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Bostancı M, Kaptaner B, Doğan A. Thyroid-disrupting effects of bisphenol S in male Wistar albino rats: Histopathological lesions, follicle cell proliferation and apoptosis, and biochemical changes. Toxicol Ind Health 2024; 40:559-580. [PMID: 39138139 DOI: 10.1177/07482337241267247] [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] [Indexed: 08/15/2024]
Abstract
In this presented study, the aim was to investigate the toxic effects of bisphenol S (BPS), one of the bisphenol A analogues, on the thyroid glands of male Wistar albino rats. Toward this aim, the rats (n = 28) were given a vehicle (control) or BPS at 3 different doses, comprising 20, 100, and 500 mg/kg of body weight (bw) via oral gavage for 28 days. According to the results, BPS led to numerous histopathological changes in the thyroid tissue. The average proliferation index values among the thyroid follicular cells (TFCs) displayed increases in all of the BPS groups, and significant differences were observed in the BPS-20 and BPS-100 groups. The average apoptotic index values in the TFCs were increased significantly in the BPS-500 group. The serum thyroid-stimulating hormone and serum free thyroxine levels did not show significant changes after exposure to BPS; however, the serum free triiodothyronine levels displayed significant decreases in all 3 of the BPS groups. BPS was determined to cause significant increases in the antioxidant enzyme activities of catalase, superoxide dismutase, glutathione-S-transferase, glutathione peroxidase, as well as a significantly decreased content of reduced glutathione. The malondialdehyde level in the thyroid tissue was elevated significantly in the BPS-500 group. The data obtained herein revealed that BPS has thyroid-disrupting potential based on structural changes, follicle cell responses, and biochemical alterations including a decreased serum free triiodothyronine level and increased oxidative stress.
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Affiliation(s)
- Müşerref Bostancı
- Department of Biology, Institute of Natural and Applied Sciences, Van Yuzuncu Yil University, Tuşba, Türkiye
| | - Burak Kaptaner
- Department of Biology, Faculty of Science, Van Yuzuncu Yil University, Tuşba, Türkiye
| | - Abdulahad Doğan
- Department of Biochemistry, Faculty of Pharmacy, Van Yuzuncu Yil University, Tuşba, Türkiye
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Khan A, Khan B, Hussain S, Wang Y, Mai W, Hou Y. Permethrin exposure impacts zebrafish lipid metabolism via the KRAS-PPAR-GLUT signaling pathway, which is mediated by oxidative stress. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 273:107021. [PMID: 38996480 DOI: 10.1016/j.aquatox.2024.107021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 07/01/2024] [Accepted: 07/06/2024] [Indexed: 07/14/2024]
Abstract
Permethrin (Per) is a widely used and frequently detected pyrethroid pesticide in agricultural products and the environment. It may pose potential toxicity to non-target organisms. Per has been reported to affect lipid homeostasis, although the mechanism is undefined. This study aims to explore the characteristic transcriptomic profiles and clarify the underlying signaling pathways of Per-induced lipid metabolism disorder in zebrafish liver. The results showed that environmental exposure to Per caused changes in the liver index, histopathology, and oxidative stress in zebrafish. Moreover, transcriptome results showed that Per heavily altered the pathways involved in metabolism, the immune system, and the endocrine system. We conducted a more in-depth analysis of the genes associated with lipid metabolism. Our findings revealed that exposure to Per led to a disruption in lipid metabolism by activating the KRAS-PPAR-GLUT signaling pathways through oxidative stress. The disruption of lipid homeostasis caused by exposure to Per may also contribute to obesity, hepatitis, and other diseases. The results may provide new insights for the risk of Permethrin to aquatic organisms and new horizons for the pathogenesis of hepatotoxicity.
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Affiliation(s)
- Afrasyab Khan
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, China 212013
| | - Bibimaryam Khan
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, China 212013
| | - Shakeel Hussain
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, China 212013
| | - Yuhan Wang
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, China 212013
| | - Weijun Mai
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, China 212013.
| | - Yongzhong Hou
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, China 212013.
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Chen Z, Li X, Gao J, Liu Y, Zhang N, Guo Y, Wang Z, Dong Z. Reproductive toxic effects of chronic exposure to bisphenol A and its analogues in marine medaka (Oryzias melastigma). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 271:106927. [PMID: 38643640 DOI: 10.1016/j.aquatox.2024.106927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 04/01/2024] [Accepted: 04/16/2024] [Indexed: 04/23/2024]
Abstract
As awareness of BPA's health risks has increased, many countries and regions have implemented strict controls on its use. Consequently, bisphenol analogues like BPF and BPAF are being increasingly used as substitutes. However, these compounds are also becoming increasingly prevalent in the environment due to production, use and disposal processes. The oceans act as a repository for various pollutants, and recent studies have revealed the extensive presence of bisphenols (BPs, including BPA, BPF, BPAF, etc.) in the marine environment, posing numerous health hazards to marine wildlife. Nevertheless, the reproductive toxicity of these chemicals on marine fish is not comprehensively comprehended yet. Thus, the histological features of the gonads and the gene expression profiles of HPG (Hypothalamic-Pituitary-Gonadal) axis-related genes in marine medaka (Oryzias melastigma) were studied after exposure to single and combined BPs for 70 days. The effects of each exposure group on spawning, embryo fertilization, and hatching in marine medaka were also assessed. Furthermore, the impacts of each exposure group on the genes related to methylation in the F2 and F3 generations were consistently investigated. BPs exposure was found to cause follicular atresia, irregular oocytes, and empty follicles in the ovary; but no significant lesions in the testis were observed. The expression of several HPG axis genes, including cyp19b, 17βhsd, 3βhsd, and fshr, resulted in significant changes compared to the control group. The quantity of eggs laid and fertilization rate decreased in all groups treated with BPs, with the BPAF-treated group showing a notable reduction in the number of eggs laid. Additionally, the hatching rate showed a more significant decline in the BPF-treated group. The analysis of methylated genes in the offspring of bisphenol-treated groups revealed significant changes in the expression of genes including amh, dnmt1, dnmt3ab, mbd2, and mecp2, indicating a potential transgenerational impact of bisphenols on phenotype through epigenetic modifications. Overall, the potential detrimental impact of bisphenol on the reproduction of marine medaka emphasizes the need for caution in considering the use of BPAF and BPF as substitutes.
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Affiliation(s)
- Zuchun Chen
- Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang 524088 China
| | - Xueyou Li
- Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang 524088 China
| | - Jiahao Gao
- Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang 524088 China
| | - Yue Liu
- Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang 524088 China
| | - Ning Zhang
- Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang 524088 China
| | - Yusong Guo
- Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang 524088 China
| | - Zhongduo Wang
- Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang 524088 China
| | - Zhongdian Dong
- Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang 524088 China; Guangdong Provincial Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Economic Animals, College of Fishery, Guangdong Ocean University, Zhanjiang 524088 China.
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Zhou R, Zhang L, Sun Y, Yan J, Jiang H. Association of urinary bisphenols with oxidative stress and inflammatory markers and their role in obesity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 266:115546. [PMID: 37827096 DOI: 10.1016/j.ecoenv.2023.115546] [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: 06/05/2023] [Revised: 09/30/2023] [Accepted: 10/03/2023] [Indexed: 10/14/2023]
Abstract
Bisphenol A (BPA) and its substitutes are widely used in daily life. Animal and cell line experiments have confirmed the effects of bisphenols on oxidative stress and inflammation. However, current population evidence for the effects of BPA alternatives, such as bisphenol F (BPF) and bisphenol S (BPS), on oxidative stress and inflammation is still sparse. Based on the National Health and Nutrition Examination Survey 2013-2016 data, our study used linear regression, weighted quantile sum model, and Bayesian kernel machine regression model to evaluate the effects of BPA, BPS, and BPF alone and in combination on oxidative stress (serum total bilirubin, and iron) and inflammation (alkaline phosphatase, C-reactive protein, γ-glutamyl transferase ferritin, neutrophil count, lymphocyte count, and neutrophil-to-lymphocyte ratio) markers. On this basis, the possible roles of oxidative stress and inflammation in obesity, which is associated with exposure to bisphenols (BPs), were initially explored. Based on the different covariates selected, a total of 3039 and 2258 participants were included in our study for models 1 and 2, respectively; the median age of participants was 48 years, and 48.7 % were male. Based on all models, our results showed that exposure to BPs alone or in combination was associated with downregulation of serum total bilirubin. Urinary BPF concentration was specifically associated with the neutrophil-to-lymphocyte ratio. Serum total bilirubin may play a role in the association between obesity and BP mixture exposure. Upregulation of the neutrophil-to-lymphocyte ratio was not associated with obesity. In conclusion, our study found that single or combined exposure to BPs, as measured in urine, may be associated with changes in oxidative stress and inflammatory markers, and a decrease in serum total bilirubin may play a mediating role in BP-induced obesity.
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Affiliation(s)
- Ren Zhou
- Department of Anesthesiology, The Ninth People's Hospital of Shanghai, Jiao Tong University School of Medicine, Shanghai 200011, People's Republic of China
| | - Lei Zhang
- Department of Anesthesiology, The Ninth People's Hospital of Shanghai, Jiao Tong University School of Medicine, Shanghai 200011, People's Republic of China
| | - Yu Sun
- Department of Anesthesiology, The Ninth People's Hospital of Shanghai, Jiao Tong University School of Medicine, Shanghai 200011, People's Republic of China
| | - Jia Yan
- Department of Anesthesiology, The Ninth People's Hospital of Shanghai, Jiao Tong University School of Medicine, Shanghai 200011, People's Republic of China.
| | - Hong Jiang
- Department of Anesthesiology, The Ninth People's Hospital of Shanghai, Jiao Tong University School of Medicine, Shanghai 200011, People's Republic of China.
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Amin MAS, Sonpol HMA, Gouda RHE, Aboregela AM. Bisphenol A enhances apoptosis, fibrosis, and biochemical fluctuations in the liver of adult male rats with possible regression after recovery. Anat Rec (Hoboken) 2023; 306:213-225. [PMID: 35773941 DOI: 10.1002/ar.25032] [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: 03/04/2022] [Revised: 06/12/2022] [Accepted: 06/17/2022] [Indexed: 01/29/2023]
Abstract
Bisphenol A (BPA) is an environmental contaminant that might be harmful. Human exposure to BPA can occur during the fetal and postnatal periods and extends throughout life. This study aimed to estimate the effects of oral administration of BPA on rat liver and assess the possibility of recovery after cessation. Adult male albino rats were orally administered with BPA (50 mg/kg body weight) for 8 weeks, and then one group was left to recover for 4 weeks. Histological, immunohistochemical, biochemical, and quantitative real-time polymerase chain reaction assessments were performed. Loss of hepatic architecture, vascular dilatation congestion, and exudation, as well as cellular vacuolation, fat accumulation, and pyknotic nuclei were detected. Furthermore, inflammatory infiltration, localized metaplasia, and excessive collagen deposition in the portal triad were observed. Expression of Bcl-2-associated X protein and transforming growth factor beta 1 was prominent, denoting apoptosis and fibrosis. After the administration of BPA, serum levels of alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, total bilirubin, cholesterol, triglycerides, and low-density lipoproteins were enhanced. Additionally, total protein, albumin, and high-density lipoproteins decreased. After a recovery for 4 weeks, hepatic cellular and vascular pathologies returned to normal, except for some inflammatory infiltration. Regarding biochemical affection, most of the parameters were directed toward normal during recovery. However, most of them were still significantly different from controls. This explored BPA hepatotoxicity from structural and functional aspects, and the possible spontaneous reversibility was confirmed. However, the precise mechanisms underlying hepatotoxicity or recovery need more in-depth investigations.
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Affiliation(s)
| | - Hany M A Sonpol
- Human Anatomy and Embryology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt.,Basic Medical Sciences Department, College of Medicine, University of Bisha, Bisha, Kingdom of Saudi Arabia
| | - Rehab Hassan Elbanna Gouda
- Medical Biochemistry Unit, Zagazig Scientific and Medical Research Center, Zagazig University, Zagazig, Egypt
| | - Adel Mohamed Aboregela
- Human Anatomy and Embryology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt.,Basic Medical Sciences Department, College of Medicine, University of Bisha, Bisha, Kingdom of Saudi Arabia
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Chen Y, Chen X, Li X, Liu Y, Guo Y, Wang Z, Dong Z. Effects of bisphenol AF on growth, behavior, histology and gene expression in marine medaka (Oryzias melastigma). CHEMOSPHERE 2022; 308:136424. [PMID: 36116629 DOI: 10.1016/j.chemosphere.2022.136424] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 06/15/2023]
Abstract
Bisphenol AF (BPAF) is one of the substitutes for bisphenol A (BPA), which has endocrine-disrupting, reproductive and neurological toxicity. BPAF has frequently been detected in the aquatic environment, which has been a long-term threat to the health of aquatic organisms. In this study, female marine medaka (Oryzias melastigma) were exposed to 6.7 μg/L, 73.4 μg/L, and 367.0 μg/L BPAF for 120 d. The effects of BPAF on behavior, growth, liver and ovarian histology, gene transcriptional profiles, and reproduction of marine medaka were determined. The results showed that with the increase of BPAF concentration, the swimming speed of female marine medaka showed an increasing trend and then decreasing trend. BPAF (367.0 μg/L) significantly increased body weight and condition factors in females. BPAF (73.4 μg/L and 367.0 μg/L) significantly delayed oocyte maturation. Exposure to 367.0 μg/L BPAF showed an increasing trend in the transcript levels of lipid synthesis and transport-related genes such as fatty acid synthase (fasn), sterol regulatory element binding protein (srebf), diacylglycerol acyltransferase (dgat), solute carrier family 27 member 4 (slc27a4), fatty acid-binding protein (fabp), and peroxisome proliferator-activated receptor gamma (pparγ) in the liver. In addition, 6.7 μg/L BPAF significantly down-regulated the expression levels of antioxidant-related genes [superoxide dismutase (sod), glutathione peroxidase (gpx), and catalase (cat)], and complement system-related genes [complement component 5 (c5), complement component 7a (c7a), mannan-binding lectin serine peptidase 1 (masp1), and tumor necrosis factor (tnf)] were significantly up-regulated in the 73.4 and 367.0 μg/L groups, which implies the effect of BPAF on the immune system in the liver. In the hypothalamic-pituitary-ovarian axis (HPG) results, the transcription levels of estrogen receptor α (erα), estrogen receptor β (erβ), androgen receptor (arα), gonadotropin-releasing hormone 2 (gnrh2), cytochrome P450 19b (cyp19b), aromatase (cyp19a), and luteinizing hormone receptor (lhr) in the brain and ovary, and vitellogenin (vtg) and choriogenin (chg) in the liver of 367.0 μg/L BPAF group showed a downward trend. In addition, exposure to 367.0 μg/L BPAF for 120 d inhibited the spawning behavior of marine medaka. Our results showed that long-term BPAF treatment influenced growth (body weight and condition factors), lipid metabolism, and ovarian maturation, and significantly altered the immune response and the transcriptional expression levels of HPG axis-related genes.
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Affiliation(s)
- Yuebi Chen
- Key Laboratory of Aquaculture in the South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang, China; Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang, China
| | - Xiaotian Chen
- Center for Industrial Analysis and Testing, Guangdong Academy of Sciences, Guangzhou, 510650, China
| | - Xueyou Li
- Key Laboratory of Aquaculture in the South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang, China
| | - Yue Liu
- Key Laboratory of Aquaculture in the South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang, China
| | - Yusong Guo
- Key Laboratory of Aquaculture in the South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang, China
| | - Zhongduo Wang
- Key Laboratory of Aquaculture in the South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang, China; State Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University School, Changsha, China
| | - Zhongdian Dong
- Key Laboratory of Aquaculture in the South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, College of Fishery, Guangdong Ocean University, Zhanjiang, China; Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang, China.
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Ghafoor S, Abbasi MH, Khawar MB, Tayyeb A, Saleem T, Ashfaq I, Sheikh N. Bisphenol S induced dysregulations in liver; iron regulatory genes and inflammatory mediators in male Wistar rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:83711-83722. [PMID: 35771333 DOI: 10.1007/s11356-022-21672-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
Bisphenol S (BPS), an analog of bisphenol A (BPA), has been frequently detected in consumer products, food wrappers, plastics, and thermal papers. Since the liver is a hub of metabolic and detoxification pathways, thus intimately related to BPS presence in the environment and body. The current study was designed to investigate the effects of BPS administration in an animal model. Twenty-five male Wistar rats weighing 175 ± 25 g were randomly divided into control and treated groups. The control group was further divided into group I (no treatment) and group II (corn oil), whereas the treatment group was divided into D-I (40 mg/kg/day), D-II (200 mg/kg/day), and D-III (400 mg/kg/day) groups, getting oral doses of BPS for 15 days. Data analysis showed a significant statistical increase in hepatic enzymes ALT (33.4%), AST (25.4%), and ALP (529.6%) in the D-III group along with the development of hypercholesterolemia and hypertriglyceridemia in all BPS groups. Aberrant mRNA expressions of some key hepatic iron regulatory genes and inflammatory mediators were evident through qRT-PCR. Bisphenol S caused congestion of central vein from mild to moderate in hepatic sections. In conclusion, our investigation insinuates BPS intoxication potential and therefore may not be a safe alternative to BPA.
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Affiliation(s)
- Shazia Ghafoor
- Cell & Molecular Biology Lab, Institute of Zoology, University of the Punjab, Q-A-Campus, Lahore, 54590, Pakistan
| | | | - Muhammad Babar Khawar
- Applied Molecular Biology and Biomedicine Lab, Department of Zoology, University of Narowal, Narowal, Pakistan
| | - Asima Tayyeb
- School of Biological Sciences (SBS), University of the Punjab, Q-A-Campus, Lahore, 54590, Pakistan
| | - Tayyaba Saleem
- Cell & Molecular Biology Lab, Institute of Zoology, University of the Punjab, Q-A-Campus, Lahore, 54590, Pakistan
| | - Isbah Ashfaq
- School of Biological Sciences (SBS), University of the Punjab, Q-A-Campus, Lahore, 54590, Pakistan
| | - Nadeem Sheikh
- Cell & Molecular Biology Lab, Institute of Zoology, University of the Punjab, Q-A-Campus, Lahore, 54590, Pakistan.
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Vignault C, Cadoret V, Jarrier-Gaillard P, Papillier P, Téteau O, Desmarchais A, Uzbekova S, Binet A, Guérif F, Elis S, Maillard V. Bisphenol S Impairs Oestradiol Secretion during In Vitro Basal Folliculogenesis in a Mono-Ovulatory Species Model. TOXICS 2022; 10:toxics10080437. [PMID: 36006116 PMCID: PMC9412475 DOI: 10.3390/toxics10080437] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 05/28/2023]
Abstract
Bisphenol S (BPS) affects terminal folliculogenesis by impairing steroidogenesis in granulosa cells from different species. Nevertheless, limited data are available on its effects during basal folliculogenesis. In this study, we evaluate in vitro the effects of a long-term BPS exposure on a model of basal follicular development in a mono-ovulatory species. We cultured ovine preantral follicles (180−240 μm, n = 168) with BPS (0.1 μM (possible human exposure dose) or 10 μM (high dose)) and monitored antrum appearance and follicular survival and growth for 15 days. We measured hormonal secretions (oestradiol (at day 13 [D13]), progesterone and anti-Müllerian hormone [D15]) and expression of key follicular development and redox status genes (D15) in medium and whole follicles, respectively. BPS (0.1 µM) decreased oestradiol secretion compared with the control (−48.8%, p < 0.001), without significantly impairing antrum appearance, follicular survival and growth, anti-Müllerian hormone and progesterone secretion and target gene expression. Thus, BPS could also impair oestradiol secretion during basal folliculogenesis as it is the case during terminal folliculogenesis. It questions the use of BPS as a safe BPA substitute in the human environment. More studies are required to elucidate mechanisms of action of BPS and its effects throughout basal follicular development.
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Affiliation(s)
- Claire Vignault
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
- Service de Médecine et Biologie de la Reproduction, CHRU de Tours, 37000 Tours, France
| | - Véronique Cadoret
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
- Service de Médecine et Biologie de la Reproduction, CHRU de Tours, 37000 Tours, France
| | - Peggy Jarrier-Gaillard
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
| | - Pascal Papillier
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
| | - Ophélie Téteau
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
| | - Alice Desmarchais
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
| | - Svetlana Uzbekova
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
| | - Aurélien Binet
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
- Service de Chirurgie Pédiatrique Viscérale, Urologique, Plastique et Brûlés, CHRU de Tours, 37000 Tours, France
| | - Fabrice Guérif
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
- Service de Médecine et Biologie de la Reproduction, CHRU de Tours, 37000 Tours, France
| | - Sebastien Elis
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
| | - Virginie Maillard
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (C.V.); (V.C.); (P.J.-G.); (P.P.); (O.T.); (A.D.); (S.U.); (A.B.); (F.G.); (S.E.)
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9
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Li YZ, Wu ZY, Zhu BQ, Wang YX, Kan YQ, Zeng HC. The BDNF-TrkB-CREB Signalling Pathway Is Involved in Bisphenol S-Induced Neurotoxicity in Male Mice by Regulating Methylation. TOXICS 2022; 10:toxics10080413. [PMID: 35893846 PMCID: PMC9331819 DOI: 10.3390/toxics10080413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 07/19/2022] [Accepted: 07/21/2022] [Indexed: 02/04/2023]
Abstract
Bisphenol S (BPS), the most common substitute for bisphenol A in manufacturing, is associated with neurotoxicity, but its molecular mechanisms are unclear. Here, we studied the role of the BDNF-TrkB-CREB (brain-derived neurotrophic factor-tropomyosin-related kinase B-CAMP response element-binding protein) signalling pathway in bisphenol S-induced neurotoxicity via methylation regulation in male C57BL/6 mice. The mice were treated with sesame oil or 2, 20 and 200 mg/kg body weight BPS for 28 consecutive days, and the hippocampus was extracted. We recorded the body weight, organ index, and hippocampal pathology and ultrastructure of the mice. The BDNF, TrkB, CREB, phosphorylated (p)-CREB, DNMTs (DNA methyltransferases) levels were determined by qRT-PCR and/or Western blotting. BDNF promoter IV methylation level was detected by bisulfite sequencing PCR. BPS damaged the mouse hippocampus ultrastructure and reduced the number of synapses. Further, it increased the methylation rate of BDNF promoter IV; downregulated BDNF, CREB, p-CREB/CREB and DNMT1 expression; and upregulated DNMT3a and DNMT3b expression. Therefore, we speculate that the BDNF-TrkB-CREB pathway may be involved in BPS-induced neurotoxicity in male mice by regulating methylation.
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Affiliation(s)
- Yi-Zhou Li
- Guangxi Key Laboratory of Environmental Exposomics and Entire Lifecycle Health, Guilin Medical University, Guilin 541199, China; (Y.-Z.L.); (Z.-Y.W.); (Y.-X.W.); (Y.-Q.K.)
- Guangxi Health Commission Key Laboratory of Entire Lifecycle Health and Care, Guilin Medical University, Guilin 541199, China
- Department of Environmental and Occupational Health, School of Public Health, Guilin Medical University, Guilin 541199, China
| | - Zi-Yao Wu
- Guangxi Key Laboratory of Environmental Exposomics and Entire Lifecycle Health, Guilin Medical University, Guilin 541199, China; (Y.-Z.L.); (Z.-Y.W.); (Y.-X.W.); (Y.-Q.K.)
- Guangxi Health Commission Key Laboratory of Entire Lifecycle Health and Care, Guilin Medical University, Guilin 541199, China
- Department of Environmental and Occupational Health, School of Public Health, Guilin Medical University, Guilin 541199, China
| | - Bi-Qi Zhu
- Department of Preventive Medicine, School of Public Health, University of South China, Hengyang 421001, China;
| | - Yu-Xiao Wang
- Guangxi Key Laboratory of Environmental Exposomics and Entire Lifecycle Health, Guilin Medical University, Guilin 541199, China; (Y.-Z.L.); (Z.-Y.W.); (Y.-X.W.); (Y.-Q.K.)
- Guangxi Health Commission Key Laboratory of Entire Lifecycle Health and Care, Guilin Medical University, Guilin 541199, China
- Department of Environmental and Occupational Health, School of Public Health, Guilin Medical University, Guilin 541199, China
| | - Ya-Qi Kan
- Guangxi Key Laboratory of Environmental Exposomics and Entire Lifecycle Health, Guilin Medical University, Guilin 541199, China; (Y.-Z.L.); (Z.-Y.W.); (Y.-X.W.); (Y.-Q.K.)
- Guangxi Health Commission Key Laboratory of Entire Lifecycle Health and Care, Guilin Medical University, Guilin 541199, China
- Department of Environmental and Occupational Health, School of Public Health, Guilin Medical University, Guilin 541199, China
| | - Huai-Cai Zeng
- Guangxi Key Laboratory of Environmental Exposomics and Entire Lifecycle Health, Guilin Medical University, Guilin 541199, China; (Y.-Z.L.); (Z.-Y.W.); (Y.-X.W.); (Y.-Q.K.)
- Guangxi Health Commission Key Laboratory of Entire Lifecycle Health and Care, Guilin Medical University, Guilin 541199, China
- Department of Environmental and Occupational Health, School of Public Health, Guilin Medical University, Guilin 541199, China
- Correspondence:
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Salahinejad A, Attaran A, Meuthen D, Rachamalla M, Chivers DP, Niyogi S. Maternal exposure to bisphenol S induces neuropeptide signaling dysfunction and oxidative stress in the brain, and abnormal social behaviors in zebrafish (Danio rerio) offspring. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 830:154794. [PMID: 35341835 DOI: 10.1016/j.scitotenv.2022.154794] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 03/16/2022] [Accepted: 03/20/2022] [Indexed: 06/14/2023]
Abstract
Recent studies show that bisphenol S (BPS) induces multiple adverse effects in exposed organisms; however, the maternal effects of BPS exposure remain poorly understood. Here, we expose adult female zebrafish to environmentally relevant concentrations of BPS (0, 1, 10, 30 μg/L) and 1 μg/L of 17-β-estradiol (E2) as a positive control for 60 days. Females were then paired with BPS-unexposed males and their offspring were raised in control water for 6 months. Maternal exposure to BPS was found to alter social behavior and anxiety response in a dose-specific manner in male offspring. Group preferences and social cohesion were significantly reduced by maternal exposure to 1 and 10 μg/L BPS, respectively. Additionally, maternal exposure to 1 and 30 μg/L BPS and E2 decreased offspring stress responses during the novel tank test. The impaired social behavior was associated with elevated arginine-vasotocin (AVT) level as well as with the altered expression of genes involved in AVT signaling pathway (AVT, avpr1aa) and enzymatic antioxidant genes (cat and Mn-sod) in the brain. Collectively, these results suggest that maternal exposure to environmentally relevant concentrations of BPS alters social behavior in zebrafish offspring, which is likely mediated by oxidative stress and disruption of neuropeptide signaling pathways in the brain.
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Affiliation(s)
- Arash Salahinejad
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada.
| | - Anoosha Attaran
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
| | - Denis Meuthen
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada; Evolutionary Biology, Bielefeld University, 33615 Bielefeld, Germany
| | - Mahesh Rachamalla
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
| | - Douglas P Chivers
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
| | - Som Niyogi
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada; Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK S7N 5B3, Canada
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11
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Meng Z, Wang Z, Chen X, Song Y, Teng M, Fan T, Zheng Y, Cui J, Xu W. Bioaccumulation and toxicity effects of flubendiamide in zebrafish (Danio rerio). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:26900-26909. [PMID: 34860341 DOI: 10.1007/s11356-021-17868-7] [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: 09/02/2021] [Accepted: 11/26/2021] [Indexed: 06/13/2023]
Abstract
Flubendiamide is a widely used diamide insecticide with many adverse effects on environmental organisms. This study assessed its bioaccumulation and toxicity effects in zebrafish (Danio rerio) using LC-MS/MS. The concentrations of flubendiamide in the whole zebrafish increased in the early stages and achieved steady levels at 14 days. The bioconcentration factors (BCFs) of flubendiamide was 1.125-2.011. Although flubendiamide did not significantly affect the growth phenotypes of zebrafish, it significantly changed the hepatic somatic index (HSI) of zebrafish. Histopathological analysis showed that flubendiamide could cause structural damage to the liver tissue of zebrafish. Further physiological and biochemical analysis showed that flubendiamide significantly changed the activity of catalase (CAT) and the contents of malondialdehyde (MDA) and glutathione (GSH) in liver of zebrafish. Moreover, flubendiamide significantly changed the mRNA expression levels of cell apoptosis-related genes, including p53, puma, caspase-3, caspase-9, apaf-1, and bax in liver of zebrafish. In summary, these results indicate that flubendiamide can cause liver damage by inducing oxidative stress and apoptosis in the liver of zebrafish. This study provides a background for further safety evaluation of flubendiamide to aquatic organisms.
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Affiliation(s)
- Zhiyuan Meng
- School of Horticulture and Plant Protection, Yangzhou University/Joint International Research Laboratory of Agriculture & Agri-Product Safety (Yangzhou University), Jiangsu Yangzhou, 225009, China
| | - Zhichao Wang
- School of Horticulture and Plant Protection, Yangzhou University/Joint International Research Laboratory of Agriculture & Agri-Product Safety (Yangzhou University), Jiangsu Yangzhou, 225009, China
| | - Xiaojun Chen
- School of Horticulture and Plant Protection, Yangzhou University/Joint International Research Laboratory of Agriculture & Agri-Product Safety (Yangzhou University), Jiangsu Yangzhou, 225009, China.
| | - Yueyi Song
- School of Horticulture and Plant Protection, Yangzhou University/Joint International Research Laboratory of Agriculture & Agri-Product Safety (Yangzhou University), Jiangsu Yangzhou, 225009, China
| | - Miaomiao Teng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Tianle Fan
- School of Horticulture and Plant Protection, Yangzhou University/Joint International Research Laboratory of Agriculture & Agri-Product Safety (Yangzhou University), Jiangsu Yangzhou, 225009, China
| | - Yang Zheng
- School of Horticulture and Plant Protection, Yangzhou University/Joint International Research Laboratory of Agriculture & Agri-Product Safety (Yangzhou University), Jiangsu Yangzhou, 225009, China
| | - Jiajia Cui
- School of Horticulture and Plant Protection, Yangzhou University/Joint International Research Laboratory of Agriculture & Agri-Product Safety (Yangzhou University), Jiangsu Yangzhou, 225009, China
| | - Wangjin Xu
- School of Horticulture and Plant Protection, Yangzhou University/Joint International Research Laboratory of Agriculture & Agri-Product Safety (Yangzhou University), Jiangsu Yangzhou, 225009, China
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Beausoleil C, Le Magueresse-Battistoni B, Viguié C, Babajko S, Canivenc-Lavier MC, Chevalier N, Emond C, Habert R, Picard-Hagen N, Mhaouty-Kodja S. Regulatory and academic studies to derive reference values for human health: The case of bisphenol S. ENVIRONMENTAL RESEARCH 2022; 204:112233. [PMID: 34688643 DOI: 10.1016/j.envres.2021.112233] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 05/22/2023]
Abstract
The close structural analogy of bisphenol (BP) S with BPA, a recognized endocrine-disrupting chemical and a substance of very high concern in the European Union, highlights the need to assess the extent of similarities between the two compounds and carefully scrutinize BPS potential toxicity for human health. This analysis aimed to investigate human health toxicity data regarding BPS, to find a point of departure for the derivation of human guidance values. A systematic and transparent methodology was applied to determine whether European or international reference values have been established for BPS. In the absence of such values, the scientific literature on human health effects was evaluated by focusing on human epidemiological and animal experimental studies. The results were analyzed by target organ/system: male and female reproduction, mammary gland, neurobehavior, and metabolism/obesity. Academic experimental studies were analyzed and compared to regulatory data including subchronic studies and an extended one-generation and reproduction study. In contrast to the regulatory studies, which were performed at dose levels in the mg/kg bw/day range, the academic dataset on specific target organs or systems showed adverse effects for BPS at much lower doses (0.5-10 μg/kg bw/day). A large disparity between the lowest-observed-adverse-effect levels (LOAELs) derived from regulatory and academic studies was observed for BPS, as for BPA. Toxicokinetic data on BPS from animal and human studies were also analyzed and showed a 100-fold higher oral bioavailability compared to BPA in a pig model. The similarities and differences between the two bisphenols, in particular the higher bioavailability of BPS in its active (non-conjugated) form and its potential impact on human health, are discussed. Based on the available experimental data, and for a better human protection, we propose to derive human reference values for exposure to BPS from the N(L)OAELs determined in academic studies.
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Affiliation(s)
| | | | - Catherine Viguié
- Toxalim, Institut National de la Recherche Agronomique et de l'Environnement (INRAE), Toulouse University, Ecole Nationale Vétérinaire de Toulouse (ENVT), Ecole d'Ingénieurs de Purpan (EIP), Université Paul Sabatier (UPS), Toulouse, France
| | - Sylvie Babajko
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | | | - Nicolas Chevalier
- Université Côte d'Azur, Centre Hospitalier Universitaire (CHU) de Nice, INSERM U1065, C3M, Nice, France
| | - Claude Emond
- University of Montreal, School of Public Health, DSEST, Montreal, Quebec, Canada
| | - René Habert
- Unit of Genetic Stability, Stem Cells and Radiation, Laboratory of Development of the Gonads, University Paris Diderot, Institut National de la Santé et de la Recherche Médicale (Inserm) U 967 - CEA, Fontenay-aux-Roses, France
| | - Nicole Picard-Hagen
- Toxalim, Institut National de la Recherche Agronomique et de l'Environnement (INRAE), Toulouse University, Ecole Nationale Vétérinaire de Toulouse (ENVT), Ecole d'Ingénieurs de Purpan (EIP), Université Paul Sabatier (UPS), Toulouse, France
| | - Sakina Mhaouty-Kodja
- Sorbonne Université, CNRS, INSERM, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France
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Bisphenol-S removal via photoelectro-fenton/H2O2 process using Co-porphyrin/Printex L6 gas diffusion electrode. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120299] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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14
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Bisphenol S exposure induces cytotoxicity in mouse Leydig cells. Food Chem Toxicol 2022; 160:112805. [PMID: 34990787 DOI: 10.1016/j.fct.2021.112805] [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: 08/11/2021] [Revised: 12/23/2021] [Accepted: 12/31/2021] [Indexed: 11/22/2022]
Abstract
Bisphenol S (BPS), an increasingly used alternative to bisphenol A, has been linked to testosterone deficiency and male reproductive dysfunction in laboratory animals. This study aimed to examine the cytotoxicity of BPS exposure to Leydig cells and to investigate its possible mechanisms. After treatment with BPS (100, 200 and 400 μM) for 48 h in vitro, TM3 mouse Leydig cells exhibited a dose-dependent decrease in the viability. Furthermore, BPS challenge triggered oxidative stress manifested by compromised activities of superoxide dismutase and catalase with exaggerated formation of reactive oxygen species. Especially, BPS exposure resulted in augmented mitochondrial permeability transition pore opening, dissipated mitochondrial membrane potential and reduced ATP generation, along with an altered energy metabolism. Moreover, BPS stimulation enhanced BAX expression and caspase-3 activity and inhibited BCL-2 expression. In addition, BPS-treated TM3 cells showed an accumulation of autophagic vacuoles, together with increased Beclin1 and P62 expression and elevated LC3B-II/LC3B-I ratio. These results demonstrated that in vitro exposure to BPS exerted cytotoxicity to TM3 Leydig cells through inducing oxidative stress, mitochondrial impairment, autophagic disturbance and apoptosis.
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15
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Darghouthi M, Rezg R, Boughmadi O, Mornagui B. Low-dose bisphenol S exposure induces hypospermatogenesis and mitochondrial dysfunction in rats: A possible implication of StAR protein. Reprod Toxicol 2022; 107:104-111. [PMID: 34838688 DOI: 10.1016/j.reprotox.2021.11.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/31/2021] [Accepted: 11/22/2021] [Indexed: 12/16/2022]
Abstract
A wide variety of environmental chemicals/xenobiotics including bisphenol A (BPA) has been shown to cause male reproductive dysfunctions and infertility. Recently, bisphenol S (BPS) replaces BPA, in several products, including foodstuffs, under the BPA-free label. However, several studies have raised inquietude about the potential adverse effects of BPS. The present study was conducted to evaluate sperm parameters, biochemical parameters, mitochondrial function, and histopathological patterns after post-lactation BPS exposure at a low dose. Male rats (21 days old) were exposed to water containing BPS at 50 μg/L in drinking water for 10 weeks. Results showed no significant alteration in the gonadosomatic index (GSI) and relative reproductive organs weight. However, a significant reduction in epididymal sperm parameters (number, viability, and mobility) with morphological abnormalities were observed in the BPS group compared to control. An increase of malondialdehyde (MDA) level accompanied by antioxidant defense alteration particularly, in glutathione peroxidase activity, as well as a defective mitochondrial function were observed in testicular tissues of BPS treated rats. More importantly, in histopathological diagnosis, BPS treatment induces hypospermatogenesis and alteration in Sertoli cells. In silico docking studies illustrated BPS binds with steroidogenic acute regulatory (StAR) protein thereby affecting the transport of cholesterol into mitochondria resulting in decreased steroidogenesis. These results reflect a reprotoxic effect of BPS vould potentially lead to fertility reduction, in sexually maturity age. We highlighted that post-lactation exposure to BPS, equivalent in humans to the period covering childhood and adolescent stages, disrupt male reproduction function.
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Affiliation(s)
- Malek Darghouthi
- LR18ES36, University of Gabes, Faculty of Sciences of Gabes, Gabes, Tunisia
| | - Raja Rezg
- BIOLIVAL LR-14ES06, University of Monastir, Monastir, Tunisia
| | - Olfa Boughmadi
- BIOLIVAL LR-14ES06, University of Monastir, Monastir, Tunisia
| | - Bessem Mornagui
- LR18ES36, University of Gabes, Faculty of Sciences of Gabes, Gabes, Tunisia.
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Pasciu V, Baralla E, Varoni MV, Demontis MP. Evaluation of curcuma and ginger mixture ability to prevent ROS production induced by bisphenol S: an in vitro study. Drug Chem Toxicol 2022; 45:324-330. [PMID: 31742468 DOI: 10.1080/01480545.2019.1690499] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/23/2019] [Accepted: 11/03/2019] [Indexed: 12/22/2022]
Abstract
The use of bisphenol S (BPS) as a substitute of Bisphenol A is increasing in several products and it can be found in different environmental and biological matrices. Its toxicity has been studied at different levels and one of BPS toxic mechanisms at high concentrations seems to be the induction of oxidative stress through the generation of reactive oxygen species (ROS). This study evaluates the ability of a curcuma and ginger (CG) mixture to exert an antioxidant effect on rat hepatocytes treated with BPS. The effects of the mixture were compared to those of a well-known antioxidant (Trolox). Three different BPS concentrations were used in order to verify ROS production. 70 µg/mL and 150 µg/mL of BPS generated a significant ROS increase (p < 0.01) as compared to control, while CG mixture was able to decrease this ROS production in hepatic cells, as compared to cells treated with 70 µg/ml of BPS (p < 0.01) restoring control levels. BPS 70 µg/mL was tested for total antioxidant capacity (TEAC), superoxide dismutase (SOD) and total thiols. TEAC and SOD significant decreased (p < 0.05 and p < 0.01, respectively) as compared to controls and CG mixture was able to restore control values. Given the widespread BPS use, results obtained in this study can be of high impact for the community, demonstrating the ability of a mixture of natural products to prevent BPS-induced oxidative stress.
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Affiliation(s)
- Valeria Pasciu
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Elena Baralla
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
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An H, Yu H, Wei Y, Liu F, Ye J. Disrupted metabolic pathways and potential human diseases induced by bisphenol S. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 88:103751. [PMID: 34624477 DOI: 10.1016/j.etap.2021.103751] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 09/28/2021] [Accepted: 09/30/2021] [Indexed: 06/13/2023]
Abstract
Although the toxicity of bisphenol S has been studied in some species, the global metabolic network disrupted by bisphenol S remains unclear. To this end, published datasets related to the genes, proteins, and metabolites disturbed by bisphenol S were investigated through omics methods. The dataset revealed that bisphenol S at high concentrations tended to downregulate biomolecules, while low concentrations of bisphenol S tended to enhance metabolic reactions. The results showed that exposure to bisphenol S upregulated estrogen and downregulated androgen metabolism in humans, mice, rats, and zebrafish. Fatty acid metabolism and phospholipid metabolism in mice were upregulated. Reactions in amino acid metabolism were upregulated, with the exception of the suppressive conversion of arginine to ornithine. In zebrafish, fatty acid synthesis was promoted, while nucleotide metabolism was primarily depressed through the downregulation of pyruvate 2-o-phosphotransferase. The interference in amino acid metabolism by bisphenol S could trigger Alzheimer's disease, while its disturbance of glucose metabolism was associated with type II diabetes. Disturbed glycolipid metabolism and vitamin metabolism could induce Alzheimer's disease and diabetes. These findings based on omics data provide scientific insight into the metabolic network regulated by bisphenol S and the diseases triggered by its metabolic disruption.
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Affiliation(s)
- Haiyan An
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Henan Yu
- Guangdong Ocean Engineering Technology School, Guangzhou, 510320, China
| | - Yibo Wei
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Feng Liu
- China Nuclear Power Technology Research Institute Co., Ltd, Shenzhen, 518000, China
| | - Jinshao Ye
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China.
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18
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Liu J, Martin LJ, Dinu I, Field CJ, Dewey D, Martin JW. Interaction of prenatal bisphenols, maternal nutrients, and toxic metal exposures on neurodevelopment of 2-year-olds in the APrON cohort. ENVIRONMENT INTERNATIONAL 2021; 155:106601. [PMID: 33962233 DOI: 10.1016/j.envint.2021.106601] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/20/2021] [Accepted: 04/22/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Epidemiological studies suggest that Bisphenol-A (BPA) is a developmental neurotoxicant, but the modifying effects of maternal nutrient status or neurotoxicant metal co-exposures have not been reported. Bisphenol-S (BPS) is being used as a BPA-alternative, but few epidemiological studies have evaluated its effects. OBJECTIVES To examine if prenatal maternal BPA or BPS exposure are associated with children's neurodevelopment at two years of age while adjusting for effect-measure modification by sex, maternal nutrients, and co-exposure to neurotoxic metals. METHODS Total BPA and BPS concentrations were analyzed in spot maternal urine from the second trimester; metals and maternal nutrient status were analyzed in blood. Child neurodevelopment was evaluated with the Bayley Scales of Infant Development-III (Bayley-III) at age 2 (394 maternal-child pairs) and linear regression was used to investigate associations. RESULTS Among nutrients and neurotoxic metals, selenium (Se) and cadmium (Cd) were the most significant predictors of Bayley-III scale scores. Higher maternal Cd was significantly correlated with poorer motor performance (p < 0.01), and higher levels of maternal Se were significantly associated with poorer performance on the cognitive, motor, and adaptive behavior scales (p < 0.05). While maternal Cd did not modify relationships between bisphenol exposures and Bayley-III scores, both maternal Se and child sex were significant effect-measure modifiers. Associations between BPA exposure and social emotional scores were negative for boys (p = 0.056) but positive for girls (p = 0.046). Higher exposure to bisphenols was associated with lower motor scores among children with lower levels of maternal Se. CONCLUSION Higher maternal Cd was associated with poorer motor development, but it was not an effect-measure modifier of bisphenols' effects on motor development. Maternal Se may be protective against adverse effects of bisphenols, and additional nutrient-bisphenol interaction studies examining sex-specific effects of BPA and BPS on child development are warranted.
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Affiliation(s)
- Jiaying Liu
- Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Canada; Department of Nutrition and Health, China Agricultural University, Beijing, China
| | | | - Irina Dinu
- School of Public Health, University of Alberta, Canada
| | - Catherine J Field
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Canada
| | - Deborah Dewey
- Departments of Paediatrics and Community Health Sciences and the Owerko Centre at the Alberta Children's Hospital Research Institute, University of Calgary, Canada
| | - Jonathan W Martin
- Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Canada; Science for Life Laboratory, Department of Environmental Sciences, Stockholm University, Stockholm, Sweden.
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Comparative toxicities of BPA, BPS, BPF, and TMBPF in the nematode Caenorhabditis elegans and mammalian fibroblast cells. Toxicology 2021; 461:152924. [PMID: 34474090 DOI: 10.1016/j.tox.2021.152924] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/19/2021] [Accepted: 08/27/2021] [Indexed: 01/10/2023]
Abstract
Bisphenol A (BPA) is a chemical compound commonly used in the production of plastics for daily lives and industry. As BPA is well known for its adverse health effects, several alternative materials have been developed. This study comprehensively analyzed the toxicity of BPA and its three substitutes including bisphenol S (BPS), bisphenol F (BPF), and tetramethyl bisphenol F (TMBPF) on aging, healthspan, and mitochondria using an in vivo Caenorhabditis elegans (C. elegans) model animal and cultured mammalian fibroblast cells. C. elegans treated with 1 mM BPA exhibited abnormalities in the four tested parameters related to development and growth, including delayed development, decreased body growth, reduced reproduction, and abnormal tissue morphology. Exposure to the same concentration of each alternative including TMBPF, which has been proposed as a relatively safe BPA alternative, detrimentally affected at least three of these events. Moreover, all bisphenols (except BPS) remarkably shortened the organismal lifespan and increased age-related changes in neurons. Exposure to BPA and BPF resulted in mitochondrial abnormalities, such as reduced oxygen consumption and mitochondrial membrane potential. In contrast, the ATP levels were noticeably higher after treatment with all bisphenols. In mammalian fibroblast cells, exposure to increasing concentrations of all bisphenols (ranging from 50 μM to 500 μM) caused a severe decrease in cell viability in a dose-dependent manner. BPA increased ATP levels and decreased ROS but did not affect mitochondrial permeability transition pores (mPTP). Notably, TMBPF was the only bisphenol that caused a significant increase in mitochondrial ROS and mPTP opening. These results suggest that the potentially harmful physiological effects of BPA alternatives should be considered.
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Mao L, Fang S, Zhao M, Liu W, Jin H. Effects of Bisphenol A and Bisphenol S Exposure at Low Doses on the Metabolome of Adolescent Male Sprague-Dawley Rats. Chem Res Toxicol 2021; 34:1578-1587. [PMID: 34019419 DOI: 10.1021/acs.chemrestox.1c00018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Toxic effects induced upon exposure to low-dose bisphenol A (BPA) or bisphenol S (BPS) remains controversial. In this study, metabolomics was used to examine the metabolomic perturbation arising from 28 days of exposure to BPA or BPS at 50 μg/kg bw/day in Sprague-Dawley (SD) rats. Endogenous metabolite profiling revealed a clear discrimination of metabolome in the rat plasma among BPA-treatment, BPS-treatment, and control groups. BPA exposure induced the up-regulation of 19 metabolites and down-regulation of 32 metabolites in plasma of SD rats, compared with the control. BPS exposure induced the up-regulation of 15 metabolites and the down-regulation of 33 metabolites in the plasma of SD rats, compared with the control. Joint pathway analysis suggested marked perturbations in the citrate cycle, butanoate metabolism, and alanine, aspartate, and glutamate metabolism for BPA-exposed rats as well as glycerophospholipid metabolism for BPS-exposed rats. These findings provide novel insights into associations between the metabolomic perturbation and phenotypic changes arising from BPA and BPS exposure.
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Affiliation(s)
- Lingling Mao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Shuhong Fang
- College of Resources and Environment, Chengdu University of Information Technology, Chengdu 610225, P. R. China
| | - Meirong Zhao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Weiping Liu
- Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Institution of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, P. R. China
| | - Hangbiao Jin
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
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Salahinejad A, Attaran A, Naderi M, Meuthen D, Niyogi S, Chivers DP. Chronic exposure to bisphenol S induces oxidative stress, abnormal anxiety, and fear responses in adult zebrafish (Danio rerio). THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 750:141633. [PMID: 32882496 DOI: 10.1016/j.scitotenv.2020.141633] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 08/04/2020] [Accepted: 08/09/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol S (BPS) is increasingly used in a wide range of industrial and consumer products, resulting in its ubiquitous distribution across the environment, including aquatic ecosystems. Although it is commonly known as a weak/moderate estrogenic compound, there has been a growing acknowledgment of the potential of BPS to cause toxicity by inducing oxidative stress. Oxidative stress is a major participant in the development of anxiety-like behaviors in humans and animals. Therefore, the present study was designed to examine the impact of BPS on anxiety-like behavior and fear responses in adult zebrafish and also to elucidate the possible linkage between the BPS neurotoxicity and oxidative status of the brain. To this end, adult male and female zebrafish were exposed to 0 (control), 1, 10, and 30 μg/L of BPS and 1 μg/L of 17-β-estradiol (E2) for 75 days. Following exposure, changes in anxiety and fear-related responses were evaluated by applying a novel tank test and by exposing focal fish to chemical alarm cues. Additionally, we evaluated the expression of multiple antioxidant genes in the zebrafish brain. Our results indicate that BPS, irrespective of exposure concentration, and E2 significantly decreased bottom-dwelling behavior and the latency to enter the upper water column. Furthermore, exposure to the highest concentration of BPS and E2 induced a significant decrease in fear-related responses. The impaired anxiety and reduced fear-related responses were associated with a down-regulation in the transcription of genes involved in enzymatic antioxidant defense. Taken together, our results suggest that chronic exposure to BPS impairs anxiety and fear responses in adult zebrafish, possibly by inducing oxidative stress in the brain.
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Affiliation(s)
- Arash Salahinejad
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada.
| | - Anoosha Attaran
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
| | - Mohammad Naderi
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada; Department of Biology, York University, Toronto, ON M3J 1P3, Canada
| | - Denis Meuthen
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada; Evolutionary Biology, Bielefeld University, 33615 Bielefeld, Germany
| | - Som Niyogi
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada; Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK S7N 5B3, Canada
| | - Douglas P Chivers
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
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Brulport A, Vaiman D, Bou-Maroun E, Chagnon MC, Corre LL. Hepatic transcriptome and DNA methylation patterns following perinatal and chronic BPS exposure in male mice. BMC Genomics 2020; 21:881. [PMID: 33297965 PMCID: PMC7727143 DOI: 10.1186/s12864-020-07294-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 11/28/2020] [Indexed: 11/21/2022] Open
Abstract
Background Bisphenol S (BPS) is a common bisphenol A (BPA) substitute, since BPA is virtually banned worldwide. However, BPS and BPA have both endocrine disrupting properties. Their effects appear mostly in adulthood following perinatal exposures. The objective of the present study was to investigate the impact of perinatal and chronic exposure to BPS at the low dose of 1.5 μg/kg body weight/day on the transcriptome and methylome of the liver in 23 weeks-old C57BL6/J male mice. Results This multi-omic study highlights a major impact of BPS on gene expression (374 significant deregulated genes) and Gene Set Enrichment Analysis show an enrichment focused on several biological pathways related to metabolic liver regulation. BPS exposure also induces a hypomethylation in 58.5% of the differentially methylated regions (DMR). Systematic connections were not found between gene expression and methylation profile excepted for 18 genes, including 4 genes involved in lipid metabolism pathways (Fasn, Hmgcr, Elovl6, Lpin1), which were downregulated and featured differentially methylated CpGs in their exons or introns. Conclusions This descriptive study shows an impact of BPS on biological pathways mainly related to an integrative disruption of metabolism (energy metabolism, detoxification, protein and steroid metabolism) and, like most high-throughput studies, contributes to the identification of potential exposure biomarkers. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12864-020-07294-3.
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Affiliation(s)
- Axelle Brulport
- Université de Bourgogne Franche-Comté, LNC UMR1231, F-21000, Dijon, France.,AgroSup, LNC UMR1231, 1 Esplanade Erasme, 21000, Dijon, France.,Nutrition Physiology and Toxicology Team (NUTox), INSERM, LNC UMR1231, F-21000, Dijon, France
| | - Daniel Vaiman
- From Gametes to Birth Team (FGTB), INSERM, U1016, Institut Cochin, F-75014, Paris, France.,CNRS UMR8104, F-75014, Paris, France.,Université Sorbonne Paris Cité, F-75014, Paris, France
| | - Elias Bou-Maroun
- Université de Bourgogne Franche-Comté, AgroSup Dijon, PAM UMR A 02.102, Procédés Alimentaires et Microbiologiques, F-21000, Dijon, France
| | - Marie-Christine Chagnon
- Université de Bourgogne Franche-Comté, LNC UMR1231, F-21000, Dijon, France.,AgroSup, LNC UMR1231, 1 Esplanade Erasme, 21000, Dijon, France.,Nutrition Physiology and Toxicology Team (NUTox), INSERM, LNC UMR1231, F-21000, Dijon, France
| | - Ludovic Le Corre
- Université de Bourgogne Franche-Comté, LNC UMR1231, F-21000, Dijon, France. .,AgroSup, LNC UMR1231, 1 Esplanade Erasme, 21000, Dijon, France. .,Nutrition Physiology and Toxicology Team (NUTox), INSERM, LNC UMR1231, F-21000, Dijon, France.
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Xie C, Ge M, Jin J, Xu H, Mao L, Geng S, Wu J, Zhu J, Li X, Zhong C. Mechanism investigation on Bisphenol S-induced oxidative stress and inflammation in murine RAW264.7 cells: The role of NLRP3 inflammasome, TLR4, Nrf2 and MAPK. JOURNAL OF HAZARDOUS MATERIALS 2020; 394:122549. [PMID: 32283380 DOI: 10.1016/j.jhazmat.2020.122549] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 02/20/2020] [Accepted: 03/15/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol S is considered as a safer alternative to bisphenol A. In the present study, we used murine macrophages to investigate the effects of BPS exposure on oxidative stress and inflammatory response as well as the underlying mechanism. Cells were exposed to BPS at various concentrations for short period of times. Results showed that 10-8 M BPS triggered oxidative stress by increasing ROS/RNS production, increased the levels of oxidant enzyme NOX1/2, and decreased the levels of antioxidant enzymes SOD1/2, CAT and GSH-Px. 10-8 M BPS exposure significantly induced the production of proinflammatory mediators. Activation of the NLRP3 inflammasome, TLR4, and MAPK pathways was involved in this process. Furthermore, we illustrated that NAC pretreatment diminished these effects triggered by BPS exposure. Collectively, our data suggested that BPS at a dose relevant to human serum concentration induced oxidative stress and inflammatory response in macrophages. These novel findings shed light on the concerns regarding the potential adverse effects of BPS exposure that requires further careful attention.
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Affiliation(s)
- Chunfeng Xie
- Department of Toxicology and Nutritional Science, School of Public Health, Nanjing Medical University, 818 East Tianyuan Rd, Jiangning, Nanjing, Jiangsu, 211166, China
| | - Miaomiao Ge
- Department of Toxicology and Nutritional Science, School of Public Health, Nanjing Medical University, 818 East Tianyuan Rd, Jiangning, Nanjing, Jiangsu, 211166, China
| | - Jianliang Jin
- Research Centre for Bone and Stem Cells, Department of Human Anatomy, Key Laboratory for Aging & Disease, The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Haie Xu
- Department of Clinical Nutrition, The Second Affiliated Hospital of Nanjing Medical University, No. 121 Jiangjiayuan Road, Nanjing, Jiangsu, 210011, China
| | - Li Mao
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu, 223300, China
| | - Shanshan Geng
- Department of Toxicology and Nutritional Science, School of Public Health, Nanjing Medical University, 818 East Tianyuan Rd, Jiangning, Nanjing, Jiangsu, 211166, China
| | - Jieshu Wu
- Department of Toxicology and Nutritional Science, School of Public Health, Nanjing Medical University, 818 East Tianyuan Rd, Jiangning, Nanjing, Jiangsu, 211166, China
| | - Jianyun Zhu
- Suzhou Digestive Diseases and Nutrition Research Center, North District of Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, No. 242 Guangji Road, Suzhou, Jiangsu, 215008, China.
| | - Xiaoting Li
- Department of Toxicology and Nutritional Science, School of Public Health, Nanjing Medical University, 818 East Tianyuan Rd, Jiangning, Nanjing, Jiangsu, 211166, China.
| | - Caiyun Zhong
- Department of Toxicology and Nutritional Science, School of Public Health, Nanjing Medical University, 818 East Tianyuan Rd, Jiangning, Nanjing, Jiangsu, 211166, China; Center for Global Health, Nanjing Medical University, 818 East Tianyuan Rd, Jiangning, Nanjing, Jiangsu, 211166, China.
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Salahinejad A, Naderi M, Attaran A, Meuthen D, Niyogi S, Chivers DP. Effects of chronic exposure to bisphenol-S on social behaviors in adult zebrafish: Disruption of the neuropeptide signaling pathways in the brain. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 262:113992. [PMID: 32126434 DOI: 10.1016/j.envpol.2020.113992] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 12/23/2019] [Accepted: 01/13/2020] [Indexed: 06/10/2023]
Abstract
Bisphenol S (BPS), considered to be a safe alternative to Bisphenol A, is increasingly used in a wide variety of consumer and industrial products. However, mounting evidence suggests that BPS can act as a xenoestrogen targeting a wide range of neuro-endocrine functions in animals. At present, very little is known about the impacts of BPS on social behaviors and/or the potential underlying mechanisms. To this end, we exposed adult male and female zebrafish to environmentally relevant concentrations of BPS (0 (control), 1, 10, and 30 μg/L), as well as to 17β-estradiol (E2; 1 μg/L; as positive control) for 75 days. Subsequently, alterations in social behaviors were evaluated by measuring shoal cohesion, group preferences, and locomotor activity. Furthermore, to elucidate the possible molecular mechanism underlying the neuro-behavioral effects of BPS, we also quantified the changes in the mRNA abundance of arginine vasotocin (AVT), isotocin (IT), and their corresponding receptors in the zebrafish brain. The results showed that E2 and BPS (30 μg/L) decreased shoal cohesion in both males and females. Moreover, a marked decline in group preferences was observed in all treatment groups, while locomotor activity remained unaffected. Alterations in the social behaviors were associated with sex-specific changes in the mRNA expression of genes involved in IT and AVT signaling. Taken together, the results of this study suggest that chronic exposure to BPS can impair zebrafish social behaviors via disruption of isotocinergic and vasotocinergic neuro-endocrine systems.
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Affiliation(s)
- Arash Salahinejad
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada.
| | - Mohammad Naderi
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Anoosha Attaran
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Denis Meuthen
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada; Institute for Evolutionary Biology and Ecology, University of Bonn, An der Immenburg 1, 53121, Bonn, Germany
| | - Som Niyogi
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada; Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK, S7N 5B3, Canada
| | - Douglas P Chivers
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada
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Azevedo LF, Hornos Carneiro MF, Dechandt CRP, Cassoli JS, Alberici LC, Barbosa F. Global liver proteomic analysis of Wistar rats chronically exposed to low-levels of bisphenol A and S. ENVIRONMENTAL RESEARCH 2020; 182:109080. [PMID: 31901629 DOI: 10.1016/j.envres.2019.109080] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 12/21/2019] [Accepted: 12/21/2019] [Indexed: 05/26/2023]
Abstract
Exposure to bisphenol A (BPA) and bisphenol S (BPS) has been associated with the development of metabolic disorders, such as obesity, dyslipidemias, and nonalcoholic fatty liver disease. Nonetheless, the associated mechanisms are still not fully understood. BPS is being used with no restrictions to replace BPA, which increases the concern regarding its safety and claims for further investigation on its potential mechanisms of toxicity. The present study aims to access liver molecular disturbances which could be associated with systemic metabolic disorders following exposure to BPA or BPS. Therefore, body weight gain and serum biochemical parameters were measured in male Wistar rats chronically exposed to 50 or 500 µg/kg/day of BPA or BPS, while an extensive evaluation of liver protein expression changes was conducted after exposure to 50 µg/kg/day of both compounds. Exposure to the lowest dose of BPA led to the development of hyperglycemia and hypercholesterolemia, while the BPS lowest dose led to the development of hypertriglyceridemia. Besides, exposure to 500 µg/kg/day of BPS significantly increased body weight gain and LDL-cholesterol levels. Hepatic proteins differentially expressed in BPA and BPS-exposed groups compared to the control group were mostly related to lipid metabolism and synthesis, with upregulation of glucokinase activity-related sequence 1 (1.8-fold in BPA and 2.4-fold in BPS), which is involved in glycerol triglycerides synthesis, and hydroxymethylglutaryl-CoA synthase cytoplasmic (2-fold in BPS), an enzyme involved in mevalonate biosynthesis. Essential mitochondrial proteins of the electron transport chain were upregulated after exposure to both contaminants. Also, BPA and BPS dysregulated expression of liver antioxidant enzymes, which are involved in cellular reactive oxygen species detoxification. Altogether, the results of the present study contribute to expand the scientific understanding of how BPA and BPS lead to the development of metabolic disorders and reinforce the risks associated with exposure to these contaminants.
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Affiliation(s)
- Lara Ferreira Azevedo
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil
| | - Maria Fernanda Hornos Carneiro
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil; Departamento de Farmacia, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Carlos Roberto Porto Dechandt
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil
| | | | - Luciane Carla Alberici
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil
| | - Fernando Barbosa
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil.
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Brulport A, Vaiman D, Chagnon MC, Le Corre L. Obesogen effect of bisphenol S alters mRNA expression and DNA methylation profiling in male mouse liver. CHEMOSPHERE 2020; 241:125092. [PMID: 31683443 DOI: 10.1016/j.chemosphere.2019.125092] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 09/30/2019] [Accepted: 10/09/2019] [Indexed: 06/10/2023]
Abstract
Environmental pollution is increasingly considered an important factor involved in the obesity incidence. Endocrine disruptors (EDs) are important actors in the concept of DOHaD (Developmental Origins of Health and Disease), where epigenetic mechanisms play crucial roles. Bisphenol A (BPA), a monomer used in the manufacture of plastics and resins is one of the most studied obesogenic endocrine disruptor. Bisphenol S (BPS), a BPA substitute, has the same obesogenic properties, acting at low doses with a sex-specific effect following perinatal exposure. Since the liver is a major organ in regulating body lipid homeostasis, we investigated gene expression and DNA methylation under low-dose BPS exposure. The BPS obesogenic effect was associated with an increase of hepatic triglyceride content. These physiological disturbances were accompanied by genome-wide changes in gene expression (1366 genes significantly modified more than 1.5-fold). Gene ontology analysis revealed alteration of gene cascades involved in protein translation and complement regulation. It was associated with hepatic DNA hypomethylation in autosomes and hypermethylation in sex chromosomes. Although no systematic correlation has been found between gene repression and hypermethylation, several genes related to liver metabolism were either hypermethylated (Acsl4, Gpr40, Cel, Pparδ, Abca6, Ces3a, Sgms2) or hypomethylated (Soga1, Gpihbp1, Nr1d2, Mlxipl, Rps6kb2, Esrrb, Thra, Cidec). In specific cases (Hapln4, ApoA4, Cidec, genes involved in lipid metabolism and liver fibrosis) mRNA upregulation was associated with hypomethylation. In conclusion, we show for the first time wide disruptive physiological effects of low-dose of BPS, which raises the question of its harmlessness as an industrial substitute for BPA.
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Affiliation(s)
- Axelle Brulport
- Université de Bourgogne Franche-Comté, LNC UMR1231, F-21000, Dijon, France; AgroSup, LNC UMR1231, F-21000, Dijon, France; Nutrition Physiology and Toxicology Team (NUTox), INSERM, LNC UMR1231, F-21000, Dijon, France
| | - Daniel Vaiman
- From Gametes to Birth Team (FGTB), INSERM, U1016, Institut Cochin, F-75014, Paris, France; CNRS UMR8104, F-75014, Paris, France; Université Sorbonne Paris Cité, F-75014, Paris, France
| | - Marie-Christine Chagnon
- Université de Bourgogne Franche-Comté, LNC UMR1231, F-21000, Dijon, France; AgroSup, LNC UMR1231, F-21000, Dijon, France; Nutrition Physiology and Toxicology Team (NUTox), INSERM, LNC UMR1231, F-21000, Dijon, France
| | - Ludovic Le Corre
- Université de Bourgogne Franche-Comté, LNC UMR1231, F-21000, Dijon, France; AgroSup, LNC UMR1231, F-21000, Dijon, France; Nutrition Physiology and Toxicology Team (NUTox), INSERM, LNC UMR1231, F-21000, Dijon, France.
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Azevedo LF, Porto Dechandt CR, Cristina de Souza Rocha C, Hornos Carneiro MF, Alberici LC, Barbosa F. Long-term exposure to bisphenol A or S promotes glucose intolerance and changes hepatic mitochondrial metabolism in male Wistar rats. Food Chem Toxicol 2019; 132:110694. [PMID: 31344369 DOI: 10.1016/j.fct.2019.110694] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 07/20/2019] [Accepted: 07/22/2019] [Indexed: 02/07/2023]
Abstract
The present study evaluates the effects of low-level long-term exposure to bisphenol A (BPA) and bisphenol S (BPS) on serum biochemical markers, glucose homeostasis, mitochondrial energy metabolism, biogenesis and dynamics, and redox status in livers of Wistar rats. While only the exposure to BPS induces a significant body mass gain after 21 weeks, both compounds alter serum lipid levels and lead to the development of glucose intolerance. Regarding mitochondrial metabolism, both bisphenols augment the electron entry by complex II relative to complex I in the mitochondrial respiratory chain (MRC), and reduce mitochondrial content; BPA reduces OXPHOS capacity and uncouples respiration (relative to maximal capacity of MRC) but promotes a significant increase in fatty acid oxidation. Either exposure to BPA or BPS leads to an increase in mitochondrial-derived reactive oxygen species, mainly at complex I. Additionally, BPA and BPS significantly upregulate the expression levels of dynamin-related protein 1 related to mitochondrial fission, while BPA downregulates the expression of proliferator-activated receptor gamma coactivator 1 alpha, a master regulator of mitochondrial biogenesis. In summary, our data shows that exposure to both compounds alters metabolic homeostasis and mitochondrial energy metabolism, providing new mechanisms by which BPA and BPS impair the mitochondrial metabolism.
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Affiliation(s)
- Lara Ferreira Azevedo
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil
| | - Carlos Roberto Porto Dechandt
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil
| | - Cecília Cristina de Souza Rocha
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil
| | - Maria Fernanda Hornos Carneiro
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil
| | - Luciane Carla Alberici
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil.
| | - Fernando Barbosa
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo-USP, Ribeirão Preto, Brazil.
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A scoping review of the health and toxicological activity of bisphenol A (BPA) structural analogues and functional alternatives. Toxicology 2019; 424:152235. [PMID: 31201879 DOI: 10.1016/j.tox.2019.06.006] [Citation(s) in RCA: 156] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/29/2019] [Accepted: 06/11/2019] [Indexed: 12/18/2022]
Abstract
Recent studies report widespread usage or exposure to a variety of chemicals with structural or functional similarity to bisphenol A (BPA), referred to as BPA analogues or derivatives. These have been detected in foodstuffs, house dust, environmental samples, human urine or blood, and consumer products. Compared to BPA, relatively little is known about potential toxicity of these compounds. This scoping review aimed to summarize the human, animal, and mechanistic toxicity data for 24 BPA analogues of emerging interest to research and regulatory communities. PubMed was searched from March 1, 2015 to January 5, 2019 and combined with the results obtained from literature searches conducted through March 23, 2015, in The National Toxicology Program's Research Report 4 (NTP RR-04), "Biological Activity of Bisphenol A (BPA) Structural Analogues and Functional Alternatives". Study details are presented in interactive displays using Tableau Public. In total, 5748 records were screened for inclusion. One hundred sixty seven studies were included from NTP RR-04 and 175 studies were included from the updated literature search through January 2019. In total, there are 22, 117, and 221 human epidemiological, experimental animal, or in vitro studies included. The most frequently studied BPA analogues are bisphenol S (BPS), bisphenol F (4,4-BPF), and bisphenol AF (BPAF). Notable changes in the literature since 2015 include the growing body of human epidemiological studies and in vivo studies conducted in zebrafish. Numerous new endpoints were also evaluated across all three evidence streams including diabetes, obesity, and oxidative stress. However, few studies have addressed endpoints such as neurodevelopmental outcomes or impacts on the developing mammary or prostate glands, which are known to be susceptible to disruption by BPA. Further, there remains a critical need for better exposure information in order to prioritize experimental studies. Moving forward, researchers should also ensure that full dose responses are performed for all main effects in order to support hazard and risk characterization efforts. The evidence gathered here suggests that hazard and risk characterizations should expand beyond BPA in order to consider BPA structural and functional analogues.
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Fábelová L, Loffredo CA, Klánová J, Hilscherová K, Horvat M, Tihányi J, Richterová D, Palkovičová Murínová Ľ, Wimmerová S, Sisto R, Moleti A, Trnovec T. Environmental ototoxicants, a potential new class of chemical stressors. ENVIRONMENTAL RESEARCH 2019; 171:378-394. [PMID: 30716515 DOI: 10.1016/j.envres.2019.01.042] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 01/24/2019] [Accepted: 01/25/2019] [Indexed: 05/28/2023]
Abstract
Hearing loss is an injury that can develop over time, and people may not even be aware of it until it becomes a severe disability. Ototoxicants are substances that may damage the inner ear by either affecting the structures in the ear itself or by affecting the nervous system. We have examined the possibility that ototoxicants may present a health hazard in association with environmental exposures, adding to existing knowledge of their proven hazards under medical therapeutic conditions or occupational activities. In addition to the already described human environmental ototoxicants, mainly organochlorines such as polychlorinated biphenyls (PCBs), polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs), dichlorodiphenyltrichloroethane (DDT), dichlorodiphenyldichloroethylene (DDE), hexachlorocyclohexane (HCH) and hexachlorobenzene (HCB), we have examined the ubiquitous chemical stressors phthalates, bisphenol A/S/F/, PFCs, flame retardants (FRs) and cadmium for potential ototoxic properties, both as single substances or as chemical mixtures. Our literature review confirmed that these chemicals may disturb thyroid hormones homeostasis, activate aryl hydrocarbon receptor (AhR), and induce oxidative stress, which in turn may initiate a chain of events resulting in impairment of cochlea and hearing loss. With regard to auditory plasticity, diagnostics of a mixture of effects of ototoxicants, potential interactions of chemical and physical agents with effects on hearing, parallel deterioration of hearing due to chemical exposures and ageing, metabolic diseases or obesity, even using specific methods as brainstem auditory evoked potentials (BAEP) or otoacoustic emissions (OAEs) registration, may be difficult, and establishment of concentration-response relationships problematic. This paper suggests the establishment of a class of environmental oxotoxicants next to the established classes of occupational and drug ototoxicants. This will help to properly manage risks associated with human exposure to chemical stressors with ototoxic properties and adequate regulatory measures.
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Affiliation(s)
- Lucia Fábelová
- Slovak Medical University, Faculty of Public Health, Department of Environmental Medicine, Limbova 12, 83303 Bratislava, Slovakia
| | - Christopher A Loffredo
- Lombardi Comprehensive Cancer Center, Georgetown University, Washington, D.C. 20057, USA
| | - Jana Klánová
- Masaryk University, Research Centre for Toxic Compounds in the Environment, RECETOX, Brno, Czech Republic
| | - Klára Hilscherová
- Masaryk University, Research Centre for Toxic Compounds in the Environment, RECETOX, Brno, Czech Republic
| | - Milena Horvat
- Jožef Stefan Institute, Department of Environmental Sciences, Ljubljana, Slovenia
| | - Juraj Tihányi
- Slovak Medical University, Faculty of Public Health, Department of Environmental Medicine, Limbova 12, 83303 Bratislava, Slovakia
| | - Denisa Richterová
- Slovak Medical University, Faculty of Public Health, Department of Environmental Medicine, Limbova 12, 83303 Bratislava, Slovakia
| | - Ľubica Palkovičová Murínová
- Slovak Medical University, Faculty of Public Health, Department of Environmental Medicine, Limbova 12, 83303 Bratislava, Slovakia
| | - Soňa Wimmerová
- Slovak Medical University, Faculty of Public Health, Department of Environmental Medicine, Limbova 12, 83303 Bratislava, Slovakia
| | - Renata Sisto
- INAIL, Research Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Monte Porzio Catone, Italy
| | - Arturo Moleti
- University of Roma, Tor Vergata, Department of Physics, Roma, Italy
| | - Tomáš Trnovec
- Slovak Medical University, Faculty of Public Health, Department of Environmental Medicine, Limbova 12, 83303 Bratislava, Slovakia.
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Meng Z, Tian S, Yan J, Jia M, Yan S, Li R, Zhang R, Zhu W, Zhou Z. Effects of perinatal exposure to BPA, BPF and BPAF on liver function in male mouse offspring involving in oxidative damage and metabolic disorder. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 247:935-943. [PMID: 30823348 DOI: 10.1016/j.envpol.2019.01.116] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/29/2019] [Accepted: 01/29/2019] [Indexed: 05/27/2023]
Abstract
Bisphenols (BPs) are common environmental pollutants that are ubiquitous in the natural environment and can affect human health. In this study, we explored the effects of perinatal exposure to BPA, BPF and BPAF on liver function involving in oxidative damage and metabolic disorders in male mouse offspring. We found that BPA exposure impairs the antioxidant defense system, increases lipid peroxidation, and causes oxidative damage in the liver. Furthermore, the levels of 13 metabolites were significantly altered following BPA exposure. We found that BPF exposure significantly increased the expression and activity of CAT, suggesting disturbances in the antioxidant defense system. Moreover, BPF exposure led to metabolic disorders in the liver due to changes in the levels of 8 key metabolites. Exposure to BPAF caused no negative effects on oxidative damage, but altered the levels of β-glucose and glycogen. In summary, perinatal exposure to BPA, BPF and BPAF differentially influence oxidative damage and metabolic disorders in the livers of male mouse offspring. The impact of early life exposure to BPs now warrants future investigations.
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Affiliation(s)
- Zhiyuan Meng
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Sinuo Tian
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Jin Yan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Ming Jia
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Sen Yan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Ruisheng Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Renke Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
| | - Wentao Zhu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China.
| | - Zhiqiang Zhou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, China
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31
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Huang W, Zhao C, Zhong H, Zhang S, Xia Y, Cai Z. Bisphenol S induced epigenetic and transcriptional changes in human breast cancer cell line MCF-7. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 246:697-703. [PMID: 30616060 DOI: 10.1016/j.envpol.2018.12.084] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 12/07/2018] [Accepted: 12/27/2018] [Indexed: 05/18/2023]
Abstract
In recent years, concerns about using Bisphenol A (BPA) in daily consume products and its effects in many chronic human diseases have prompted the removal of BPA. However, the widely used BPA alternatives, including Bisphenol S (BPS), have a high structural similarity with BPA, suggesting that they may have similar biological effects towards human beings. Indeed, BPS was also found to have endocrine-disrupting effects. Epigenetic mechanism was reported to be involved in BPA-induced biological effects in both in vitro and in vivo models. However, there is no assessment on whether BPS could cause epigenetic changes. In this work, we investigated the possible epigenetic effects of BPS that might induce in human breast cancer cell line MCF-7. We found that BPS could change DNA methylation level of transposons. Besides, methylation status in promoter of breast cancer related genes CDH1, SFN, TNFRSF10C were also changed, which implied that BPS might play a role in the development of breast cancer. Gene expression profiling showed that some genes related to breast cancer progression were upregulated, including THBS4, PPARGC1A, CREB5, COL5A3. Gene ontology (GO) analysis of the differentially expressed genes revealed the significantly changes in PI3K-Akt signaling pathway and extracellular matrix, which were related to the proliferation, migration and invasion of breast cancer cells. These results illustrated that BPS exposure might play roles in the progression of breast cancer.
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Affiliation(s)
- Wei Huang
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong SAR, PR China
| | - Chao Zhao
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong SAR, PR China
| | - Huan Zhong
- Department of Biology, Hong Kong Baptist University, Hong Kong SAR, PR China
| | - Shoudong Zhang
- Department of Biology, Hong Kong Baptist University, Hong Kong SAR, PR China
| | - Yiji Xia
- Department of Biology, Hong Kong Baptist University, Hong Kong SAR, PR China
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong SAR, PR China.
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32
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Raman spectroscopy of Bisphenol ‘S’ and its analogy with Bisphenol ‘A’ uncovered with a dimensionality reduction technique. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.08.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Ndaw S, Remy A, Denis F, Marsan P, Jargot D, Robert A. Occupational exposure of cashiers to bisphenol S via thermal paper. Toxicol Lett 2018; 298:106-111. [DOI: 10.1016/j.toxlet.2018.05.026] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 04/27/2018] [Accepted: 05/21/2018] [Indexed: 11/28/2022]
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