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Zhang J, Gu W, Zhai S, Liu Y, Yang C, Xiao L, Chen D. Phthalate metabolites and sex steroid hormones in relation to obesity in US adults: NHANES 2013-2016. Front Endocrinol (Lausanne) 2024; 15:1340664. [PMID: 38524635 PMCID: PMC10957739 DOI: 10.3389/fendo.2024.1340664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 02/19/2024] [Indexed: 03/26/2024] Open
Abstract
Background Obesity and metabolic syndrome pose significant health challenges in the United States (US), with connections to disruptions in sex hormone regulation. The increasing prevalence of obesity and metabolic syndrome might be associated with exposure to phthalates (PAEs). Further exploration of the impact of PAEs on obesity is crucial, particularly from a sex hormone perspective. Methods A total of 7780 adult participants in the National Health and Nutrition Examination Survey (NHANES) from 2013 to 2016 were included in the study. Principal component analysis (PCA) coupled with multinomial logistic regression was employed to elucidate the association between urinary PAEs metabolite concentrations and the likelihood of obesity. Weighted quartiles sum (WQS) regression was utilized to consolidate the impact of mixed PAEs exposure on sex hormone levels (total testosterone (TT), estradiol and sex hormone-binding globulin (SHBG)). We also delved into machine learning models to accurately discern obesity status and identify the key variables contributing most to these models. Results Principal Component 1 (PC1), characterized by mono(2-ethyl-5-carboxypentyl) phthalate (MECPP), mono(2-ethyl-5-hydroxyhexyl) phthalate (MEHHP), and mono(2-ethyl-5-oxohexyl) phthalate (MEOHP) as major contributors, exhibited a negative association with obesity. Conversely, PC2, with monocarboxyononyl phthalate (MCNP), monocarboxyoctyl phthalate (MCOP), and mono(3-carboxypropyl) phthalate (MCPP) as major contributors, showed a positive association with obesity. Mixed exposure to PAEs was associated with decreased TT levels and increased estradiol and SHBG. During the exploration of the interrelations among obesity, sex hormones, and PAEs, models based on Random Forest (RF) and eXtreme Gradient Boosting (XGBoost) algorithms demonstrated the best classification efficacy. In both models, sex hormones exhibited the highest variable importance, and certain phthalate metabolites made significant contributions to the model's performance. Conclusions Individuals with obesity exhibit lower levels of TT and SHBG, accompanied by elevated estradiol levels. Exposure to PAEs disrupts sex hormone levels, contributing to an increased risk of obesity in US adults. In the exploration of the interrelationships among these three factors, the RF and XGBoost algorithm models demonstrated superior performance, with sex hormones displaying higher variable importance.
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Affiliation(s)
- Jiechang Zhang
- Department of Cardiology, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Zhuhai, Guangdong, China
| | - Wen Gu
- Department of Biostatistics, School of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Shilei Zhai
- Department of Biostatistics, School of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Yumeng Liu
- Department of Biostatistics, School of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Chengcheng Yang
- Department of Ophthalmology, The Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, Guangdong, China
| | - Lishun Xiao
- Department of Biostatistics, School of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Center for Medical Statistics and Data Analysis, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Key Laboratory of Human Genetics and Environmental Medicine, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Ding Chen
- School of Medical Information and Engineering, Xuzhou Medical University, Xuzhou, Jiangsu, China
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Wang X, Wei J, Zhang X, Chen Q, Lakshmikandan M, Li M. Comparing the removal efficiency of diisobutyl phthalate by Bacillariophyta, Cyanophyta and Chlorophyta. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169507. [PMID: 38142000 DOI: 10.1016/j.scitotenv.2023.169507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/17/2023] [Accepted: 12/17/2023] [Indexed: 12/25/2023]
Abstract
The utilization of microalgae for both removing phthalate esters (PAEs) from wastewater and producing bioenergy has become a popular research topic. However, there is a lack of studies comparing the effectiveness of different types of microalgae in removing these harmful compounds. Therefore, the present study aimed to evaluate and compare the efficiency of various processes, such as hydrolysis, photolysis, adsorption, and biodegradation, in removing diisobutyl phthalate (DiBP) using six different species of microalgae. The study indicated that the average removal efficiency of DiBP (initial concentrations of 5, 0.5, and 0.05 mg L-1) by all six microalgae (initial cell density of 1 × 106 cells mL-1) was in the order of Scenedesmus obliquus (95.39 %) > Chlorella vulgaris (94.78 %) > Chroococcus sp. (91.16 %) > Cyclotella sp. (89.32 %) > Nitzschia sp. (88.38 %) > Nostoc sp. (84.33 %). The results of both hydrolysis and photolysis experiments revealed that the removal of DiBP had minimal impact, with respective removal efficiencies of only 0.89 % and 1.82 %. The adsorption efficiency of all six microalgae decreased significantly with increasing initial DiBP concentrations, while the biodegradation efficiency was elevated. Chlorella vulgaris and Chroococcus sp. demonstrated the highest adsorption and biodegradation efficiencies among the microalgae tested. Scenedesmus obliquus was chosen for the analysis of the degradation products of DiBP due to its exceptional ability to remove DiBP. The analysis yielded valuable results, identifying monoisobutyl phthalate (MiBP), phthalic acid (PA), and salicylic acid (SA) as the possible degradation products of DiBP. The possible degradation pathways mainly included dealkylation, the addition of hydroxyl groups, and decarboxylation. This study lays a theoretical foundation for the elimination of PAEs in the aquatic environment.
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Affiliation(s)
- Xiaoyu Wang
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Jianan Wei
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Xinyi Zhang
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Qiaoshen Chen
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Manogaran Lakshmikandan
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Ming Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, PR China.
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Mogus JP, Matouskova K, Clark ZW, Jerry DJ, Vandenberg LN. Effects of butyl benzyl phthalate exposure during pregnancy and lactation on the post-involution mammary gland. Reprod Toxicol 2023; 122:108470. [PMID: 37743007 DOI: 10.1016/j.reprotox.2023.108470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/17/2023] [Accepted: 09/04/2023] [Indexed: 09/26/2023]
Abstract
The mammary gland undergoes comprehensive reorganization during pregnancy, lactation, and subsequent involution. Following involution, the mammary gland has structural and functional differences compared to the gland of a nulliparous female. These parity-associated changes are regulated by hormones and may be vulnerable to endocrine-disrupting chemicals (EDCs). In this study, we evaluated the long-term effects of butyl benzyl phthalate (BBP), an estrogenic plasticizer, on the parous mouse mammary gland. Pregnant BALB/c mice were treated with 0, 3, 500, or 18000 µg/kg/day BBP throughout both pregnancy and the lactational period. The litters born to these females were evaluated for litter size and growth. The parous females were then kept for five weeks following weaning of the pups, during which period there was no exposure to BBP. After five weeks of post-weaning, mammary glands were collected and assessed for changes in histomorphology, steroid receptor expression, innate immune cell number, and gene expression. An unexposed age-matched nulliparous control was also evaluated as a comparator group. BBP increased male and female pup weight at puberty and female offspring in adulthood. BBP also altered innate immune cells in the post-involution mammary gland, reducing the effect of parity on macrophages. Lastly, BBP modestly increased mammary gland ductal complexity and periductal structure, but had no effect on expression of estrogen receptor, progesterone receptor, or a marker of proliferation. These results suggest that BBP may interfere with some effects of parity on the mouse mammary gland and induce weight gain in exposed offspring.
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Affiliation(s)
- Joshua P Mogus
- Department of Environmental Health Sciences, School of Public Health & Health Sciences, University of Massachusetts, Amherst, MA, USA
| | - Klara Matouskova
- Department of Environmental Health Sciences, School of Public Health & Health Sciences, University of Massachusetts, Amherst, MA, USA
| | - Zachary W Clark
- Department of Environmental Health Sciences, School of Public Health & Health Sciences, University of Massachusetts, Amherst, MA, USA
| | - D Joseph Jerry
- Department of Veterinary & Animal Sciences, University of Massachusetts, Amherst, MA, USA; Pioneer Valley Life Sciences Institute, Springfield, MA, USA
| | - Laura N Vandenberg
- Department of Environmental Health Sciences, School of Public Health & Health Sciences, University of Massachusetts, Amherst, MA, USA.
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Tan H, Gao P, Luo Y, Gou X, Xia P, Wang P, Yan L, Zhang S, Guo J, Zhang X, Yu H, Shi W. Are New Phthalate Ester Substitutes Safer than Traditional DBP and DiBP? Comparative Endocrine-Disrupting Analyses on Zebrafish Using In Vivo, Transcriptome, and In Silico Approaches. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:13744-13756. [PMID: 37677100 DOI: 10.1021/acs.est.3c03282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
Although previous studies have confirmed the association between phthalate esters (PAEs) exposure and endocrine disorders in humans, few studies to date have systematically assessed the threats of new PAE alternatives to endocrine disruptions. Herein, zebrafish embryos were continuously exposed to two PAEs [di-n-butyl phthalate (DBP) and diisobutyl phthalate (DiBP)], two structurally related alternatives [diiononyl phthalate (DINP) and diisononyl hexahydrophthalate (DINCH)], and two non-PAE substitutes [dipropylene glycol dibenzoate (DGD) and glyceryl triacetate (GTA)], and the endocrine-disrupting effects were investigated during the early stages (8-48 hpf). For five endogenous hormones, including progesterone, testosterone, 17β-estradiol, triiodothyronine (T3), and cortisol, the tested chemicals disturbed the contents of at least one hormone at environmentally relevant concentrations (≤3.9 μM), except DINCH and GTA. Then, the concentration-dependent reduced zebrafish transcriptome analysis was performed. Thyroid hormone (TH)- and androgen/estrogen-regulated adverse outcome pathways (AOPs) were the two types of biological pathways most sensitive to PAE exposure. Notably, six compounds disrupted four TH-mediated AOPs, from the inhibition of deiodinases (molecular initiating event, MIE), a decrease in T3 levels (key event, KE), to mortality (adverse outcome, AO) with the quantitatively linear relationships between MIE-KE (|r| = 0.96, p = 0.002), KE-AO (|r| = 0.88, p = 0.02), and MIE-AO (|r| = 0.89, p = 0.02). Multiple structural analyses showed that benzoic acid is the critical toxicogenic fragment. Our data will facilitate the screening and development of green alternatives.
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Affiliation(s)
- Haoyue Tan
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing 210023, Jiangsu, China
| | - Pan Gao
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Yiwen Luo
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Xiao Gou
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Pu Xia
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Pingping Wang
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Lu Yan
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Shaoqing Zhang
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
| | - Jing Guo
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing 210023, Jiangsu, China
| | - Xiaowei Zhang
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing 210023, Jiangsu, China
| | - Hongxia Yu
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing 210023, Jiangsu, China
| | - Wei Shi
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210023, Jiangsu, China
- Jiangsu Province Ecology and Environment Protection Key Laboratory of Chemical Safety and Health Risk, Nanjing 210023, Jiangsu, China
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Sellinger EP, Brinks AS, Javeri RR, Theurer SL, Wang R, Juraska JM. Region- and age-specific effects of perinatal phthalate exposure on developmental cell death and adult anatomy of dorsal and ventral hippocampus and associated cognitive behaviors. Neurotoxicol Teratol 2023; 99:107288. [PMID: 37595675 PMCID: PMC10530334 DOI: 10.1016/j.ntt.2023.107288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 08/01/2023] [Accepted: 08/10/2023] [Indexed: 08/20/2023]
Abstract
Humans are exposed to phthalates, a class of endocrine-disrupting chemicals used in food packaging/processing, PVC plastics, and personal care products. Gestational exposure may lead to adverse neurodevelopmental outcomes. In a rat model, perinatal exposure to an environmentally relevant mixture and dose of phthalates leads to increased developmental apoptosis in the medial prefrontal cortex (mPFC) and a subsequent reduction in neurons and in cognitive flexibility measured in adults of both sexes (Sellinger et al., 2021b; Kougias et al., 2018b). However, whether these effects generalize to other cognitive regions, like the hippocampus, is less well understood as existing studies used single phthalates at large doses, unrepresentative of human exposure. In the current study, patterns of naturally occurring cell death were first established in the dorsal and ventral hippocampal subfields (CA3 and CA1). Both dorsal and ventral CA3 reached high levels of cell death on P2 while levels in dorsal and ventral CA1 peaked on P5 in both sexes. Exposure to a phthalate mixture (0.2 and 1 mg/kg/day) throughout gestation through postnatal day 10 resulted in subtle age- and region-specific decreases in developmental cell death, however there were no significant changes in adult neuron number or associated behaviors: the Morris water maze and social recognition. Therefore, perinatal exposure to a low dose mixture of phthalates does not result in the dramatic structural and behavioral changes seen with high doses of single phthalates. This study also adds to our understanding of the distinct neurodevelopmental effects of phthalates on different brain regions.
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Affiliation(s)
- Elli P Sellinger
- Neuroscience Program, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL 61820, United States of America.
| | - Amara S Brinks
- Neuroscience Program, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL 61820, United States of America.
| | - Rajvi R Javeri
- Department of Psychology, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL 61820, United States of America.
| | - Savannah L Theurer
- Department of Psychology, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL 61820, United States of America.
| | - Ruibin Wang
- Department of Psychology, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL 61820, United States of America.
| | - Janice M Juraska
- Neuroscience Program, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL 61820, United States of America; Department of Psychology, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL 61820, United States of America.
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Özel F, Stratmann M, Lindh C, Gennings C, Bornehag CG, Rüegg J. Prenatal exposure to phthalates and gender-specific play behavior at seven years of age in the SELMA study. ENVIRONMENT INTERNATIONAL 2023; 178:108029. [PMID: 37331180 DOI: 10.1016/j.envint.2023.108029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 05/31/2023] [Accepted: 06/08/2023] [Indexed: 06/20/2023]
Abstract
BACKGROUND A growing body of evidence shows that prenatal exposure to phthalates affects child development. Since many phthalates have been shown to alter endocrine signaling, they may influence reproductive development, neurodevelopment, and child behavior. Indeed, a few studies reported associations between prenatal phthalate exposure and gender-specific play behavior. However, evidence for this relationship is limited, and previous findings are based on single phthalates, while human exposure entails mixtures of chemicals. OBJECTIVE We aimed to investigate the associations between prenatal exposure to single phthalates, as well as a phthalate mixture, and gender-specific play behavior. METHODS A total of 715 mother-child pairs from the Swedish Environmental Longitudinal, Mother and Child, Asthma and Allergy (SELMA) study were included. In the median week 10 of pregnancy, phthalate metabolites were measured in urine. Gender-specific play behavior was measured with Preschool Activities Inventory at the age of seven years. Linear and weighted quantile sum regressions were used; data was stratified by sex. Models were adjusted for child and maternal age, maternal education, parental attitudes toward play behavior, and urinary creatinine concentration. RESULTS For boys, single compound analyses revealed negative associations of prenatal exposure to di-isononyl phthalate (DINP) concentrations with masculine (β = -1.44; 95% CI = -2.72, -0.16) and composite (β = -1.43; 95% CI = -2.72, -0.13) scores. Suggestive associations were also observed with a mixture approach identifying DINP as the main contributor of the association of decreased masculine play. Among girls, higher urinary concentrations of 2,4-methyl-7-oxyooctyl-oxycarbonyl-cyclohexane carboxylic acid (MOiNCH) was associated with decreased feminine (β = -1.59; 95% CI = -2.62, -0.57) and masculine scores (β = -1.22; 95% CI = -2.14, -0.29), whereas the mixture analyses did not yield conclusive results for girls. CONCLUSION Our findings suggest associations of prenatal exposure to DINP with decreased masculine play behavior in boys while the results for girls were not fully conclusive.
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Affiliation(s)
- Fatih Özel
- Department of Organismal Biology, Uppsala University, Uppsala, Sweden; Centre for Women's Mental Health during the Reproductive Lifespan - Womher, Uppsala University, Uppsala, Sweden; Department of Health Sciences, Karlstad University, Karlstad, Sweden.
| | - Marlene Stratmann
- Department of Health Sciences, Karlstad University, Karlstad, Sweden
| | - Christian Lindh
- Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
| | - Chris Gennings
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Carl-Gustaf Bornehag
- Department of Health Sciences, Karlstad University, Karlstad, Sweden; Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Joëlle Rüegg
- Department of Organismal Biology, Uppsala University, Uppsala, Sweden; Department of Health Sciences, Karlstad University, Karlstad, Sweden
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Wang M, Han S, Wu Y, Tang Y, Li J, Pan C, Han B. Spatiotemporal Dynamics of Phthalate Esters in Tea Plants Growing Different Geographical Environments and an Attempt on Their Risk Assessment. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:6434-6444. [PMID: 37058117 DOI: 10.1021/acs.jafc.2c08919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The phthalate esters (PAEs) have become ubiquitous pollutants. In the present work, we investigated their pollution on teas. Dimethyl phthalate (DMP), diethyl phthalate (DEP), diisobutyl phthalate (DiBP), di-n-butyl phthalate (DBP), and di-(2-ethyl) hexyl phthalate (DEHP) were detected in all fresh tea leaves with DBP being the major congener of PAEs in teas followed by DiBP and DEHP. Seasonal variation, spatial distribution difference, correlationship of environmental factors, and potential health risks of PAEs were analyzed. The PAEs content in one bud and two leaves was lower than that in upper mature leaves in tea plants. The PAEs content in fresh tea leaves was the lowest in spring, while it was high in autumn and winter. The correlation analysis results showed that PAEs had significantly negative correlation with ambient air temperature, while it was positively correlated with the air quality index. PAEs analysis of spring tea in Anhui and Zhejiang provinces further indicated that the factor of provincial regions had little impact on the PAEs pollution level in tea. By contrast, the different environmental areas significantly affected PAE pollution, especially the agricultural areas. The human daily intake-based (13 g/day) risk assessment indicated that both the carcinogenic and non-carcinogenic risks (1.76 × 10-7-6.12 × 10-7) of PAEs via tea consumption were acceptable, with the estrogen equivalence (1.60-6.29 ng E2/kg) being at a medium level. This study provides significant information for pollution control and risk assessment of PAEs in Chinese tea production.
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Affiliation(s)
- Mengxin Wang
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou 310018, China
| | - Shanjie Han
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou 310018, China
| | - Yiqi Wu
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou 310018, China
| | - Yanyan Tang
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou 310018, China
| | - Jie Li
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou 310018, China
| | - Cheng Pan
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou 310018, China
| | - Baoyu Han
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou 310018, China
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Wylie AC, Short SJ. Environmental Toxicants and the Developing Brain. Biol Psychiatry 2023; 93:921-933. [PMID: 36906498 DOI: 10.1016/j.biopsych.2023.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 01/05/2023] [Accepted: 01/11/2023] [Indexed: 01/19/2023]
Abstract
Early life represents the most rapid and foundational period of brain development and a time of vulnerability to environmental insults. Evidence indicates that greater exposure to ubiquitous toxicants like fine particulate matter (PM2.5), manganese, and many phthalates is associated with altered developmental, physical health, and mental health trajectories across the lifespan. Whereas animal models offer evidence of their mechanistic effects on neurological development, there is little research that evaluates how these environmental toxicants are associated with human neurodevelopment using neuroimaging measures in infant and pediatric populations. This review provides an overview of 3 environmental toxicants of interest in neurodevelopment that are prevalent worldwide in the air, soil, food, water, and/or products of everyday life: fine particulate matter (PM2.5), manganese, and phthalates. We summarize mechanistic evidence from animal models for their roles in neurodevelopment, highlight prior research that has examined these toxicants with pediatric developmental and psychiatric outcomes, and provide a narrative review of the limited number of studies that have examined these toxicants using neuroimaging with pediatric populations. We conclude with a discussion of suggested directions that will move this field forward, including the incorporation of environmental toxicant assessment in large, longitudinal, multimodal neuroimaging studies; the use of multidimensional data analysis strategies; and the importance of studying the combined effects of environmental and psychosocial stressors and buffers on neurodevelopment. Collectively, these strategies will improve ecological validity and our understanding of how environmental toxicants affect long-term sequelae via alterations to brain structure and function.
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Affiliation(s)
- Amanda C Wylie
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Frank Porter Graham Child Development Institute, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Sarah J Short
- Department of Educational Psychology, University of Wisconsin-Madison, Madison, Wisconsin; Center for Health Minds, University of Wisconsin-Madison, Madison, Wisconsin.
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Akkam Y, Omari D, Alhmoud H, Alajmi M, Akkam N, Aljarrah I. Assessment of Xenoestrogens in Jordanian Water System: Activity and Identification. TOXICS 2023; 11:63. [PMID: 36668789 PMCID: PMC9866086 DOI: 10.3390/toxics11010063] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
Sex hormone disruptors (xenoestrogens) are a global concern due to their potential toxicity. However, to date, there has been no study to investigate the presence of xenoestrogen pollutants in the Jordanian water system. Samples in triplicates were collected from six locations in Jordan, including dams, surface water, tap or faucet water, and filtered water (drinking water-local company). Xenoestrogens were then extracted and evaluated with a yeast estrogen screen utilizing Saccharomyces cerevisiae. Later, possible pollutants were mined using ultrahigh-performance liquid chromatography (UPLC) coupled with a Bruker impact II Q-TOF-MS. Possible hits were identified using MetaboScape software (4000 compounds), which includes pesticide, pharmaceutical pollutant, veterinary drug, and toxic compound databases and a special library of 75 possible xenoestrogens. The presence of xenoestrogens in vegetable samples collected from two different locations was also investigated. The total estrogen equivalents according to the YES system were 2.9 ± 1.2, 9.5 ± 5, 2.5 ± 1.5, 1.4 ± 0.9 ng/L for King Talal Dam, As-Samra Wastewater Treatment Plant, King Abdullah Canal, and tap water, respectively. In Almujeb Dam and drinking water, the estrogenic activity was below the detection limit. Numbers of identified xenoestrogens were: As-Samra Wastewater Treatment Plant 27 pollutants, King Talal Dam 20 pollutants, Almujeb Dam 10 pollutants, King Abdullah Canal 16 pollutants, Irbid tap water 32 pollutants, Amman tap water 30 pollutants, drinking water 3 pollutants, and vegetables 7 pollutants. However, a large number of compounds remained unknown. Xenoestrogen pollutants were detected in all tested samples, but the total estrogenic capacities were within the acceptable range. The major source of xenoestrogen pollutants was agricultural resources. Risk evaluations for low xenoestrogen activity should be taken into account, and thorough pesticide monitoring systems and regular inspections should also be established.
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Affiliation(s)
- Yazan Akkam
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Yarmouk University, Irbid 21163, Jordan
| | - Derar Omari
- Department of Pharmaceutical Technology and Pharmaceutics, Faculty of Pharmacy, Yarmouk University, Irbid 21163, Jordan
| | - Hassan Alhmoud
- Department of Pharmaceutical Technology and Pharmaceutics, Faculty of Pharmacy, Yarmouk University, Irbid 21163, Jordan
- Faculty of Pharmacy, Jerash University, Irbid 26110, Jordan
| | - Mohammad Alajmi
- Department of Law and Science Department, Kuwait International Law School, Doha 93151, Kuwait
| | - Nosaibah Akkam
- Department of Anatomy and Cell Biology, Faculty of Medicine, Universität des Saarlandes, 66424 Hamburg, Germany
| | - Islam Aljarrah
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Yarmouk University, Irbid 21163, Jordan
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Chen Y, Yang J, Yao B, Zhi D, Luo L, Zhou Y. Endocrine disrupting chemicals in the environment: Environmental sources, biological effects, remediation techniques, and perspective. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 310:119918. [PMID: 35952990 DOI: 10.1016/j.envpol.2022.119918] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/06/2022] [Accepted: 08/03/2022] [Indexed: 06/15/2023]
Abstract
Endocrine disrupting chemicals (EDCs) have been identified as emerging contaminants, which poses a great threat to human health and ecosystem. Pesticides, polycyclic aromatic hydrocarbons, dioxins, brominated flame retardants, steroid hormones and alkylphenols are representative of this type of contaminant, which are closely related to daily life. Unfortunately, many wastewater treatment plants (WWTPs) do not treat EDCs as targets in the normal treatment process, resulting in EDCs entering the environment. Few studies have systematically reviewed the related content of EDCs in terms of occurrence, harm and remediation. For this reason, in this article, the sources and exposure routes of common EDCs are systematically described. The existence of EDCs in the environment is mainly related to human activities (Wastewater discharges and industrial activities). The common hazards of these EDCs are clarified based on available toxicological data. At the same time, the mechanism and effect of some mainstream EDCs remediation technologies (such as adsorption, advanced oxidation, membrane bioreactor, constructed wetland, etc.) are separately mentioned. Moreover, our perspectives are provided for further research of EDCs.
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Affiliation(s)
- Yuxin Chen
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China
| | - Jian Yang
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China
| | - Bin Yao
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China
| | - Dan Zhi
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China
| | - Lin Luo
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China
| | - Yaoyu Zhou
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China.
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11
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Mukherjee Das A, Gogia A, Garg M, Elaiyaraja A, Arambam P, Mathur S, Babu-Rajendran R, Deo SVS, Kumar L, Das BC, Janardhanan R. Urinary concentration of endocrine-disrupting phthalates and breast cancer risk in Indian women: A case-control study with a focus on mutations in phthalate-responsive genes. Cancer Epidemiol 2022; 79:102188. [PMID: 35688051 DOI: 10.1016/j.canep.2022.102188] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 05/09/2022] [Accepted: 05/10/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Phthalates are known endocrine-disrupting chemicals used indiscriminately as constituents in consumer products including food processing, and packaging, cosmetics, personal care and household items. Although, few studies have assessed the risk of breast cancer on exposure to phthalates, their association with breast cancer risk in Indian women have not yet been evaluated. METHODS We conducted a case-control study involving 171 participants. Urinary concentrations of six phthalate dieters; DMP (Dimethyl phthalate), DEP (Diethyl phthalate), DBP (Dibutyl phthalate), BBP (benzyl butyl phthalate), DEHP (Di-2-ethyl-hexyl phthalate), DINOP (Di-n-octyl phthalate) were estimated by GC-MS and geometric means were calculated. Univariate and multivariable logistic regression was performed to assess breast cancer risk on exposure to phthalates. Genes responsive to phthalates were identified through literature search and matched with NGS data, and gene-enrichment analysis was performed. RESULTS Significant associations were observed between urinary phthalate concentrations and increased risk of breast cancer for di-butyl phthalate (OR=1.5, 95% CI; 1.06, 2.11, p = 0.002) and di-2-ethyl-hexyl phthalate (>median vs ≤ median; OR=2.97, 95% CI; 1.18, 7.47, p = 0.005) in multivariable analyses. We also found several phthalate-responsive gene mutations in paired breast tumor tissues, which include PTPRD (76.19%), AR (42.86%), CYP1A1 (42.86%), CYP19A1 (23.81%), AHRR (19.05%), PIK3CA (19.05%), CYP1B1 (9.52%), RB1 (9.52%) and MMP9 (9.52%). Gene-enrichment analysis revealed that these genes form a major part of ER/PR, PPAR and HIF-1α-TGF-β signaling cascades involved in breast cancer CONCLUSION: Although the sample size is small, in this first case-control study from India, DBP and DEHP were found to be associated with increased risk of invasive breast cancer and tumor tissues revealed mutations in several phthalate-responsive genes. It is, therefore suggested that human biomonitoring in India and larger studies evaluating the early life genetic and epigenetic alterations on phthalates exposure are required to establish their role in breast carcinogenesis.
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Affiliation(s)
- Ankan Mukherjee Das
- Laboratory of Disease Dynamics and Molecular Epidemiology, Amity Institute of Public Health, Amity University Uttar Pradesh, Noida, India
| | - Ajay Gogia
- Department of Medical Oncology, Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India.
| | - Manoj Garg
- Stem Cell and Cancer Research Lab, Amity Institute of Molecular Medicine and Stem Cell Research, Amity University Uttar Pradesh, Noida, India
| | - Arun Elaiyaraja
- Ecotoxicology and Toxicogenomics Lab, Department of Environmental Biotechnology, Bharathidasan University, Tamil Nadu, India
| | - Priyadarshini Arambam
- Laboratory of Disease Dynamics and Molecular Epidemiology, Amity Institute of Public Health, Amity University Uttar Pradesh, Noida, India; Batra Hospital and Medical Research Centre, New Delhi, India
| | - Sandeep Mathur
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Ramaswamy Babu-Rajendran
- Ecotoxicology and Toxicogenomics Lab, Department of Environmental Biotechnology, Bharathidasan University, Tamil Nadu, India
| | - S V S Deo
- Department of Surgical Oncology, Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Lalit Kumar
- Department of Medical Oncology, Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Bhudev C Das
- Stem Cell and Cancer Research Lab, Amity Institute of Molecular Medicine and Stem Cell Research, Amity University Uttar Pradesh, Noida, India.
| | - Rajiv Janardhanan
- Laboratory of Disease Dynamics and Molecular Epidemiology, Amity Institute of Public Health, Amity University Uttar Pradesh, Noida, India.
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12
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England-Mason G, Merrill SM, Gladish N, Moore SR, Giesbrecht GF, Letourneau N, MacIsaac JL, MacDonald AM, Kinniburgh DW, Ponsonby AL, Saffery R, Martin JW, Kobor MS, Dewey D. Prenatal exposure to phthalates and peripheral blood and buccal epithelial DNA methylation in infants: An epigenome-wide association study. ENVIRONMENT INTERNATIONAL 2022; 163:107183. [PMID: 35325772 DOI: 10.1016/j.envint.2022.107183] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 02/16/2022] [Accepted: 03/09/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Prenatal exposure to phthalates has been associated with adverse health and neurodevelopmental outcomes. DNA methylation (DNAm) alterations may be a mechanism underlying these effects, but prior investigations of prenatal exposure to phthalates and neonatal DNAm profiles are limited to placental tissue and umbilical cord blood. OBJECTIVE Conduct an epigenome-wide association study (EWAS) of the associations between prenatal exposure to phthalates and DNAm in two accessible infant tissues, venous buffy coat blood and buccal epithelial cells (BECs). METHODS Participants included 152 maternal-infant pairs from the Alberta Pregnancy Outcomes and Nutrition (APrON) study. Maternal second trimester urine samples were analyzed for nine phthalate metabolites. Blood (n = 74) or BECs (n = 78) were collected from 3-month-old infants and profiled for DNAm using the Infinium HumanMethylation450 (450K) BeadChip. Robust linear regressions were used to investigate the associations between high (HMWPs) and low molecular weight phthalates (LMWPs) and change in methylation levels at variable Cytosine-phosphate-Guanine (CpG) sites in infant tissues, as well as the sensitivity of associations to potential confounders. RESULTS One candidate CpG in gene RNF39 reported by a previous study examining prenatal exposure to phthalates and cord blood DNAm was replicated. The EWAS identified 12 high-confidence CpGs in blood and another 12 in BECs associated with HMWPs and/or LMWPs. Prenatal exposure to bisphenol A (BPA) associated with two of the CpGs associated with HMWPs in BECs. DISCUSSION Prenatal exposure to phthalates was associated with DNAm variation at CpGs annotated to genes associated with endocrine hormone activity (i.e., SLCO4A1, TPO), immune pathways and DNA damage (i.e., RASGEF1B, KAZN, HLA-A, MYO18A, DIP2C, C1or109), and neurodevelopment (i.e., AMPH, NOTCH3, DNAJC5). Future studies that characterize the stability of these associations in larger samples, multiple cohorts, across tissues, and investigate the potential associations between these biomarkers and relevant health and neurodevelopmental outcomes are needed.
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Affiliation(s)
- Gillian England-Mason
- Department of Paediatrics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Owerko Centre, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada
| | - Sarah M Merrill
- Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada; Centre for Molecular Medicine and Therapeutics, Vancouver, British Columbia, Canada
| | - Nicole Gladish
- Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada; Centre for Molecular Medicine and Therapeutics, Vancouver, British Columbia, Canada
| | - Sarah R Moore
- Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada; Centre for Molecular Medicine and Therapeutics, Vancouver, British Columbia, Canada
| | - Gerald F Giesbrecht
- Department of Paediatrics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Owerko Centre, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada; Department of Psychology, Faculty of Arts, University of Calgary, Calgary, Alberta, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Nicole Letourneau
- Department of Paediatrics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Owerko Centre, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Faculty of Nursing, University of Calgary, Calgary, Alberta, Canada; Department of Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Hotchkiss Brain Institute, Calgary, Alberta, Canada
| | - Julia L MacIsaac
- Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada; Centre for Molecular Medicine and Therapeutics, Vancouver, British Columbia, Canada
| | - Amy M MacDonald
- Alberta Centre for Toxicology, University of Calgary, Calgary, Alberta, Canada
| | - David W Kinniburgh
- Alberta Centre for Toxicology, University of Calgary, Calgary, Alberta, Canada; Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Anne-Louise Ponsonby
- Murdoch Children's Research Institute, Royal Children's Hospital, University of Melbourne, Melbourne, Victoria, Australia
| | - Richard Saffery
- Murdoch Children's Research Institute, Royal Children's Hospital, University of Melbourne, Melbourne, Victoria, Australia
| | - Jonathan W Martin
- Science for Life Laboratory, Department of Environmental Science, Stockholm University, Stockholm, Södermanland, Sweden
| | - Michael S Kobor
- Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada; Centre for Molecular Medicine and Therapeutics, Vancouver, British Columbia, Canada; Program in Child and Brain Development, CIFAR, Toronto, Ontario, Canada
| | - Deborah Dewey
- Department of Paediatrics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Owerko Centre, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Hotchkiss Brain Institute, Calgary, Alberta, Canada.
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13
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Balcı A, Özkemahlı G, Erkekoglu P, Zeybek D, Yersal N, Kocer-Gumusel B. Effects of prenatal and lactational bisphenol a and/or di(2-ethylhexyl) phthalate exposure on male reproductive system. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:902-915. [PMID: 32787440 DOI: 10.1080/09603123.2020.1805416] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 07/31/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol A (BPA) and phthalates are abundantly used endocrine disrupting chemicals (EDCs). The aim of this study was to evaluate the effects of single and combined exposures to BPA and/or di(2-ethylhexyl) phthalate (DEHP) in prenatal and lactational period on rat male reproductive system in later stages of life. Pregnant Sprague-Dawley rats were divided randomly to four groups (n = 3/group): Control (corn oil); DEHP (30 mg/kg/day); BPA (50 mg/kg/day); and BPA+ DEHP (30 mg/kg/day DEHP and 50 mg/kg/day BPA). Groups exposed to EDCs through 6-21 gestational days and lactation period by intragastric lavage. Male offspring (n = 6/group) from each mother were fed till adulthood and were then euthanized. Later, reproductive hormones, sperm parameters, and oxidative stress parameters were determined. In conclusion, we can suggest that prenatal and lactational exposure to BPA and DEHP may cause adverse effects in male reproductive system in later stages of life especially after combined exposure.
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Affiliation(s)
- Aylin Balcı
- Faculty of Pharmacy, Department of Pharmaceutical Toxicology, Hacettepe University, Ankara, Turkey
| | - Gizem Özkemahlı
- Faculty of Pharmacy, Department of Pharmaceutical Toxicology, Hacettepe University, Ankara, Turkey
- Faculty of Pharmacy, Department of Toxicology, Erzincan Binali Yıldırım University, Erzincan, Turkey
| | - Pınar Erkekoglu
- Faculty of Pharmacy, Department of Pharmaceutical Toxicology, Hacettepe University, Ankara, Turkey
| | - Dilara Zeybek
- Faculty of Medicine, Department of Histology and Embryology, Hacettepe University, Ankara, Turkey
| | - Nilgün Yersal
- Faculty of Medicine, Department of Histology and Embryology, Hacettepe University, Ankara, Turkey
| | - Belma Kocer-Gumusel
- Faculty of Pharmacy, Department of Pharmaceutical Toxicology, Lokman Hekim University, Ankara, Turkey
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14
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Chebbi M, Beltifa A, Alibi S, Di Bella G, Loturco V, Sire O, Ben Mansour H, Le Tilly V. Estrogenic hazards of short chain phthalates and bisphenols found in cosmetic products. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:252-263. [PMID: 32475154 DOI: 10.1080/09603123.2020.1749573] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 03/27/2020] [Indexed: 06/11/2023]
Abstract
For several years, environmental exogenous agents, called endocrine disruptors, are suspected to interfere with the essential functions of reproduction and development in many living organisms. In this study, endocrine disruptors including five phthalates and two bisphenols contents in finished products were assayed and their estrogenic activity were measured by using the Yeast Estrogen Screen system with respect to human and trout estrogen receptors hERα and rtERS. Independently of the estrogen receptor, only short-chain phthalates (DBP and BBP) and the two bisphenols exhibited an estrogenic activity. Besides, the risk of three end-products (agro-food, cosmetics, and pharmaceutical) was evaluated before and after forced aging. Only two cosmetics the face cream and the perfume presented a hazard which increases with aging. These results are consistent with the compounds identified by Gas chromatography-mass spectrometry. These findings confirmed that the YES system can be routinely used to evaluate the estrogenic hazards within finished products.
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Affiliation(s)
- Manel Chebbi
- IRDL UMR 6027, Université Bretagne Sud, 56000 Vannes, France
| | - Asma Beltifa
- Dipartimento di Scienze Biomediche, Odontoiatriche e delle ImmaginiMorfologiche e Funzionali. University of Messina, Italy
- Research Unit of Analysis and Process Applied to Environmental -APAE UR17ES32 Higher Institute of Applied Sciences and Technology Mahdia - University of Monastir Tunisia
| | - Sana Alibi
- Research Unit of Analysis and Process Applied to Environmental -APAE UR17ES32 Higher Institute of Applied Sciences and Technology Mahdia - University of Monastir Tunisia
| | - Giuseppa Di Bella
- Dipartimento di Scienze Biomediche, Odontoiatriche e delle ImmaginiMorfologiche e Funzionali. University of Messina, Italy
| | - Vincenzo Loturco
- Dipartimento di Scienze Biomediche, Odontoiatriche e delle ImmaginiMorfologiche e Funzionali. University of Messina, Italy
| | - Olivier Sire
- IRDL UMR 6027, Université Bretagne Sud, 56000 Vannes, France
| | - Hedi Ben Mansour
- Research Unit of Analysis and Process Applied to Environmental -APAE UR17ES32 Higher Institute of Applied Sciences and Technology Mahdia - University of Monastir Tunisia
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15
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Long SE, Kahn LG, Trasande L, Jacobson MH. Urinary phthalate metabolites and alternatives and serum sex steroid hormones among pre- and postmenopausal women from NHANES, 2013-16. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 769:144560. [PMID: 33493905 PMCID: PMC7969426 DOI: 10.1016/j.scitotenv.2020.144560] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 12/07/2020] [Accepted: 12/13/2020] [Indexed: 05/19/2023]
Abstract
BACKGROUND Exposure to phthalates is ubiquitous across the United States. While phthalates have anti-androgenic effects in men, there is little research on their potential impacts on sex hormone concentrations in women and that also take into account menopausal status. METHODS Cross-sectional data on urinary phthalate metabolites, serum sex hormones, and relevant covariates were obtained from the National Health and Nutrition Examination Survey 2013-14 and 2015-16. Women over the age of 20 who were not pregnant or breastfeeding and had not undergone oophorectomy were included (n = 698 premenopausal, n = 557 postmenopausal). Weighted multivariable linear and Tobit regression models stratified by menopausal status were fit with natural log-transformed phthalate concentrations and sex hormone outcomes adjusting for relevant covariates. RESULTS Phthalate metabolites were associated with differences in sex hormone concentrations among postmenopausal women only. Di-2-ethylhexyl phthalate (DEHP) was associated with lower serum estradiol and bioavailable testosterone concentrations. Specifically, a doubling of DEHP concentrations was associated with 5.9% (95% Confidence Interval (CI): 0.2%, 11.3%) lower estradiol and 6.2% (95% CI: 0.0%, 12.1%) lower bioavailable testosterone concentrations. In contrast, 1,2-cyclohexane dicarboxylic acid di-isononyl ester (DINCH) was associated with higher free testosterone, bioavailable testosterone, and free androgen index. Finally, di-2-ethylhexyl terephthalate (DEHTP) was associated with a higher testosterone-to-estradiol ratio. None of these results retained statistical significance when adjusted for multiple comparisons. CONCLUSIONS DEHP, DINCH, and DEHTP were associated with differences in serum sex hormone concentrations among postmenopausal women, highlighting the need for further research into the safety of these chemicals.
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Affiliation(s)
- Sara E Long
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA
| | - Linda G Kahn
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA
| | - Leonardo Trasande
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA; Departments of Population Health and Environmental Medicine, NYU Langone Medical Center, New York, NY, USA; NYU Wagner School of Public Service, New York, NY, USA; NYU College of Global Public Health, New York, NY, USA
| | - Melanie H Jacobson
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA.
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16
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Liwarska-Bizukojc E, Stevens CV, Delbeke EIP, Van Geem KM. Endocrine disrupting potency and toxicity of novel sophorolipid quaternary ammonium salts. ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:658-666. [PMID: 33730294 PMCID: PMC8060166 DOI: 10.1007/s10646-021-02378-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 02/23/2021] [Indexed: 06/12/2023]
Abstract
A new class of biosurfactants, namely quaternary ammonium sophorolipids (SQAS), suitable for pharmaceutical applications, was tested for the evaluation of their (anti)estrogenic and (anti)androgenic potency with the help of YES/YAS assays. Also their toxicity towards yeasts (Saccharomyces cerevisiae) and bacteria (Escherichia coli) was checked. The results achieved for SQAS, which can be regarded as potential micropollutants, were compared with those obtained for two well-known micropollutants diclofenac and 17α-ethinylestradiol subjected to the same testing procedures. This work demonstrated that acetylation of the hydroxyl group of the carbohydrate head of SQAS decreased the toxicity of this class of biosurfactants towards Saccharomyces cerevisiae. Furthermore, it contributed to the decrease of their endocrine disrupting potency. None of the SQAS studied showed clear agonist activity for female or male hormones. SQAS1 and SQAS2 revealed weak antiestrogenic and antiandrogenic potency. All of these properties were weaker, not only to the potency of the appropriate positive control in the antagonists bioassays, but also compared to the potency of other tested compounds, i.e. DCF and EE2. SQAS3 possessed most probably inhibitory activity towards male hormones. Moreover, cytotoxicity of two out of four studied SQAS at the highest concentrations towards the strains of Saccharomyces cerevisiae interfered with the endocrine disruption activity. It would be also worth studying it with the use of another endocrine activity test.
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Affiliation(s)
- Ewa Liwarska-Bizukojc
- Institute of Environmental Engineering and Building Installations, Lodz University of Technology, Al. Politechniki 6, 90-924, Lodz, Poland.
| | - Christian V Stevens
- Faculty of Bioscience Engineering, Department of Green Chemistry and Technology, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Elisabeth I P Delbeke
- Faculty of Bioscience Engineering, Department of Green Chemistry and Technology, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Kevin M Van Geem
- Faculty of Engineering and Architecture, Department of Materials, Textile and Chemical Engineering, Ghent University, Technologiepark 914, B-9052, Ghent-Zwijnaarde, Belgium
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17
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Engel SM, Patisaul HB, Brody C, Hauser R, Zota AR, Bennet DH, Swanson M, Whyatt RM. Neurotoxicity of Ortho-Phthalates: Recommendations for Critical Policy Reforms to Protect Brain Development in Children. Am J Public Health 2021; 111:687-695. [PMID: 33600256 PMCID: PMC7958063 DOI: 10.2105/ajph.2020.306014] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/15/2020] [Indexed: 11/04/2022]
Abstract
Robust data from longitudinal birth cohort studies and experimental studies of perinatally exposed animals indicate that exposure to ortho-phthalates can impair brain development and increase risks for learning, attention, and behavioral disorders in childhood. This growing body of evidence, along with known adverse effects on male reproductive tract development, calls for immediate action.Exposures are ubiquitous; the majority of people are exposed to multiple ortho-phthalates simultaneously. We thus recommend that a class approach be used in assessing health impacts as has been done with other chemical classes. We propose critically needed policy reforms to eliminate ortho-phthalates from products that lead to exposure of pregnant women, women of reproductive age, infants, and children. Specific attention should be focused on reducing exposures among socially vulnerable populations such as communities of color, who frequently experience higher exposures.Ortho-phthalates are used in a vast array of products and elimination will thus necessitate a multipronged regulatory approach at federal and state levels. The fact that manufacturers and retailers have already voluntarily removed ortho-phthalates from a wide range of products indicates that this goal is feasible.
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Affiliation(s)
- Stephanie M Engel
- Stephanie M. Engel is with the Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill. Heather B. Patisaul is with the Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh. Charlotte Brody is with Healthy Babies Bright Futures, Charlottesville, VA. Russ Hauser is with the Department of Environmental Health at the Harvard T. H. Chan School of Public Health, Boston, MA. Ami R. Zota is with the Department of Environmental and Occupational Health, George Washington University Milken School of Public Health, Washington, DC. Deborah H. Bennet is with the Department of Public Health Sciences, School of Medicine, University of California at Davis. Maureen Swanson is with The Arc of the United States, Washington, DC. Robin M. Whyatt is with the Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY
| | - Heather B Patisaul
- Stephanie M. Engel is with the Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill. Heather B. Patisaul is with the Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh. Charlotte Brody is with Healthy Babies Bright Futures, Charlottesville, VA. Russ Hauser is with the Department of Environmental Health at the Harvard T. H. Chan School of Public Health, Boston, MA. Ami R. Zota is with the Department of Environmental and Occupational Health, George Washington University Milken School of Public Health, Washington, DC. Deborah H. Bennet is with the Department of Public Health Sciences, School of Medicine, University of California at Davis. Maureen Swanson is with The Arc of the United States, Washington, DC. Robin M. Whyatt is with the Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY
| | - Charlotte Brody
- Stephanie M. Engel is with the Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill. Heather B. Patisaul is with the Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh. Charlotte Brody is with Healthy Babies Bright Futures, Charlottesville, VA. Russ Hauser is with the Department of Environmental Health at the Harvard T. H. Chan School of Public Health, Boston, MA. Ami R. Zota is with the Department of Environmental and Occupational Health, George Washington University Milken School of Public Health, Washington, DC. Deborah H. Bennet is with the Department of Public Health Sciences, School of Medicine, University of California at Davis. Maureen Swanson is with The Arc of the United States, Washington, DC. Robin M. Whyatt is with the Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY
| | - Russ Hauser
- Stephanie M. Engel is with the Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill. Heather B. Patisaul is with the Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh. Charlotte Brody is with Healthy Babies Bright Futures, Charlottesville, VA. Russ Hauser is with the Department of Environmental Health at the Harvard T. H. Chan School of Public Health, Boston, MA. Ami R. Zota is with the Department of Environmental and Occupational Health, George Washington University Milken School of Public Health, Washington, DC. Deborah H. Bennet is with the Department of Public Health Sciences, School of Medicine, University of California at Davis. Maureen Swanson is with The Arc of the United States, Washington, DC. Robin M. Whyatt is with the Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY
| | - Ami R Zota
- Stephanie M. Engel is with the Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill. Heather B. Patisaul is with the Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh. Charlotte Brody is with Healthy Babies Bright Futures, Charlottesville, VA. Russ Hauser is with the Department of Environmental Health at the Harvard T. H. Chan School of Public Health, Boston, MA. Ami R. Zota is with the Department of Environmental and Occupational Health, George Washington University Milken School of Public Health, Washington, DC. Deborah H. Bennet is with the Department of Public Health Sciences, School of Medicine, University of California at Davis. Maureen Swanson is with The Arc of the United States, Washington, DC. Robin M. Whyatt is with the Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY
| | - Deborah H Bennet
- Stephanie M. Engel is with the Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill. Heather B. Patisaul is with the Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh. Charlotte Brody is with Healthy Babies Bright Futures, Charlottesville, VA. Russ Hauser is with the Department of Environmental Health at the Harvard T. H. Chan School of Public Health, Boston, MA. Ami R. Zota is with the Department of Environmental and Occupational Health, George Washington University Milken School of Public Health, Washington, DC. Deborah H. Bennet is with the Department of Public Health Sciences, School of Medicine, University of California at Davis. Maureen Swanson is with The Arc of the United States, Washington, DC. Robin M. Whyatt is with the Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY
| | - Maureen Swanson
- Stephanie M. Engel is with the Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill. Heather B. Patisaul is with the Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh. Charlotte Brody is with Healthy Babies Bright Futures, Charlottesville, VA. Russ Hauser is with the Department of Environmental Health at the Harvard T. H. Chan School of Public Health, Boston, MA. Ami R. Zota is with the Department of Environmental and Occupational Health, George Washington University Milken School of Public Health, Washington, DC. Deborah H. Bennet is with the Department of Public Health Sciences, School of Medicine, University of California at Davis. Maureen Swanson is with The Arc of the United States, Washington, DC. Robin M. Whyatt is with the Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY
| | - Robin M Whyatt
- Stephanie M. Engel is with the Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill. Heather B. Patisaul is with the Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh. Charlotte Brody is with Healthy Babies Bright Futures, Charlottesville, VA. Russ Hauser is with the Department of Environmental Health at the Harvard T. H. Chan School of Public Health, Boston, MA. Ami R. Zota is with the Department of Environmental and Occupational Health, George Washington University Milken School of Public Health, Washington, DC. Deborah H. Bennet is with the Department of Public Health Sciences, School of Medicine, University of California at Davis. Maureen Swanson is with The Arc of the United States, Washington, DC. Robin M. Whyatt is with the Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY
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Muerköster AP, Frederiksen H, Juul A, Andersson AM, Jensen RC, Glintborg D, Kyhl HB, Andersen MS, Timmermann CAG, Jensen TK. Maternal phthalate exposure associated with decreased testosterone/LH ratio in male offspring during mini-puberty. Odense Child Cohort. ENVIRONMENT INTERNATIONAL 2020; 144:106025. [PMID: 32798799 DOI: 10.1016/j.envint.2020.106025] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 06/27/2020] [Accepted: 07/30/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Phthalates are plastic softeners with anti-androgenic properties. Prenatal exposure has led to lower testosterone (T) levels and smaller testicles in adult rats. To our knowledge, no studies have examined associations between prenatal phthalate exposure and sex hormone concentrations in infants. OBJECTIVE To study associations between phthalate exposure in Danish pregnant women and T, luteinizing hormone (LH), follicle stimulating hormone (FSH), Δ4-androstenedione (adion), 17α-hydroxyprogesterone (17-OHP) dehydroepiandrosterone sulfate (DHEAS) concentrations in their infants (N = 479) during mini-puberty. METHODS Concentrations of 12 phthalate metabolites from six phthalate diesters were measured in urine samples collected from 2010 to 2012 from 479 pregnant women participating in the Odense Child Cohort at gestational week 28 (range 20.4-30.4). Serum T, LH, FSH, adion, 17-OHP, DHEAS, weight and height were measured approximately three months after expected date of birth. Associations between prenatal phthalate exposure and gonadotropin and androgen metabolite concentrations were estimated in boys and girls separately in adjusted linear regression models. RESULTS T concentration was lower in boys prenatally exposed to phthalates. Maternal urinary concentrations of summed mono-iso-butyl and mono-n-butyl phthalate (∑MBPi+n) and summed metabolites of di-iso-nonyl phthalate (∑DiNPm) were associated with lower T/LH ratio in male offspring and a dose-response association was found. FSH was 14% (95% CI: 1; 25) lower among male offspring from mothers exposed to ∑DiNPm in the highest compared to the lowest tertile. No association was found for girls. CONCLUSION Even in these low exposed children, we found a significant decrease in T/LH ratio during mini-puberty in boys prenatally exposed to phthalates, which may suggest impairment of Leydig cells. The children will be followed as they approach adrenarche and pubarche in order to assess if long-term adverse effects persist.
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Affiliation(s)
| | - Hanne Frederiksen
- Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark; International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark
| | - Anders Juul
- Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark; International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark
| | - Anna-Maria Andersson
- Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark; International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark
| | - Richard Christian Jensen
- Department of Environmental Medicine, University of Southern Denmark, Odense C, Denmark; Department of Endocrinology, Odense University Hospital, Odense C, Denmark
| | - Dorte Glintborg
- Department of Endocrinology, Odense University Hospital, Odense C, Denmark
| | - Henriette Boye Kyhl
- Odense Child Cohort, Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense C, Denmark; OPEN Patient Data Exploratorive Network (OPEN), University of Southern, Odense C, Denmark
| | | | | | - Tina Kold Jensen
- Department of Environmental Medicine, University of Southern Denmark, Odense C, Denmark; Odense Child Cohort, Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense C, Denmark; OPEN Patient Data Exploratorive Network (OPEN), University of Southern, Odense C, Denmark.
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Yang S, Arcanjo RB, Nowak RA. The effects of the phthalate DiNP on reproduction†. Biol Reprod 2020; 104:305-316. [PMID: 33125036 DOI: 10.1093/biolre/ioaa201] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/20/2020] [Accepted: 10/22/2020] [Indexed: 01/12/2023] Open
Abstract
Di-isononyl phthalate (DiNP) is a high molecular weight, general purpose, plasticizer used primarily in the manufacture of polymers and consumer products. It can be metabolized rapidly and does not bioaccumulate. The primary metabolite of DiNP is monoisononyl-phthalate (MiNP) and the secondary metabolites include three oxidative derivatives of DiNP, which have been identified mainly in urine: mono-oxoisononyl phthalate (MOINP or oxo-MiNP), mono-carboxyisooctyl phthalate (MCIOP, MCOP or cx-MiNP), and mono-hydroxyisononyl phthalate (MHINP or OH-MiNP). The secondary metabolites are very sensitive biomarkers of DiNP exposure while primary metabolites are not. As the usage of DiNP worldwide increases, studies evaluating its potential reproductive toxicity are becoming more prevalent in the literature. In studies on female animals, the researchers found that the exposure to DiNP appears to induce negative effects on ovarian function and fertility in animal models. Whether or not DiNP has direct effects on the uterus is still controversial, and the effects on human reproduction require much more research. Studies on males indicate that DiNP exposure has disruptive effects on male reproduction and fertility. Occupational studies also indicate that the exposure to DiNP might induce negative effects on male reproduction, but larger cohort studies are needed to confirm this. This review presents an overview of the literature regarding the reproductive effects of exposure to DiNP.
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Affiliation(s)
- Shuhong Yang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China.,Department of Animal Sciences, University of Illinois, Urbana, IL, USA
| | | | - Romana A Nowak
- Department of Animal Sciences, University of Illinois, Urbana, IL, USA
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Duan C, Fang Y, Sun J, Li Z, Wang Q, Bai J, Peng H, Liang J, Gao Z. Effects of fast food packaging plasticizers and their metabolites on steroid hormone synthesis in H295R cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 726:138500. [PMID: 32334352 DOI: 10.1016/j.scitotenv.2020.138500] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/30/2020] [Accepted: 04/04/2020] [Indexed: 06/11/2023]
Abstract
The health risks of exposure to plasticizers have received widespread attention, however, little is known about the effects of fast food packaging plasticizers on steroid hormone synthesis. In the present study, the types and migration of plasticizers in some commonly used fast-food packaging materials were detected by GC-MS, and the interference effects of these plasticizers and their metabolites on steroid hormone synthesis in the human body were evaluated by the H295R steroidogenesis assay. The GC-MS results showed that the main plasticizer compounds that migrated from fast food packaging into food were di(2-ethylhexyl) phthalate (DEHP), dibutyl phthalate (DBP) and bis(2-ethylhexyl) adipate (DEHA). Exposure to these chemicals (100-1000 μM) can significantly reduce the viability of H295R cells in a dose-response manner, and these plasticizers and their metabolites that migrated into oily foods at high temperatures (0.25-25 μM) could significantly increase the E2 level and reduce the T level in H295R cells. According to the qRT-PCR data, 0.25 to 25 μM mono(2-ethylhexyl) phthalate (MEHP) significantly upregulated the expression levels of 17β-HSD1 and CYP19A1, and downregulated those of CYP17A1, CYP11A1 and StAR. The Western blot results were consistent with those of qRT-PCR. In summary, these results indicated that even exposure to low concentrations (≤1 mg/l or 2.5 μM) of these chemicals and their metabolites can cause significant endocrine-disrupting effects.
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Affiliation(s)
- Chenhui Duan
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 30045, China; Tianjin Institute of Environmental and Operational Medicine, Key Laboratory of Risk Assessment and Control for Environment & Food Safety, Tianjin 300050, China
| | - Yanjun Fang
- Tianjin Institute of Environmental and Operational Medicine, Key Laboratory of Risk Assessment and Control for Environment & Food Safety, Tianjin 300050, China
| | - Jingran Sun
- Tianjin Institute of Environmental and Operational Medicine, Key Laboratory of Risk Assessment and Control for Environment & Food Safety, Tianjin 300050, China
| | - Zhenxin Li
- Tianjin Institute of Environmental and Operational Medicine, Key Laboratory of Risk Assessment and Control for Environment & Food Safety, Tianjin 300050, China
| | - Qiangqiang Wang
- Tianjin Institute of Environmental and Operational Medicine, Key Laboratory of Risk Assessment and Control for Environment & Food Safety, Tianjin 300050, China
| | - Jialei Bai
- Tianjin Institute of Environmental and Operational Medicine, Key Laboratory of Risk Assessment and Control for Environment & Food Safety, Tianjin 300050, China
| | - Hui Peng
- Tianjin Institute of Environmental and Operational Medicine, Key Laboratory of Risk Assessment and Control for Environment & Food Safety, Tianjin 300050, China
| | - Jun Liang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 30045, China.
| | - Zhixian Gao
- Tianjin Institute of Environmental and Operational Medicine, Key Laboratory of Risk Assessment and Control for Environment & Food Safety, Tianjin 300050, China.
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21
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The Interaction Test of Binary Mixtures of Endocrine-Disrupting Chemicals Using In Vitro Bioassays. J CHEM-NY 2020. [DOI: 10.1155/2020/9729015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Typical environmental endocrine-disrupting chemicals (EDCs) such as estradiol valerate (EV), diethylstilbestrol (DES), di-2-ethylhexyl phthalate (DEHP), mono-2-ethylhexyl phthalate (MEHP), and bisphenol A (BPA) have a strong reproductive and developmental toxicity at low concentrations. However, information on their joint toxicity is scarce. In this study, we evaluated the combined effects of EV and other four EDCs (DES, DEHP, MEHP, and BPA) on the human breast MCF-7 cells by detecting the cell proliferation, intracellular reactive oxygen species (ROS) levels, and estrogen receptor alpha (ERα) protein expression using equal concentration ratio method. The results showed that, after exposure for 24, 48, and 72 h, single EV, DES, and BPA can promote the proliferation of MCF-7 human breast cancer cells, and EV has the strongest effect in inducing cell proliferation. DEHP and MEHP cannot induce MCF-7 cell proliferation for all exposure time, while cell proliferation induced by EV was significantly attenuated by DES, BPA, DEHP, and MEHP when they mixed with EV. For intracellular ROS, single EV, BPA, DES, DEHP, and MEHP elevated intracellular ROS levels for different exposure time. Similar to the cell proliferation, DES and BPA decreased intracellular ROS levels induced by EV when they mixed with EV for 24 h. EV, DES, and BPA exposed alone or combined with EV upregulated the ERα protein expression. However, DEHP and MEHP exposed alone or combined with EV had no effect on ERα protein expression, indicating that DEHP or MEHP could attenuate ERα protein expression upregulated by EV. These results showed that the joint toxicity of binary mixtures of EV and other EDCs do not interact in a synergistic fashion in inducing cell proliferation, intracellular ROS levels, and ERα protein expression. These findings have important implications in the human risk assessments of EV mixed with other EDCs in the environment.
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Luo Q, Liu ZH, Yin H, Dang Z, Wu PX, Zhu NW, Lin Z, Liu Y. Global review of phthalates in edible oil: An emerging and nonnegligible exposure source to human. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 704:135369. [PMID: 31812395 DOI: 10.1016/j.scitotenv.2019.135369] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 10/28/2019] [Accepted: 11/01/2019] [Indexed: 05/20/2023]
Abstract
This work investigated the presence of seven major phthalates in nine different kinds of edible oils (i.e. olive, rapeseed, peanut, sesame, tea seed, corn, soybean, sunflower, and blended oil) and their potential impacts on human. The respective total average phthalates concentrations in the oils studied were found to be 6.01, 2.79, 2.63, 2.03, 1.73, 1.66, 1.57, 1.26, and 0.72 mg/kg. On the other hand, the seven main phthalates in the edible oils with the average concentration ranked from high to low were in order of DiNP, DEHP, DiDP, DBP, DiBP, DEP, and BBP, with 0.90, 0.81, 0.79, 0.71, 0.22, 0.17, and 0.10 mg/kg, respectively. The estimated maximum human daily intakes (EDI) of DEHP, DBP, DiBP, DiNP, BBP, DEP, and DiDP via edible oils were determined to be 552, 2996, 121, 356, 268, 66, and 563 μg/p/d, respectively. It was further revealed that the maximum human EDI of DEHP, DBP, BBP, and DiBP through consumption of edible oils were 2.92, 6.79, 1.24, and 1.06 times higher than those via bottled water. The calculated average estrogenic equivalence (EEQ) values of the seven major phthalates in edible oils fell into the range of 2.7-958.1 ng E2/L, which were 45-396 times of those in bottled water. With published works, the complete distributions of 15 phthalates in nine kinds of edible oils were established and assessed for the health risks based on EDI and EEQ. This work provided the first evidence that edible oil is a potential source of phthalates, thus the potential adverse estrogenic effects on human health should need to be assessed in a holistic manner.
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Affiliation(s)
- Qiong Luo
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, Guangdong, China
| | - Ze-Hua Liu
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, Guangdong, China; Key Lab Pollution Control & Ecosystem Restoration in Industry Cluster, Ministry of Education, Guangzhou 510006, Guangdong, China; Guangdong Environmental Protection Key Laboratory of Solid Waste Treatment and Recycling, Guangzhou 510006, Guangdong, China; Guangdong Provincial Engineering and Technology Research Center for Environment Risk Prevention and Emergency Disposal, South China University of Technology, Guangzhou 510006, Guangdong, China.
| | - Hua Yin
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, Guangdong, China
| | - Zhi Dang
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, Guangdong, China
| | - Ping-Xiao Wu
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, Guangdong, China
| | - Neng-Wu Zhu
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, Guangdong, China
| | - Zhang Lin
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, Guangdong, China; Guangdong Engineering and Technology Research Center for Environmental Nanomaterials, Guangzhou 510006, Guangdong, China
| | - Yu Liu
- Advanced Environmental Biotechnology Center, Nanyang Environment and Water Research Institute, Nanyang Technological University, CleanTech one, Singapore 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore
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23
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The association between gestational use of personal care products and neonatal urological abnormality at birth: The Japan Environment and Children's Study. Reprod Toxicol 2020; 93:83-88. [PMID: 31978451 DOI: 10.1016/j.reprotox.2020.01.005] [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: 04/22/2019] [Revised: 01/09/2020] [Accepted: 01/16/2020] [Indexed: 11/20/2022]
Abstract
Congenital anomalies of the kidney and urinary tract (CAKUT) include a broad group of birth defects. Exposure to endocrine disrupting chemicals (EDCs) is suspected to be one of the risk factors for CAKUT, and the use of personal care products (PCPs) is a source of EDC exposure. Therefore, this study aimed to investigate the relationship between CAKUT and the use of PCPs in a large birth cohort study. Data from 86,899 pregnant women included in the Japan Environment and Children's Study (JECS), an ongoing nationwide project, were analyzed. The prevalence of CAKUT in newborns was 0.25 % and almost 90 % of subjects used PCPs during mid-late pregnancy. No association was found between CAKUT and PCP use in a model adjusted for the following covariates: maternal age at delivery. The result was persistent after rigorous sensitivity analyses.
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Li Y, Xu H, Wang J, Ho SSH, He K, Shen Z, Ning Z, Sun J, Li L, Lei R, Zhang T, Lei Y, Yang L, Cao Y, Cao J. Personal exposure to PM 2.5-bound organic species from domestic solid fuel combustion in rural Guanzhong Basin, China: Characteristics and health implication. CHEMOSPHERE 2019; 227:53-62. [PMID: 30981970 DOI: 10.1016/j.chemosphere.2019.04.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 03/31/2019] [Accepted: 04/02/2019] [Indexed: 05/03/2023]
Abstract
Domestic solid fuels combustion produces a mass of fine particulate matter (PM2.5). PM2.5-bound organics, including polycyclic aromatic hydrocarbons (PAHs), oxygenated-PAHs (OPAHs), phthalate esters (PAEs) and hopanes, were quantified in indoor, outdoor and personal exposure samples collected in rural Guanzhong Basin, China. The average concentration of total quantified PAHs in personal exposure samples was 310 ± 443 ng m-3, 1.5 times of those of indoor (211 ± 120 ng m-3) and outdoor (189 ± 115 ng m-3). Similar observations were found for the OPAHs and PAEs, i.e., much higher concentrations were seen in personal exposure samples. Hopanes average personal exposure concentration (13 ± 9.7 ng m-3) was comparable to indoors (15 ± 9.7 ng m-3) and outdoors (13 ± 9.6 ng m-3). Among four common heating ways applied in Chinese dwelling, the highest exposure levels to PAHs, OPAHs and PAEs were found for indoor coal chunks stoves. Concentration under electric power was 1.2-4.5 folds lower than those with solid fuels in this study, proved to be the cleanest energy for the household heating. The exposures to PM2.5 on cell viabilities were also investigated. The largest reduction of 70% on cell viabilities was seen for indoor coal chunks stove housewives, indicating that the emissions from coal combustion had the greatest cytotoxic effects. The results evidenced that the heating ways in rural area could greatly impact on the housewife health in northwestern China. Advanced heating technology and protection should be conducted to reduce the personal exposures to PM2.5 from domestic solid fuel combustions.
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Affiliation(s)
- Yaqi Li
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Hongmei Xu
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, China; Key Lab of Aerosol Chemistry & Physics, SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China; Health Science Center, Xi'an Jiaotong University, Xi'an, China.
| | - Jinhui Wang
- NICU, Xi'an Children's Hospital, Xi'an, China
| | - Steven Sai Hang Ho
- Division of Atmospheric Sciences, Desert Research Institute, Reno, NV, United States
| | - Kailai He
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Zhenxing Shen
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Zhi Ning
- Division of Environment and Sustainability, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Jian Sun
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Lijuan Li
- Key Lab of Aerosol Chemistry & Physics, SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China
| | - Ronghui Lei
- Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Tian Zhang
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Yali Lei
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Liu Yang
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Yongxiao Cao
- Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Junji Cao
- Key Lab of Aerosol Chemistry & Physics, SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China
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Gore AC, Krishnan K, Reilly MP. Endocrine-disrupting chemicals: Effects on neuroendocrine systems and the neurobiology of social behavior. Horm Behav 2019; 111:7-22. [PMID: 30476496 PMCID: PMC6527472 DOI: 10.1016/j.yhbeh.2018.11.006] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 10/25/2018] [Accepted: 11/14/2018] [Indexed: 02/06/2023]
Abstract
A contribution to SBN/ICN special issue. Endocrine-disrupting chemicals (EDCs) are pervasive in the environment. They are found in plastics and plasticizers (bisphenol A (BPA) and phthalates), in industrial chemicals such as polychlorinated biphenyls (PCBs), and include some pesticides and fungicides such as vinclozolin. These chemicals act on hormone receptors and their downstream signaling pathways, and can interfere with hormone synthesis, metabolism, and actions. Because the developing brain is particularly sensitive to endogenous hormones, disruptions by EDCs can change neural circuits that form during periods of brain organization. Here, we review the evidence that EDCs affect developing hypothalamic neuroendocrine systems, and change behavioral outcomes in juvenile, adolescent, and adult life in exposed individuals, and even in their descendants. Our focus is on social, communicative and sociosexual behaviors, as how an individual behaves with a same- or opposite-sex conspecific determines that individual's ability to exist in a community, be selected as a mate, and reproduce successfully.
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Affiliation(s)
- Andrea C Gore
- Division of Pharmacology and Toxicology, The University of Texas at Austin, Austin, TX 78712, USA; Department of Psychology, The University of Texas at Austin, Austin, TX 78712, USA.
| | - Krittika Krishnan
- Department of Psychology, The University of Texas at Austin, Austin, TX 78712, USA
| | - Michael P Reilly
- Division of Pharmacology and Toxicology, The University of Texas at Austin, Austin, TX 78712, USA
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The Effects of Mono-(2-Ethylhexyl) Phthalate (MEHP) on Human Estrogen Receptor (hER) and Androgen Receptor (hAR) by YES/YAS In Vitro Assay. Molecules 2019; 24:molecules24081558. [PMID: 31010227 PMCID: PMC6515293 DOI: 10.3390/molecules24081558] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 04/19/2019] [Accepted: 04/19/2019] [Indexed: 11/16/2022] Open
Abstract
Endocrine active compounds with structural similarities to natural hormones such as 17β-estradiol (E2) and androgen are suspected to affect the human endocrine system by inducing hormone-dependent effects. This study aimed to detect the (anti-)estrogenic and (anti-)androgenic activities of mono-(2-ethylhexyl) phthalate (MEHP) by yeast estrogen/androgen bioassay (YES/YAS). In addition, the mechanism and uptake of MEHP to receptors during agonistic and antagonistic activities were investigated through the activation signal recovery test and chromatographic analysis using liquid chromatography and tandem mass spectrometry (LC-MS/MS). Estrogenic and androgenic activities of MEHP were not observed. However, MEHP exhibited anti-estrogenic (IC50 = 125 μM) and anti-androgenic effects (IC50 = 736 μM). It was confirmed that these inhibitory effects of MEHP were caused by receptor-mediated activity of the estrogen receptor and non-receptor-mediated activity of the androgen receptor in an activation signal recovery test. When IC50 concentrations of anti-estrogenic and androgenic activity of MEHP were exposed to yeast cells, the uptake concentration observed was 0.0562 ± 0.0252 μM and 0.143 ± 0.0486 μM by LC-MS/MS analysis.
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Singh G, Gollapalli R, Blinder A, Gallo F, Patel M. A case study demonstrating the migration of diethyl phthalate from an ancillary component to the drug product. J Pharm Biomed Anal 2019; 164:574-580. [PMID: 30466025 DOI: 10.1016/j.jpba.2018.11.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 11/11/2018] [Accepted: 11/12/2018] [Indexed: 10/27/2022]
Abstract
Phthalates are chemical compounds employed as plasticizers in the plastic industry and have been reported to migrate into drug products. The extent of their migration into the drug product depends upon various factors including the chemical nature of the migrant and the permeability of its packaging container. Migration of semi-volatile phthalates such as Diethyl phthalate (DEP) into drug products is often related to the primary and secondary packaging but due to its chemical nature, it could also migrate from an ancillary component. Therefore, it is not only important to screen the primary and secondary components, but also the ancillary materials that are used during the handling of drug products. In our study, we discovered an ancillary material (scotch tape) to be the source of DEP found in an ophthalmic drug product using orthogonal mass spectroscopy techniques (GC-MS and LC-MS). It is evident from our data that DEP migrated from the scotch tape into the drug product crossing the physical barriers provided by the primary (LDPE container closure system) and secondary packaging (carton and label). The tape was used as an ancillary material to wrap the packaged drug product units together for storage in the stability chamber. The primary and the secondary packaging of the drug product did not exhibit any traces of DEP. The aim of this report is to demonstrate how a chemical compound can migrate into the drug product from an ancillary source (which is not a part of its packaging) and adulterate a drug product. The impact of ancillary materials on drug products should be evaluated appropriately prior to their implementation.
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Affiliation(s)
- Gagandeep Singh
- Research and Development, Akorn Pharmaceuticals, 50 Lakeview Parkway, Suite 112, Vernon Hills, IL, 60061, USA.
| | - Ramarao Gollapalli
- Research and Development, Akorn Pharmaceuticals, 50 Lakeview Parkway, Suite 112, Vernon Hills, IL, 60061, USA
| | - Alejandro Blinder
- Research and Development, Akorn Pharmaceuticals, 50 Lakeview Parkway, Suite 112, Vernon Hills, IL, 60061, USA
| | - Felix Gallo
- Research and Development, Akorn Pharmaceuticals, 50 Lakeview Parkway, Suite 112, Vernon Hills, IL, 60061, USA
| | - Milan Patel
- Research and Development, Akorn Pharmaceuticals, 50 Lakeview Parkway, Suite 112, Vernon Hills, IL, 60061, USA
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Roszko M, Kamińska M, Szymczyk K, Piasecka-Jóźwiak K, Chabłowska B. Optimized yeast-based in vitro bioassay for determination of estrogenic and androgenic activity of hydroxylated / methoxylated metabolites of BDEs / CBs and related lipophilic organic pollutants. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2018; 53:692-706. [PMID: 29775424 DOI: 10.1080/03601234.2018.1474564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Accepted: 04/22/2018] [Indexed: 06/08/2023]
Abstract
Persistent organic pollutants (POPs) are known to show endocrine disrupting (ED) activity, including interactions with hormone receptors. The aim of this work was to develop a bioassay applicable for evaluation of ED potency of highly lipophilic metabolites of POPs. To that end, a yeast-based bio-assay protocol was used. Estrogenic / androgenic activity of some native brominated biphenyl ethers (BDEs) / chlorinated biphenyls (CBs), and their hydroxylated / methoxylated metabolites was assessed. Since data (including potency compared to reference native hormones) obtained using different protocols vary, the possibility that yeast transforms POPs into some more potent compounds was first checked; it seems that no such transformation is important from the test applicability standpoint. The developed method was sensitive with EC50 values 6.5*10-11 M and 4.5*10-9 M calculated for E2 and DHT, respectively. Both CBs and BDEs show weak estrogenic activity negatively correlated with the degree of their halogenation, but their metabolites are significantly more potent xenohormones. 4-OH-2,2',4',6'-TeCB was the most potent estrogen receptor (ER) agonist among all tested compounds; its activity was only 1,000 times lower than that of native E2.
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Affiliation(s)
- Marek Roszko
- a Department of Food Analysis , Institute of Agricultural and Food Biotechnology , Warsaw , Poland
| | - Marta Kamińska
- a Department of Food Analysis , Institute of Agricultural and Food Biotechnology , Warsaw , Poland
| | - Krystyna Szymczyk
- a Department of Food Analysis , Institute of Agricultural and Food Biotechnology , Warsaw , Poland
| | - Katarzyna Piasecka-Jóźwiak
- b Department of Fermentation Technology , Institute of Agricultural and Food Biotechnology , Warsaw , Poland
| | - Beata Chabłowska
- b Department of Fermentation Technology , Institute of Agricultural and Food Biotechnology , Warsaw , Poland
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Liao C, Liu W, Zhang J, Shi W, Wang X, Cai J, Zou Z, Lu R, Sun C, Wang H, Huang C, Zhao Z. Associations of urinary phthalate metabolites with residential characteristics, lifestyles, and dietary habits among young children in Shanghai, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 616-617:1288-1297. [PMID: 29122348 DOI: 10.1016/j.scitotenv.2017.10.189] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Revised: 10/18/2017] [Accepted: 10/18/2017] [Indexed: 06/07/2023]
Abstract
Exposure to household phthalates has been reported to have adverse effects on children's health. In this paper, we used phthalate metabolites in the first morning urine as indicators of household phthalate exposures and examined their associations with residential characteristics, lifestyles and dietary habits among young children. During 2013-2014, we collected morning urines from children aged 5-10years in Shanghai, China and obtained the related information about analyzed factors in this study by questionnaires. Urinary phthalate metabolites were analyzed by isotope dilution-high performance liquid chromatography (HPLC)-heated electrospray ionization source (HESI) coupled with a triple quadrupole mass spectrometry. ANOVA, the Mann-Whitney or Kruskai-Wallis rank tests, and multivariate linear regression analyses were used to examine the target associations. Ten metabolites of seven phthalates in 434 urine samples were analyzed. The detection rates of eight metabolites (MiBP, MnBP, MEHP, MECPP, MEHHP, MEOHP, MEP, and MMP) were >90%, except for MBzP (51.2%), and MCHP with <10.0% of detection rate was not included in analyses. By multivariate linear regression analyses, factors significantly associated with higher concentrations of metabolites included non-usage household air cleaners (MEP and MEHP), changing the child's pillowcase less than one time a week (DEHP metabolites), dusting furniture in the child's bedroom less than three times a week (MMP and MnBP), using more plastic toys (DEHP metabolites and MEP), often having soft drinks (DEHP metabolites) and candies (MiBP). Our results indicated that phthalate exposures were common among Shanghai children and residential characteristics had less significant associations with urinary phthalate metabolites compared with lifestyles and dietary habits. Using less plastic toys, having less candies and soft drinks, using household air cleaner, as well as frequently changing the child's pillowcase and dusting furniture in the child's bedroom could reduce phthalate exposures among children.
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Affiliation(s)
- Chenxi Liao
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Wei Liu
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China; Department of Building Science, Tsinghua University, Beijing, China
| | - Jialing Zhang
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Wenming Shi
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai, China
| | - Xueying Wang
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Jiao Cai
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China; School of Civil and Architectural Engineering, Yangtze Normal University, Chongqing, China
| | - Zhijun Zou
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Rongchun Lu
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Chanjuan Sun
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China
| | - Heng Wang
- Zhoushan Center for Disease Control and Prevention, Zhoushan, Zhejiang, China
| | - Chen Huang
- Department of Building Environment and Energy Engineering, School of Environment and Architecture, University of Shanghai for Science and Technology (USST), Shanghai, China.
| | - Zhuohui Zhao
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai, China; Key Lab of Public Health Safety of the Ministry of Education, Key Lab of Health Technology Assessment, National Health and Family Planning Commission of the People's Republic of China, Shanghai Key Laboratory of Meteorology and Health, Shanghai, China.
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