregnancy loss (RPL) provides evidence-based guidance on the management of RPL provided. The implications of inherited and acquired thrombophilia with respect to RPL and suggestions for clinical management are provided. Autoimmune factors, including human leukocyte antigen, cytokines, antinuclear antibodies and coeliac antibodies, and guidance for management are discussed. Infective, inflammatory and endometrial causes of RPL are discussed in detail. Environmental and lifestyle factors, male factor and unexplained causes are outlined. Levels of evidence and grades of consensus are provided for all evidence-based statements.
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Affiliation(s)
- Adriana Suker
- Department of Obstetrics and Gynaecology, Liverpool Hospital, Sydney, New South Wales, Australia
| | - Ying Li
- Department of Reproductive Endocrinology and Infertility, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
| | - Danielle Robson
- Department of Reproductive Endocrinology and Infertility, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
| | - Anthony Marren
- Department of Reproductive Endocrinology and Infertility, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
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Wang J, Zhao C, Feng J, Sun P, Zhang Y, Han A, Zhang Y, Ma H. Advances in understanding the reproductive toxicity of endocrine-disrupting chemicals in women. Front Cell Dev Biol 2024; 12:1390247. [PMID: 38606320 PMCID: PMC11007058 DOI: 10.3389/fcell.2024.1390247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 03/20/2024] [Indexed: 04/13/2024] Open
Abstract
Recently, there has been a noticeable increase in disorders of the female reproductive system, accompanied by a rise in adverse pregnancy outcomes. This trend is increasingly being linked to environmental pollution, particularly through the lens of Endocrine Disrupting Chemicals (EDCs). These external agents disrupt natural processes of hormones, including synthesis, metabolism, secretion, transport, binding, as well as elimination. These disruptions can significantly impair human reproductive functions. A wealth of animal studies and epidemiological research indicates that exposure to toxic environmental factors can interfere with the endocrine system's normal functioning, resulting in negative reproductive outcomes. However, the mechanisms of these adverse effects are largely unknown. This work reviews the reproductive toxicity of five major environmental EDCs-Bisphenol A (BPA), Phthalates (PAEs), Triclocarban Triclosan and Disinfection Byproducts (DBPs)-to lay a foundational theoretical basis for further toxicological study of EDCs. Additionally, it aims to spark advancements in the prevention and treatment of female reproductive toxicity caused by these chemicals.
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Affiliation(s)
- Jinguang Wang
- Reproductive Medicine Center of Weifang People’s Hospital, Weifang, China
| | - Chunwu Zhao
- Gastrointestinal Surgery Center of Weifang People’s Hospital, Weifang, China
| | - Jie Feng
- Gynecology and Obstetrics Department, Fangzi District People’s Hospital, Weifang, China
| | - Pingping Sun
- Reproductive Medicine Center of Weifang People’s Hospital, Weifang, China
| | - Yuhua Zhang
- Reproductive Medicine Center of Weifang People’s Hospital, Weifang, China
| | - Ailing Han
- Reproductive Medicine Center of Weifang People’s Hospital, Weifang, China
| | - Yuemin Zhang
- Reproductive Medicine Center of Weifang People’s Hospital, Weifang, China
| | - Huagang Ma
- Reproductive Medicine Center of Weifang People’s Hospital, Weifang, China
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Wu X, Tian Y, Zhu H, Xu P, Zhang J, Hu Y, Ji X, Yan R, Yue H, Sang N. Invisible Hand behind Female Reproductive Disorders: Bisphenols, Recent Evidence and Future Perspectives. TOXICS 2023; 11:1000. [PMID: 38133401 PMCID: PMC10748066 DOI: 10.3390/toxics11121000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/04/2023] [Accepted: 12/04/2023] [Indexed: 12/23/2023]
Abstract
Reproductive disorders are considered a global health problem influenced by physiological, genetic, environmental, and lifestyle factors. The increased exposure to bisphenols, a chemical used in large quantities for the production of polycarbonate plastics, has raised concerns regarding health risks in humans, particularly their endocrine-disrupting effects on female reproductive health. To provide a basis for future research on environmental interference and reproductive health, we reviewed relevant studies on the exposure patterns and levels of bisphenols in environmental matrices and humans (including susceptible populations such as pregnant women and children). In addition, we focused on in vivo, in vitro, and epidemiological studies evaluating the effects of bisphenols on the female reproductive system (the uterus, ovaries, fallopian tubes, and vagina). The results indicate that bisphenols cause structural and functional damage to the female reproductive system by interfering with hormones; activating receptors; inducing oxidative stress, DNA damage, and carcinogenesis; and triggering epigenetic changes, with the damaging effects being intergenerational. Epidemiological studies support the association between bisphenols and diseases such as cancer of the female reproductive system, reproductive dysfunction, and miscarriage, which may negatively affect the establishment and maintenance of pregnancy. Altogether, this review provides a reference for assessing the adverse effects of bisphenols on female reproductive health.
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Affiliation(s)
- Xiaoyun Wu
- Research Center of Environment and Health, College of Environment and Resource, Shanxi University, Taiyuan 030006, China; (X.W.); (Y.T.); (H.Z.); (P.X.); (J.Z.); (Y.H.); (N.S.)
| | - Yuchai Tian
- Research Center of Environment and Health, College of Environment and Resource, Shanxi University, Taiyuan 030006, China; (X.W.); (Y.T.); (H.Z.); (P.X.); (J.Z.); (Y.H.); (N.S.)
| | - Huizhen Zhu
- Research Center of Environment and Health, College of Environment and Resource, Shanxi University, Taiyuan 030006, China; (X.W.); (Y.T.); (H.Z.); (P.X.); (J.Z.); (Y.H.); (N.S.)
| | - Pengchong Xu
- Research Center of Environment and Health, College of Environment and Resource, Shanxi University, Taiyuan 030006, China; (X.W.); (Y.T.); (H.Z.); (P.X.); (J.Z.); (Y.H.); (N.S.)
| | - Jiyue Zhang
- Research Center of Environment and Health, College of Environment and Resource, Shanxi University, Taiyuan 030006, China; (X.W.); (Y.T.); (H.Z.); (P.X.); (J.Z.); (Y.H.); (N.S.)
| | - Yangcheng Hu
- Research Center of Environment and Health, College of Environment and Resource, Shanxi University, Taiyuan 030006, China; (X.W.); (Y.T.); (H.Z.); (P.X.); (J.Z.); (Y.H.); (N.S.)
| | - Xiaotong Ji
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan 030001, China;
| | - Ruifeng Yan
- Research Center of Environment and Health, College of Environment and Resource, Shanxi University, Taiyuan 030006, China; (X.W.); (Y.T.); (H.Z.); (P.X.); (J.Z.); (Y.H.); (N.S.)
| | - Huifeng Yue
- Research Center of Environment and Health, College of Environment and Resource, Shanxi University, Taiyuan 030006, China; (X.W.); (Y.T.); (H.Z.); (P.X.); (J.Z.); (Y.H.); (N.S.)
| | - Nan Sang
- Research Center of Environment and Health, College of Environment and Resource, Shanxi University, Taiyuan 030006, China; (X.W.); (Y.T.); (H.Z.); (P.X.); (J.Z.); (Y.H.); (N.S.)
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Park SR, Kim SR, Min EK, Oh BC, Jung Y, Kim YH, Lee HY. Unveiling the potential effects of acetylsalicylic acid: insights into regeneration in endometrial stem cells. Cell Commun Signal 2023; 21:323. [PMID: 37950232 PMCID: PMC10638813 DOI: 10.1186/s12964-023-01339-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 09/27/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Although acetylsalicylic acid has been widely used for decades to treat and prevent various diseases, its potential effects on endometrial receptivity and subsequent pregnancy rates are still controversial due to conflicting data: many reports have shown positive effects of acetylsalicylic acid, whereas others have found that it has no effect. Furthermore, the direct effects of acetylsalicylic acid on various functions of normal endometrial cells, especially endometrial stem cells, and their underlying molecular mechanisms have not yet been proven. Recently, studies have revealed that a reduced number of active stem/progenitor cells within endometrial tissue limits cyclic endometrial regeneration and subsequently decreases pregnancy success rates, suggesting that endometrial stem cells play a critical role in endometrial regeneration and subsequent endometrial receptivity. METHODS We assessed whether aspirin treatment can inhibit various endometrial stem cell functions related to regenerative capacity, such as self-renewal, migration, pluripotency/stemness, and differentiation capacity, in vitro. Next, we evaluated whether SERPINB2 regulates the effects of aspirin on endometrial stem cell functions by depleting SERPINB2 expression with specific shRNA targeting SERPINB2. To further investigate whether aspirin also inhibits various endometrial stem cell functions in vivo, aspirin was administered daily to mice through intraperitoneal (i.p.) injection for 7 days. RESULTS In addition to its previously identified roles, to the best of our knowledge, we found for the first time that acetylsalicylic acid directly inhibits various human endometrial stem cell functions related to regenerative capacity (i.e., self-renewal, migration, differentiation, and capacity) through its novel target gene SERPINB2 in vitro. Acetylsalicylic acid exerts its function by suppressing well-known prosurvival pathways, such as Akt and/or ERK1/2 signaling, through a SERPINB2 signaling cascade. Moreover, we also found that acetylsalicylic acid markedly inhibits regenerative capacity-related functions in endometrial stem cells within tissue. CONCLUSIONS We have found that acetylsalicylic acid has diverse effects on various endometrial stem cell functions related to regenerative capacity. Our findings are a critical step toward the development of more effective therapeutic strategies to increase the chances of successful pregnancy. Video Abstract.
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Affiliation(s)
- Se-Ra Park
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, Republic of Korea
- Department of Molecular Medicine, School of Medicine, Gachon University, Incheon, 406-840, Republic of Korea
| | - Soo-Rim Kim
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, Republic of Korea
- Department of Molecular Medicine, School of Medicine, Gachon University, Incheon, 406-840, Republic of Korea
| | - Eun-Kyung Min
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, Republic of Korea
- Department of Molecular Medicine, School of Medicine, Gachon University, Incheon, 406-840, Republic of Korea
| | - Byung-Chul Oh
- Department of Physiology, Lee Gil Ya Cancer and Diabetes Institute, Gachon University College of Medicine, Incheon, 21999, Republic of Korea
| | - YunJae Jung
- Department of Microbiology, College of Medicine, Gachon University, Incheon, 21999, Korea
| | - Yong Ho Kim
- Gachon Pain Center and Department of Physiology, College of Medicine, Gachon University, Incheon, 21999, Republic of Korea.
| | - Hwa-Yong Lee
- Division of Science Education, Kangwon National University, 24341, Chuncheon, Republic of Korea.
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Howdeshell KL, Beverly BEJ, Blain RB, Goldstone AE, Hartman PA, Lemeris CR, Newbold RR, Rooney AA, Bucher JR. Evaluating endocrine disrupting chemicals: A perspective on the novel assessments in CLARITY-BPA. Birth Defects Res 2023; 115:1345-1397. [PMID: 37646438 DOI: 10.1002/bdr2.2238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/17/2023] [Accepted: 07/31/2023] [Indexed: 09/01/2023]
Abstract
BACKGROUND The Consortium Linking Academic and Regulatory Insights on Bisphenol A Toxicity (CLARITY-BPA) was a collaborative research effort to better link academic research with governmental guideline studies. This review explores the secondary goal of CLARITY-BPA: to identify endpoints or technologies from CLARITY-BPA and prior/concurrent literature from these laboratories that may enhance the capacity of rodent toxicity studies to detect endocrine disrupting chemicals (EDCs). METHODS A systematic literature search was conducted with search terms for BPA and the CLARITY-BPA participants. Relevant studies employed a laboratory rodent model and reported results on 1 of the 10 organs/organ systems evaluated in CLARITY-BPA (brain and behavior, cardiac, immune, mammary gland, ovary, penile function, prostate gland and urethra, testis and epididymis, thyroid hormone and metabolism, and uterus). Study design and findings were summarized, and a risk-of-bias assessment was conducted. RESULTS Several endpoints and methods were identified as potentially helpful to detect effects of EDCs. For example, molecular and quantitative morphological approaches were sensitive in detecting alterations in early postnatal development of the brain, ovary, and mammary glands. Hormone challenge studies mimicking human aging reported increased susceptibility of the prostate to disease following developmental BPA exposure. Statistical analyses for nonmonotonic dose responses, and computational approaches assessing multiple treatment-related outcomes concurrently in linked hormone-sensitive organ systems, reported effects at low BPA doses. CONCLUSIONS This review provided an opportunity to evaluate the unique insights provided by nontraditional assessments in CLARITY-BPA to identify technologies and endpoints to enhance detection of EDCs in future studies.
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Affiliation(s)
- Kembra L Howdeshell
- Division of Translational Toxicology, National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, North Carolina, USA
| | - Brandiese E J Beverly
- Division of Translational Toxicology, National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, North Carolina, USA
| | | | | | | | | | - Retha R Newbold
- Division of Translational Toxicology, National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, North Carolina, USA
- NIEHS, retired, Research Triangle Park, North Carolina, United States
| | - Andrew A Rooney
- Division of Translational Toxicology, National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, North Carolina, USA
| | - John R Bucher
- Division of Translational Toxicology, National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, North Carolina, USA
- NIEHS, retired, Research Triangle Park, North Carolina, United States
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Molina-López AM, Bujalance-Reyes F, Ayala-Soldado N, Mora-Medina R, Lora-Benítez A, Moyano-Salvago R. An Overview of the Health Effects of Bisphenol A from a One Health Perspective. Animals (Basel) 2023; 13:2439. [PMID: 37570248 PMCID: PMC10417040 DOI: 10.3390/ani13152439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
Bisphenol A (BPA) is a chemical compound, considered as an "emerging pollutant", that appears ubiquitously, contaminating the environment and food. It is an endocrine disruptor, found in a multitude of consumer products, as it is a constituent of polycarbonate used in the manufacture of plastics and epoxy resins. Many studies have evaluated the effects of BPA, using a wide range of doses and animal models. In this work, we carried out a review of relevant research related to the effects of BPA on health, through studies performed at different doses, in different animal models, and in human monitoring studies. Numerous effects of BPA on health have been described; in different animal species, it has been reported that it interferes with fertility in both females and males and causes alterations in their offspring, as well as being associated with an increase in hormone-dependent pathologies. Similarly, exposure to BPA has been related to other diseases of great relevance in public health such as obesity, hypertension, diabetes, or neurodevelopmental disorders. Its ubiquity and nonmonotonic behavior, triggering effects at exposure levels considered "safe", make it especially relevant when both animal and human populations are constantly and inadvertently exposed to this compound. Its effects at low exposure levels make it essential to establish safe exposure levels, and research into the effects of BPA must continue and be focused from a "One Health" perspective to take into account all the factors that could intervene in the development of a disease in any exposed organism.
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Affiliation(s)
- Ana M. Molina-López
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Unidad de Investigación Competitiva Zoonosis y Enfermedades Emergentes desde la Perspectiva de Una Salud ENZOEM, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain;
| | - Francisca Bujalance-Reyes
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain; (F.B.-R.); (R.M.-M.); (A.L.-B.)
| | - Nahúm Ayala-Soldado
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain; (F.B.-R.); (R.M.-M.); (A.L.-B.)
| | - Rafael Mora-Medina
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain; (F.B.-R.); (R.M.-M.); (A.L.-B.)
| | - Antonio Lora-Benítez
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain; (F.B.-R.); (R.M.-M.); (A.L.-B.)
| | - Rosario Moyano-Salvago
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Unidad de Investigación Competitiva Zoonosis y Enfermedades Emergentes desde la Perspectiva de Una Salud ENZOEM, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain;
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Lambré C, Barat Baviera JM, Bolognesi C, Chesson A, Cocconcelli PS, Crebelli R, Gott DM, Grob K, Lampi E, Mengelers M, Mortensen A, Rivière G, Silano (until 21 December 2020†) V, Steffensen I, Tlustos C, Vernis L, Zorn H, Batke M, Bignami M, Corsini E, FitzGerald R, Gundert‐Remy U, Halldorsson T, Hart A, Ntzani E, Scanziani E, Schroeder H, Ulbrich B, Waalkens‐Berendsen D, Woelfle D, Al Harraq Z, Baert K, Carfì M, Castoldi AF, Croera C, Van Loveren H. Re-evaluation of the risks to public health related to the presence of bisphenol A (BPA) in foodstuffs. EFSA J 2023; 21:e06857. [PMID: 37089179 PMCID: PMC10113887 DOI: 10.2903/j.efsa.2023.6857] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023] Open
Abstract
In 2015, EFSA established a temporary tolerable daily intake (t-TDI) for BPA of 4 μg/kg body weight (bw) per day. In 2016, the European Commission mandated EFSA to re-evaluate the risks to public health from the presence of BPA in foodstuffs and to establish a tolerable daily intake (TDI). For this re-evaluation, a pre-established protocol was used that had undergone public consultation. The CEP Panel concluded that it is Unlikely to Very Unlikely that BPA presents a genotoxic hazard through a direct mechanism. Taking into consideration the evidence from animal data and support from human observational studies, the immune system was identified as most sensitive to BPA exposure. An effect on Th17 cells in mice was identified as the critical effect; these cells are pivotal in cellular immune mechanisms and involved in the development of inflammatory conditions, including autoimmunity and lung inflammation. A reference point (RP) of 8.2 ng/kg bw per day, expressed as human equivalent dose, was identified for the critical effect. Uncertainty analysis assessed a probability of 57-73% that the lowest estimated Benchmark Dose (BMD) for other health effects was below the RP based on Th17 cells. In view of this, the CEP Panel judged that an additional uncertainty factor (UF) of 2 was needed for establishing the TDI. Applying an overall UF of 50 to the RP, a TDI of 0.2 ng BPA/kg bw per day was established. Comparison of this TDI with the dietary exposure estimates from the 2015 EFSA opinion showed that both the mean and the 95th percentile dietary exposures in all age groups exceeded the TDI by two to three orders of magnitude. Even considering the uncertainty in the exposure assessment, the exceedance being so large, the CEP Panel concluded that there is a health concern from dietary BPA exposure.
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Deepika D, Sharma RP, Schuhmacher M, Sakhi AK, Thomsen C, Chatzi L, Vafeiadi M, Quentin J, Slama R, Grazuleviciene R, Andrušaitytė S, Waiblinger D, Wright J, Yang TC, Urquiza J, Vrijheid M, Casas M, Domingo JL, Kumar V. Unravelling sex-specific BPA toxicokinetics in children using a pediatric PBPK model. ENVIRONMENTAL RESEARCH 2022; 215:114074. [PMID: 35995217 DOI: 10.1016/j.envres.2022.114074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Bisphenol A (BPA) is a widely known endocrine disruptor (ED) found in many children's products such as toys, feeding utensils, and teething rings. Recent epidemiology association studies have shown postnatal BPA exposure resulted in developing various diseases such as diabetes, obesity, and neurodegeneration, etc., later in their lives. However, little is known about its sex-specific metabolism and consequently internal exposure. The aim of this study was to develop a sex-specific pediatric physiologically based pharmacokinetic model (PBPK) for BPA to compare their toxicokinetic differences. First, the published adult PBPK model was re-validated, and then this model was extended by interpolation to incorporate pediatric sex specific physiological and biochemical parameters. We used both the classical body weight and ontogeny-based scaling approach to interpolate the metabolic process. Then, the pharmacokinetic attributes of the models using the two-scaling approach mentioned above were compared with adult model. Further, a sex-specific PBPK model with an ontogeny scaling approach was preferred to evaluate the pharmacokinetic differences. Moreover, this model was used to reconstruct the BPA exposure from two cohorts (Helix and PBAT Cohort) from 7 EU countries. The half-life of BPA was found to be almost the same in boys and girls at the same exposure levels. Our model estimated BPA children's exposure to be about 1500 times higher than the tolerable daily intake (TDI) recently set by European Food Safety Authority (EFSA) i.e., 0.04 ng/kg BW/day. The model demonstrated feasibility of extending the adult PBPK to sex-specific pediatric, thus investigate a gender-specific health risk assessment.
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Affiliation(s)
- Deepika Deepika
- Environmental Engineering Laboratory, Departament D' Enginyeria Quimica, Universitat Rovira I Virgili, Av. Països Catalans 26, 43007, Tarragona, Catalonia, Spain
| | - Raju Prasad Sharma
- Environmental Engineering Laboratory, Departament D' Enginyeria Quimica, Universitat Rovira I Virgili, Av. Països Catalans 26, 43007, Tarragona, Catalonia, Spain
| | - Marta Schuhmacher
- Environmental Engineering Laboratory, Departament D' Enginyeria Quimica, Universitat Rovira I Virgili, Av. Països Catalans 26, 43007, Tarragona, Catalonia, Spain
| | | | | | - Leda Chatzi
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece
| | - Marina Vafeiadi
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece
| | - Joane Quentin
- Team of Environmental Epidemiology, IAB, Institute for Advanced Biosciences, Inserm, CNRS, CHU-Grenoble-Alpes, University Grenoble-Alpes, CNRS, Grenoble, France
| | - Remy Slama
- Team of Environmental Epidemiology, IAB, Institute for Advanced Biosciences, Inserm, CNRS, CHU-Grenoble-Alpes, University Grenoble-Alpes, CNRS, Grenoble, France
| | | | - Sandra Andrušaitytė
- Department of Environmental Sciences, Vytautas Magnus University, Kaunas, Lithuania
| | - Dagmar Waiblinger
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - John Wright
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Tiffany C Yang
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Jose Urquiza
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Martine Vrijheid
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Maribel Casas
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - José L Domingo
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira I Virgili, Reus, Spain
| | - Vikas Kumar
- Environmental Engineering Laboratory, Departament D' Enginyeria Quimica, Universitat Rovira I Virgili, Av. Països Catalans 26, 43007, Tarragona, Catalonia, Spain; IISPV, Hospital Universitari Sant Joan de Reus, Universitat Rovira I Virgili, Reus, Spain.
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11
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Jin ZY, Liu CK, Hong YQ, Liang YX, Liu L, Yang ZM. BHPF exposure impairs mouse and human decidualization. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 304:119222. [PMID: 35378203 DOI: 10.1016/j.envpol.2022.119222] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 03/15/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
Although BHPF has been widely used in plastic manufacturing as a substitute for BPA, current evidence suggests that BHPF also causes harmful effects on reproduction. However, effects of BHPF on mammalian early pregnancy are still poorly defined. This study aimed to explore the effects of BHPF on early pregnancy, especially decidualization and embryonic development in mice and human beings. The results showed that 50 and 100 mg/kg BHPF exposure reduced birth weight, and implantation site weight on the day 8 of pregnancy in mice. Because BHPF inhibits both embryo development and artificial decidualization in mice, suggesting that the detrimental effects of BHPF should be from its effects on embryo development and decidualization. Under in vitro decidualization, 10 μM BHPF inhibits decidualization and leads to disordered expression of Lamin B1 and collagen in mice. In addition, 10 μM BHPF also inhibits decidualization, and causes disordered expression of both collagen III and Lamin B1 under human in vitro decidualization. However, collagen III supplementation can rescue BHPF inhibition on decidualization. Further, our study demonstrates that BHPF impairs human decidualization through the HB-EGF/EGFR/STAT3/Collagen III pathway. Taken together these data suggest that exposure to BHPF impairs mouse and human decidualization during early pregnancy.
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Affiliation(s)
- Zhi-Yong Jin
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Cheng-Kan Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Yu-Qi Hong
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Yu-Xiang Liang
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Experimental Animal Center of Shanxi Medical University, Taiyuan, 030001, Shanxi, China
| | - Li Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Zeng-Ming Yang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
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12
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Abruzzese GA, Silva AF, Velazquez ME, Ferrer MJ, Motta AB. Hyperandrogenism and Polycystic ovary syndrome: Effects in pregnancy and offspring development. WIREs Mech Dis 2022; 14:e1558. [PMID: 35475329 DOI: 10.1002/wsbm.1558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/18/2022] [Accepted: 04/01/2022] [Indexed: 11/10/2022]
Abstract
Polycystic ovary syndrome (PCOS) is one of the major endocrine disorders affecting women of reproductive age. Its etiology remains unclear. It is suggested that environmental factors, and particularly the intrauterine environment, play key roles in PCOS development. Besides the role of androgens in PCOS pathogenesis, exposure to endocrine disruptors, as is Bisphenol A, could also contribute to its development. Although PCOS is considered one of the leading causes of ovarian infertility, many PCOS patients can get pregnant. Some of them by natural conception and others by assisted reproductive technique treatments. As hyperandrogenism (one of PCOS main features) affects ovarian and uterine functions, PCOS women, despite reaching pregnancy, could present high-risk pregnancies, including implantation failure, an increased risk of gestational diabetes, preeclampsia, and preterm birth. Moreover, hyperandrogenism may also be maintained in these women during pregnancy. Therefore, as an altered uterine milieu, including hormonal imbalance, could affect the developing organisms, monitoring these patients throughout pregnancy and their offspring development is highly relevant. The present review focuses on the impact of androgenism and PCOS on fertility issues and pregnancy-related outcomes and offspring development. The evidence suggests that the increased risk of pregnancy complications and adverse offspring outcomes of PCOS women would be due to the factors involved in the syndrome pathogenesis and the related co-morbidities. A better understanding of the involved mechanisms is still needed and could contribute to a better management of these women and their offspring. This article is categorized under: Reproductive System Diseases > Molecular and Cellular Physiology Reproductive System Diseases > Environmental Factors.
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Affiliation(s)
- Giselle A Abruzzese
- Laboratorio de Fisiopatología Ovárica, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Aimé F Silva
- Laboratorio de Fisiopatología Ovárica, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Mariela E Velazquez
- Laboratorio de Fisiopatología Ovárica, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Maria-José Ferrer
- Laboratorio de Fisiopatología Ovárica, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Alicia B Motta
- Laboratorio de Fisiopatología Ovárica, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
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13
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Plante I, Winn LM, Vaillancourt C, Grigorova P, Parent L. Killing two birds with one stone: Pregnancy is a sensitive window for endocrine effects on both the mother and the fetus. ENVIRONMENTAL RESEARCH 2022; 205:112435. [PMID: 34843719 DOI: 10.1016/j.envres.2021.112435] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 06/13/2023]
Abstract
Pregnancy is a complex process requiring tremendous physiological changes in the mother in order to fulfill the needs of the growing fetus, and to give birth, expel the placenta and nurse the newborn. These physiological modifications are accompanied with psychological changes, as well as with variations in habits and behaviors. As a result, this period of life is considered as a sensitive window as impaired functional and physiological changes in the mother can have short- and long-term impacts on her health. In addition, dysregulation of the placenta and of mechanisms governing placentation have been linked to chronic diseases later-on in life for the fetus, in a concept known as the Developmental Origin of Health and Diseases (DOHaD). This concept stipulates that any change in the environment during the pre-conception and perinatal (in utero life and neonatal) period to puberty, can be "imprinted" in the organism, thereby impacting the health and risk of chronic diseases later in life. Pregnancy is a succession of events that is regulated, in large part, by hormones and growth factors. Therefore, small changes in hormonal balance can have important effects on both the mother and the developing fetus. An increasing number of studies demonstrate that exposure to endocrine disrupting compounds (EDCs) affect both the mother and the fetus giving rise to growing concerns surrounding these exposures. This review will give an overview of changes that happen during pregnancy with respect to the mother, the placenta, and the fetus, and of the current literature regarding the effects of EDCs during this specific sensitive window of exposure.
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Affiliation(s)
- Isabelle Plante
- INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC, Canada.
| | - Louise M Winn
- Queen's University, School of Environmental Studies, Department of Biomedical and Molecular Sciences, Kingston, ON, Canada
| | | | - Petya Grigorova
- Département Science et Technologie, Université TELUQ, Montreal, QC, Canada
| | - Lise Parent
- Département Science et Technologie, Université TELUQ, Montreal, QC, Canada
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14
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Yahaya N, Huang ZA, Yan B, Chen DDY. Capillary electrophoresis-mass spectrometry analysis of bisphenol A and its analogues in bottled tea beverages with dynamic pH focusing. Food Chem 2022; 372:131220. [PMID: 34607048 DOI: 10.1016/j.foodchem.2021.131220] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 09/07/2021] [Accepted: 09/23/2021] [Indexed: 01/25/2023]
Abstract
A simple and sensitive method for the determination of bisphenol A and its analogues at the ng/mL level in bottled tea beverages is presented. This method utilized a dynamic pH junction to focus the analyte into a more concentrated zone, based on the electrophoretic mobility difference of analytes in the sample matrix and background electrolytes in capillary electrophoresis coupled to mass spectrometry (CE-MS). The optimised analyte focusing led to enhanced signal detection with average peak heights for five bisphenols of 53-170 folds higher than conventional injections. Under optimised conditions, the method showed good linearity in the range of 0.1-100 ng/mL, excellent limits of detection (0.03-0.04 ng/mL), good analyte recovery (80.3-118.1%) with acceptable relative standard deviations (<12%). The limits of quantifications were below the maximum permissible content of bisphenol A set by the European Commission for this product. This method was used to quantitatively analyse bisphenols in six different kinds of bottled tea beverages, making it a promising tool for practical applications.
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Affiliation(s)
- Noorfatimah Yahaya
- Integrative Medicine Cluster, Advanced Medical and Dental Institute (AMDI), Universiti Sains Malaysia, 13200 Bertam Kepala Batas, Penang, Malaysia; Department of Chemistry, University of British Columbia, Vancouver V6T 1Z1, BC, Canada.
| | - Zi-Ao Huang
- Department of Chemistry, University of British Columbia, Vancouver V6T 1Z1, BC, Canada
| | - Binjun Yan
- Department of Chemistry, University of British Columbia, Vancouver V6T 1Z1, BC, Canada; College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China
| | - David D Y Chen
- Department of Chemistry, University of British Columbia, Vancouver V6T 1Z1, BC, Canada.
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15
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Ao J, Huo X, Zhang J, Mao Y, Li G, Ye J, Shi Y, Jin F, Bao S, Zhang J. Environmental exposure to bisphenol analogues and unexplained recurrent miscarriage: A case-control study. ENVIRONMENTAL RESEARCH 2022; 204:112293. [PMID: 34728239 DOI: 10.1016/j.envres.2021.112293] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 10/24/2021] [Accepted: 10/25/2021] [Indexed: 06/13/2023]
Abstract
The use of bisphenol A (BPA) has been substantially limited since 2010 due to its toxicity to human health. A group of bisphenol analogues that are structurally similar to BPA have been developed as the alternatives and used widely. The reproductive toxicity of these emerging chemicals has caused substantial concerns in recent years. Whether bisphenol analogues affect miscarriage, especially unexplained recurrent miscarriage (URM), remains to be explored. We conducted a hospital-based, case-control study with 1180 URM cases and 571 controls in China from 2014 to 2016. Concentrations of six bisphenol analogues (BPA, BPAF, BPAP, BPB, BPP and BPS) were measured in the urine samples collected at median intervals of 7.6 months after last miscarriage (interquartile ranges: 4.8, 14.7 months). Multiple logistic regression, Bayesian kernel machine regression (BKMR) and quantile g-computation (q-gcomp) were used to assess the relationship of bisphenol analogues with URM risk. We observed significantly higher levels of all urinary bisphenols in the cases than the controls. After controlling for potential confounders, bisphenol analogues were significantly associated with increased odds of URM in varying degrees. A dose-response pattern was observed for the associations of BPAF, BPAP and BPB quartiles with URM. The mixed exposure of six bisphenol analogues was positively associated with the risk of URM (adjusted odds ratio (aOR) = 1.25; 1.11-1.42), which was mainly driven by BPAP (60.1%), BPAF (25.1%) and BPA (14.8%). After age stratification, the risks tended to be higher in women aged 30 years or older, compared to women <30 years. Our large case-control study indicates that environmental exposure to bisphenol analogues is associated with an increased risk of URM. Older women may be more vulnerable to the insult.
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Affiliation(s)
- Junjie Ao
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Xiaona Huo
- Obstetrics Department, International Peace Maternity and Child Health Hospital of China, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China
| | - Jiangtao Zhang
- Center for Reproductive Medicine, Provincial Hospital Affiliated to Shandong University, Jinan, 250001, China
| | - Yuchan Mao
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, China
| | - Guohua Li
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, 201204, China
| | - Jiangfeng Ye
- Department of Clinical Epidemiology, Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, 200011, China
| | - Yuhua Shi
- Center for Reproductive Medicine, Provincial Hospital Affiliated to Shandong University, Jinan, 250001, China
| | - Fan Jin
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, China.
| | - Shihua Bao
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, 201204, China.
| | - Jun Zhang
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China; School of Public Health, Shanghai Jiao Tong University, Shanghai, 200025, China.
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16
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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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17
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Zhang Y, Mustieles V, Williams PL, Yland J, Souter I, Braun JM, Calafat AM, Hauser R, Messerlian C. Prenatal urinary concentrations of phenols and risk of preterm birth: exploring windows of vulnerability. Fertil Steril 2021; 116:820-832. [PMID: 34238571 DOI: 10.1016/j.fertnstert.2021.03.053] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 03/12/2021] [Accepted: 03/31/2021] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To explore windows of vulnerability to prenatal urinary phenol concentrations and preterm birth. DESIGN Prospective cohort. SETTING A large fertility center in Boston, Massachusetts. PATIENT(S) A total of 386 mothers who sought fertility treatment and gave birth to a singleton between 2005 and 2018. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) Singleton live birth with gestational age <37 completed weeks. RESULT(S) Compared with women with non-preterm births, urinary bisphenol A (BPA) concentrations were higher across gestation among women with preterm births, particularly during mid-to-late pregnancy and among those with female infants. Second trimester BPA concentrations were associated with preterm birth (Risk Ratio [RR] 1.24; 95%CI: 0.92, 1.69), which was primarily driven by female (RR 1.40; 95%CI: 1.04, 1.89) and not male (RR 0.85; 95%CI 0.50, 1.46) infants. First trimester paraben concentrations were also associated with preterm birth (RR 1.17; 95%CI: 0.94, 1.46) and similarly the association was only observed for female (RR 1.46; 95% CI: 1.10, 1.94) and not male infants (RR 0.94; 95%CIC: 0.72, 1.23). First trimester urinary bisphenol S concentrations showed a suggested risk of preterm birth (RR 1.25; 95%CI: 0.82, 1.89), although the small case numbers precluded sex-specific examination. CONCLUSION(S) We found preliminary evidence of associations between mid-to-late pregnancy BPA and early pregnancy paraben concentrations with preterm birth among those with female infants only. Preterm birth risk may be compound, sex, and window specific. Given the limited sample size of this cohort, results should be confirmed in larger studies, including fertile populations.
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Affiliation(s)
- Yu Zhang
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Vicente Mustieles
- Center for Biomedical Research (CIBM), University of Granada, Instituto de Investigación Biosanitaria (IBS), and Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Granada, Spain
| | - Paige L Williams
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts; Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Jennifer Yland
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Irene Souter
- Massachusetts General Hospital Fertility Center, Harvard Medical School, Boston, Massachusetts
| | - Joseph M Braun
- Department of Epidemiology, Brown University School of Public Health, Providence, Rhode Island
| | - Antonia M Calafat
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Russ Hauser
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts; Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Carmen Messerlian
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts; Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts; Vincent Center for Reproductive Biology, Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, Massachusetts.
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18
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Maternal high-fat diet during pregnancy with concurrent phthalate exposure leads to abnormal placentation. Sci Rep 2021; 11:16602. [PMID: 34400704 PMCID: PMC8368193 DOI: 10.1038/s41598-021-95898-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/26/2021] [Indexed: 11/16/2022] Open
Abstract
Di(2-ethylhexyl) phthalate (DEHP) is a synthetic chemical commonly used for its plasticizing capabilities. Because of the extensive production and use of DEHP, humans are exposed to this chemical daily. Diet is a significant exposure pathway and fatty food contain the highest level of phthalates. The impact on pregnancy following DEHP exposure and the associated interaction of high fat (HF) diet remains unknown. Here we report that exposure of pregnant mice to an environmentally relevant level of DEHP did not affect pregnancy. In contrast, mice fed a HF diet during gestation and exposed to the same level of DEHP display marked impairment in placental development, resulting in poor pregnancy outcomes. Our study further reveals that DEHP exposure combined with a HF diet interfere with the signaling pathway controlled by nuclear receptor PPARγ to adversely affect differentiation of trophoblast cells, leading to compromised vascularization and glucose transport in the placenta. Collectively, these findings demonstrate that maternal diet during pregnancy is a critical factor that determines whether exposure to an environmental toxicant results in impaired placental and fetal development, causing intrauterine growth restriction, fetal morbidity, and mortality.
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Effects of Endocrine-Disrupting Chemicals on Endometrial Receptivity and Embryo Implantation: A Systematic Review of 34 Mouse Model Studies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18136840. [PMID: 34202247 PMCID: PMC8297133 DOI: 10.3390/ijerph18136840] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/17/2021] [Accepted: 06/23/2021] [Indexed: 01/23/2023]
Abstract
Several available studies have already analyzed the systemic effects of endocrine-disrupting chemicals (EDCs) on fertile woman and neonatal outcomes, but little is still known in humans about the precise mechanisms of interference of these compounds with the endometrial receptivity. There is consistent evidence that continuous and prolonged exposure to EDCs is a risk factor for reduced fertility and fecundity in women. Preliminary studies on mammalian models provide robust evidence about this issue and could help gynecologists worldwide to prevent long term injury caused by EDCs on human fertility. In this systematic review, we aimed to systematically summarize all available data about EDC effects on blastocyst endometrial implantation. We performed a systematic review using PubMed®/MEDLINE® to summarize all in vivo studies, carried out on mice models, analyzing the molecular consequences of the prolonged exposure of EDC on the implantation process. 34 studies carried out on mouse models were included. Primary effects of EDC were a reduction of the number of implantation sites and pregnancy rates, particularly after BPA and phthalate exposure. Furthermore, the endometrial expression of estrogen (ER) and progesterone receptors (PR), as well as their activation pathways, is compromised after EDC exposure. Finally, the expression of the primary endometrial markers of receptivity (such as MUC1, HOXA10, Inn and E-cadherin) after EDC contact was analyzed. In conclusion EDC deeply affect blastocyst implantation in mouse model. Several players of the implantation mechanism are strongly influenced by the exposure to different categories of EDC.
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20
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Zhao F, Liu H, Li Z, Lin P, Wang A, Jin Y, Yi Y. Low-dose bisphenol A impairs the function of mouse decidual stromal cells by activating LUMAN-mediated unfolded protein response. Food Chem Toxicol 2021; 153:112242. [PMID: 33930482 DOI: 10.1016/j.fct.2021.112242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 03/30/2021] [Accepted: 04/22/2021] [Indexed: 11/15/2022]
Abstract
The nonsteroidal estrogenic compound bisphenol A (BPA) is widely present in several industrial and medical products including plastic food containers and sealants in dentistry. There are growing concerns on the toxic effects of this compounds since BPA is known to have reproductive toxicity. This study evaluated the effects of low-dose BPA exposure on decidual stromal cells (DSCs) of mice. The results showed that although 10 nM of BPA have no significant effect on the cell viability, it alters the expression of decidualization-related genes including Prl8a2, Prl3c1, Ptgs2, and Mmp2. Moreover, we found that low-dose BPA exposure induces UPR response in DSCs. However, the expression of the three major UPR receptors (Perk, Ire 1, and Xbp1) did not change significantly. Interestingly, the expression of Luman, a novel receptor of UPR, was significantly upregulated in a dose-dependent manner. Lentivirus containing shLuman sequence was used to generate stable Luman silencing DSCs. It's showed that Luman knockdown could affect the expression of decidualization-related genes in decidual cells after BPA treatment. In summary, these results suggest that Luman plays a key role in low dose BPA-induced decidual toxicity of DSCs in mouse.
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Affiliation(s)
- Fan Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China
| | - Huan Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China
| | - Zhanghuan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Pengfei Lin
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China
| | - Aihua Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China
| | - Yaping Jin
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China.
| | - Yanglei Yi
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China.
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Structural and chemical role of mesenchymal stem cells and resveratrol in regulation of apoptotic -induced genes in Bisphenol-A induced uterine damage in adult female albino rats. Tissue Cell 2021; 70:101502. [PMID: 33582552 DOI: 10.1016/j.tice.2021.101502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/23/2021] [Accepted: 01/24/2021] [Indexed: 02/03/2023]
Abstract
The probable beneficial effects of mesenchymal stem cells (MSCs) and resveratrol were assessed in an experimental model of Bisphenol-A (BPA)-evident uterine damage in rats. Thirty-five albino rats were involved and equally divided into five groups: Group I: negative control rats received usual diet, Group II: positive control rats received BPA by oral gavage for 15 days, Group III: BPA-treated rats received single oral gavage of resveratrol daily for two weeks, Group IV: BPA-treated rats received a single intravenous dose of MSCs and Group V: BPA-treated rats received combined treatment of resveratrol and MSCs. Oxidative stress markers, apoptosis-related genes, and gonadal hormones were assessed. Histological and immunohistochemical examination of uterine tissue was conducted for TGF-β 1. Caspases-3, 8, and 9 (Casp3, Casp8, Casp9) genes were assessed in uterine tissues by quantitative real-time PCR. Results revealed that BPA induced significant changes in the endometrial tissue, inflammatory cell infiltration, focal blood extravasation, increase in collagen fibers, decrease in PAS staining, and increase in TGF-β 1 immunoreactivity. BPA also induced a significant increase in oxidative stress markers; malondialdehyde (MDA), SOD, CAT, and apoptosis-related genes. BPA induced a significant change in blood levels of gonadal hormones; a significant increase in FSH and a significant decrease in estradiol (E2) and progesterone (P). Treatment with either resveratrol, MSCs, or a combination of them resulted in significant enhancement of histological findings, restoration of gonadal hormones to near-normal levels, and a significant decrease in oxidative stress markers and apoptosis genes. Combined treatment with resveratrol and MSCs demonstrated more significant therapeutic effects as regard to the studied parameters in association with rat groups treated with either MSCs or resveratrol separately.
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22
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Xue W, Yao X, Ting G, Ling J, Huimin L, Yuan Q, Chun Z, Ming Z, Yuanzhen Z. BPA modulates the WDR5/TET2 complex to regulate ERβ expression in eutopic endometrium and drives the development of endometriosis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 268:115748. [PMID: 33022573 DOI: 10.1016/j.envpol.2020.115748] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/07/2020] [Accepted: 09/24/2020] [Indexed: 06/11/2023]
Abstract
Overexpression of estrogen receptor β (ERβ) in endometrium contributes to endometriosis (EM) pathogenesis. Trimethylation of the H3 lysine (K) 4 (H3K4me3) in promoters is strongly correlated with gene expression. This study aimed to explore the effects of bisphenol A (BPA) exposure on EM development from the perspective of the regulation of ERβ expression in eutopic endometrium via the H3K4me3-related epigenetic pathway. A mouse EM model was established to investigate the effects of BPA. Immortalized human normal endometrial stromal cells (iESCs) were cultured and treated with BPA to explore the underlying mechanism. Eutopic endometria from patients with or without EM were collected and analyzed. Results showed that BPA elevated ERβ expression in mouse eutopic endometrium and promoted lesion growth. BPA also promoted WD repeat domain 5 (WDR5) expression and upregulated H3K4me3 levels in the ERβ promoter and Exon 1. Further research indicated that WDR5 interacted with tet methylcytosine dioxygenase 2 (TET2), while BPA exposure enhanced the interaction between these two proteins, promoted the recruitment of the WDR5/TET2 complex to the ERβ promoter and Exon 1, and inhibited DNA methylation of CpG islands. The WDR5/TET2 interaction was essential for BPA-induced ERβ overexpression. Enhanced WDR5/TET2 interaction was also observed in eutopic endometria from EM patients. Further results showed that BPA upregulated WDR5 expression through the G protein-coupled estrogen receptor (GPER)-mediated PI3K/mTOR signaling pathway. In conclusion, our study suggests that BPA exposure promotes EM development by upregulating ERβ expression in eutopic endometrium via the WDR5/TET2-mediated epigenetic pathway.
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Affiliation(s)
- Wen Xue
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China; Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Xiong Yao
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China; Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Geng Ting
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China; Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Jin Ling
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China; Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Liu Huimin
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China; Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Qiao Yuan
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China; Department of Obstetrics and Gynecology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
| | - Zhou Chun
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China; Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Zhang Ming
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China; Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China.
| | - Zhang Yuanzhen
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China; Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China; Department of Obstetrics and Gynecology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China.
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23
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Cimmino I, Fiory F, Perruolo G, Miele C, Beguinot F, Formisano P, Oriente F. Potential Mechanisms of Bisphenol A (BPA) Contributing to Human Disease. Int J Mol Sci 2020; 21:E5761. [PMID: 32796699 PMCID: PMC7460848 DOI: 10.3390/ijms21165761] [Citation(s) in RCA: 163] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 12/19/2022] Open
Abstract
Bisphenol A (BPA) is an organic synthetic compound serving as a monomer to produce polycarbonate plastic, widely used in the packaging for food and drinks, medical devices, thermal paper, and dental materials. BPA can contaminate food, beverage, air, and soil. It accumulates in several human tissues and organs and is potentially harmful to human health through different molecular mechanisms. Due to its hormone-like properties, BPA may bind to estrogen receptors, thereby affecting both body weight and tumorigenesis. BPA may also affect metabolism and cancer progression, by interacting with GPR30, and may impair male reproductive function, by binding to androgen receptors. Several transcription factors, including PPARγ, C/EBP, Nrf2, HOX, and HAND2, are involved in BPA action on fat and liver homeostasis, the cardiovascular system, and cancer. Finally, epigenetic changes, such as DNA methylation, histones modification, and changes in microRNAs expression contribute to BPA pathological effects. This review aims to provide an extensive and comprehensive analysis of the most recent evidence about the potential mechanisms by which BPA affects human health.
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Affiliation(s)
| | | | | | | | | | - Pietro Formisano
- Department of Translational Medicine, Federico II University of Naples and URT “Genomic of Diabetes” of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), 80131 Naples, Italy; (I.C.); (F.F.); (G.P.); (C.M.); (F.B.); (F.O.)
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Nelson W, Adu-Gyamfi EA, Czika A, Wang YX, Ding YB. Bisphenol A-induced mechanistic impairment of decidualization. Mol Reprod Dev 2020; 87:837-842. [PMID: 32691498 DOI: 10.1002/mrd.23400] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 07/06/2020] [Indexed: 12/11/2022]
Abstract
Decidualization is a crucial precedent to embryo implantation, as its impairment is a major contributor to female infertility and pregnancy complications. Unraveling the molecular mechanisms involved in the impairment of decidualization has been a subject of interest in the field of reproductive medicine. Evidence from several experimental settings show that exposure to bisphenol A (BPA), an endocrine-disrupting chemical, affects the expression of several molecules that are involved in decidualization. Both low and high doses of BPA impair decidualization through the dysregulation of estrogen (ER) and progesterone (PR) receptors. Exposure to low doses of BPA leads to decreased levels and activities of several antioxidant enzymes, increased activity of endothelial nitric oxide synthase (eNOS), and increased production of nitric oxide (NO) via the upregulation of ER and PR. Consequently, oxidative stress is induced and decidualization becomes impaired. On the other hand, exposure to high doses of BPA downregulates ER and PR and impairs decidualization through two distinct pathways. One is through the upregulation of early growth response-1 (EGR1) via increased phosphorylation of extracellular signal-regulated protein kinases 1 and 2; and the other is through a reduced serum glucocorticoid-induced kinase-1 (SGK1)-mediated downregulation of epithelial sodium channel-α and the induction of oxidative stress. Thus, regardless of the dose, BPA can impair decidualization to trigger infertility and pregnancy complications. This warrants the need to adopt lifestyles that will decrease the tendency of getting exposed to BPA.
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Affiliation(s)
- William Nelson
- Joint International Research Laboratory of Reproduction and Development, Department of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Department of Environmental and Occupational Health, Muhimbili University of Health and Allied Sciences, Dar es salaam, Tanzania
| | - Enoch Appiah Adu-Gyamfi
- Joint International Research Laboratory of Reproduction and Development, Department of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China
| | - Armin Czika
- Joint International Research Laboratory of Reproduction and Development, Department of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China
| | - Ying-Xiong Wang
- Joint International Research Laboratory of Reproduction and Development, Department of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China
| | - Yu-Bin Ding
- Joint International Research Laboratory of Reproduction and Development, Department of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China
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25
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Tang C, Zhang J, Liu P, Zhou Y, Hu Q, Zhong Y, Wang X, Chen L. Chronic exposure to low dose of bisphenol A causes follicular atresia by inhibiting kisspeptin neurons in anteroventral periventricular nucleus in female mice. Neurotoxicology 2020; 79:164-176. [PMID: 32407858 DOI: 10.1016/j.neuro.2020.04.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 04/27/2020] [Accepted: 04/27/2020] [Indexed: 11/16/2022]
Abstract
Bisphenol-A (BPA) is an estrogenic chemical extensively used in industrial and household applications. The present study was conducted to investigate the effect of chronic exposure to BPA on the adult female neuroendocrine system. Herein, we found that expose of adult female mice to BPA (50 μg/kg) by oral gavage for 60 days (BPA mice) prolonged diestrus and decreased serum 17β-estradiol (E2) concentration by reducing the number of antral follicles and corpora luteum. In comparison with controls, the levels of serum luteinizing hormone (LH), follicle stimulating hormone (FSH), hypothalamic gonadotrophin releasing hormone (GnRH) and the expression of kisspeptin in anteroventral periventricular nucleus (AVPV) decreased in BPA mice, which could be reversed by injecting kisspeptin-10 (i.c.v.). Treatment with BPA or estrogen receptor α (ERα) antagonist MPP, but not ERβ antagonist PHTPP inhibited E2-induced AVPV-kisspeptin expression in ovariectomized mice. Use of ERα agonist PPT rather than ERβ agonist DPN enhanced AVPV-kisspepetin expression, which decreased after treatment with BPA. The amplitude of the proestrus LH surge decreased in mice exposed to BPA, but was recovered by administering kisspeptin-10. The present study provides in vivo evidence that chronic exposure to a low dose of BPA suppressed ERα-induced activation of AVPV-kisspeptin neurons, leading to prolonged diestrus and reduced ovulation in adult female mice.
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Affiliation(s)
- Chuanfeng Tang
- Department of Physiology, Nanjing Medical University, Nanjing, 211166, China; State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Jia Zhang
- Sir Run Run Hospital, Nanjing Medical University, Nanjing, 211166, China
| | - Peiyu Liu
- Department of Physiology, Nanjing Medical University, Nanjing, 211166, China
| | - Yu Zhou
- Department of Pharmacology, Nanjing Medical University, Nanjing, 211166, China
| | - Qiaoyun Hu
- Department of Physiology, Nanjing Medical University, Nanjing, 211166, China
| | - Ying Zhong
- Department of Pharmacology, Nanjing Medical University, Nanjing, 211166, China
| | - Xiaoli Wang
- Department of Physiology, Nanjing Medical University, Nanjing, 211166, China.
| | - Lei Chen
- Department of Physiology, Nanjing Medical University, Nanjing, 211166, China.
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Pivonello C, Muscogiuri G, Nardone A, Garifalos F, Provvisiero DP, Verde N, de Angelis C, Conforti A, Piscopo M, Auriemma RS, Colao A, Pivonello R. Bisphenol A: an emerging threat to female fertility. Reprod Biol Endocrinol 2020; 18:22. [PMID: 32171313 PMCID: PMC7071611 DOI: 10.1186/s12958-019-0558-8] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 12/19/2019] [Indexed: 02/07/2023] Open
Abstract
Bisphenol-A (BPA) has been reported to be associated to female infertility. Indeed, BPA has been found to be more frequently detected in infertile women thus leading to hypothesize a possible effect of BPA on natural conception and spontaneous fecundity. In addition, in procedures of medically assisted reproduction BPA exposure has been found to be negatively associated with peak serum estradiol levels during gonadotropin stimulation, number of retrieved oocytes, number of normally fertilized oocytes and implantation. BPA deleterious effects are more critical during perinatal exposure, causing dysregulation of hypothalamic-pituitary-ovarian axis in pups and adults, with a precocious maturation of the axis through a damage of GnRH pulsatility, gonadotropin signaling and sex steroid hormone production. Further, BPA exposure during early lifestage may have a transgenerational effect predisposing the subsequent generations to the risk of developing BPA related disease. Experimental studies suggested that prenatal, perinatal and postnatal exposure to BPA can impair several steps of ovarian development, induce ovarian morphology rearrangement and impair ovarian function, particularly folliculogenesis, as well as can impair uterus morphology and function, in female adult animal and offspring. Finally, studies carried out in animal models have been reported the occurrence of endometriosis-like lesions after BPA exposure. Moreover, BPA exposure has been described to encourage the genesis of PCOS-like abnormalities through the impairment of the secretion of sex hormones affecting ovarian morphology and functions, particularly folliculogenesis. The current manuscript summarizes the evidence regarding the association between BPA exposure and female infertility, reviewing both clinical and preclinical studies.
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Affiliation(s)
- Claudia Pivonello
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
| | - Giovanna Muscogiuri
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy.
| | - Antonio Nardone
- Dipartimento di Sanità Pubblica, Università "Federico II" di Napoli, Naples, Italy
| | - Francesco Garifalos
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
| | - Donatella Paola Provvisiero
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- Dipartimento di Sanità Pubblica, Università "Federico II" di Napoli, Naples, Italy
- I.O.S. & COLEMAN Srl, Naples, Italy
| | - Nunzia Verde
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
| | - Cristina de Angelis
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- Dipartimento di Sanità Pubblica, Università "Federico II" di Napoli, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
- I.O.S. & COLEMAN Srl, Naples, Italy
| | - Alessandro Conforti
- Dipartimento di Neuroscienze, Scienze Riproduttive ed Odontostomatologiche, Università "Federico II" di Napoli, Naples, Italy
| | - Mariangela Piscopo
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
- Laboratory of Seminology-sperm bank "Loredana Gandini", Department of Experimental Medicine, University of Rome "La Sapienza", Rome, Italy
| | - Renata Simona Auriemma
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
| | - Annamaria Colao
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
- Cattedra Unesco "Educazione alla salute e allo sviluppo sostenibile", Università "Federico II" di Napoli, Naples, Italy
| | - Rosario Pivonello
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
- Cattedra Unesco "Educazione alla salute e allo sviluppo sostenibile", Università "Federico II" di Napoli, Naples, Italy
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Endocrine Disruptors in Water and Their Effects on the Reproductive System. Int J Mol Sci 2020; 21:ijms21061929. [PMID: 32178293 PMCID: PMC7139484 DOI: 10.3390/ijms21061929] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/04/2020] [Accepted: 03/06/2020] [Indexed: 12/12/2022] Open
Abstract
Anthropogenic contaminants in water can impose risks to reproductive health. Most of these compounds are known to be endocrine disrupting chemicals (EDCs). EDCs can impact the endocrine system and subsequently impair the development and fertility of non-human animals and humans. The source of chemical contamination in water is diverse, originating from byproducts formed during water disinfection processes, release from industry and livestock activity, or therapeutic drugs released into sewage. This review discusses the occurrence of EDCs in water such as disinfection byproducts, fluorinated compounds, bisphenol A, phthalates, pesticides, and estrogens, and it outlines their adverse reproductive effects in non-human animals and humans.
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Desmarchais A, Téteau O, Papillier P, Jaubert M, Druart X, Binet A, Maillard V, Elis S. Bisphenol S Impaired In Vitro Ovine Early Developmental Oocyte Competence. Int J Mol Sci 2020; 21:ijms21041238. [PMID: 32059612 PMCID: PMC7072985 DOI: 10.3390/ijms21041238] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/06/2020] [Accepted: 02/11/2020] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Bisphenol A (BPA) is a widespread compound in the plastic industry that is especially used to produce baby bottles, food packaging and metal cans. BPA, an endocrine disruptor, leads to alterations in reproductive function and therefore has been banned from the food industry. Unregulated BPA analogues, particularly Bisphenol S (BPS), have emerged and are now used in the plastic industry. Thus, this study aimed to examine the acute effects of low and environmental doses of BPS on ewe oocyte quality and developmental competence, and its mechanism of action, during in vitro maturation. METHODS Ewe cumulus-oocyte complexes underwent in vitro maturation in the presence or absence of BPS (1 nM, 10 nM, 100 nM, 1 µM or 10 µM). Oocytes were then subjected to in vitro fertilisation and development. RESULTS 1 µM BPS induced a 12.7% decrease in the cleavage rate (p = 0.004) and a 42.6% decrease in the blastocyst rate (p = 0.017) compared to control. The blastocyst rate reduction was also observed with 10 nM BPS. Furthermore, 10 µM BPS reduced the oocyte maturation rate, and 1 µM BPS decreased cumulus cell progesterone secretion. PR and AMH gene expression were reduced in cumulus cells. BPS induced a 5-fold increase in MAPK 3/1 activation (p = 0.04). CONCLUSIONS BPS impaired ewe oocyte developmental competence. The data suggest that BPS might not be a safe BPA analogue. Further studies are required to elucidate its detailed mechanism of action.
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Affiliation(s)
- Alice Desmarchais
- UMR PRC, CNRS, IFCE, INRAE, Université de Tours, 37380 Nouzilly, France; (A.D.); (O.T.); (P.P.); (M.J.); (X.D.); (A.B.); (V.M.)
| | - Ophélie Téteau
- UMR PRC, CNRS, IFCE, INRAE, Université de Tours, 37380 Nouzilly, France; (A.D.); (O.T.); (P.P.); (M.J.); (X.D.); (A.B.); (V.M.)
| | - Pascal Papillier
- UMR PRC, CNRS, IFCE, INRAE, Université de Tours, 37380 Nouzilly, France; (A.D.); (O.T.); (P.P.); (M.J.); (X.D.); (A.B.); (V.M.)
| | - Manon Jaubert
- UMR PRC, CNRS, IFCE, INRAE, Université de Tours, 37380 Nouzilly, France; (A.D.); (O.T.); (P.P.); (M.J.); (X.D.); (A.B.); (V.M.)
| | - Xavier Druart
- UMR PRC, CNRS, IFCE, INRAE, Université de Tours, 37380 Nouzilly, France; (A.D.); (O.T.); (P.P.); (M.J.); (X.D.); (A.B.); (V.M.)
| | - Aurélien Binet
- UMR PRC, CNRS, IFCE, INRAE, Université de Tours, 37380 Nouzilly, France; (A.D.); (O.T.); (P.P.); (M.J.); (X.D.); (A.B.); (V.M.)
- CHRU de Tours, 37000 Tours, France
| | - Virginie Maillard
- UMR PRC, CNRS, IFCE, INRAE, Université de Tours, 37380 Nouzilly, France; (A.D.); (O.T.); (P.P.); (M.J.); (X.D.); (A.B.); (V.M.)
| | - Sebastien Elis
- UMR PRC, CNRS, IFCE, INRAE, Université de Tours, 37380 Nouzilly, France; (A.D.); (O.T.); (P.P.); (M.J.); (X.D.); (A.B.); (V.M.)
- Correspondence: ; Tel.: +33-2-47427598; Fax: +33-2-47427743
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29
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Wen X, Xiong Y, Jin L, Zhang M, Huang L, Mao Y, Zhou C, Qiao Y, Zhang Y. Bisphenol A Exposure Enhances Endometrial Stromal Cell Invasion and Has a Positive Association with Peritoneal Endometriosis. Reprod Sci 2020; 27:704-712. [PMID: 32046440 DOI: 10.1007/s43032-019-00076-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 07/02/2019] [Indexed: 11/25/2022]
Abstract
Results of previous epidemiology studies on BPA exposure and endometriosis (EMs) risk were inconsistent, and were limited by inappropriate control selection, incorrect BPA detection method, and the generalization of different subtypes of EMs. Upregulated matrix metalloproteinase (MMP) 2 and MMP9 are involved in the development of EMs. We conducted a case-control study among 120 EMs patients and 100 healthy women to evaluate the relationships between BPA exposure and MMP2, MMP9 expressions, and the risk of EMs subtypes. Besides, we used human endometrial stromal cell lines (HESCs) to investigate the underlying mechanisms. Creatinine-adjusted urinary BPA concentrations were positively correlated with serum MMP2, MMP9 levels, and the risk of peritoneal EMs (third vs lowest quartile: OR 4.92, 95% CI 1.47, 16.50; fourth versus lowest quartile: OR 3.70, 95% CI 1.07, 12.74, Ptrend = 0.030). The risk of peritoneal EMs increased approximately tenfold when creatinine-adjusted urinary BPA concentration was 2 μg/g. In vitro study found that BPA exposure increased MMP2, MMP9 expressions in a dose-dependent manner. The effects of BPA on HESCs could be blocked by G protein-coupled estrogen receptor (GPER) inhibitor or mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) inhibitor. This study provides evidence that BPA exposure promotes peritoneal EMs, and raises a concern about the potential toxicity of BPA on the female reproductive system.
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Affiliation(s)
- Xue Wen
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Yao Xiong
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Ling Jin
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Ming Zhang
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Lei Huang
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Yanhong Mao
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Chun Zhou
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
| | - Yuan Qiao
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China
- Department of Obstetrics and Gynecology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
| | - Yuanzhen Zhang
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China.
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, 430071, Hubei, People's Republic of China.
- Department of Obstetrics and Gynecology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China.
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Wu SP, Anderson ML, Wang T, Zhou L, Emery OM, Li X, DeMayo FJ. Dynamic transcriptome, accessible genome, and PGR cistrome profiles in the human myometrium. FASEB J 2019; 34:2252-2268. [PMID: 31908010 DOI: 10.1096/fj.201902654r] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/20/2019] [Accepted: 11/23/2019] [Indexed: 02/04/2023]
Abstract
The myometrium undergoes structural and functional remodeling during pregnancy. We hypothesize that myometrial genomic elements alter correspondingly in preparation for parturition. Human myometrial tissues from nonpregnant (NP) and term pregnant (TP) human subjects were examined by RNAseq, ATACseq, and PGR ChIPseq assays to profile transcriptome, assessible genome, and PGR occupancy. NP and TP specimens exhibit 2890 differentially expressed genes, reflecting an increase of metabolic, inflammatory, and PDGF signaling, among others, in adaptation to pregnancy. At the epigenome level, patterns of accessible genome change between NP and TP myometrium, leading to the altered enrichment of binding motifs for hormone and muscle regulators such as the progesterone receptor (PGR), Krüppel-like factors, and MEF2A transcription factors. PGR genome occupancy exhibits a significant difference between the two stages of the myometrium, concomitant with distinct transcriptomic profiles including genes such as ENO1, LHDA, and PLCL1 in the glycolytic and calcium signaling pathways. Over-representation of SRF, MYOD, and STAT binding motifs in PGR occupying sites further suggests interactions between PGR and major muscle regulators for myometrial gene expression. In conclusion, changes in accessible genome and PGR occupancy are part of the myometrial remodeling process and may serve as mechanisms to formulate the state-specific transcriptome profiles.
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Affiliation(s)
- San-Pin Wu
- Reproductive & Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Matthew L Anderson
- Department of Obstetrics & Gynecology, University of South Florida Morsani College of Medicine and Moffitt Cancer Center, Tampa, FL
| | - Tianyuan Wang
- Integrative Bioinformatics Support Group, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Lecong Zhou
- Integrative Bioinformatics Support Group, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Olivia M Emery
- Reproductive & Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Xilong Li
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
| | - Francesco J DeMayo
- Reproductive & Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC
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Srivastava S, Dhagga N. Dose exposure of Bisphenol- A on female Wistar rats fertility. Horm Mol Biol Clin Investig 2019; 38:/j/hmbci.ahead-of-print/hmbci-2018-0061/hmbci-2018-0061.xml. [PMID: 31063457 DOI: 10.1515/hmbci-2018-0061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Accepted: 01/31/2019] [Indexed: 01/15/2023]
Abstract
Background 2, 2-Bis (4-hydroxyphenyl propane [bisphenol A (BPA)] is one of the major environmental pollutants and has the adverse effects on human health. BPA mimics the structure of estrogen and binds to estrogen receptors and alters the secretion of the hormone. It is ingested in humans through the regular use of plastic containers, bottles and food cans. Materials and methods Female Wistar rats were exposed orally to 5, 50, 300, 600 and 800 mg BPA/kg body weight (bd. wt.)/week mixed in olive oil and administered every 168 h for 3 months continuing through the mating, gestation and lactation and its effects on fertility, reproductive organ weight and hormones [LH (luteinizing hormone), FSH (follicle stimulating hormone), estradiol (E2), progesterone (PROG) and PRL (prolactin)] were evaluated. Results The findings revealed that females exposed to BPA exhibited a decrease in female fertility rate and weight of reproductive organs (ovary and uterus) with significant decreased levels of LH, FSH, E2, PROG and PRL in the non-pregnancy phase whereas in cesarean and post-term females, no significance difference was found in fertility rate, reproductive organ weight and hormonal levels. Conclusions These data indicate an increased sensitivity to BPA needs careful evaluation of the current levels of exposure.
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Affiliation(s)
- Seema Srivastava
- Reproductive Physiology Laboratory, Department of Zoology, University of Rajasthan, Jaipur 302004, India, Phone: +91 9214026350
| | - Nupoor Dhagga
- Reproductive Physiology Laboratory, Department of Zoology, University of Rajasthan, Jaipur 302004, India
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Neff AM, Blanco SC, Flaws JA, Bagchi IC, Bagchi MK. Chronic Exposure of Mice to Bisphenol-A Alters Uterine Fibroblast Growth Factor Signaling and Leads to Aberrant Epithelial Proliferation. Endocrinology 2019; 160:1234-1246. [PMID: 30892605 PMCID: PMC6482033 DOI: 10.1210/en.2018-00872] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 03/13/2019] [Indexed: 01/25/2023]
Abstract
Uterine epithelial proliferation is regulated in a paracrine manner by a complex interplay between estrogen (E) and progesterone (P) signaling, in which E stimulates proliferation and P inhibits it. Perturbation of steroid hormone signaling within the uterine milieu could contribute to the development of endometrial hyperplasia and cancer. It is well established that bisphenol-A (BPA) is an endocrine-disrupting chemical with weak estrogenic effects, although little is known about how it affects steroid hormone signaling in the adult uterus. Because BPA acts as a weak E, we hypothesized that chronic exposure to BPA would create an imbalance between E and P signaling and cause changes in the uterus, such as aberrant epithelial proliferation. Indeed, exposure to an environmentally relevant dose of BPA had a uterotrophic affect. BPA-treated mice showed increased proliferation, notably in the glandular epithelium, which are sites of origin for endometrial hyperplasia and cancer. Increased proliferation appeared to be mediated through a similar mechanism as E-induced proliferation, via activation of the fibroblast growth factor receptor pathway and phosphorylation of the ERK1/2 mitogen-activated protein kinases in the epithelium. Interestingly, BPA reduced expression of heart and neural crest derivatives expressed 2 (HAND2), a known mediator of the antiproliferative effects of P. BPA also increased methylation of a CpG island in the Hand2 gene promoter, suggesting that BPA may promote epithelial proliferation through epigenetic silencing of antiproliferative factors like HAND2. Collectively, these findings establish that chronic exposure to BPA impairs steroid hormone signaling in the mouse uterus, and may contribute to the pathogenesis of uterine hyperplasia and cancer.
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Affiliation(s)
- Alison M Neff
- Department of Molecular and Integrative Physiology, University of Illinois, Urbana-Champaign, Urbana, Illinois
| | - Sean C Blanco
- Department of Molecular and Integrative Physiology, University of Illinois, Urbana-Champaign, Urbana, Illinois
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana-Champaign, Urbana, Illinois
| | - Indrani C Bagchi
- Department of Comparative Biosciences, University of Illinois, Urbana-Champaign, Urbana, Illinois
| | - Milan K Bagchi
- Department of Molecular and Integrative Physiology, University of Illinois, Urbana-Champaign, Urbana, Illinois
- Correspondence: Milan K. Bagchi, PhD, School of Molecular and Cellular Biology, 534 Burrill Hall, 407 S Goodwin, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801. E-mail:
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Bano U, Memon S, Shahani MY, Shaikh P, Gul S. Epigenetic effects of in utero bisphenol A administration: Diabetogenic and atherogenic changes in mice offspring. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2019; 22:521-528. [PMID: 31217932 PMCID: PMC6556512 DOI: 10.22038/ijbms.2019.29909.7357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Bisphenol A (BPA) that is a monomer of plastic products may possibly interfere with epigenetics and be involved in onset and progression of several diseases. This study was aimed to detect the epigenetic effects of in utero BPA exposure in mice offspring. MATERIALS AND METHODS All experiments were performed according to the national guidelines for laboratory animals and after ethical approval. Thirty adult BALB/c female mice were divided into 3 equal groups, G1 (controls), G2 (ethanol 0.10 ml/100ml of PBS so that final concentration would be 0.01%) vehicle control and G3 (BPA 10 mg/kg). Chemicals were given twice a week throughout the pregnancy. Once delivered at term, female offspring were observed for body weight, behavior and movements. Blood glucose, serum insulin, cholesterol and high-density lipoprotein cholesterol (HDLc) were measured at 5 and 15 months postnatal. Animals were sacrificed at 15 months and pancreas, kidney, adipose tissue and uterine tissue were taken and stained with either Hematoxylin and eosin (H & E) or immunostaining and examined under light microscope. RESULTS Offspring of group G3 revealed abnormal changes of body weight, behavior and movements. Blood glucose, serum insulin, cholesterol and HDLc were high in group G3 offspring compared to controls. H & E staining showed changes in the parenchyma of pancreas, kidneys and uterus, which were confirmed by staining with anti- islet-1, kidney-specific (Ksp) cadherin, and anti- MLH antibody. CONCLUSION In utero exposure of BPA exerts diabetogenic and atherogenic effects with less parenchymal tissue in endocrine pancreas, kidney and uterus.
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Affiliation(s)
- Umbreen Bano
- Department of Anatomy, Liaquat University of Medical and Health Sciences, Jamshoro, Pakistan
| | - Samreen Memon
- Department of Anatomy, Liaquat University of Medical and Health Sciences, Jamshoro, Pakistan,Corresponding author: Samreen Memon. Department of Anatomy, Dow Medical College, Dow University of Health Sciences, Karachi, Pakistan. Tel/Fax: +92-229213352;
| | - Muhammad Yaqoob Shahani
- Department of Anatomy, Liaquat University of Medical and Health Sciences, Jamshoro, Pakistan
| | - Pashmina Shaikh
- Department of Anatomy, Liaquat University of Medical and Health Sciences, Jamshoro, Pakistan
| | - Sameena Gul
- Department of Anatomy, Liaquat University of Medical and Health Sciences, Jamshoro, Pakistan
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Siracusa JS, Yin L, Measel E, Liang S, Yu X. Effects of bisphenol A and its analogs on reproductive health: A mini review. Reprod Toxicol 2018; 79:96-123. [PMID: 29925041 DOI: 10.1016/j.reprotox.2018.06.005] [Citation(s) in RCA: 199] [Impact Index Per Article: 33.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 04/24/2018] [Accepted: 06/12/2018] [Indexed: 12/31/2022]
Abstract
Known endocrine disruptor bisphenol A (BPA) has been shown to be a reproductive toxicant in animal models. Its structural analogs: bisphenol S (BPS), bisphenol F (BPF), bisphenol AF (BPAF), and tetrabromobisphenol A (TBBPA) are increasingly being used in consumer products. However, these analogs may exert similar adverse effects on the reproductive system, and their toxicological data are still limited. This mini-review examined studies on both BPA and BPA analog exposure and reproductive toxicity. It outlines the current state of knowledge on human exposure, toxicokinetics, endocrine activities, and reproductive toxicities of BPA and its analogs. BPA analogs showed similar endocrine potencies when compared to BPA, and emerging data suggest they may pose threats as reproductive hazards in animal models. While evidence based on epidemiological studies is still weak, we have utilized current studies to highlight knowledge gaps and research needs for future risk assessments.
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Affiliation(s)
- Jacob Steven Siracusa
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States
| | - Lei Yin
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States; ReproTox Biotech LLC, Athens 30602, GA, United States
| | - Emily Measel
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States
| | - Shenuxan Liang
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States
| | - Xiaozhong Yu
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States.
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Li Q, Lawrence CR, Nowak RA, Flaws JA, Bagchi MK, Bagchi IC. Bisphenol A and Phthalates Modulate Peritoneal Macrophage Function in Female Mice Involving SYMD2-H3K36 Dimethylation. Endocrinology 2018; 159:2216-2228. [PMID: 29718165 PMCID: PMC5920315 DOI: 10.1210/en.2017-03000] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 03/09/2018] [Indexed: 12/17/2022]
Abstract
Ample evidence suggests that environmental and occupational exposure to bisphenol A (BPA) and phthalate, two chemicals widely used in the plastics industry, disturbs homeostasis of innate immunity and causes inflammatory diseases. However, the underlying molecular mechanisms of these toxicants in the regulation of macrophage inflammatory functions remain poorly understood. In this study, we addressed the effect of chronic exposure to BPA or phthalate at levels relevant to human exposure, either in vitro or in vivo, on the inflammatory reprograming of peritoneal macrophages. Our studies revealed that BPA and phthalates adversely affected expression levels of the proinflammatory cytokines and mediators in response to lipopolysaccharide stimulation. Exposure to these toxicants also affected gene expression of scavenger receptors and phagocytic capacity of peritoneal macrophages. Our studies revealed that the epigenetic inhibitors differentially modulated target gene expression in these cells. Further analysis revealed that certain histone modification enzymes were aberrantly expressed in response to BPA or phthalate exposure, leading to alteration in the levels of H3K36 acetylation and dimethylation, two chromatin modifications that are critical for transcriptional efficacy and accuracy. Our results further revealed that silencing of H3K36-specific methyltransferase Smyd2 expression or inhibition of SMYD2 enzymatic activity attenuated H3K36 dimethylation and enhanced interleukin-6 and tumor necrosis factor-α expression but dampened the phagocytic capacity of peritoneal macrophages. In summary, our results indicate that peritoneal macrophages are vulnerable to BPA or phthalate at levels relevant to human exposure. These environmental toxicants affect phenotypic programming of macrophages via epigenetic mechanisms involving SMYD2-mediated H3K36 modification.
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Affiliation(s)
- Quanxi Li
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois
- Correspondence: Quanxi Li, PhD, Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, 2001 South Lincoln Street, Urbana, Illinois 61802. E-mail:
| | - Catherine R Lawrence
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Romana A Nowak
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Milan K Bagchi
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Indrani C Bagchi
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois
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Mandrah K, Satyanarayana GNV, Roy SK. A dispersive liquid-liquid microextraction based on solidification of floating organic droplet followed by injector port silylation coupled with gas chromatography-tandem mass spectrometry for the determination of nine bisphenols in bottled carbonated beverages. J Chromatogr A 2017; 1528:10-17. [PMID: 29096924 DOI: 10.1016/j.chroma.2017.10.071] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 10/03/2017] [Accepted: 10/28/2017] [Indexed: 12/21/2022]
Abstract
In the present study, a method has been efficiently developed for the first time to determine nine bisphenol analogues [bisphenol A (BPA), bisphenol C (BPC), bisphenol AF (BPAF), bisphenol E (BPE), bisphenol F (BPF), bisphenol G (BPG), bisphenol M (BPM), bisphenol S (BPS), and bisphenol Z (BPZ)] together in bottled carbonated beverages (collected from the local market of Lucknow, India) using dispersive liquid-liquid microextraction process. This is based on solidification of floating organic droplet (DLLME-SFO) followed by injector port silylation coupled with gas chromatography-tandem mass spectrometry. The process investigated parameters of DLLME-SFO (including the type of extraction and disperser solvents with their volumes, effect of pH, ionic strength, and the sample volume), factors influencing to injection port derivatization like, collision energy, injector port temperature, derivatizing reagent with sample injection volume, and type of organic solvent. BPA, BPF, BPZ, and BPS were detected in each sample; whereas, other bisphenols were also detected in some carbonated beverage samples. After optimizing the required conditions, good linearity of analytes was achieved in the range of 0.097-100ngmL-1 with coefficients of determination (R2)≥0.995. Intra-day and inter day precision of the method was good, with relative standard deviation (% RSD)≤10.95%. The limits of detection (LOD) and limits of quantification (LOQ) values of all bisphenols were ranged from 0.021 to 0.104ngmL-1 and 0.070 to 0.343ngmL-1, respectively. The recovery of extraction was good (73.15-95.08%) in carbonated beverage samples and good enrichment factors (96.36-117.33) were found. Thus, the developed method of microextraction was highly precise, fast, and reproducible to determine the level of contaminants in bottled carbonated beverages.
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Affiliation(s)
- Kapil Mandrah
- Analytical Chemistry Laboratory, Regulatory Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, India
| | - G N V Satyanarayana
- Analytical Chemistry Laboratory, Regulatory Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Somendu Kumar Roy
- Analytical Chemistry Laboratory, Regulatory Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, India.
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Tomza-Marciniak A, Stępkowska P, Kuba J, Pilarczyk B. Effect of bisphenol A on reproductive processes: A review of in vitro, in vivo and epidemiological studies. J Appl Toxicol 2017; 38:51-80. [PMID: 28608465 DOI: 10.1002/jat.3480] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 03/22/2017] [Accepted: 03/24/2017] [Indexed: 12/23/2022]
Abstract
As bisphenol A (BPA) is characterized by a pronounced influence on human hormonal regulation, particular attention has been aimed at understanding its role in reproductive processes in males and females, as well as on fetal development. Owing to the increasing number of alarming reports on the negative consequences of the presence of BPA in human surroundings, more and more studies are being undertaken to clarify the negative effects of BPA on human reproductive processes. The aim of this work was to collect and summarize data on the influence of BPA exposure on reproductive health. Based on an analysis of selected publications it was stated that there is strong proof confirming that BPA is an ovarian, uterine and prostate toxicant at a level below the lowest observed adverse effect level (50 mg kg-1 bodyweight) as well as a level below the proposed safe level (4 μg kg-1 bodyweight). It seems there is also reliable evidence in relation to the negative effect of BPA on sperm quality and motility. Limited evidence also pertains to the case of the potential of BPA to affect polycystic ovary syndrome occurrence. Although in epidemiological studies this disease was common, in studies on animal models such results were still not confirmed. No unambiguous results of epidemiological studies and with animal models were obtained in relation to the evaluation of associations between BPA and implantation failure in women, evaluation of associations between BPA and sexual dysfunction in men, and impact of BPA on birth rate, birth weight and length of gestation. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Agnieszka Tomza-Marciniak
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology in Szczecin, Janickiego 29, 71-270, Szczecin, Poland
| | - Paulina Stępkowska
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology in Szczecin, Janickiego 29, 71-270, Szczecin, Poland
| | - Jarosław Kuba
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology in Szczecin, Janickiego 29, 71-270, Szczecin, Poland
| | - Bogumiła Pilarczyk
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology in Szczecin, Janickiego 29, 71-270, Szczecin, Poland
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Ma J, Hong K, Wang HS. Progesterone Protects Against Bisphenol A-Induced Arrhythmias in Female Rat Cardiac Myocytes via Rapid Signaling. Endocrinology 2017; 158:778-790. [PMID: 28324061 PMCID: PMC5460806 DOI: 10.1210/en.2016-1702] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 01/20/2017] [Indexed: 12/20/2022]
Abstract
Bisphenol A (BPA) is an estrogenic endocrine-disrupting chemical (EDC) that has a range of potential adverse health effects. Previously we showed that acute exposure to BPA promoted arrhythmias in female rat hearts through estrogen receptor rapid signaling. Progesterone (P4) and estrogen have antagonistic or complementary actions in a number of tissues and systems. In the current study, we examined the influence and possible protective effect of P4 on the rapid cardiac actions of BPA in female rat cardiac myocytes. Preincubation with physiological concentration (1 nM) of P4 abolished BPA-induced triggered activities in female cardiac myocytes. Further, P4 abrogated BPA-induced alterations in Ca2+ handling, including elevated sarcoplasmic reticulum Ca2+ leak and Ca2+ load. Key to the inhibitory effect of P4 is its blockade of BPA-induced increase in the phosphorylation of phospholamban. At myocyte and protein levels, these inhibitory actions of P4 were blocked by pretreatment with the nuclear P4 receptor (nPR) antagonist RU486. Analysis using membrane-impermeable bovine serum albumin-conjugated P4 suggested that the actions of P4 were mediated by membrane-initiated signaling. Inhibitory G (Gi) protein and phophoinositide-3 kinase (PI3K), but not tyrosine protein kinase activation, were involved in the observed effects of P4. In conclusion, P4 exerts an acute protective effect against BPA-induced arrhythmogenesis in female cardiac myocytes through nPR and the Gi/PI3K signaling pathway. Our findings highlight the importance of considering the impact of EDCs in the context of native hormonals and may provide potential therapeutic strategies for protection against the cardiac toxicities associated with BPA exposure.
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Affiliation(s)
- Jianyong Ma
- Department of Cardiology, Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
- Department of Pharmacology, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267
| | - Kui Hong
- Department of Cardiology, Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Hong-Sheng Wang
- Department of Pharmacology, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267
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Ingaramo PI, Varayoud J, Milesi MM, Schimpf MG, Muñoz-de-Toro M, Luque EH. Effects of neonatal exposure to a glyphosate-based herbicide on female rat reproduction. Reproduction 2016; 152:403-15. [PMID: 27486271 DOI: 10.1530/rep-16-0171] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 08/01/2016] [Indexed: 12/17/2022]
Abstract
In this study, we investigated whether neonatal exposure to a glyphosate-based herbicide (GBH) alters the reproductive performance and the molecular mechanisms involved in the decidualization process in adult rats. Newborn female rats received vehicle or 2 mg/kg/day of a GBH on postnatal days (PND) 1, 3, 5 and 7. On PND90, the rats were mated to evaluate (i) the reproductive performance on gestational day (GD) 19 and (ii) the ovarian steroid levels, uterine morphology, endometrial cell proliferation, apoptosis and cell cycle regulators, and endocrine pathways that regulate uterine decidualization (steroid receptors/COUP-TFII/Bmp2/Hoxa10) at the implantation sites (IS) on GD9. The GBH-exposed group showed a significant increase in the number of resorption sites on GD19, associated with an altered decidualization response. In fact, on GD9, the GBH-treated rats showed morphological changes at the IS, associated with a decreased expression of estrogen and progesterone receptors, a downregulation of COUP-TFII (Nr2f2) and Bmp2 mRNA and an increased expression of HOXA10 and the proliferation marker Ki67(Mki67) at the IS. We concluded that alterations in endometrial decidualization might be the mechanism of GBH-induced post-implantation embryo loss.
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Affiliation(s)
- Paola I Ingaramo
- Instituto de Salud y Ambiente del Litoral (ISAL)Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Jorgelina Varayoud
- Instituto de Salud y Ambiente del Litoral (ISAL)Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - María M Milesi
- Instituto de Salud y Ambiente del Litoral (ISAL)Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Marlise Guerrero Schimpf
- Instituto de Salud y Ambiente del Litoral (ISAL)Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Mónica Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL)Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL)Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
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40
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Progesterone Alleviates Endometriosis via Inhibition of Uterine Cell Proliferation, Inflammation and Angiogenesis in an Immunocompetent Mouse Model. PLoS One 2016; 11:e0165347. [PMID: 27776183 PMCID: PMC5077092 DOI: 10.1371/journal.pone.0165347] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 10/10/2016] [Indexed: 01/08/2023] Open
Abstract
Endometriosis, defined as growth of the endometrial cells outside the uterus, is an inflammatory disorder that is associated with chronic pelvic pain and infertility in women of childbearing age. Although the estrogen-dependence of endometriosis is well known, the role of progesterone in development of this disease remains poorly understood. In this study, we developed a disease model in which endometriosis was induced in the peritoneal cavities of immunocompetent female mice, and maintained with exogenous estrogen. The endometriosis-like lesions that were identified at a variety of ectopic locations exhibited abundant blood supply and extensive adhesions. Histological examination revealed that these lesions had a well-organized endometrial architecture and fibrotic response, resembling those recovered from clinical patients. In addition, an extensive proliferation, inflammatory response, and loss of estrogen receptor alpha (ERα) and progesterone receptor (PR) expression were also observed in these lesions. Interestingly, administration of progesterone before, but not after, lesion induction suppressed lesion expansion and maintained ERα and PR expressions. These progesterone-pretreated lesions exhibited attenuation in KI67, CD31, and pro-inflammatory cytokine expression as well as macrophage infiltration, indicating that progesterone ameliorates endometriosis progression by inhibiting cell proliferation, inflammation and neovascularization. Our studies further showed that suppression of global DNA methylation by application of DNA methyltransferase inhibitor to female mice bearing ectopic lesions restrained lesion expansion and restored ERα and PR expression in eutopic endometrium and ectopic lesions. These results indicate that epigenetic regulation of target gene expression via DNA methylation contributes, at least in part, to progesterone resistance in endometriosis.
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Li Q, Davila J, Bagchi MK, Bagchi IC. Chronic exposure to bisphenol a impairs progesterone receptor-mediated signaling in the uterus during early pregnancy. ACTA ACUST UNITED AC 2016; 3. [PMID: 28239613 PMCID: PMC5321573 DOI: 10.14800/rci.1369] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Environmental and occupational exposure to endocrine disrupting chemicals (EDCs) is a major threat to female reproductive health. Bisphenol A (BPA), an environmental toxicant that is commonly found in polycarbonate plastics and epoxy resins, has received much attention due to its estrogenic activity and high risk of chronic exposure in human. Whereas BPA has been linked to infertility and recurrent miscarriage in women, the impact of its exposure on uterine function during early pregnancy remains unclear. In a recent publication in Endocrinology, we demonstrated that prolonged exposure to an environmental relevant dose of BPA disrupts progesterone receptor-regulated uterine functions, thus affecting uterine receptivity for embryo implantation and decidua morphogenesis, two critical events for establishment and maintenance of early pregnancy. In particular we reported a marked impairment of progesterone receptor (PGR) expression and its downstream effector HAND2 in the uterine stromal cells in response to chronic BPA exposure. In an earlier study we have shown that HAND2 controls embryo implantation by repressing fibroblast growth factor (FGF) expression and the MAP kinase signaling pathway, thus inhibiting epithelial proliferation. Interestingly we observed that downregulation of PGR and HAND2 expression in uterine stroma upon BPA exposure was associated with an enhanced activation of FGFR and MAPK signaling, aberrant proliferation, and lack of uterine receptivity in the epithelium. In addition, the proliferation and differentiation of endometrial stromal cells to decidual cells, an event critical for the maintenance of early pregnancy, was severely compromised in response to BPA. This research highlight will provide an overview of our findings and discuss the potential mechanisms by which chronic BPA impairs PGR-HAND2 pathway and adversely affects implantation and the establishment of pregnancy.
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Affiliation(s)
- Quanxi Li
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802, USA
| | - Juanmahel Davila
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802, USA
| | - Milan K Bagchi
- Departments of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802, USA
| | - Indrani C Bagchi
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802, USA
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Ziv-Gal A, Flaws JA. Evidence for bisphenol A-induced female infertility: a review (2007-2016). Fertil Steril 2016; 106:827-56. [PMID: 27417731 DOI: 10.1016/j.fertnstert.2016.06.027] [Citation(s) in RCA: 149] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 05/25/2016] [Accepted: 06/15/2016] [Indexed: 12/18/2022]
Abstract
We summarized the scientific literature published from 2007 to 2016 on the potential effects of bisphenol A (BPA) on female fertility. We focused on overall fertility outcomes (e.g., ability to become pregnant, number of offspring), organs that are important for female reproduction (i.e., oviduct, uterus, ovary, hypothalamus, and pituitary), and reproductive-related processes (i.e., estrous cyclicity, implantation, and hormonal secretion). The reviewed literature indicates that BPA may be associated with infertility in women. Potential explanations for this association can be generated from experimental studies. Specifically, BPA may alter overall female reproductive capacity by affecting the morphology and function of the oviduct, uterus, ovary, and hypothalamus-pituitary-ovarian axis in animal models. In addition, BPA may disrupt estrous cyclicity and implantation. Nevertheless, further studies are needed to better understand the exact mechanisms of action and to detect potential reproductive toxicity at earlier stages.
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Affiliation(s)
- Ayelet Ziv-Gal
- School of Food and Nutrition, Massey University, Palmerston North, New Zealand
| | - Jodi A Flaws
- Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois.
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