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Hajji AL, Lucas KN. Anthropogenic stressors and the marine environment: From sources and impacts to solutions and mitigation. MARINE POLLUTION BULLETIN 2024; 205:116557. [PMID: 38875966 DOI: 10.1016/j.marpolbul.2024.116557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 05/30/2024] [Accepted: 06/02/2024] [Indexed: 06/16/2024]
Abstract
Human-released contaminants are often poorly understood wholistically in marine ecosystems. This review examines the sources, pathways, impacts on marine animals, and mitigation strategies of five pollutants (plastics, per- and polyfluoroalkyl substances, bisphenol compounds, ethynylestradiol, and petroleum hydrocarbons). Both abiotic and biotic mechanisms contribute to all five contaminants' movement. These pollutants cause short- and long-term effects on many biological processes genetically, molecularly, neurologically, physiologically, reproductively, and developmentally. We explore the extension of adverse outcome pathways to ecosystem effects by considering known inter-generational and trophic relations resulting in large-scale direct and indirect impacts. In doing so, we develop an understanding of their roles as environmental stressors in marine environments for targeted mitigation and future work. Ecosystems are interconnected and so international collaboration, standards, measures preceding mass production, and citizen involvement are required to protect and conserve marine life.
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Affiliation(s)
- Angelina L Hajji
- Biological Sciences, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada.
| | - Kelsey N Lucas
- Biological Sciences, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada
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2
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Germain L, Winn LM. The flame retardant triphenyl phosphate alters the epigenome of embryonic cells in an aquatic in vitro model. J Appl Toxicol 2024; 44:965-977. [PMID: 38419361 DOI: 10.1002/jat.4589] [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: 11/22/2023] [Revised: 01/12/2024] [Accepted: 01/24/2024] [Indexed: 03/02/2024]
Abstract
Triphenyl phosphate (TPhP) is an organophosphate flame retardant and plasticizer that is added to a wide variety of consumer and industrial products. It is also a ubiquitous environmental pollutant. Exposure to TPhP has been shown to alter gene expression in metabolic and estrogenic signaling pathways in in vitro and in vivo models of a variety of species, and as such, is considered to be an endocrine disrupting chemical. Exposure to endocrine disrupting chemicals is increasingly being associated with changes to the epigenome, especially during embryonic development. The aim of this study was to evaluate whether TPhP exposure in aquatic ecosystems has the ability to alter the epigenome in two immortal cell lines derived from trout (Oncorhynchus mykiss). This study assessed whether 24 h exposure to TPhP resulted in changes to histone modification and DNA methylation profiles in steelhead trout embryonic cells and rainbow trout gill epithelial cells. Results show that several epigenetic modifications on histone H3 and DNA methylation are altered in the embryonic cells following TPhP exposure, but not in the gill epithelial cells. Specifically, histone H3 acetylation, histone H3 mono-methylation and global DNA methylation were found to be reduced. The alterations of these epigenetic modification profiles in the embryonic cells suggest that exposure to TPhP during fetal development may alter gene expression in the developing embryo, likely in metabolic and estrogenic pathways. The impacts to the epigenome determined in this study may even carry multigenerational detrimental effects on human and ecosystem health, which requires further investigation.
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Affiliation(s)
- Logan Germain
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Canada
| | - Louise M Winn
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Canada
- School of Environmental Studies, Queen's University, Kingston, Canada
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3
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Liang Y, Gong Y, Jiang Q, Yu Y, Zhang J. Environmental endocrine disruptors and pregnane X receptor action: A review. Food Chem Toxicol 2023; 179:113976. [PMID: 37532173 DOI: 10.1016/j.fct.2023.113976] [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: 04/25/2023] [Revised: 07/11/2023] [Accepted: 07/28/2023] [Indexed: 08/04/2023]
Abstract
The pregnane X receptor (PXR) is a kind of orphan nuclear receptor activated by a series of ligands. Environmental endocrine disruptors (EEDs) are a wide class of molecules present in the environment that are suspected to have adverse effects on the endocrine system by interfering with the synthesis, transport, degradation, or action of endogenous hormones. Since EEDs may modulate human/rodent PXR, this review aims to summarize EEDs as PXR modulators, including agonists and antagonists. The modular structure of PXR is also described, interestingly, the pharmacology of PXR have been confirmed to vary among different species. Furthermore, PXR play a key role in the regulation of endocrine function. Endocrine disruption of EEDs via PXR and its related pathways are systematically summarized. In brief, this review may provide a way to understand the roles of EEDs in interaction with the nuclear receptors (such as PXR) and the related pathways.
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Affiliation(s)
- Yuan Liang
- College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Yiyao Gong
- College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Qiuyan Jiang
- College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Yifan Yu
- College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Jie Zhang
- College of Food Science and Engineering, Jilin University, Changchun, 130062, China.
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4
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Luo X, Du Z, Hu J, Retyunskiy V, Ma B, Liu S, Gao X, Zhao Y, Zhang Q. Multi- and transcriptomic changes of chronic exposure to bisphenol A reveals reproductive toxicity in male zebrafish. FISH PHYSIOLOGY AND BIOCHEMISTRY 2023; 49:671-685. [PMID: 37436566 DOI: 10.1007/s10695-023-01214-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 06/24/2023] [Indexed: 07/13/2023]
Abstract
Bisphenol A (BPA) is considered to be a threat to marine organisms owning to its widespread usage and potential aquatic toxicity. However, the reproductive toxicity of BPA to transgenerational inheritance in aquatic organisms is still unclarified. In this study, the morphological, histological, and transgenerational changes by BPA in zebrafish testis were investigated. Results showed that BPA caused abnormities in sperm number, activity, and fertility rate. Testicular transcriptional alterations detected by RNA-seq identified 1940 differentially expressed genes (DEGs) after BPA exposure, of which 392 were upregulated and 1548 were downregulated. Gene Ontology analysis showed that acrosin binding, binding of sperm to zona pellucida, and positive regulation of acrosome reaction were significantly enriched in BPA-induced DEGs. Pathway analysis indicated that cell adhesion molecules, steroid hormone biosynthesis and fatty acid biosynthesis, elongation, and metabolism were remarkably changed after BPA treatment. Thus, we deduce here that multi- and transcriptomic changes of chronic exposure to BPA reveals reproductive toxicity in male zebrafish.
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Affiliation(s)
- Xu Luo
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Zhanxiang Du
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Jinyuan Hu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Vladimir Retyunskiy
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Bo Ma
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Shan Liu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Xing Gao
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Ye Zhao
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China.
| | - Qi Zhang
- School of Food Engineering, Nanjing Tech University, Nanjing, 211816, China.
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5
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Varghese SV, Hall JM. Bisphenol A substitutes and obesity: a review of the epidemiology and pathophysiology. Front Endocrinol (Lausanne) 2023; 14:1155694. [PMID: 37529602 PMCID: PMC10390214 DOI: 10.3389/fendo.2023.1155694] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 06/12/2023] [Indexed: 08/03/2023] Open
Abstract
The prevalence of obesity, a condition associated with increased health risks, has risen significantly over the past several decades. Although obesity develops from energy imbalance, its etiology involves a multitude of other factors. One of these factors are endocrine disruptors, or "obesogens", when in reference to obesity. Bisphenol A (BPA), a known endocrine disruptor used in plastic materials, has recently been described as an environmental obesogen. Although BPA-free products are becoming more common now than in the past, concerns still remain about the obesogenic properties of the compounds that replace it, namely Bisphenol S (BPS), Bisphenol F (BPF), and Bisphenol AF (BPAF). The purpose of this review is to investigate the relationship between BPA substitutes and obesity. Literature on the relationship between BPA substitutes and obesity was identified through PubMed and Google Scholar, utilizing the search terms "BPA substitutes", "bisphenol analogues", "BPS", "BPF", "BPAF", "obesity", "obesogens", "adipogenesis", "PPARγ", and "adipocyte differentiation". Various population-based studies were assessed to gain a better understanding of the epidemiology, which revealed evidence that BPA substitutes may act as obesogens at the pathophysiological level. Additional studies were assessed to explore the potential mechanisms by which these compounds act as obesogens. For BPS, these mechanisms include Peroxisome proliferator-activated receptor gamma (PPARγ) activation, potentiation of high-fat diet induced weight-gain, and stimulation of adipocyte hypertrophy and adipose depot composition. For BPF and BPAF, the evidence is more inconclusive. Given the current understanding of these compounds, there is sufficient concern about exposures. Thus, further research needs to be conducted on the relationship of BPA substitutes to obesity to inform on the potential public health measures that can be implemented to minimize exposures.
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Shoorei H, Seify M, Talebi SF, Majidpoor J, Dehaghi YK, Shokoohi M. Different types of bisphenols alter ovarian steroidogenesis: Special attention to BPA. Heliyon 2023; 9:e16848. [PMID: 37303564 PMCID: PMC10250808 DOI: 10.1016/j.heliyon.2023.e16848] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/27/2023] [Accepted: 05/31/2023] [Indexed: 06/13/2023] Open
Abstract
Endocrine disruptors such as bisphenol A (BPA) and some of its analogues, including BPS, BPAF, and BPE, are used extensively in the manufacture of plastics. These synthetic chemicals could seriously alter the functionality of the female reproductive system. Although the number of studies conducted on other types of bisphenols is smaller than the number of studies on BPA, the purpose of this review study was to evaluate the effects of bisphenol compounds, particularly BPA, on hormone production and on genes involved in ovarian steroidogenesis in both in vitro (human and animal cell lines) and in vivo (animal models) studies. The current data show that exposure to bisphenol compounds has adverse effects on ovarian steroidogenesis. For example, BPA, BPS, and BPAF can alter the normal function of the hypothalamic-pituitary-gonadal (HPG) axis by targeting kisspeptin neurons involved in steroid feedback signals to gonadotropin-releasing hormone (GnRH) cells, resulting in abnormal production of LH and FSH. Exposure to BPA, BPS, BPF, and BPB had adverse effects on the release of some hormones, namely 17-β-estradiol (E2), progesterone (P4), and testosterone (T). BPA, BPE, BPS, BPF, and BPAF are also capable of negatively altering the transcription of a number of genes involved in ovarian steroidogenesis, such as the steroidogenic acute regulatory protein (StAR, involved in the transfer of cholesterol from the outer to the inner mitochondrial membrane, where the steroidogenesis process begins), cytochrome P450 family 17 subfamily A member 1 (Cyp17a1, which is involved in the biosynthesis of androgens such as testosterone), 3 beta-hydroxysteroid dehydrogenase enzyme (3β-HSD, involved in the biosynthesis of P4), and cytochrome P450 family 19 subfamily A member 1 (Cyp19a1, involved in the biosynthesis of E2). Exposure to BPA, BPB, BPF, and BPS at prenatal or prepubertal stages could decrease the number of antral follicles by activating apoptosis and autophagy pathways, resulting in decreased production of E2 and P4 by granulosa cells (GCs) and theca cells (TCs), respectively. BPA and BPS impair ovarian steroidogenesis by reducing the function of some important cell receptors such as estrogens (ERs, including ERα and ERβ), progesterone (PgR), the orphan estrogen receptor gamma (ERRγ), the androgen receptor (AR), the G protein-coupled estrogen receptor (GPER), the FSHR (follicle-stimulating hormone receptor), and the LHCGR (luteinizing hormone/choriogonadotropin receptor). In animal models, the effects of bisphenol compounds depend on the type of animals, their age, and the duration and dose of bisphenols, while in cell line studies the duration and doses of bisphenols are the matter.
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Affiliation(s)
- Hamed Shoorei
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Seify
- Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Seyedeh Fahimeh Talebi
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
- Department of Pharmacology, Birjand University of Medical Sciences, Birjand, Iran
| | - Jamal Majidpoor
- Department of Anatomy, Faculty of Medicine, Infectious Disease Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Yeganeh Koohestani Dehaghi
- Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Majid Shokoohi
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
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7
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Stanic B, Kokai D, Markovic Filipovic J, Samardzija Nenadov D, Pogrmic-Majkic K, Andric N. Global gene expression analysis reveals novel transcription factors associated with long-term low-level exposure of EA.hy926 human endothelial cells to bisphenol A. Chem Biol Interact 2023:110571. [PMID: 37244401 DOI: 10.1016/j.cbi.2023.110571] [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: 02/08/2023] [Revised: 05/11/2023] [Accepted: 05/25/2023] [Indexed: 05/29/2023]
Abstract
Bisphenol A (BPA) is an endocrine disruptor that binds to estrogen receptors (ER); however, studies have shown that the ER pathway was not always the primary molecular mechanism of BPA's action in cells and that gene transcription could be altered by different exposure times and doses. Here, we sought to understand the correlation between the BPA-responsive genes that have associated biological functions and the transcription factors (TFs) involved in their regulation by repeatedly exposing human endothelial cells EA.hy926 to three nanomolar concentrations of BPA (10-9 M, 10-8 M, and 10-7 M) for 14 weeks, after which changes in global gene expression were determined by RNA sequencing. Cytoscape plug-in iRegulon was used to infer TFs involved in the control of BPA-deregulated genes. The results show a minimal overlap in deregulated genes between three concentrations of BPA, with 10-9 M BPA having the highest number of deregulated genes. TF analysis suggests that all three concentrations of BPA were active in the absence of an ER-mediated pathway. A unique set of TFs (NES≥4) has been identified for each BPA concentration, including the NFκB family and CEBPB for 10-9 M BPA, MEF family, AHR/ARNT, and ZBTB33 for 10-8 M BPA, and IRF1-7 and OVOL1/OVOL2 for 10-7 M BPA, whereas STAT1/STAT2 were common TFs for 10-9 M and 10-7 M BPA. Overall, our data suggest that long-term low-level exposure of EA.hy926 cells to BPA leads to concentration-specific changes in gene expression that are not controlled by the ER-mediated signaling but rather by other mechanisms.
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Affiliation(s)
- Bojana Stanic
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Serbia.
| | - Dunja Kokai
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Serbia
| | | | | | | | - Nebojsa Andric
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Serbia
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8
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Endocrine Disruptor Chemicals and Children's Health. Int J Mol Sci 2023; 24:ijms24032671. [PMID: 36768991 PMCID: PMC9916521 DOI: 10.3390/ijms24032671] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 02/01/2023] Open
Abstract
We are all exposed to endocrine-disrupting chemicals (EDCs) starting from embryonic life. The fetus and child set up crucial developmental processes allowing adaptation to the environment throughout life: they are extremely sensitive to very low doses of hormones and EDCs because they are developing organisms. Considering the developmental origin of well-being and diseases, every adult organism expresses consequences of the environment in which it developed. The molecular mechanisms through which the main EDCs manifest their effects and their potential association with endocrine disorders, such as diabetes, obesity, thyroid disease and alteration of adrenal hormones, will be reviewed here. Despite 40 years having passed since the first study on EDCs, little is yet known about them; therefore, our purpose is to take stock of the situation to establish a starting point for further studies. Since there is plenty of evidence showing that exposure to EDCs may adversely impact the health of adults and children through altered endocrine function-suggesting their link to endocrinopathies-it is essential in this context to bear in mind what is already known about endocrine disruptors and to deepen our knowledge to establish rules of conduct aimed at limiting exposure to EDCs' negative effects. Considering that during the COVID-19 pandemic an increase in endocrine disruptor effects has been reported, it will also be useful to address this new phenomenon for better understanding its basis and limiting its consequences.
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9
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Chakraborty S, Dissanayake M, Godwin J, Wang X, Bhandari RK. Ancestral BPA exposure caused defects in the liver of medaka for four generations. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:159067. [PMID: 36174697 PMCID: PMC10593180 DOI: 10.1016/j.scitotenv.2022.159067] [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: 03/05/2022] [Revised: 07/01/2022] [Accepted: 09/23/2022] [Indexed: 06/16/2023]
Abstract
Environmental chemicals can induce liver defects in experimental animals due to their direct and acute exposure. It is not clear whether environmental chemical exposures result in the transgenerational passage of liver defects in subsequent generations living in an uncontaminated environment. Bisphenol A (BPA), a plasticizer chemical, has been ubiquitous in the environment in the recent decade. Every organism is exposed to this chemical at some point during its lifetime. Literature suggests that direct BPA exposure can result in several metabolic diseases, including non-alcoholic fatty liver disease (NAFLD). Despite the phasing out of BPA from several consumer goods, it is unclear whether ancestral BPA exposure causes liver health problems in the unexposed future generations. Here, we demonstrate an advanced stage of NAFLD in the grandchildren (F2 generation) of medaka fish (Oryzias latipes) due to embryonic BPA exposure in the grandparental generation (F0), which persists for five generations (F4) even in the absence of BPA. The severity of transgenerational NAFLD phenotype included steatosis together with perisinusoidal fibrosis and apoptosis of hepatocytes. Adult females developed more severe histopathological conditions in the liver than males. Genes encoding enzymes involved in lipolytic pathways were significantly decreased. The present results suggest that ancestral BPA exposure can result in transgenerational metabolic diseases that can persist for five generations and that the NAFLD trait is sexually dimorphic. Given that ancestral BPA exposure can lead to altered metabolic health outcomes in the subsequent unexposed generations, the development of the methods and strategies to mitigate the transgenerational onset of metabolic diseases seem imperative to protect future generations.
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Affiliation(s)
- Sourav Chakraborty
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC 27412, USA
| | - Manthi Dissanayake
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC 27412, USA
| | - Julia Godwin
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC 27412, USA
| | - Xuegeng Wang
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC 27412, USA; Institute of Modern Aquaculture Science and Engineering, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China
| | - Ramji Kumar Bhandari
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC 27412, USA.
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Nunes HC, Tavares SC, Garcia HV, Cucielo MS, Dos Santos SAA, Aal MCE, de Golim MA, Justulin LA, Ribeiro AO, Deffune E, Scarano WR, Delella FK. Bisphenol A and 2,3,7,8-tetrachlorodibenzo-p-dioxin at non-cytotoxic doses alter the differentiation potential and cell function of rat adipose-stem cells. ENVIRONMENTAL TOXICOLOGY 2022; 37:2314-2323. [PMID: 35661558 DOI: 10.1002/tox.23598] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 04/19/2022] [Accepted: 05/21/2022] [Indexed: 06/15/2023]
Abstract
The possibility of chemical contamination is an important issue to consider when designing a cell therapy strategy. Both bisphenol A (BPA) and 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) are among the most environmentally relevant endocrine disrupting chemicals (EDCs, compounds with a high affinity for adipose tissue) recently studied. Adipose-derived stem cells (ASCs) are mesenchymal stromal cells (MSCs) obtained from adipose tissue widely used in regenerative medicine to prevent and treat diseases in several tissues and organs. Although the experimental use of tissue-engineered constructs requires careful analysis for approval and implantation, there has been a recent increase in the number of approved clinical trials for this promising strategy. This study aimed to evaluate cell viability, apoptosis, DNA damage, and the adipogenic or osteogenic differentiation potential of rat adipose-derived stem cells (rASCs) exposed to previously established non-cytotoxic doses of BPA and TCDD in vitro. Results demonstrated that 10 μM of BPA and 10 nM of TCDD were able to significantly reduce cell viability, while all exposure levels resulted in DNA damage, although did not increase the apoptosis rate. According to the analysis of adipogenic differentiation, 1 μM of BPA induced the significant formation of oil droplets, suggesting an increased adipocyte differentiation, while both 10 μM of BPA and 10 nM of TCDD decreased adipocyte differentiation. Osteogenic differentiation did not differ among the treatments. As such, BPA and TCDD in the concentrations tested can modify important processes in rASCs such as cell viability, adipogenic differentiation, and DNA damage. Together, these findings prove that EDCs play an important role as contaminants, putatively interfering in cell differentiation and thus impairing the therapeutic use of ASCs.
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Affiliation(s)
- Helga Caputo Nunes
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Samara Costa Tavares
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Heloísa Vicente Garcia
- Botucatu Medical School, Blood Transfusion Center, Cell Engineering Lab, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Maira Smaniotto Cucielo
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | | | - Mirian Carolini Esgoti Aal
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Marjorie Assis de Golim
- Botucatu Medical School, Blood Transfusion Center, Flow Cytometry Laboratory, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Luís Antônio Justulin
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Amanda Oliveira Ribeiro
- Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Elenice Deffune
- Botucatu Medical School, Blood Transfusion Center, Cell Engineering Lab, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Wellerson Rodrigo Scarano
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Flávia Karina Delella
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
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11
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Zhang S, Feng X. Effect of 17β-trenbolone exposure during adolescence on the circadian rhythm in male mice. CHEMOSPHERE 2022; 288:132496. [PMID: 34627821 DOI: 10.1016/j.chemosphere.2021.132496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 09/28/2021] [Accepted: 10/05/2021] [Indexed: 06/13/2023]
Abstract
The suprachiasmatic nucleus (SCN) is the main control area of the clock rhythm in the mammalian brain. It drives daily behaviours and rhythms by synchronizing or suppressing the oscillations of clock genes in peripheral tissue. It is an important brain tissue structure that affects rhythm stability. SCN has high plasticity and is easily affected by the external environment. In this experiment, we found that exposure to the endocrine disruptor 17β-trenbolone (17β-TBOH) affects the rhythmic function of SCN in the brains of adolescent male balb/c mice. Behavioural results showed that exposure to 17β-TBOH disrupted daily activity-rest rhythms, reduced the robustness of endogenous rhythms, altered sleep-wake-related behaviours, and increased the stress to light stimulation. At the cellular level, exposure to 17β-TBOH decreased the c-fos immune response of SCN neurons to the large phase shift, indicating that it affected the coupling ability of SCN neurons. At the molecular level, exposure to 17β-TBOH interfered with the daily expression of hormones, changed the expression levels of the core clock genes and cell communication genes in the SCN, and affected the expression of wake-up genes in the hypothalamus. Finally, we observed the effect of exposure to 17β-TBOH on energy metabolism. The results showed that 17β-TBOH reduced the metabolic response and affected the metabolic function of the liver. This study revealed the influence of environmental endocrine disrupting chemicals (EDCs) on rhythms and metabolic disorders, and provides references for follow-up research.
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Affiliation(s)
- Shaozhi Zhang
- College of Life Science, The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, 300071, China; Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 250355, China
| | - Xizeng Feng
- College of Life Science, The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, 300071, China.
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12
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Qi SY, Xu XL, Ma WZ, Deng SL, Lian ZX, Yu K. Effects of Organochlorine Pesticide Residues in Maternal Body on Infants. Front Endocrinol (Lausanne) 2022; 13:890307. [PMID: 35757428 PMCID: PMC9218079 DOI: 10.3389/fendo.2022.890307] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 04/22/2022] [Indexed: 01/25/2023] Open
Abstract
There are many organochlorine pollutants in the environment, which can be directly or indirectly exposed to by mothers, and as estrogen endocrine disruptors can cause damage to the lactation capacity of the mammary gland. In addition, because breast milk contains a lot of nutrients, it is the most important food source for new-born babies. If mothers are exposed to organochlorine pesticides (OCPs), the lipophilic organochlorine contaminants can accumulate in breast milk fat and be passed to the infant through breast milk. Therefore, it is necessary to investigate organochlorine contaminants in human milk to estimate the health risks of these contaminants to breastfed infants. In addition, toxic substances in the mother can also be passed to the fetus through the placenta, which is also something we need to pay attention to. This article introduces several types of OCPs, such as dichlorodiphenyltrichloroethane (DDT), methoxychlor (MXC), hexachlorocyclohexane (HCH), endosulfan, chlordane, heptachlorand and hexachlorobenzene (HCB), mainly expounds their effects on women's lactation ability and infant health, and provides reference for maternal and infant health. In addition, some measures and methods for the control of organochlorine pollutants are also described here.
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Affiliation(s)
- Shi-Yu Qi
- College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xue-Ling Xu
- College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Wen-Zhi Ma
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, and Key Laboratory of Reproduction and Genetics of Ningxia Hui Autonomous Region, School of Basic Medical Science, Ningxia Medical University, Yinchuan, China
- *Correspondence: Wen-Zhi Ma, ; Kun Yu, ; Zheng-Xing Lian,
| | - Shou-Long Deng
- National Health Commission of China (NHC) Key Laboratory of Human Disease Comparative Medicine, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Zheng-Xing Lian
- College of Animal Science and Technology, China Agricultural University, Beijing, China
- *Correspondence: Wen-Zhi Ma, ; Kun Yu, ; Zheng-Xing Lian,
| | - Kun Yu
- College of Animal Science and Technology, China Agricultural University, Beijing, China
- *Correspondence: Wen-Zhi Ma, ; Kun Yu, ; Zheng-Xing Lian,
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13
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Rato L, Sousa ACA. The Impact of Endocrine-Disrupting Chemicals in Male Fertility: Focus on the Action of Obesogens. J Xenobiot 2021; 11:163-196. [PMID: 34940512 PMCID: PMC8709303 DOI: 10.3390/jox11040012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/12/2021] [Accepted: 11/23/2021] [Indexed: 12/11/2022] Open
Abstract
The current scenario of male infertility is not yet fully elucidated; however, there is increasing evidence that it is associated with the widespread exposure to endocrine-disrupting chemicals (EDCs), and in particular to obesogens. These compounds interfere with hormones involved in the regulation of metabolism and are associated with weight gain, being also able to change the functioning of the male reproductive axis and, consequently, the testicular physiology and metabolism that are pivotal for spermatogenesis. The disruption of these tightly regulated metabolic pathways leads to adverse reproductive outcomes. The permanent exposure to obesogens has raised serious health concerns. Evidence suggests that obesogens are one of the leading causes of the marked decline of male fertility and key players in shaping the future health outcomes not only for those who are directly exposed but also for upcoming generations. In addition to the changes that lead to inefficient functioning of the male gametes, obesogens induce alterations that are “imprinted” on the genes of the male gametes, establishing a link between generations and contributing to the transmission of defects. Unveiling the molecular mechanisms by which obesogens induce toxicity that may end-up in epigenetic modifications is imperative. This review describes and discusses the suggested molecular targets and potential mechanisms for obesogenic–disrupting chemicals and the subsequent effects on male reproductive health.
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Affiliation(s)
- Luís Rato
- Health School of the Polytechnic Institute of Guarda, 6300-035 Guarda, Portugal
- Correspondence: (L.R.); (A.C.A.S.)
| | - Ana C. A. Sousa
- Department of Biology, School of Science and Technology, University of Évora, 7006-554 Évora, Portugal
- Comprehensive Health Research Centre (CHRC), University of Évora, 7000-671 Évora, Portugal
- Correspondence: (L.R.); (A.C.A.S.)
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Zhang S, Jiao Z, Zhao X, Sun M, Feng X. Environmental exposure to 17β-trenbolone during adolescence inhibits social interaction in male mice. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 289:117710. [PMID: 34243057 DOI: 10.1016/j.envpol.2021.117710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/10/2021] [Accepted: 07/02/2021] [Indexed: 06/13/2023]
Abstract
Puberty is a critical period for growth and development. This period is sensitive to external stimuli, which ultimately affects the development of nerves and the formation of social behaviour. 17β-Trenbolone (17β-TBOH) is an endocrine disrupting chemicals (EDCs), which had been widely reported in aquatic vertebrates. But there is little known about the effects of 17β-TBOH on mammals, especially on adolescent neurodevelopment. In this study, we found that 17β-TBOH acute 1 h exposure can cause the activation of the dopamine circuit in pubertal male balb/c mice. At present, there is little known about the effects of puberty exposure of endocrine disruptors on these neurons/nerve pathways. Through a series of behavioural tests, exposure to 80 μgkg-1 d-1 of 17β-TBOH during adolescence increased the anxiety-like behaviour of mice and reduced the control of wheel-running behaviour and the response of social interaction behaviour. The results of TH immunofluorescence staining showed that exposure to 17β-TBOH reduced dopamine axon growth in the medial prefrontal cortex (mPFC). In addition, the results of real-time PCR showed that exposure to 17β-TBOH not only down-regulated the expression of dopamine axon development genes, but also affected the balance of excitatory/inhibitory signals in mPFC. In this research, we reveal the effects of 17β-TBOH exposure during adolescence on mammalian behaviour and neurodevelopment, and provide a reference for studying the origin of adolescent diseases.
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Affiliation(s)
- Shaozhi Zhang
- College of Life Science, The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, 300071, China
| | - Zihao Jiao
- The Institute of Robotics and Automatic Information Systems, Nankai University, Tianjin, 300071, China
| | - Xin Zhao
- The Institute of Robotics and Automatic Information Systems, Nankai University, Tianjin, 300071, China
| | - Mingzhu Sun
- The Institute of Robotics and Automatic Information Systems, Nankai University, Tianjin, 300071, China
| | - Xizeng Feng
- College of Life Science, The Key Laboratory of Bioactive Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, 300071, China.
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15
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Batista-Silva H, Rodrigues K, de Moura KRS, Elie N, Van Der Kraak G, Delalande C, Silva FRMB. In vivo and in vitro short-term bisphenol A exposures disrupt testicular energy metabolism and negatively impact spermatogenesis in zebrafish. Reprod Toxicol 2021; 107:10-21. [PMID: 34775058 DOI: 10.1016/j.reprotox.2021.11.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 10/15/2021] [Accepted: 11/03/2021] [Indexed: 01/01/2023]
Abstract
This study investigated the in vitro and short-term in vivo effects of Bisphenol A (BPA) on testicular energy metabolism and morphology in the zebrafish (Danio rerio). Testes were incubated in vitro for 1 h or fish were exposed in vivo to BPA in the tank water for 12 h. Testicular lactate, glycogen and cholesterol were measured and 14C-deoxy-d-glucose uptake and activity of lactate dehydrogenase (LDH), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were determined. In addition, testis samples from the in vivo exposures were subject to digital analysis of testicular cells using Ilastik software and the Pixel Classification module and estimation of apoptosis by Terminal deoxynucleotidyl transferase (TdT) dUTP Nick-End Labeling (TUNEL) immunohistochemical analysis. Our results from in vitro studies showed that BPA at 10 pM and 10 μM decreased testicular lactate content, glycogen content and LDH activity, but increased testicular AST activity. In addition, only BPA at 10 pM significantly decreased testicular ALT activity and cholesterol content. However, 14C-deoxy-d-glucose uptake was not changed. Furthermore, our results from in vivo studies showed that 10 pM BPA but not 10 μM BPA reduced testicular content of lactate and glycogen. In addition, both BPA concentrations decreased AST activity, whereas only BPA at 10 μM reduced ALT activity. However, LDH activity was not changed. Additionally, both concentrations of BPA induced spermatocyte apoptosis and a decrease in the proportion of the surface area of spermatids and spermatozoa. Collectively these data suggest that short-term BPA exposure affects energy metabolism and spermatogenesis in male zebrafish.
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Affiliation(s)
- Hemily Batista-Silva
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, CEP: 88040-900, Florianópolis, Santa Catarina, Brazil; Normandie Univ, UNICAEN, OeReCa, 14000, Caen, Normandie, France
| | - Keyla Rodrigues
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, CEP: 88040-900, Florianópolis, Santa Catarina, Brazil
| | | | - Nicolas Elie
- Normandie Univ, UNICAEN, SF ICORE, CMABio3, 14000, Caen, Normandie, France
| | - Glen Van Der Kraak
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
| | | | - Fátima Regina Mena Barreto Silva
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, CEP: 88040-900, Florianópolis, Santa Catarina, Brazil.
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16
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Tong T, Li R, Chai M, Wang Q, Yang Y, Xie S. Metagenomic analysis of microbial communities continuously exposed to Bisphenol A in mangrove rhizosphere and non-rhizosphere soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 792:148486. [PMID: 34465064 DOI: 10.1016/j.scitotenv.2021.148486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/31/2021] [Accepted: 06/12/2021] [Indexed: 06/13/2023]
Abstract
Bisphenol A (BPA) is widely distributed in littoral zones and may cause adverse impacts on mangrove ecosystem. Biodegradation and phytoremediation are two primary processes for BPA dissipation in mangrove soils. However, the rhizosphere effects of different mangrove species on BPA elimination are still unresolved. In this study, three typical mangrove seedlings, namely Avicennia marina, Bruguiera gymnorrhiza (L.) and Aegiceras corniculatum, were cultivated in soil microcosms for four months and then subjected to 28-day continuous BPA amendment. Un-planted soil microcosms (as control) were also set up. The BPA residual rates and root exudates were monitored, and the metabolic pathways as well as functional microbial communities were also investigated to decipher the rhizosphere effects based on metagenomic analysis. The BPA residual rates in all planted soils were significantly lower than that in un-planted soil on day 7. Both plantation and BPA dosage had significant effects on bacterial abundance. A distinct separation of microbial structure was found between planted and un-planted soil microcosms. Genera Pseudomonas and Lutibacter got enriched with BPA addition and may play important roles in BPA biodegradation. The shifts in bacterial community structure upon BPA addition were different among the microcosms with different mangrove species. Genus Novosphingobium increased in Avicennia marina and Bruguiera gymnorrhiza (L.) rhizosphere soils but decreased in Aegiceras corniculatum rhizosphere soil. Based on KEGG annotation and binning analysis, the proposal of BPA degradation pathways and the quantification of relevant functional genes were achieved. The roles of Pseudomonas and Novosphingobium may differ in lower BPA degradation pathways. The quantity variation patterns of functional genes during the 28-day BPA amendment were different among soil microcosms and bacterial genera.
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Affiliation(s)
- Tianli Tong
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Ruili Li
- School of Environmental and Energy, Shenzhen Graduate School of Peking University, Shenzhen 518055, Guangdong, China.
| | - Minwei Chai
- School of Environmental and Energy, Shenzhen Graduate School of Peking University, Shenzhen 518055, Guangdong, China
| | - Qian Wang
- School of Environmental and Energy, Shenzhen Graduate School of Peking University, Shenzhen 518055, Guangdong, China
| | - Yuyin Yang
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Shuguang Xie
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China; School of Environmental and Energy, Shenzhen Graduate School of Peking University, Shenzhen 518055, Guangdong, China.
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17
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Bornman MS, Aneck-Hahn NH. EDCs and male urogenital cancers. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2021; 92:521-553. [PMID: 34452696 DOI: 10.1016/bs.apha.2021.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Male sex determination and sexual differentiation occur between 6-12 weeks of gestation. During the "male programming window" the fetal testes start to produce testosterone that initiates the development of the male reproductive tract. Exposure to endocrine disrupting chemicals (EDCs) able to mimic or disrupt steroid hormone actions may disrupt testicular development and adversely impact reproductive health at birth, during puberty and adulthood. The testicular dysgenesis syndrome (TDS) occurs as a result inhibition of androgen action on fetal development preceding Sertoli and Leydig cell dysfunction and may result from direct or epigenetic effects. Hypospadias, cryptorchidism and poor semen quality are elements of TDS, which may be considered a risk factor for testicular germ cell cancer (TGCC). Exposure to estrogen or estrogenic EDCs results in developmental estrogenization/estrogen imprinting in the rodent for prostate cancer (PCa). This can disrupt prostate histology by disorganization of the epithelium, prostatic intraepithelial neoplasia (PIN) lesions, in particular high-grade PIN (HGPIN) lesions which are precursors of prostatic adenocarcinoma. These defects persist throughout the lifespan of the animal and later in life estrogen exposure predispose development of cancer. Exposure of pregnant dams to vinclozolin, a competitive anti-androgen, and results in prominent, focal regions of inflammation in all exposed animals. The inflammation closely resembles human nonbacterial prostatitis that occurs in young men and evidence indicates that inflammation plays a central role in the development of PCa. In conclusion, in utero exposure to endocrine disrupters may predispose to the development of TDS, testicular cancer (TCa) and PCa and are illustrations of Developmental Origins of Health and Disease (DOHaD).
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Affiliation(s)
- M S Bornman
- Environmental Chemical Pollution and Health Research Unit, Faculty of Health Sciences, School of Health Systems and Public Health, University of Pretoria, Pretoria, South Africa.
| | - N H Aneck-Hahn
- Environmental Chemical Pollution and Health Research Unit, Faculty of Health Sciences, School of Health Systems and Public Health, University of Pretoria, Pretoria, South Africa; Environmental Chemical Pollution and Health Research Unit, Faculty of Health Sciences, School of Medicine, Department of Urology, University of Pretoria, Pretoria, South Africa
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18
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Padmanabhan V, Moeller J, Puttabyatappa M. Impact of gestational exposure to endocrine disrupting chemicals on pregnancy and birth outcomes. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2021; 92:279-346. [PMID: 34452689 DOI: 10.1016/bs.apha.2021.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
With the advent of industrialization, humans are exposed to a wide range of environmental chemicals, many with endocrine disrupting potential. As successful maintenance of pregnancy and fetal development are under tight hormonal control, the gestational exposure to environmental endocrine disrupting chemicals (EDC) have the potential to adversely affect the maternal milieu and support to the fetus, fetal developmental trajectory and birth outcomes. This chapter summarizes the impact of exposure to EDCs both individually and as mixtures during pregnancy, the immediate and long-term consequences of such exposures on the mother and fetus, the direct and indirect mechanisms through which they elicit their effects, factors that modify their action, and the research directions to focus future investigations.
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Affiliation(s)
| | - Jacob Moeller
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
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19
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Hall JM, Korach KS. Endocrine disrupting chemicals (EDCs) and sex steroid receptors. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2021; 92:191-235. [PMID: 34452687 DOI: 10.1016/bs.apha.2021.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Sex-steroid receptors (SSRs) are essential mediators of estrogen, progestin, and androgen signaling that are critical in vast aspects of human development and multi-organ homeostasis. Dysregulation of SSR function has been implicated in numerous pathologies including cancers, obesity, Type II diabetes mellitus, neuroendocrine disorders, cardiovascular disease, hyperlipidemia, male and female infertility, and other reproductive disorders. Endocrine disrupting chemicals (EDCs) modulate SSR function in a wide variety of cell and tissues. There exists strong experimental, clinical, and epidemiological evidence that engagement of EDCs with SSRs may disrupt endogenous hormone signaling leading to physiological abnormalities that may manifest in disease. In this chapter, we discuss the molecular mechanisms by which EDCs interact with estrogen, progestin, and androgen receptors and alter SSR functions in target cells. In addition, the pathological consequences of disruption of SSR action in reproductive and other organs by EDCs is described with an emphasis on underlying mechanisms of receptors dysfunction.
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Affiliation(s)
- Julianne M Hall
- Quinnipiac University Frank H. Netter MD School of Medicine, Hamden, CT, United States.
| | - Kenneth S Korach
- National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, United States
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20
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Bisphenols and the Development of Type 2 Diabetes: The Role of the Skeletal Muscle and Adipose Tissue. ENVIRONMENTS 2021. [DOI: 10.3390/environments8040035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bisphenol A (BPA) and bisphenol S (BPS) are environmental contaminants that have been associated with the development of insulin resistance and type 2 diabetes (T2D). Two organs that are often implicated in the development of insulin resistance are the skeletal muscle and the adipose tissue, however, seldom studies have investigated the effects of bisphenols on their metabolism. In this review we discuss metabolic perturbations that occur in both the skeletal muscle and adipose tissue affected with insulin resistance, and how exposure to BPA or BPS has been linked to these changes. Furthermore, we highlight the possible effects of BPA on the cross-talk between the skeletal muscle and adipose tissue.
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21
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Saraf MK, Jeng YJ, Watson CS. Nongenomic effects of estradiol vs. the birth control estrogen ethinyl estradiol on signaling and cell proliferation in pituitary tumor cells, and differences in the ability of R-equol to neutralize or enhance these effects. Steroids 2021; 168:108411. [PMID: 31132367 DOI: 10.1016/j.steroids.2019.01.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 01/24/2019] [Indexed: 12/19/2022]
Abstract
Ethinyl estradiol (EE2, the active component of many birth control formulations) persists in treated waste waters and it has become a concerning endocrine-disrupting contaminant throughout the world. Previous studies have not examined the behavior of EE2 in nongenomic signaling pathways and the subsequent functional responses (either alone or in mixtures) or conducted comparisons with the physiological estrogen estradiol (E2). In this study, mitogen-activated protein kinases (MAPKs), ERK, and JNK were activated in pituitary tumor cells by fM EE2, but p38 activation was insensitive to
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Affiliation(s)
- Manish Kumar Saraf
- Department of Biochemistry & Molecular Biology, University of Texas Medical Branch Galveston, TX 77555-0645, United States
| | - Yow-Jiun Jeng
- Department of Biochemistry & Molecular Biology, University of Texas Medical Branch Galveston, TX 77555-0645, United States
| | - Cheryl S Watson
- Department of Biochemistry & Molecular Biology, University of Texas Medical Branch Galveston, TX 77555-0645, United States.
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22
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Siddique MAB, Harrison SM, Monahan FJ, Cummins E, Brunton NP. Bisphenol A and Metabolites in Meat and Meat Products: Occurrence, Toxicity, and Recent Development in Analytical Methods. Foods 2021; 10:foods10040714. [PMID: 33801667 PMCID: PMC8066211 DOI: 10.3390/foods10040714] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 12/13/2022] Open
Abstract
Bisphenol A (BPA) is a commonly used compound in many industries and has versatile applications in polycarbonate plastics and epoxy resins production. BPA is classified as endocrine-disrupting chemical which can hamper fetal development during pregnancy and may have long term negative health outcomes in humans. Dietary sources, main route of BPA exposure, can be contaminated by the migration of BPA into food during processing. The global regulatory framework for using this compound in food contact materials is currently not harmonized. This review aims to outline, survey, and critically evaluate BPA contamination in meat products, including level of BPA and/or metabolites present, exposure route, and recent advancements in the analytical procedures of these compounds from meat and meat products. The contribution of meat and meat products to the total dietary exposure of BPA ranges between 10 and 50% depending on the country and exposure scenario considered. From can lining materials of meat products, BPA migrates towards the solid phase resulting higher BPA concentration in solid phase than the liquid phase of the same can. The analytical procedure is comprised of meat sample pre-treatment, followed by cleaning with solid phase extraction (SPE), and chromatographic analysis. Considering several potential sources of BPA in industrial and home culinary practices, BPA can also accumulate in non-canned or raw meat products. Very few scientific studies have been conducted to identify the amount in raw meat products. Similarly, analysis of metabolites and identification of the origin of BPA contamination in meat products is still a challenge to overcome.
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Affiliation(s)
- Md Abu bakar Siddique
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland; (M.A.b.S.); (S.M.H.); (F.J.M.)
| | - Sabine M. Harrison
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland; (M.A.b.S.); (S.M.H.); (F.J.M.)
| | - Frank J. Monahan
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland; (M.A.b.S.); (S.M.H.); (F.J.M.)
| | - Enda Cummins
- School of Biosystems and Food Engineering, Agriculture and Food Science Centre, University College Dublin, Belfield, Dublin 4, Ireland;
| | - Nigel P. Brunton
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland; (M.A.b.S.); (S.M.H.); (F.J.M.)
- Correspondence: ; Tel.: +353-017167603
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23
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Fighting Bisphenol A-Induced Male Infertility: The Power of Antioxidants. Antioxidants (Basel) 2021; 10:antiox10020289. [PMID: 33671960 PMCID: PMC7919053 DOI: 10.3390/antiox10020289] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/09/2021] [Accepted: 02/12/2021] [Indexed: 01/23/2023] Open
Abstract
Bisphenol A (BPA), a well-known endocrine disruptor present in epoxy resins and polycarbonate plastics, negatively disturbs the male reproductive system affecting male fertility. In vivo studies showed that BPA exposure has deleterious effects on spermatogenesis by disturbing the hypothalamic–pituitary–gonadal axis and inducing oxidative stress in testis. This compound seems to disrupt hormone signalling even at low concentrations, modifying the levels of inhibin B, oestradiol, and testosterone. The adverse effects on seminal parameters are mainly supported by studies based on urinary BPA concentration, showing a negative association between BPA levels and sperm concentration, motility, and sperm DNA damage. Recent studies explored potential approaches to treat or prevent BPA-induced testicular toxicity and male infertility. Since the effect of BPA on testicular cells and spermatozoa is associated with an increased production of reactive oxygen species, most of the pharmacological approaches are based on the use of natural or synthetic antioxidants. In this review, we briefly describe the effects of BPA on male reproductive health and discuss the use of antioxidants to prevent or revert the BPA-induced toxicity and infertility in men.
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Gul P, Celik N, Ozgeris FB, Demirkaya-Miloglu F, Kiziltunc A, Seven N. Effects of Bisphenol A Released From Composite Fillings on Reproductive Hormone Levels in Men. Int Dent J 2021; 71:343-351. [PMID: 33583564 PMCID: PMC9275326 DOI: 10.1016/j.identj.2020.12.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Objectives Composite resins are the most preferred filling material because of their excellent aesthetic qualities. However, a filling material should also be biocompatible as well as aesthetic. The aim of this study was to determine the serum and saliva bisphenol-A (BPA) levels and to examine the effects of serum BPA on reproductive hormone levels after healthy men were treated with composite fillings. Methods Eighteen healthy males each received 2 composite restorations. Saliva and blood samples of subjects were collected before resin application and 1 day and 1, 3, and 5 weeks after the resin was applied. BPA amounts in samples were detected using high-performance liquid chromatography (HPLC). Serum gonadotropins, testosterone, sex hormone binding globulin, free androgen index, and oestrogen levels were measured with radioimmunological assay kits. Statistical analysis of data was made using Friedman, Wilcoxon signed ranks and Mann-Whitney U tests (α = 0.05). Results The amount of BPA released from composite resins over time was not significantly elevated in either saliva or serum (P > 0.5). In addition, serum BPA levels were significantly higher than saliva BPA levels for both composites (P < .05), but saliva and serum BPA levels were not statistically different when comparing the 2 composites (P > .05). Conclusions BPA from composite resins used in this study did not significantly alter serum hormone levels.
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Affiliation(s)
- Pinar Gul
- Department of Restorative Dentistry, Faculty of Dentistry, Atatürk University, Erzurum, Turkey.
| | - Neslihan Celik
- Department of Restorative Dentistry, Faculty of Dentistry, Atatürk University, Erzurum, Turkey
| | - Fatma Betul Ozgeris
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Atatürk University, Erzurum, Turkey
| | - Fatma Demirkaya-Miloglu
- Department of Analytical Chemistry, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey
| | - Ahmet Kiziltunc
- Department of Biochemistry, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Nilgun Seven
- Department of Restorative Dentistry, Faculty of Dentistry, Atatürk University, Erzurum, Turkey
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Li M, Yang T, Gao L, Xu H. An inadvertent issue of human retina exposure to endocrine disrupting chemicals: A safety assessment. CHEMOSPHERE 2021; 264:128484. [PMID: 33022499 DOI: 10.1016/j.chemosphere.2020.128484] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 09/07/2020] [Accepted: 09/27/2020] [Indexed: 06/11/2023]
Abstract
Endocrine disrupting chemicals (EDCs) are a group of chemical compounds that present a considerable public health problem due to their pervasiveness and associations with chronic diseases. EDCs can interrupt the endocrine system and interfere with hormone homeostasis, leading to abnormalities in human physiology. Much attention has been focused on the adverse effects EDCs have on the reproductive system, neurogenesis, neuroendocrine system, and thyroid dysfunction. The eye is usually directly exposed to the surrounding environment; however, the influences of EDCs on the eye have received comparatively little attention. Ocular diseases, such as ocular surface diseases and retinal diseases, have been implicated in hormone deficiency or excess. Epidemiologic studies have shown that EDC exposure not only causes ocular surface disorders, such as dry eye, but also associates with visual deficits and retinopathy. EDCs can pass through the human blood-retinal barrier and enter the neural retina, and can then accumulate in the retina. The retina is an embryologic extension of the central nervous system, and is extremely sensitive and vulnerable to EDCs that could be passed across the placenta during critical periods of retinal development. Subtle alterations in the retinal development process usually result in profound immediate, long-term, and delayed effects late in life. This review, based on extensive literature survey, briefly summarizes the current knowledge about the impact of representative manufactured EDCs on retinal toxicity, including retinal structure alterations and dysfunction. We also highlight the potential mechanism of action of EDCs on the retina, and the predictive retinal models of EDC exposure.
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Affiliation(s)
- Minghui Li
- Southwest Hospital/Southwest Eye Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Key Lab of Visual Damage and Regeneration & Restoration of Chongqing, Chongqing, China
| | - Tian Yang
- Department of Cold Environmental Medicine, College of High Altitude Military Medicine, Third Military Medical University (Army Medical University), Chongqing, China
| | - Lixiong Gao
- Department of Ophthalmology, Third Medical Center of PLA General Hospital, Beijing, China
| | - Haiwei Xu
- Southwest Hospital/Southwest Eye Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Key Lab of Visual Damage and Regeneration & Restoration of Chongqing, Chongqing, China.
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26
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Oguro A, Sugitani A, Kobayashi Y, Sakuma R, Imaoka S. Bisphenol A stabilizes Nrf2 via Ca 2+ influx by direct activation of the IP 3 receptor. J Toxicol Sci 2021; 46:1-10. [PMID: 33408296 DOI: 10.2131/jts.46.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Bisphenol A (BPA) is an endocrine-disrupting chemical used in polycarbonate and epoxy resins. Previously, we found that BPA stabilized the protein levels of nuclear factor erythroid 2-related factor 2 (Nrf2) by inducing Ca2+ efflux into the cytosol, followed by nitric oxide synthase activation, resulting in the enhanced nitrosylation of Keap1, which is a negative regulator of Nrf2. However, the mechanisms behind the stimulation of Ca2+ efflux by BPA remain unknown. In the present study, we found that BPA stimulated Ca2+ efflux into the cytosol from the ER, but not from outside of cells through the plasma membrane in Hep3B cells. Ca2+ efflux and Nrf2 stabilization by BPA were inhibited by an inhibitor of the inositol 1,4,5-trisphosphate (IP3) receptor, 2-aminoethoxydiphenylborane, in the endoplasmic reticulum. IP3 is produced by activation of phospholipase C (PLC) from a membrane lipid, phosphatidylinositol 4,5-bisphosphate (PIP2). The induction of Nrf2 by BPA was not inhibited by a PLC inhibitor, U-73122, suggesting that BPA does not induce the production of IP3 via PLC activation. We found that BPA bound directly to the IP3 binding core domain of the IP3 receptor, and BPA competed with IP3 on this site. In addition, overexpression of this domain of the IP3 receptor in Hep3B cells inhibited the stabilization of Nrf2 by BPA. These results clarified that the IP3 receptor is a new target of BPA, and that BPA induces Ca2+ efflux from the endoplasmic reticulum via activation of the IP3 receptor.
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Affiliation(s)
- Ami Oguro
- Department of Biomedical Chemistry, School of Science and Technology, Kwansei Gakuin University.,Program of Biomedical Science, Graduate School of Integrated Sciences for Life, Hiroshima University
| | - Atsushi Sugitani
- Department of Biomedical Chemistry, School of Science and Technology, Kwansei Gakuin University
| | - Yukino Kobayashi
- Department of Biomedical Chemistry, School of Science and Technology, Kwansei Gakuin University
| | - Rika Sakuma
- Department of Biomedical Chemistry, School of Science and Technology, Kwansei Gakuin University
| | - Susumu Imaoka
- Department of Biomedical Chemistry, School of Science and Technology, Kwansei Gakuin University
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Engin AB, Engin A. The effect of environmental Bisphenol A exposure on breast cancer associated with obesity. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 81:103544. [PMID: 33161112 DOI: 10.1016/j.etap.2020.103544] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/30/2020] [Accepted: 11/01/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol A (BPA) is a widely used endocrine disrupter. Its environmental exposure is a causative factor of cell aging via decreasing telomerase activity, thus leading to shortening of telomere length. Epidemiological studies confirm positive associations between BPA exposure and the incidence of obesity and type 2 diabetes (T2DM). Increased urinary BPA levels in obese females are both significantly correlated with shorter relative telomere length and T2DM. BPA is a critically effective endocrine disrupter leading to poor prognosis via the obesity-inflammation-aromatase axis in breast cancer. Environmental BPA exposure contributes to the progression of both estrogen dependent and triple negative breast cancers. BPA is a positive regulator of human telomerase reverse transcriptase (hTERT) and it increases the expression of hTERT mRNA in breast cancer cells. BPA exposure can lead to tamoxifen resistance. Among patients treated with chemotherapy, those with persistent high telomerase activity due to BPA are at higher risk of death.
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Affiliation(s)
- Ayse Basak Engin
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey.
| | - Atilla Engin
- Gazi University, Faculty of Medicine, Department of General Surgery, Ankara, Turkey
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28
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Shen J, Li X, Wang X, Feng J, He X, Jiang S, Zhou A, Ouyang X. Study on the Release Potential of BPA and Steroid Estrogens in the Sediments of Erhai Lake, a Typical Plateau Lake of China. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 105:882-891. [PMID: 33175186 DOI: 10.1007/s00128-020-03040-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 11/03/2020] [Indexed: 06/11/2023]
Abstract
On-site sampling analysis and laboratory-scale experiments were conducted to study the pollution status and release potential of EDCs in Erhai Lake. We found that nitrogen and phosphorus pollution in Erhai Lake sediment were both at a high level, as well as EDCs pollution. The concentrations of BPA, E2α, E1, E2β, EE2, and E3 were 36.84 ng/g(DW), 13.04 ng/g(DW), 128.97 ng/g(DW), 52.57 ng/g(DW), 18.48 ng/g(DW) and 5.36 ng/g(DW), respectively. The concentrations of E2α, E1, E2β and EE2 in the bottom water were higher than the surface water due to the impact of sediment release. The results of the 20 days release test indicated that BPA release from the sediment had a greater correlation with the original concentration and the particle size of sediment, while the steroid EDCs had no obvious correlation with these two factors, probably due to the difference in hydrophobicity between them. Under hydraulic disturbance and aerobic conditions, the release process of EDCs was accompanied by a large amount of microbial degradation, and degradation amount > released amount. BPA was released quickly, 9.56% was released in 20 days, but only 3.37% of steroid EDCs released. In comparison, the release process of steroids was longer and posed a greater threat to aquatic ecology.
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Affiliation(s)
- Jian Shen
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
- Yunnan Erhai Lake Ecosystem Observation and Research Station, Dali, 671000, China
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Dali, 671000, China
| | - Xueying Li
- Yunnan Erhai Lake Ecosystem Observation and Research Station, Dali, 671000, China
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Dali, 671000, China
| | - Xinze Wang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
- Yunnan Erhai Lake Ecosystem Observation and Research Station, Dali, 671000, China.
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Dali, 671000, China.
| | - Jimeng Feng
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
- Yunnan Erhai Lake Ecosystem Observation and Research Station, Dali, 671000, China
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Dali, 671000, China
| | - Xiaojuan He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shiyi Jiang
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Dali, 671000, China
| | - Ailing Zhou
- Yunnan Erhai Lake Ecosystem Observation and Research Station, Dali, 671000, China
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Dali, 671000, China
| | - Xiaoyan Ouyang
- Yunnan Erhai Lake Ecosystem Observation and Research Station, Dali, 671000, China
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Dali, 671000, China
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Batista-Silva H, Rodrigues K, Sousa de Moura KR, Van Der Kraak G, Delalande-Lecapitaine C, Mena Barreto Silva FR. Role of bisphenol A on calcium influx and its potential toxicity on the testis of Danio rerio. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 202:110876. [PMID: 32563953 DOI: 10.1016/j.ecoenv.2020.110876] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 06/07/2020] [Accepted: 06/08/2020] [Indexed: 06/11/2023]
Abstract
This study investigated the acute in vitro effect of low-concentration bisphenol A (BPA) on calcium (45Ca2+) influx in zebrafish (Danio rerio) testis and examined whether intracellular Ca2+ was involved in the effects of BPA on testicular toxicity. In vitro studies on 45Ca2+ influx were performed in the testes after incubation with BPA for 30 min. Inhibitors were added 15 min before the addition of 45Ca2+ and BPA to testes to study the mechanism of action of BPA. The involvement of intracellular calcium from stores on lactate dehydrogenase (LDH) release and on triacylglycerol (TAG) content were carried out after in vitro incubation of testes with BPA for 1 h. Furthermore, gamma-glutamyl transpeptidase (GGT) and aspartate aminotransferase (AST) activities were analyzed in the liver at 1 h after in vitro BPA incubation of D. rerio. Our data show that the acute in vitro treatment of D. rerio testes with BPA at very low concentration activates plasma membrane ionic channels, such as voltage-dependent calcium channels and calcium-dependent chloride channels, and protein kinase C (PKC), which stimulates Ca2+ influx. In addition, BPA increased cytosolic Ca2+ by activating inositol triphosphate receptor (IP3R) and inhibiting sarco/endoplasmic reticulum calcium ATPase (SERCA) at the endoplasmic reticulum, contributing to intracellular Ca2+ overload. The protein kinases, PKC, MEK 1/2 and PI3K, are involved in the mechanism of action of BPA, which may indicate a crosstalk between the non-genomic initiation effects mediated by PLC/PKC/IP3R signaling and genomic responses of BPA mediated by the estrogen receptor (ESR). In vitro exposure to a higher concentration of BPA caused cell damage and plasma membrane injury with increased LDH release and TAG content; both effects were dependent on intracellular Ca2+ and mediated by IP3R. Furthermore, BPA potentially induced liver damage, as demonstrated by increased GGT activity. In conclusion, in vitro effect of BPA in a low concentration triggers cytosolic Ca2+ overload and activates downstream protein kinases pointing to a crosstalk between its non-genomic and genomic effects of BPA mediated by ESR. Moreover, in vitro exposure to a higher concentration of BPA caused intracellular Ca2+-dependent testicular cell damage and plasma membrane injury. This acute toxicity was reinforced by increased testicular LDH release and GGT activity in the liver.
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Affiliation(s)
- Hemily Batista-Silva
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, CEP: 88040-900, Florianópolis, Santa Catarina, Brazil; Département Biologie et Sciences de La Terre, Université de Caen Normandie, Caen, Normandie, France
| | - Keyla Rodrigues
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, CEP: 88040-900, Florianópolis, Santa Catarina, Brazil
| | | | - Glen Van Der Kraak
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
| | | | - Fátima Regina Mena Barreto Silva
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, CEP: 88040-900, Florianópolis, Santa Catarina, Brazil.
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Nanjappa MK, Medrano TI, Mesa AM, Ortega MT, Caldo PD, Mao J, Kinkade JA, Levin ER, Rosenfeld CS, Cooke PS. Mice lacking membrane estrogen receptor 1 are protected from reproductive pathologies resulting from developmental estrogen exposure†. Biol Reprod 2020; 101:392-404. [PMID: 31141131 DOI: 10.1093/biolre/ioz090] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 03/22/2019] [Indexed: 01/06/2023] Open
Abstract
Both membrane and nuclear fractions of estrogen receptor 1 (ESR1) mediate 17β-estradiol (E2) actions. Mice expressing nuclear (n)ESR1 but lacking membrane (m)ESR1 (nuclear-only estrogen receptor 1 [NOER] mice) show reduced E2 responsivity and reproductive abnormalities culminating in adult male and female infertility. Using this model, we investigated whether reproductive pathologies caused by the synthetic estrogen diethylstilbestrol (DES) are mitigated by mESR1 ablation. Homozygous and heterozygous wild-type (WT and HET, respectively) and NOER male and female mice were subcutaneously injected with DES (1 mg/kg body weight [BW]) or vehicle daily from postnatal day (PND) 1-5. Uterine histology was assessed in select DES-treated females at PND 5, whereas others were ovariectomized at PND 60 and treated with E2 (10 μg/kg BW) or vehicle 2 weeks later. Neonatal DES exposure resulted in ovary-independent epithelial proliferation in the vagina and uterus of WT but not NOER females. Neonatal DES treatment also induced ovary-independent adult expression of classical E2-induced transcripts (e.g., lactoferrin [Ltf] and enhancer of zeste homolog 2 [Ezh2]) in WT but not NOER mice. At PND 90, DES-treated WT and HET males showed smaller testes and a high incidence of bacterial pyogranulomatous inflammation encompassing the testes, epididymis and occasionally the ductus deferens with spread to lumbar lymph nodes; such changes were largely absent in NOER males. Results indicate that male and female NOER mice are protected from deleterious effects of neonatal DES, and thus mESR1 signaling is required for adult manifestation of DES-induced reproductive pathologies in both sexes.
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Affiliation(s)
- Manjunatha K Nanjappa
- Department of Physiological Sciences, University of Florida, Gainesville, Florida, USA
| | - Theresa I Medrano
- Department of Physiological Sciences, University of Florida, Gainesville, Florida, USA
| | - Ana M Mesa
- Department of Physiological Sciences, University of Florida, Gainesville, Florida, USA
| | - Madison T Ortega
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA.,Biomedical Sciences, University of Missouri, Columbia, Missouri, USA
| | - Paul D Caldo
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA.,Biomedical Sciences, University of Missouri, Columbia, Missouri, USA
| | - Jiude Mao
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA.,Biomedical Sciences, University of Missouri, Columbia, Missouri, USA
| | - Jessica A Kinkade
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA.,Biomedical Sciences, University of Missouri, Columbia, Missouri, USA
| | - Ellis R Levin
- Division of Endocrinology, Department of Medicine, University of California, Irvine, Irvine, California, USA.,Department of Veterans Affairs Medical Center, Long Beach, Long Beach, California, USA
| | - Cheryl S Rosenfeld
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA.,Biomedical Sciences, University of Missouri, Columbia, Missouri, USA.,Thompson Center for Autism and Neurobehavioral Disorders, University of Missouri, Columbia, Missouri, USA.,MU Informatics Institute, University of Missouri, Columbia, Missouri, USA
| | - Paul S Cooke
- Department of Physiological Sciences, University of Florida, Gainesville, Florida, USA
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31
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Noorimotlagh Z, Mirzaee SA, Martinez SS, Rachoń D, Hoseinzadeh M, Jaafarzadeh N. Environmental exposure to nonylphenol and cancer progression Risk-A systematic review. ENVIRONMENTAL RESEARCH 2020; 184:109263. [PMID: 32113025 DOI: 10.1016/j.envres.2020.109263] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 02/14/2020] [Accepted: 02/14/2020] [Indexed: 05/26/2023]
Abstract
Environmental exposure to nonylphenol (NP) can adversely affect human and wildlife health. A systematic review was conducted to evaluate the relationship between environmental NP exposure and cancer progression risk. Literature surveys were conducted within several international databases using appropriate keywords. A comprehensive search yielded 58 eligible studies involving a wide range of adverse effects, exposure assessment methods, study designs, and experimental models. Most studies reported that NP strongly induced breast cancer progression in intended experiments. Positive associations between NP exposure and ovarian, uterine, pituitary, and testicular cancers were also reported. Although some studies reported no relation between environmental NP exposure and tumour and/or cancer progression, NP (a known endocrine disrupting chemical) induced action mechanisms in multiple experimental models and may interfere with/hyper-activate oestrogen signalling. Secretion of oestrogen and development of reproductive tissues like breasts, uteruses, and ovaries showed strong associations with possible neoplasia (i.e., uncontrolled development of tumours and/or malignant cancers). Findings of this study are important for informing policymakers to pass legislation limiting the use of environmental contaminants such as NP before all adverse effects of exposure have been determined.
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Affiliation(s)
- Zahra Noorimotlagh
- Biotechnology and Medical Plants Research Center, Ilam University of Medical Sciences, Ilam, Iran; Department of Environmental Health Engineering, School of Public Health, Ilam University of Medical Sciences, Ilam, Iran.
| | - Seyyed Abbas Mirzaee
- Biotechnology and Medical Plants Research Center, Ilam University of Medical Sciences, Ilam, Iran; Department of Environmental Health Engineering, School of Public Health, Ilam University of Medical Sciences, Ilam, Iran.
| | - Susana Silva Martinez
- Centro de Investigación en Ingeniería y Ciencias Aplicadas, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa, Cuernavaca, Morelos, 62210, Mexico.
| | - Dominik Rachoń
- Department of Clinical and Experimental Endocrinology, Medical University of Gdańsk, Dębinki 7, 80-211, Gdańsk, Poland.
| | - Mehran Hoseinzadeh
- Hematology, Oncology and Stem Cell Transplantation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Neemat Jaafarzadeh
- Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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de Aguiar Greca SC, Kyrou I, Pink R, Randeva H, Grammatopoulos D, Silva E, Karteris E. Involvement of the Endocrine-Disrupting Chemical Bisphenol A (BPA) in Human Placentation. J Clin Med 2020; 9:jcm9020405. [PMID: 32028606 PMCID: PMC7074564 DOI: 10.3390/jcm9020405] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 01/22/2020] [Accepted: 01/23/2020] [Indexed: 12/16/2022] Open
Abstract
Background: Endocrine-disrupting chemicals (EDCs) are environmental chemicals/toxicants that humans are exposed to, interfering with the action of multiple hormones. Bisphenol A (BPA) is classified as an EDC with xenoestrogenic activity with potentially adverse effects in reproduction. Currently, a significant knowledge gap remains regarding the complete spectrum of BPA-induced effects on the human placenta. As such, the present study examined the effects of physiologically relevant doses of BPA in vitro. Methods: qRT-PCR, Western blotting, immunofluorescence, ELISA, microarray analyses, and bioinformatics have been employed to study the effects of BPA using nonsyncytialised (non-ST) and syncytialised (ST) BeWo cells. Results: Treatment with 3 nM BPA led to an increase in cell number and altered the phosphorylation status of p38, an effect mediated primarily via the membrane-bound estrogen receptor (GPR30). Nonbiased microarray analysis identified 1195 and 477 genes that were differentially regulated in non-ST BeWo cells, whereas in ST BeWo cells, 309 and 158 genes had altered expression when treated with 3 and 10 nM, respectively. Enriched pathway analyses in non-ST BeWo identified a leptin and insulin overlap (3 nM), methylation pathways (10 nM), and differentiation of white and brown adipocytes (common). In the ST model, most significantly enriched were the nuclear factor erythroid 2-related factor 2 (NRF2) pathway (3 nM) and mir-124 predicted interactions with cell cycle and differentiation (10 nM). Conclusion: Collectively, our data offer a new insight regarding BPA effects at the placental level, and provide a potential link with metabolic changes that can have an impact on the developing fetus.
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Affiliation(s)
| | - Ioannis Kyrou
- Aston Medical Research Institute, Aston Medical School, Aston University, Birmingham B4 7ET, UK;
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
- Institute of Precision Diagnostics and Translational Medicine, UHCW NHS Trust, Coventry CV4 7AL, UK; (H.R.); (D.G.)
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK
| | - Ryan Pink
- Dept of Bio. & Med. Sci., Oxford Brookes University, Oxford OX3 0BP, UK;
| | - Harpal Randeva
- Institute of Precision Diagnostics and Translational Medicine, UHCW NHS Trust, Coventry CV4 7AL, UK; (H.R.); (D.G.)
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK
| | - Dimitris Grammatopoulos
- Institute of Precision Diagnostics and Translational Medicine, UHCW NHS Trust, Coventry CV4 7AL, UK; (H.R.); (D.G.)
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK
| | - Elisabete Silva
- College of Health and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK;
- Correspondence: (E.S.); (E.K.)
| | - Emmanouil Karteris
- College of Health and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK;
- Correspondence: (E.S.); (E.K.)
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De Toni L, De Rocco Ponce M, Petre GC, Rtibi K, Di Nisio A, Foresta C. Bisphenols and Male Reproductive Health: From Toxicological Models to Therapeutic Hypotheses. Front Endocrinol (Lausanne) 2020; 11:301. [PMID: 32582021 PMCID: PMC7287019 DOI: 10.3389/fendo.2020.00301] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 04/20/2020] [Indexed: 12/18/2022] Open
Abstract
Bisphenols, and in particular bisphenol A (BPA), have been widely used for the production of plastic manufacts in the last 50 years. Currently, BPA is present in a variety of daily use polycarbonate plastics and epoxy resins, and dietary ingestion is considered the main route of human exposure. Accordingly, BPA is the chemical pollutant with the widest exposure in humans, involving nearly 90% of general population, according to recent studies. Concerns about BPA effects on human health date back to 1930s, when severe impact on male sexual development was suggested. Now, the acknowledged biological effects of BPA are various. In regard to human fertility, BPA has been shown to disrupt hormone signaling even at low concentrations. Results from human epidemiological studies have reported BPA interference with follicle stimulating hormone, inhibin B, estradiol, testosterone levels, and sexual function in male subjects. Moreover, recent studies have reported an association between BPA levels and reduced sperm concentration, motility, normal morphology, sperm DNA damage, and altered epigenetic pattern, resulting in trans-generational legacy of BPA effects. In this review, the recognized effects of BPA on male reproductive health are described, from the most recent issues on experimental models to epidemiological data. In addition, the very recent interest about the use of nutraceutical remedies to counteract BPA effects are discussed.
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Affiliation(s)
- Luca De Toni
- Department of Medicine and Unit of Andrology and Reproductive Medicine, University of Padova, Padova, Italy
| | | | - Gabriel Cosmin Petre
- Department of Medicine and Unit of Andrology and Reproductive Medicine, University of Padova, Padova, Italy
| | - Kais Rtibi
- Laboratory of Functional Physiology and Valorization of Bioresources, Higher Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
| | - Andrea Di Nisio
- Department of Medicine and Unit of Andrology and Reproductive Medicine, University of Padova, Padova, Italy
| | - Carlo Foresta
- Department of Medicine and Unit of Andrology and Reproductive Medicine, University of Padova, Padova, Italy
- *Correspondence: Carlo Foresta
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Hall JM, Greco CW. Perturbation of Nuclear Hormone Receptors by Endocrine Disrupting Chemicals: Mechanisms and Pathological Consequences of Exposure. Cells 2019; 9:cells9010013. [PMID: 31861598 PMCID: PMC7016921 DOI: 10.3390/cells9010013] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/13/2019] [Accepted: 12/17/2019] [Indexed: 01/09/2023] Open
Abstract
Much of the early work on Nuclear Hormone Receptors (NHRs) focused on their essential roles as mediators of sex steroid hormone signaling in reproductive development and function, and thyroid hormone-dependent formation of the central nervous system. However, as NHRs display tissue-specific distributions and activities, it is not surprising that they are involved and vital in numerous aspects of human development and essential for homeostasis of all organ systems. Much attention has recently been focused on the role of NHRs in energy balance, metabolism, and lipid homeostasis. Dysregulation of NHR function has been implicated in numerous pathologies including cancers, metabolic obesity and syndrome, Type II diabetes mellitus, cardiovascular disease, hyperlipidemia, male and female infertility and other reproductive disorders. This review will discuss the dysregulation of NHR function by environmental endocrine disrupting chemicals (EDCs), and the associated pathological consequences of exposure in numerous tissues and organ systems, as revealed by experimental, clinical, and epidemiological studies.
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35
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Untangling the association between environmental endocrine disruptive chemicals and the etiology of male genitourinary cancers. Biochem Pharmacol 2019; 172:113743. [PMID: 31812676 DOI: 10.1016/j.bcp.2019.113743] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/02/2019] [Indexed: 02/06/2023]
Abstract
Endocrine disrupting chemicals disrupt normal physiological function of endogenous hormones, their receptors, and signaling pathways of the endocrine system. Most endocrine disrupting chemicals exhibit estrogen/androgen agonistic and antagonistic activities that impinge upon hormone receptors and related pathways. Humans are exposed to endocrine disrupting chemicals through food, water and air, affecting the synthesis, release, transport, metabolism, binding, function and elimination of naturally occurring hormones. The urogenital organs function as sources of steroid hormones, are targeted end organs, and participate within systemic feedback loops within the endocrine system. The effects of endocrine disruptors can ultimately alter cellular homeostasis leading to a broad range of health effects, including malignancy. Human cancer is characterized by uncontrolled cell proliferation, mechanisms opposing cell-death, development of immortality, induction of angiogenesis, and promotion of invasion/metastasis. While hormonal malignancies of the male genitourinary organs are the second most common types of cancer, the molecular effects of endocrine disrupting chemicals in hormone-driven cancers has yet to be fully explored. In this commentary, we examine the molecular evidence for the involvement of endocrine disrupting chemicals in the genesis and progression of hormone-driven cancers in the prostate, testes, and bladder. We also report on challenges that have to be overcome to drive our understanding of these chemicals and explore the potential avenues of discovery that could ultimately allow the development of tools to prevent cancer in populations where exposure is inevitable.
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36
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Endocrine Disruptors Induced Distinct Expression of Thyroid and Estrogen Receptors in Rat versus Mouse Primary Cerebellar Cell Cultures. Brain Sci 2019; 9:brainsci9120359. [PMID: 31817561 PMCID: PMC6955918 DOI: 10.3390/brainsci9120359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/01/2019] [Accepted: 12/04/2019] [Indexed: 12/31/2022] Open
Abstract
The endocrine system of animals consists of fine-tuned self-regulating mechanisms that maintain the hormonal and neuronal milieu during tissue development. This complex system can be influenced by endocrine disruptors (ED)—substances that can alter the hormonal regulation even in small concentrations. By now, thousands of substances—either synthesized by the plastic, cosmetic, agricultural, or medical industry or occurring naturally in plants or in polluted groundwater—can act as EDs. Their identification and testing has been a hard-to-solve problem; Recent indications that the ED effects may be species-specific just further complicated the determination of biological ED effects. Here we compare the effects of bisphenol-A, zearalenone, and arsenic (well-known EDs) exerted on mouse and rat neural cell cultures by measuring the differences of the ED-affected neural estrogen- and thyroid receptors. EDs alters the receptor expression in a species-like manner detectable in the magnitude as well as in the nature of biological responses. It is concluded that the interspecies differences (or species specificity) in ED effects should be considered in the future testing of ED effects.
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37
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Xiong Z, Li X, Yang Q. PTTG has a Dual Role of Promotion-Inhibition in the Development of Pituitary Adenomas. Protein Pept Lett 2019; 26:800-818. [PMID: 37020362 DOI: 10.2174/0929866526666190722145449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 06/12/2019] [Accepted: 06/14/2019] [Indexed: 11/22/2022]
Abstract
Pituitary Tumor Transforming Gene (PTTG) of human is known as a checkpoint gene in the middle and late stages of mitosis, and is also a proto-oncogene that promotes cell cycle progression. In the nucleus, PTTG works as securin in controlling the mid-term segregation of sister chromatids. Overexpression of PTTG, entering the nucleus with the help of PBF in pituitary adenomas, participates in the regulation of cell cycle, interferes with DNA repair, induces genetic instability, transactivates FGF-2 and VEGF and promotes angiogenesis and tumor invasion. Simultaneously, overexpression of PTTG induces tumor cell senescence through the DNA damage pathway, making pituitary adenoma possessing the potential self-limiting ability. To elucidate the mechanism of PTTG in the regulation of pituitary adenomas, we focus on both the positive and negative function of PTTG and find out key factors interacted with PTTG in pituitary adenomas. Furthermore, we discuss other possible mechanisms correlate with PTTG in pituitary adenoma initiation and development and the potential value of PTTG in clinical treatment.
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Affiliation(s)
- Zujian Xiong
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Xuejun Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Qi Yang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
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38
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Sonavane M, Gassman NR. Bisphenol A co-exposure effects: a key factor in understanding BPA's complex mechanism and health outcomes. Crit Rev Toxicol 2019; 49:371-386. [PMID: 31256736 DOI: 10.1080/10408444.2019.1621263] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Bisphenol A (BPA) is an environmental endocrine disrupting chemical widely used in the production of consumer products, such as polycarbonate plastics, epoxies, and thermal receipt paper. Human exposure to BPA is ubiquitous due to its high-volume production and use. BPA exposure has been associated with obesity, diabetes, reproductive disorders, and cancer. Yet, the molecular mechanisms or modes of action underlying these disease outcomes are poorly understood due to the pleiotropic effects induced by BPA. A further confounding factor in understanding BPA's impact on human health is that co-exposure of BPA with endogenous and exogenous agents occurs during the course of daily life. Studies investigating BPA exposure effects and their relationship to adverse health outcomes often ignore interactions between BPA and other chemicals present in the environment. This review examines BPA co-exposure studies to highlight potentially unexplored mechanisms of action and their possible associations with the adverse health effects attributed to BPA. Importantly, both adverse and beneficial co-exposure effects are observed between BPA and natural chemicals or environmental stressors in in vitro and in vivo models. These interactions clearly influence cellular responses and impact endpoint measures and need to be considered when evaluating BPA exposures and their health effects.
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Affiliation(s)
- Manoj Sonavane
- Department of Oncologic Sciences, University of South Alabama Mitchell Cancer Institute, Mobile, AL, USA.,Department of Physiology and Cell Biology, University of South Alabama College of Medicine, Mobile, AL, USA
| | - Natalie R Gassman
- Department of Oncologic Sciences, University of South Alabama Mitchell Cancer Institute, Mobile, AL, USA.,Department of Physiology and Cell Biology, University of South Alabama College of Medicine, Mobile, AL, USA
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39
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Siegel M, Krieg S, Shahine L. Endocrine Disruptors and Pregnancy Loss. CURRENT OBSTETRICS AND GYNECOLOGY REPORTS 2019. [DOI: 10.1007/s13669-019-0258-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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40
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A nitrocellulose paper strip for fluorometric determination of bisphenol A using molecularly imprinted nanoparticles. Mikrochim Acta 2019; 186:218. [DOI: 10.1007/s00604-019-3323-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 02/13/2019] [Indexed: 11/30/2022]
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41
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Rosenfeld CS, Cooke PS. Endocrine disruption through membrane estrogen receptors and novel pathways leading to rapid toxicological and epigenetic effects. J Steroid Biochem Mol Biol 2019; 187:106-117. [PMID: 30465854 PMCID: PMC6370520 DOI: 10.1016/j.jsbmb.2018.11.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/31/2018] [Accepted: 11/18/2018] [Indexed: 01/08/2023]
Abstract
Estrogen binding to estrogen receptors (ESR) triggers signaling cascades within cells. Historically, a major emphasis has been characterizing estrogen-induced genomic actions resulting from binding to nuclear estrogen receptor 1 (nESR1). However, recent evidence indicates the first receptors estrogens encounter as they enter a cell, membrane ESR1 (mESR1), also play crucial roles. Membrane and nuclear ESR are derived from the same transcripts but the former are directed to the membrane via palmitoylation. Binding and activation of mESR1 leads to rapid fluctuations in cAMP and Ca+2 and stimulation of protein kinase pathways. Endocrine disrupting chemicals (EDC) that mimic 17β-estradiol can signal through mESR1 and elicit non-genomic effects. Most current EDC studies have focused on genomic actions via nESR1. However, increasing number of studies have begun to examine potential EDC effects mediated through mESR1, and some EDC might have higher potency for signaling through mESR1 than nESR1. The notion that such chemicals might also affect mESR1 signaling via palmitoylation and depalmitoylation pathways has also begun to gain currency. Recent development of transgenic mice that lack either mESR1 or nESR1, while retaining functional ESR1 in the other compartment, will allow more precise in vivo approaches to determine EDC effects through nESR1 and/or mESR1. It is increasingly becoming apparent in this quickly evolving field that EDC directly affect mESR and estrogen signaling, but such chemicals can also affect proportion of ESR reaching the membrane. Future EDC studies should be designed to consider the full range of effects through mESR alone and in combination with nESR.
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Affiliation(s)
- Cheryl S Rosenfeld
- Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA; Biomedical Sciences, University of Missouri, Columbia, MO, 65211, USA; Thompson Center for Autism and Neurobehavioral Disorders, Columbia, MO, 65211, USA.
| | - Paul S Cooke
- Department of Physiological Sciences, University of Florida, Gainesville, FL, 32610, USA.
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42
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Watson CS, Koong L, Jeng YJ, Vinas R. Xenoestrogen interference with nongenomic signaling actions of physiological estrogens in endocrine cancer cells. Steroids 2019; 142:84-93. [PMID: 30012504 PMCID: PMC6339598 DOI: 10.1016/j.steroids.2018.06.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 06/15/2018] [Accepted: 06/27/2018] [Indexed: 11/20/2022]
Abstract
Rapid nongenomic signaling by estrogens (Es), initiated near the cell membrane, provides new explanations for the potent actions of environmental chemicals that imperfectly mimic physiological Es. These pathways can affect tumor growth, stabilization, or shrinkage via a number of signaling streams such as activation/inactivation of mitogen-activated protein kinases and caspases, generation of second messengers, and phospho-triggering of cyclin instability. Though prostate cancers are better known for their responsiveness to androgen deprivation, ∼17% of late stage tumors regress in response to high dose natural or pharmaceutical Es; however, the mechanisms at the cellular level are not understood. More accurate recent measurements show that estradiol (E2) levels decline in aging men, leading to the hypothesis that maintaining young male levels of E2 may prevent the growth of prostate cancers. Major contributions to reducing prostate cancer cell numbers included low E2 concentrations producing sustained ERK phospho-activation correlated with generation of reactive oxygen species causing cancer cell death, and phospho-activation of cyclin D1 triggering its rapid degradation by interrupting cell cycle progression. These therapeutic actions were stronger in early stage tumor cells (with higher membrane estrogen receptor levels), and E2 was far more effective compared to diethylstilbestrol (the most frequently prescribed E treatment). Xenoestrogens (XEs) exacerbated the growth of prostate cancer cells, and as we know from previous studies in pituitary cancer cells, can interfere with the nongenomic signaling actions of endogenous Es. Therefore, nongenomic actions of physiological levels of E2 may be important deterrents to the growth of prostate cancers, which could be undermined by the actions of XEs.
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Affiliation(s)
- Cheryl S Watson
- Biochemistry & Molecular Biology Dept., University of Texas Medical Branch, Galveston, TX 77555, United States.
| | - Luke Koong
- Biochemistry & Molecular Biology Dept., University of Texas Medical Branch, Galveston, TX 77555, United States
| | - Yow-Jiun Jeng
- Biochemistry & Molecular Biology Dept., University of Texas Medical Branch, Galveston, TX 77555, United States
| | - Rene Vinas
- Biochemistry & Molecular Biology Dept., University of Texas Medical Branch, Galveston, TX 77555, United States
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43
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Brown AR, Green JM, Moreman J, Gunnarsson LM, Mourabit S, Ball J, Winter MJ, Trznadel M, Correia A, Hacker C, Perry A, Wood ME, Hetheridge MJ, Currie RA, Tyler CR. Cardiovascular Effects and Molecular Mechanisms of Bisphenol A and Its Metabolite MBP in Zebrafish. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:463-474. [PMID: 30520632 PMCID: PMC6333396 DOI: 10.1021/acs.est.8b04281] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 11/12/2018] [Accepted: 12/06/2018] [Indexed: 05/03/2023]
Abstract
The plastic monomer bisphenol A (BPA) is one of the highest production volume chemicals in the world and is frequently detected in wildlife and humans, particularly children. BPA has been associated with numerous adverse health outcomes relating to its estrogenic and other hormonal properties, but direct causal links are unclear in humans and animal models. Here we simulated measured (1×) and predicted worst-case (10× ) maximum fetal exposures for BPA, or equivalent concentrations of its metabolite MBP, using fluorescent reporter embryo-larval zebrafish, capable of quantifying Estrogen Response Element (ERE) activation throughout the body. Heart valves were primary sites for ERE activation by BPA and MBP, and transcriptomic analysis of microdissected heart tissues showed that both chemicals targeted several molecular pathways constituting biomarkers for calcific aortic valve disease (CAVD), including extra-cellular matrix (ECM) alteration. ECM collagen deficiency and impact on heart valve structural integrity were confirmed by histopathology for high-level MBP exposure, and structural defects (abnormal curvature) of the atrio-ventricular valves corresponded with impaired cardiovascular function (reduced ventricular beat rate and blood flow). Our results are the first to demonstrate plausible mechanistic links between ERE activation in the heart valves by BPA's reactive metabolite MBP and the development of valvular-cardiovascular disease states.
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Affiliation(s)
- A. Ross Brown
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Jon M. Green
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - John Moreman
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Lina M. Gunnarsson
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Sulayman Mourabit
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Jonathan Ball
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Matthew J. Winter
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Maciej Trznadel
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Ana Correia
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Christian Hacker
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Alexis Perry
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Mark E. Wood
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Malcolm J. Hetheridge
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
| | - Richard A. Currie
- Jealott’s
Hill International Research Centre, Syngenta, Bracknell, Berkshire RG42
6EY, U.K.
| | - Charles R. Tyler
- Biosciences,
College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon EX4 4QD, U.K.
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44
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Pouzaud F, Thierry-Mieg M, Burga K, Vérines-Jouin L, Fiore K, Beausoleil C, Michel C, Rousselle C, Pasquier E. Concerns related to ED-mediated effects of Bisphenol A and their regulatory consideration. Mol Cell Endocrinol 2018; 475:92-106. [PMID: 29428396 DOI: 10.1016/j.mce.2018.02.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 01/25/2018] [Accepted: 02/05/2018] [Indexed: 12/21/2022]
Abstract
The extensive database on BPA provides strong evidence of its adverse effects on reproductive, neurobehavioural, metabolic functions and mammary gland. Disruption of estrogenic pathway is central in the mediation of these effects although other modes of action may be involved. BPA has a weak affinity for ERα/β but interaction with extranuclearly located pathways activated by estrogens such as ERRγ and GPER reveals how BPA can act at low doses. The effects are observed later in life after developmental exposure and are associated with pathologies of major societal concern in terms of severity, incidence, impact on quality of life, burden on public health system. The complexity of the dose response raise uncertainties on the possibility to establish safe levels and the scope of ED-mediated effects of BPA may be wider. These concerns fulfill the requirements for ED identification under REACH regulation.
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Affiliation(s)
| | | | - Karen Burga
- ANSES, Risk Assessment Department, Maisons-Alfort, France
| | | | - Karine Fiore
- ANSES, Risk Assessment Department, Maisons-Alfort, France
| | | | - Cécile Michel
- ANSES, Risk Assessment Department, Maisons-Alfort, France
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45
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Omran GA, Gaber HD, Mostafa NAM, Abdel-Gaber RM, Salah EA. Potential hazards of bisphenol A exposure to semen quality and sperm DNA integrity among infertile men. Reprod Toxicol 2018; 81:188-195. [DOI: 10.1016/j.reprotox.2018.08.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 08/07/2018] [Accepted: 08/09/2018] [Indexed: 11/25/2022]
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46
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Cao HX, Wang L, Pan CG, He YS, Liang GX. Aptamer based electrochemiluminescent determination of bisphenol A by using carboxylated graphitic carbon nitride. Mikrochim Acta 2018; 185:463. [PMID: 30225568 DOI: 10.1007/s00604-018-2997-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 09/08/2018] [Indexed: 12/14/2022]
Abstract
An electrochemiluminescence (ECL) based assay is described for the determination of the endocrine disruptor bisphenol A (BPA). The method is based on the use of carboxylated graphitic carbon nitride (C-g-C3N4) carrying an immobilized aptamer against BPA. In the presence of BPA, the ECL signal decreases due to ECL energy transfer from excited-state C-g-C3N4 to the BPA oxidation product. Under the optimal conditions, ECL intensity increases linearly in the 0.1 pM to 1 nM BPA concentration range. The detection limit is as low as 30 fM. The assay has excellent sensitivity, outstanding stability and high selectivity. It was applied to the determination of BPA in spiked water samples. Graphical abstract Aptamer modified carboxylated graphitic carbon nitride was synthesized and applied in an electrochemiluminescence-based aptasensor for bisphenol A.
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Affiliation(s)
- Hai-Xia Cao
- School of Pharmacy, Jiangsu University, Zhenjiang, 212013, China
| | - Li Wang
- School of Pharmacy, Jiangsu University, Zhenjiang, 212013, China.
| | - Chang-Gang Pan
- School of the Environment, Jiangsu University, Zhenjiang, 212013, China
| | - Yu-Sheng He
- School of the Environment, Jiangsu University, Zhenjiang, 212013, China
| | - Guo-Xi Liang
- School of the Environment, Jiangsu University, Zhenjiang, 212013, China.
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47
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Nunes HC, Scarano WR, Deffune E, Felisbino SL, Porreca I, Delella FK. Bisphenol a and mesenchymal stem cells: Recent insights. Life Sci 2018; 206:22-28. [DOI: 10.1016/j.lfs.2018.05.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 05/07/2018] [Accepted: 05/09/2018] [Indexed: 02/08/2023]
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48
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Manna B. Rational functionalization of reduced graphene oxide with an imidazole group for the electrochemical sensing of bisphenol A - an endocrine disruptor. Analyst 2018; 143:3451-3457. [PMID: 29922801 DOI: 10.1039/c8an00642c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reduced graphene oxide has been rationally functionalized with histamine for the highly sensitive and selective electrochemical determination of bisphenol A (BPA). Histamine is covalently attached to graphene oxide by amide coupling and the oxygen functionalities of graphene oxide are partially reduced electrochemically. The facilitated electrochemical oxidation of BPA was achieved in neutral pH with functionalized reduced graphene oxide. The pH of the reaction controls the oxidation of BPA. Electrochemical oxidation is not favourable at pH less than the pKa of histamine due to the protonation of the imidazole nitrogen. The electrode is highly sensitive (1727.29 ± 12.48 nA μM-1 cm-2) towards BPA and shows a linear response up to 30 μM of BPA. It could detect as low as 0.03 nM of BPA (S/N = 5). The other coexisting analytes do not interfere with the voltammetric measurement of BPA.
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Affiliation(s)
- Bhaskar Manna
- Functional Materials and Electrochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India.
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49
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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: 203] [Impact Index Per Article: 33.8] [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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50
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Mesnage R, Phedonos A, Arno M, Balu S, Corton JC, Antoniou MN. Editor's Highlight: Transcriptome Profiling Reveals Bisphenol A Alternatives Activate Estrogen Receptor Alpha in Human Breast Cancer Cells. Toxicol Sci 2018; 158:431-443. [PMID: 28591870 PMCID: PMC5837682 DOI: 10.1093/toxsci/kfx101] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Plasticizers with estrogenic activity, such as bisphenol A (BPA), have potential adverse
health effects in humans. Due to mounting evidence of these health effects, BPA is being
phased out and replaced by other bisphenol variants in “BPA-free” products. We have
compared estrogenic activity of BPA with 6 bisphenol analogues [bisphenol S (BPS);
bisphenol F (BPF); bisphenol AP (BPAP); bisphenol AF (BPAF); bisphenol Z (BPZ); bisphenol
B (BPB)] in 3 human breast cancer cell lines. Estrogenicity was assessed
(10−11–10−4 M) by cell growth in an estrogen receptor
(ER)-mediated cell proliferation assay, and by the induction of estrogen response
element-mediated transcription in a luciferase assay. BPAF was the most potent bisphenol,
followed by BPB > BPZ ∼ BPA > BPF ∼ BPAP > BPS. The addition of ICI 182,780
antagonized the activation of ERs. Data mining of ToxCast high-throughput screening assays
confirm our results but also show divergence in the sensitivities of the assays. Gene
expression profiles were determined in MCF-7 cells by microarray analysis. The comparison
of transcriptome profile alterations resulting from BPA alternatives with an ERα gene
expression biomarker further indicates that all BPA alternatives act as ERα agonists in
MCF-7 cells. These results were confirmed by Illumina-based RNA sequencing. In conclusion,
BPA alternatives are not necessarily less estrogenic than BPA in human breast cancer
cells. BPAF, BPB, and BPZ were more estrogenic than BPA. These findings point to the
importance of better understanding the risk of adverse effects from exposure to BPA
alternatives, including hormone-dependent breast cancer.
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Affiliation(s)
- Robin Mesnage
- Gene Expression and Therapy Group, Faculty of Life Sciences & Medicine, Department of Medical and Molecular Genetics, King's College London, London SE1 9RT, United Kingdom
| | - Alexia Phedonos
- Gene Expression and Therapy Group, Faculty of Life Sciences & Medicine, Department of Medical and Molecular Genetics, King's College London, London SE1 9RT, United Kingdom
| | - Matthew Arno
- Genomics Centre, King's College London, London SE1 9NH, United Kingdom
| | - Sucharitha Balu
- Genomics Centre, King's College London, London SE1 9NH, United Kingdom
| | - J Christopher Corton
- Integrated Systems Toxicology Division National Health and Environmental Effects Research Lab, US Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Michael N Antoniou
- Gene Expression and Therapy Group, Faculty of Life Sciences & Medicine, Department of Medical and Molecular Genetics, King's College London, London SE1 9RT, United Kingdom
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