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Marumure J, Simbanegavi TT, Makuvara Z, Karidzagundi R, Alufasi R, Goredema M, Gufe C, Chaukura N, Halabowski D, Gwenzi W. Emerging organic contaminants in drinking water systems: Human intake, emerging health risks, and future research directions. CHEMOSPHERE 2024; 356:141699. [PMID: 38554874 DOI: 10.1016/j.chemosphere.2024.141699] [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: 11/03/2023] [Revised: 02/24/2024] [Accepted: 03/11/2024] [Indexed: 04/02/2024]
Abstract
Few earlier reviews on emerging organic contaminants (EOCs) in drinking water systems (DWS) focused on their detection, behaviour, removal and fate. Reviews on multiple exposure pathways, human intake estimates, and health risks including toxicokinetics, and toxicodynamics of EOCs in DWS are scarce. This review presents recent advances in human intake and health risks of EOCs in DWS. First, an overview of the evidence showing that DWS harbours a wide range of EOCs is presented. Multiple human exposure to EOCs occurs via ingestion of drinking water and beverages, inhalation and dermal pathways are discussed. A potential novel exposure may occur via the intravenous route in dialysis fluids. Analysis of global data on pharmaceutical pollution in rivers showed that the cumulative concentrations (μg L-1) of pharmaceuticals (mean ± standard error of the mean) were statistically more than two times significantly higher (p = 0.011) in South America (11.68 ± 5.29), Asia (9.97 ± 3.33), Africa (9.48 ± 2.81) and East Europe (8.09 ± 4.35) than in high-income regions (2.58 ± 0.48). Maximum cumulative concentrations of pharmaceuticals (μg L-1) decreased in the order; Asia (70.7) had the highest value followed by South America (68.8), Africa (51.3), East Europe (32.0) and high-income regions (17.1) had the least concentration. The corresponding human intake via ingestion of untreated river water was also significantly higher in low- and middle-income regions than in their high-income counterparts. For each region, the daily intake of pharmaceuticals was highest in infants, followed by children and then adults. A critique of the human health hazards, including toxicokinetics and toxicodynamics of EOCs is presented. Emerging health hazards of EOCs in DWS include; (1) long-term latent and intergenerational effects, (2) the interactive health effects of EOC mixtures, (3) the challenges of multifinality and equifinality, and (4) the Developmental Origins of Health and Disease hypothesis. Finally, research needs on human health hazards of EOCs in DWS are presented.
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Affiliation(s)
- Jerikias Marumure
- Department of Physics, Geography and Environmental Science, School of Natural Sciences, Great Zimbabwe University, Masvingo, Zimbabwe; Department of Life and Consumer Sciences, School of Agriculture and Life Sciences, College of Agriculture and Environmental Sciences, University of South Africa, South Africa
| | - Tinoziva T Simbanegavi
- Department of Soil Science and Environment, Faculty of Agriculture, Environment, and Food Systems, University of Zimbabwe, P. O. Box MP 167, Mount Pleasant, Harare, Zimbabwe
| | - Zakio Makuvara
- Department of Physics, Geography and Environmental Science, School of Natural Sciences, Great Zimbabwe University, Masvingo, Zimbabwe; Department of Life and Consumer Sciences, School of Agriculture and Life Sciences, College of Agriculture and Environmental Sciences, University of South Africa, South Africa
| | - Rangarirayi Karidzagundi
- Materials Development Unit, Zimbabwe Open University, P.O. Box MP1119 Mount Pleasant, Harare, Zimbabwe
| | - Richwell Alufasi
- Biological Sciences Department, Bindura University of Science Education, 741 Chimurenga Road, Off Trojan Road, P. Bag 1020, Bindura, Zimbabwe
| | - Marvelous Goredema
- Biological Sciences Department, Bindura University of Science Education, 741 Chimurenga Road, Off Trojan Road, P. Bag 1020, Bindura, Zimbabwe
| | - Claudious Gufe
- Department of Veterinary Technical Services, Central Veterinary Laboratories, Box CY55, 18A Borrowdale Road, Harare, Zimbabwe
| | - Nhamo Chaukura
- Department of Physical and Earth Sciences, Sol Plaatje University, Kimberley, 8301, South Africa
| | - Dariusz Halabowski
- University of Lodz, Faculty of Biology and Environmental Protection, Department of Ecology and Vertebrate Zoology, Lodz, Poland
| | - Willis Gwenzi
- Currently: Biosystems and Environmental Engineering Research Group, 380, New Adylin, Westgate, Harare, Zimbabwe; Formerly: Alexander von Humboldt Fellow & Guest/Visiting Professor, Grassland Science and Renewable Plant Resources, Faculty of Organic Agricultural Sciences, Universität Kassel, Steinstraße 19, D-37213, Witzenhausen, Germany; Formerly: Alexander von Humboldt Fellow and Guest Professor, Leibniz-Institut für Agrartechnik und Bioökonomie e.V. (ATB), Max-Eyth-Allee 100, D-14469 Potsdam, Germany.
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Nguyen TV, Trang PN, Kumar A. Understanding PFAS toxicity through cell culture metabolomics: Current applications and future perspectives. ENVIRONMENT INTERNATIONAL 2024; 186:108620. [PMID: 38579451 DOI: 10.1016/j.envint.2024.108620] [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: 02/15/2024] [Revised: 03/21/2024] [Accepted: 03/31/2024] [Indexed: 04/07/2024]
Abstract
Per- and polyfluoroalkyl substances (PFAS), ubiquitous environmental contaminants, pose significant challenges to ecosystems and human health. While cell cultures have emerged as new approach methodologies (NAMs) in ecotoxicity research, metabolomics is an emerging technique used to characterize the small-molecule metabolites present in cells and to understand their role in various biological processes. Integration of metabolomics with cell cultures, known as cell culture metabolomics, provides a novel and robust tool to unravel the complex molecular responses induced by PFAS exposure. In vitro testing also reduces reliance on animal testing, aligning with ethical and regulatory imperatives. The current review summarizes key findings from recent studies utilizing cell culture metabolomics to investigate PFAS toxicity, highlighting alterations in metabolic pathways, biomarker identification, and the potential linkages between metabolic perturbations. Additionally, the paper discusses different types of cell cultures and metabolomics methods used for studies of environmental contaminants and particularly PFAS. Future perspectives on the combination of metabolomics with other advanced technologies, such as single-cell metabolomics (SCM), imaging mass spectrometry (IMS), extracellular flux analysis (EFA), and multi-omics are also explored, which offers a holistic understanding of environmental contaminants. The synthesis of current knowledge and identification of research gaps provide a foundation for future investigations that aim to elucidate the complexities of PFAS-induced cellular responses and contribute to the development of effective strategies for mitigating their adverse effects on human health.
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Affiliation(s)
- Thao V Nguyen
- Environment, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Waite Campus, South Australia 5064, Australia; NTT Institute of High Technology, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, Ho Chi Minh City, Viet Nam.
| | - Phan Nguyen Trang
- Department of Food Technology, Institute of Food and Biotechnology, Can Tho University, Campus II, 3/2 Street, Ninh Kieu District, Can Tho, Viet Nam.
| | - Anu Kumar
- Environment, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Waite Campus, South Australia 5064, Australia.
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Hansen S, Xu S, Huber S, Alvarez MV, Odland JØ. Profile of per- and polyfluoroalkyl substances, source appointment, and determinants in Argentinean postpartum women. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:170096. [PMID: 38224894 DOI: 10.1016/j.scitotenv.2024.170096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 01/17/2024]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) are a group of synthetic chemicals with potential adverse health effects. Information concerning PFAS concentrations in relation to pregnancy is scarce in South America and non-existent in Argentina. AIM We aimed to investigate an extended maternal PFAS profile herein serum concentrations in a regional and global view, source appointment, and determinants in Argentinean women. METHODS A cross-sectional study with a sampling period from 2011 to 2012 included 689 women from Ushuaia and Salta in Argentina. Serum samples collected two days postpartum were analyzed by ultra-high pressure liquid chromatography coupled to electrospray negative ionisation tandem-quadrupole mass-spectrometry. Principal Component Analysis (PCA) following absolute principal component score-multiple linear regression (APCS-MLR) was used for PFAS source appointments. Determinants of PFAS were explored through a MLR approach. A review of previous studies within the same period was conducted to compare with present levels. RESULTS Argentinean PFAS concentrations were the lowest worldwide, with PFOS (0.74 ng/mL) and PFOA (0.11 ng/mL) as the dominant substances. Detection frequencies largely aligned with the compared studies, indicating the worldwide PFAS distribution considering the restrictions. The PCA revealed region-specific loading patterns of two component groups of PFAS, a mixture of replaced and legacy substances in Ushuaia and long-chain in Salta. This might relate to a mix of non-diet and diet exposure in Ushuaia and diet in Salta. Region, age, lactation, parity, household members, migration, bottled water, and freshwater fish were among the determinants of various PFAS. CONCLUSION This is the first study to monitor human PFAS exposure in Argentina. Maternal PFAS concentrations were the lowest observed worldwide in the same period. Exposure contributions are suggested to be affected by restrictions and substitutions. Given the limited population-based studies and the emergence of PFAS, it is essential to conduct further monitoring of PFAS in Argentina and South America.
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Affiliation(s)
- Solrunn Hansen
- Department of Health and Care Sciences, UiT The Arctic University of Norway, 9037 Tromsø, Norway.
| | - Shanshan Xu
- Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, 5009 Bergen, Norway.
| | - Sandra Huber
- Department of Laboratory Medicine, University Hospital of North Norway, 9038 Tromsø, Norway.
| | | | - Jon Øyvind Odland
- Department of Public Health and Nursing, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway; Department of General Hygiene I.M. Sechenov First Moscow State Medical University (Sechenov University), 119992 Moscow, Russia; School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0002, South Africa.
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Tan X, Shi Y, Ma CF, Chi Q, Yang YH, Zhang WX, Xiao HM, Wang X. Fluoro-functionalized plant biomass adsorbent: Preparation and application in extraction of trace perfluorinated compounds from environmental water samples. J Environ Sci (China) 2024; 137:703-715. [PMID: 37980053 DOI: 10.1016/j.jes.2023.03.023] [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: 01/03/2023] [Revised: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 11/20/2023]
Abstract
Perfluorinated compounds (PFCs) are toxic and widely present in the environment, and therefore effective adsorbents are required to remove PFCs from environmental water. In the present study, a new type of fluorinated biomass materials was synthesized via an ingenious fluorosilanization reaction. These adsorbents were applied for the adsorption of 13 typical PFCs, including perfluorocarboxylic acids (PFCAs) and perfluorosulfonic acids (PFSAs). By comparing their adsorption performance, Fluorinated cedar slag (FCS) was discovered to have the best absorption efficiency and enabled highly efficient enrichment of PFCs. The adsorption recovery of FCS with the investigated PFCs is greater than 90% under the optimal adsorption condition. Ascribed to the high affinity of F-F sorbent-sorbate interaction, FCS had good adsorption capacities of PFCs from aqueous solution, with the maximum adsorption capacity of 15.80 mg/g for PFOS and 10.71 mg/g for PFOA, respectively. Moreover, the adsorption time could be achieved in a short time (8 min). Using the FCS absorbent, an innovative FCS-solid phase extraction assisted with high performance liquid chromatography-electrospray-tandem mass spectrometry (FCS-SPE-HPLC-ESI-MS/MS) method was first developed to sensitively detect PFCs in the environmental water samples. The intra-day and inter-day recovery rates of the 13 compounds ranged from 90.7%-104.3%, with the RSD of 2.1%-4.7% (intra-day) and 2.5%-8.5% (inter-day), respectively. This research demonstrates the potential of the newly fluoro-functionalized plant biomass to adsorb PFCs from environmental water, with the advantages of high adsorption efficiencies, high anti-interference, easy operation and low economic cost.
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Affiliation(s)
- Xi Tan
- Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Yan Shi
- Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Chun-Feng Ma
- Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Quan Chi
- Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Yu-Hang Yang
- Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Wen-Xiang Zhang
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Hua-Ming Xiao
- Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China; Key Laboratory of Oilseeds Processing of Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Xian Wang
- Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China.
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Wang S, Wu J, Chen Z, Wu W, Lu L, Cheng Y, Li S, Chen L, Tan X, Yang L, Wang C, Song Y. DNA methylation reprogramming mediates transgenerational diabetogenic effect induced by early-life p,p'-DDE exposure. CHEMOSPHERE 2024; 349:140907. [PMID: 38092165 DOI: 10.1016/j.chemosphere.2023.140907] [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: 07/18/2023] [Revised: 11/18/2023] [Accepted: 12/03/2023] [Indexed: 12/19/2023]
Abstract
Increasing evidence shows that an adverse environment during the early fetal development can affect the epigenetic modifications on a wide range of diabetes-related genes, leading to an increased diabetic susceptibility in adulthood or even in subsequent generations. p,p'-Dichlorodiphenoxydichloroethylene (p,p'-DDE) is a break-down product of the pesticide dichlorodiphenyltrichloroethane (DDT). p,p'-DDE has been associated with various health concerns, such as diabetogenic effect. However, the precise molecular mechanism remains unclear. In this study, p,p'-DDE was given by gavage to pregnant rat dams from gestational day (GD) 8 to GD15 to generate male germline to investiagate the transgenerational effects. We found that early-life p,p'-DDE exposure increased the transgenerational diabetic susceptibility through male germline inheritance. In utero exposure to p,p'-DDE altered the sperm DNA methylome in F1 progeny, and a significant number of those differentially methylated genes could be inherited by F2 progeny. Furthermore, early-life p,p'-DDE exposure altered DNA methylation in glucose metabolic genes Gck and G6pc in sperm and the methylation modification were also found in liver of the next generation. Our study demonstrate that DNA methylation plays a critical role in mediating transgenerational diabetogenic effect induced by early-life p,p'-DDE exposure.
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Affiliation(s)
- Shuo Wang
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Jingjing Wu
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Zhong Chen
- Center for Genomics, Loma Linda University School of Medicine, 11021 Campus Street, Loma Linda, CA, 92350, USA
| | - Wei Wu
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Liping Lu
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Yuzhou Cheng
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Shuqi Li
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Liangjing Chen
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Xiaohua Tan
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Lei Yang
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Charles Wang
- Center for Genomics, Loma Linda University School of Medicine, 11021 Campus Street, Loma Linda, CA, 92350, USA
| | - Yang Song
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China.
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Hjazi A, Hsu CY, Al-Attar WM, Almajidi YQ, Hussien BM, Alzahrani AA, Kareem AK, Abdulhussien Alazbjee AA, Meng X. The association of exposure to polychlorinated biphenyls with lipid profile and liver enzymes in umbilical cord blood samples. CHEMOSPHERE 2024; 350:141096. [PMID: 38176591 DOI: 10.1016/j.chemosphere.2023.141096] [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: 08/28/2023] [Revised: 11/24/2023] [Accepted: 12/30/2023] [Indexed: 01/06/2024]
Abstract
Evidence on prenatal exposure to polychlorinated biphenyls (PCBs) and its effects on newborns and potential biological mechanisms is not well defined yet. Therefore, this study aimed to examine whether PCBs are associated with lipid profile and non-invasive markers of hepatocyte injuries in samples of blood obtained from the umbilical cord. This study included 450 mothers-newborn pairs. Umbilical levels of PCBs were measured using Gas Chromatography/Mass Spectrophotometry (GC/MS). Lipid profile including low-density lipoprotein (LDL-C), total cholesterol (TC), triglycerides (TG), and high-density lipoprotein (HDL-C), as well as liver enzymes i.e., alanine amino transferase (ALT), aspartate amino transferase (AST), γ-glutamyl-transferase (GGT) and alkaline phosphatase (ALP) were determined from umbilical cord blood samples. Quantile g-computation analysis was applied to evaluate the collective influence of PCBs on both lipid profiles and liver enzymes, along with the impact of lipid profiles on liver enzymes. Exposure to the mixture of PCBs was significantly associated with increases in ALP, AST, ALT, and GGT levels in cord blood samples, with increments of 90.38 U/L (95%CI: 65.08, 115.70, p < 0.01), 11.88 U/L (95%CI: 9.03, 14.74, p < 0.01), 2.19 U/L (95%CI:1.43, 2.94, p < 0.01), and 50.67 U/L (95%CI: 36.32, 65.03, p < 0.01), respectively. Additionally, combined PCBs exposure was correlated with significant increases in umbilical TG, TC, and LDL-C levels, with values of 3.97 mg/dL (95%CI: 0.86, 7.09, p = 0.01), 6.30 mg/dL (95%CI: 2.98, 9.61, p < 0.01), and 4.63 mg/dL (95%CI: 2.04, 7.23, p < 0.01) respectively. Exposure to the mixture of lipids was linked to elevated levels of AST and GGT in umbilical cord blood samples. Furthermore, a noteworthy mediating role of TC and LDL-C was observed in the association between total PCBs exposure and umbilical cord blood liver enzyme levels. Overall our findings suggested that higher levels of umbilical cord blood PCBs and lipid profile could affect liver function in newborns.
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Affiliation(s)
- Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
| | - Chou-Yi Hsu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | | | - Yasir Qasim Almajidi
- Lecturer Dr and Dean Assistant of Baghdad College of Medical Sciences-department of Pharmacy (pharmaceutics), Baghdad, Iraq
| | - Beneen M Hussien
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq; Medical Laboratory Technology Department, College of Medical Technology, the Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq; Medical Laboratory Technology Department, College of Medical Technology, the Islamic University of Babylon, Babylon, Iraq
| | | | - A K Kareem
- Biomedical Engineering Department, College of Engineering and Technologies, Al-Mustaqbal University, Hillah, Iraq
| | | | - Xuan Meng
- Hepatobiliary Surgery Department, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China; Hepatobiliary Surgery Department, Hebei Cancer Hospital, Chinese Academy of Medical Sciences, Langfang, Hebei, 065001, China; Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical College, Xuzhou, Jiangsu, 221002, China.
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Lu L, Cheng Y, Wu W, Wang L, Li S, Li Q, Chen L, Zhang J, Chen R, Tan X, Hong Y, Yang L, Song Y. Paternal p,p'-DDE exposure and pre-pubertal high-fat diet increases the susceptibility to fertility impairment and sperm Igf2 DMR2 hypo-methylation in male offspring. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 271:115999. [PMID: 38262096 DOI: 10.1016/j.ecoenv.2024.115999] [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: 10/11/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 01/25/2024]
Abstract
The hypothesis of paternal origins of health and disease (POHaD) indicates that paternal exposure to adverse environment could alter the epigenetic modification in germ line, increasing the disease susceptibility in offspring or even in subsequent generations. p,p'-Dichlorodiphenyldichloroethylene (p,p'-DDE) is an anti-androgenic chemical and male reproductive toxicant. Gestational p,p'-DDE exposure could impair reproductive development and fertility in male offspring. However, the effect of paternal p,p'-DDE exposure on fertility in male offspring remains uncovered. From postnatal day (PND) 35 to 119, male rats (F0) were given 10 mg/body weight (b.w.) p,p'-DDE or corn oil by gavage. Male rats were then mated with the control females to generate male offspring. On PND35, the male offspring were divided into 4 groups according whether to be given the high-fat diet (HF): corn oil treatment with control diet (C-C), p,p'-DDE treatment with control diet (DDE-C), corn oil treatment with high-fat diet (C-HF) or p,p'-DDE treatment with high-fat diet (DDE-HF) for 35 days. Our results indicated that paternal p,p'-DDE exposure did not affect the male fertility of male offspring directly, but decreased sperm quality and induced testicular apoptosis after the high-fat diet treatment. Further analysis demonstrated that paternal exposure to p,p'-DDE and pre-pubertal high-fat diet decreased sperm Igf2 DMR2 methylation and gene expression in male offspring. Hence, paternal exposure to p,p'-DDE and pre-pubertal high-fat diet increases the susceptibility to male fertility impairment and sperm Igf2 DMR2 hypo-methylation in male offspring, posing a significant implication in the disease etiology.
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Affiliation(s)
- Liping Lu
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Yuzhou Cheng
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Wei Wu
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Lijun Wang
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Shuqi Li
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Qianyu Li
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Liangjing Chen
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Jianyun Zhang
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Rong Chen
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Xiaohua Tan
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Yu Hong
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Lei Yang
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Yang Song
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China.
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Liu Y, Xie Y, Tian Y, Liao J, Fang D, Wang L, Zeng R, Xiong S, Liu X, Chen Q, Zhang Y, Yuan H, Li Q, Shen X, Zhou Y. Exposure levels and determinants of placental polybrominated diphenyl ethers in Chinese pregnant women. ENVIRONMENTAL RESEARCH 2024; 241:117615. [PMID: 37949289 DOI: 10.1016/j.envres.2023.117615] [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: 07/01/2023] [Revised: 10/21/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND Polybrominated diphenyl ethers (PBDEs) are a group of widely used chemicals and humans are exposed to them in their daily life. PBDEs exposure during pregnancy may have adverse effects on pregnant women and their fetuses. Nevertheless, limited information is available on the levels and determinants of PBDEs exposure in Chinese pregnant women. METHODS The internal exposure levels of eight PBDEs (BDE-28, 47, 99, 100, 153, 154, 183, and 209) in placental samples of 1280 pregnant women from Zunyi birth cohort were analyzed using gas chromatography tandem mass spectrometry. All PBDEs concentrations were lipid adjusted (ng/g lw). Determinants of exposure were assessed by multivariable logistic regression model. RESULTS Eight PBDE homologues were quantifiable in more than 70% of the samples. The highest median concentrations were found for BDE-209 (2.78 ng/g lw), followed by BDE-153 (1.00 ng/g lw) and BDE-183 (0.93 ng/g lw). The level of ΣPBDEs ranged from 0.90 to 308.78 ng/g lw, with a median concentration of 10.02 ng/g lw. Multivariate logistic regression analysis showed that maternal age older than 30 years old (OR: 1.59; 95% CI: 1.14, 2.23), pre-pregnancy obesity (1.51; 1.08, 2.10), home renovation within 2 years (1.43; 1.08, 1.91), spending more time outdoors during pregnancy (0.70; 0.55, 0.89), high consumption of fish/seafood (1.46; 1.13, 1.90) and eggs (1.44; 1.04, 2.00), male infant sex (1.69; 1.18, 2.42) were associated with PBDEs exposure. CONCLUSION The study population is generally exposed to PBDEs, of which BDE-209 is the dominant congener, indicating extensive application of products containing deca-BDE mixtures. Maternal age, pre-pregnancy BMI, home decoration, average outdoor time during pregnancy, fish, seafood, eggs consumption, and fetal sex were exposure-determinning factors. This study contributes to the knowledge on region-specific PBDEs contamination in pregnant women and related risk factors.
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Affiliation(s)
- Yijun Liu
- School of Public Health, Zunyi Medical University, Zunyi 563000, Guizhou, China; Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, China
| | - Yan Xie
- School of Public Health, Zunyi Medical University, Zunyi 563000, Guizhou, China; Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, China
| | - Yingkuan Tian
- People's Hospital of Xingyi City, Qianxinan, 562400, Guizhou, China
| | - Juan Liao
- Department of Obstetrics and Gynecology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Derong Fang
- Department of Obstetrics and Gynecology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Linglu Wang
- Department of Obstetrics and Gynecology, Second Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Rong Zeng
- School of Public Health, Zunyi Medical University, Zunyi 563000, Guizhou, China; Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, China
| | - Shimin Xiong
- School of Public Health, Zunyi Medical University, Zunyi 563000, Guizhou, China; Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, China
| | - Xingyan Liu
- School of Public Health, Zunyi Medical University, Zunyi 563000, Guizhou, China; Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, China
| | - Qing Chen
- School of Public Health, Zunyi Medical University, Zunyi 563000, Guizhou, China; Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, China
| | - Ya Zhang
- People's Hospital of Xishui County, Zunyi, 564600, Guizhou, China
| | - Hongyu Yuan
- People's Hospital of Xishui County, Zunyi, 564600, Guizhou, China
| | - Quan Li
- Department of Obstetrics and Gynecology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - XuBo Shen
- School of Public Health, Zunyi Medical University, Zunyi 563000, Guizhou, China; Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, China
| | - Yuanzhong Zhou
- School of Public Health, Zunyi Medical University, Zunyi 563000, Guizhou, China; Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, China.
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9
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Iribarne-Durán LM, Castillero-Rosales I, Peinado FM, Artacho-Cordón F, Molina-Molina JM, Medianero E, Nicolás-Delgado SI, Sánchez-Pinzón L, Núñez-Samudio V, Vela-Soria F, Olea N, Alvarado-González NE. Placental concentrations of xenoestrogenic organochlorine pesticides and polychlorinated biphenyls and assessment of their xenoestrogenicity in the PA-MAMI mother-child cohort. ENVIRONMENTAL RESEARCH 2024; 241:117622. [PMID: 37977273 DOI: 10.1016/j.envres.2023.117622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND Organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCB), they have contributed to the exposure of women to persistent organic pollutants (POPs). These compounds can cross the placental barrier and interfere with the hormonal system of newborns. AIM To determine concentrations of OCPs and PCBs and their xenoestrogenic activity in placentas of women from the PA-MAMI cohort of Panama. METHODS Thirty-nine placenta samples from women in the Azuero peninsula (Panama) were analyzed. Five OCPs [p-p'-dichlorodiphenyldichloroethylene (p-p'-DDE), beta-hexachlorohexane (β-HCH), γ-hexachlorohexane (lindane), hexachlorobenzene (HCB) and mirex] and three PCB congeners (PCB-138, PCB-153 and PCB-180) were quantified in placenta extracts. The xenoestrogenic activity of extracts was assessed with the E-Screen bioassay to estimate the total effective xenoestrogen burden (TEXB). RESULTS All placental samples were positive for at least three POP residues and >70% for at least six. The frequencies of quantified OCPs ranged from 100% for p,p'-DDE and HCB to 30.8% for β-HCH. The highest median concentration was for lindane (380.0 pg/g placenta), followed by p,p'-DDE (280.0 pg/g placenta), and HCB (90.0 pg/g placenta). Exposure to p,p'-DDE was associated with greater meat consumption, suggesting that animal fat is a major source of exposure to DDT metabolites. The frequency of detected PCBs ranged between 70 and 90%; the highest median concentration was for PCB 138 (17.0 pg/g placenta), followed by PCB 153 (16.0 pg/g placenta). All placentas were positive in the estrogenicity bioassay with a median TEXB-α of 0.91 pM Eeq/g of placenta. Exposure to lindane was positively associated with the xenoestrogenicity of TEXB- α, whereas this association was negative in the case of exposure to PCB 153. CONCLUSIONS To our best knowledge, this study contributes the first evidence on the presence of POPs and xenoestrogenic burden in placentas from Latin-American women. Given concerns about the consequences of prenatal exposure to these compounds on children's health, preventive measures are highly recommended to eliminate or minimize the risk of OCP exposure during pregnancy.
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Affiliation(s)
- L M Iribarne-Durán
- Instituto de Investigación Biosanitaria de Granada (ibs. GRANADA), E-18012, Granada, Spain.
| | | | - F M Peinado
- Instituto de Investigación Biosanitaria de Granada (ibs. GRANADA), E-18012, Granada, Spain
| | - F Artacho-Cordón
- Instituto de Investigación Biosanitaria de Granada (ibs. GRANADA), E-18012, Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), E- 28029, Madrid, Spain; Departamento de Radiología y Medicina Física, Universidad de Granada, E- 18016, Granada, Spain
| | - J M Molina-Molina
- Instituto de Investigación Biosanitaria de Granada (ibs. GRANADA), E-18012, Granada, Spain
| | - E Medianero
- Departamento de Ciencias Ambientales, Facultad de Ciencias Naturales, Exactas y Tecnología, Universidad de Panamá, Panama; Secretaria Nacional de Ciencia, Tecnología e Innovación (SENACYT), Panama
| | - S I Nicolás-Delgado
- Departamento de Ginecología y Obstetricia, Hospital Joaquín Pablo Franco Sayas, Ministerio de Salud, Los Santos, Panama
| | - L Sánchez-Pinzón
- Clínica de Cesación de Tabaco y Clínica del Empleado Local, Región de Salud de Azuero, Ministerio de Salud, Los Santos, Panama
| | - V Núñez-Samudio
- Departamento de Salud Pública, Sección de Epidemiología, Región de Salud de Herrera, Ministerio de Salud, Panama; Instituto de Ciencias Médicas, Las Tablas, Los Santos, Panama
| | - F Vela-Soria
- Instituto de Investigación Biosanitaria de Granada (ibs. GRANADA), E-18012, Granada, Spain
| | - N Olea
- Instituto de Investigación Biosanitaria de Granada (ibs. GRANADA), E-18012, Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), E- 28029, Madrid, Spain; Departamento de Radiología y Medicina Física, Universidad de Granada, E- 18016, Granada, Spain; Unidad de Medicina Nuclear, Hospital Universitario San Cecilio, E- 18016, Granada, Spain
| | - N E Alvarado-González
- Instituto Especializado de Análisis (IEA), Vicerrectoría de Investigación y Postgrado, Universidad de Panamá, Panama
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10
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Puche-Juarez M, Toledano JM, Moreno-Fernandez J, Gálvez-Ontiveros Y, Rivas A, Diaz-Castro J, Ochoa JJ. The Role of Endocrine Disrupting Chemicals in Gestation and Pregnancy Outcomes. Nutrients 2023; 15:4657. [PMID: 37960310 PMCID: PMC10648368 DOI: 10.3390/nu15214657] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 10/28/2023] [Accepted: 10/31/2023] [Indexed: 11/15/2023] Open
Abstract
Endocrine disrupting chemicals (EDCs) are exogenous substances widely disseminated both in the environment and in daily-life products which can interfere with the regulation and function of the endocrine system. These substances have gradually entered the food chain, being frequently found in human blood and urine samples. This becomes a particularly serious issue when they reach vulnerable populations such as pregnant women, whose hormones are more unstable and vulnerable to EDCs. The proper formation and activity of the placenta, and therefore embryonic development, may get seriously affected by the presence of these chemicals, augmenting the risk of several pregnancy complications, including intrauterine growth restriction, preterm birth, preeclampsia, and gestational diabetes mellitus, among others. Additionally, some of them also exert a detrimental impact on fertility, thus hindering the reproductive process from the beginning. In several cases, EDCs even induce cross-generational effects, inherited by future generations through epigenetic mechanisms. These are the reasons why a proper understanding of the reproductive and gestational alterations derived from these substances is needed, along with efforts to establish regulations and preventive measures in order to avoid exposition (especially during this particular stage of life).
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Affiliation(s)
- Maria Puche-Juarez
- Department of Physiology, Faculty of Pharmacy, Campus Universitario de Cartuja, University of Granada, 18071 Granada, Spain; (M.P.-J.); (J.J.O.)
- Institute of Nutrition and Food Technology “José Mataix Verdú”, University of Granada, 18071 Granada, Spain;
- Nutrition and Food Sciences Ph.D. Program, University of Granada, 18071 Granada, Spain
| | - Juan M. Toledano
- Department of Physiology, Faculty of Pharmacy, Campus Universitario de Cartuja, University of Granada, 18071 Granada, Spain; (M.P.-J.); (J.J.O.)
- Institute of Nutrition and Food Technology “José Mataix Verdú”, University of Granada, 18071 Granada, Spain;
- Nutrition and Food Sciences Ph.D. Program, University of Granada, 18071 Granada, Spain
| | - Jorge Moreno-Fernandez
- Department of Physiology, Faculty of Pharmacy, Campus Universitario de Cartuja, University of Granada, 18071 Granada, Spain; (M.P.-J.); (J.J.O.)
- Institute of Nutrition and Food Technology “José Mataix Verdú”, University of Granada, 18071 Granada, Spain;
- Instituto de Investigación Biosanitaria (IBS), 18016 Granada, Spain;
| | - Yolanda Gálvez-Ontiveros
- Institute of Nutrition and Food Technology “José Mataix Verdú”, University of Granada, 18071 Granada, Spain;
- Department of Nutrition and Food Science, University of Granada, 18071 Granada, Spain
| | - Ana Rivas
- Instituto de Investigación Biosanitaria (IBS), 18016 Granada, Spain;
- Department of Nutrition and Food Science, University of Granada, 18071 Granada, Spain
| | - Javier Diaz-Castro
- Department of Physiology, Faculty of Pharmacy, Campus Universitario de Cartuja, University of Granada, 18071 Granada, Spain; (M.P.-J.); (J.J.O.)
- Institute of Nutrition and Food Technology “José Mataix Verdú”, University of Granada, 18071 Granada, Spain;
- Instituto de Investigación Biosanitaria (IBS), 18016 Granada, Spain;
| | - Julio J. Ochoa
- Department of Physiology, Faculty of Pharmacy, Campus Universitario de Cartuja, University of Granada, 18071 Granada, Spain; (M.P.-J.); (J.J.O.)
- Institute of Nutrition and Food Technology “José Mataix Verdú”, University of Granada, 18071 Granada, Spain;
- Instituto de Investigación Biosanitaria (IBS), 18016 Granada, Spain;
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11
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Ferreira ALL, Freitas-Costa N, da Silva Rosa Freire S, Figueiredo ACC, Padilha M, Alves-Santos NH, Kac G. Association between persistent organic pollutants in human milk and the infant growth and development throughout the first year postpartum in a cohort from Rio de Janeiro, Brazil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:115050-115063. [PMID: 37878172 DOI: 10.1007/s11356-023-30316-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 10/03/2023] [Indexed: 10/26/2023]
Abstract
Persistent organic pollutants (POPs) are compounds that are recalcitrant and ubiquitous that bioaccumulate in human milk (HM) and can impact infant growth and development. We explore the association between POP concentration in HM at 2-50 days postpartum and infant growth and development trajectory throughout the first year of life. A cohort of 68 healthy adult Brazilian women and their infants were followed from 28 to 35 gestational weeks to 12 months postpartum. HM samples were collected between 2 and 50 days postpartum, and POP concentrations were analyzed using gas chromatography with mass spectrometry. Concentrations of POPs >limit of quantification (LOQ) were defined as presence, and concentrations ≤LOQ as an absence. Growth z-scores were analyzed according to WHO growth charts and infant development scores according to Age & Stages Questionnaires at 1 (n = 66), 6 (n = 50), and 12 months (n = 45). Linear mixed effects (LME) models were used to investigate the association of POPs in HM with infant growth and development. Benjamini-Hochberg (BH) correction for multiple testing was performed to reduce the false discovery ratio. P < 0.1 was considered for models with the interaction between POPs and time/sex. After BH correction, adjusted LME models with time interaction showed (1) a positive association between the presence of β hexachlorocyclohexane and an increase in head circumference-for-age z-score (β = 0.003, P = 0.095); (2) negative associations between total POPs (β = -0.000002, P = 0.10), total organochlorine pesticides (β = -0.000002, P = 0.10), and dichlorodiphenyldichloroethylene concentrations in HM (β = -0.000002, P = 0.10) and fine motor scores. No statistical difference between the sexes was observed. Postnatal exposure to organochlorine pesticides in HM shows a positive association with the trajectory of head circumference-for-age z-score and a negative association with the trajectories of fine motor skills scores. Future studies on POP variation in HM at different postpartum times and their effect on infant growth and development should be encouraged.
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Affiliation(s)
- Ana Lorena Lima Ferreira
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2o Andar, Sala 29, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Nathalia Freitas-Costa
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2o Andar, Sala 29, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Samary da Silva Rosa Freire
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2o Andar, Sala 29, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Amanda Caroline Cunha Figueiredo
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2o Andar, Sala 29, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
- Health Science Center, Serra dos Órgãos University Center, Avenida Alberto Tôrres, 111 - Alto, Rio de Janeiro, 25964-004, Teresópilis, Brazil
| | - Marina Padilha
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2o Andar, Sala 29, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Nadya Helena Alves-Santos
- Faculty of Collective Health, Institute for Health and Biological Studies, Federal University of South and Southeast of Pará, Rodovia BR-230 (Transamazônica), Loteamento Cidade Jardim, Avenida dos Ipês, s/n.o - Cidade Jardim, Maraba, PA, 68500-000, Brazil
| | - Gilberto Kac
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2o Andar, Sala 29, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil.
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12
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Pavlíková N, Šrámek J, Jaček M, Kovář J, Němcová V. Targets for pollutants in rat and human pancreatic beta-cells: The effect of prolonged exposure to sub-lethal concentrations of hexachlorocyclohexane isomers on the expression of function- and survival-related proteins. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 104:104299. [PMID: 37865351 DOI: 10.1016/j.etap.2023.104299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 10/12/2023] [Accepted: 10/17/2023] [Indexed: 10/23/2023]
Abstract
Decades after most countries banned hexachlorocyclohexane, HCH isomers still pollute the environment. Many studies described HCH as a pro-diabetic factor; nevertheless, the effect of HCH isomers on pancreatic beta-cells remains unexplored. This study investigated the effects of a one-month exposure to α-HCH, β-HCH, and γ-HCH on protein expression in human (NES2Y) and rat (INS1E) pancreatic beta-cell lines. α-HCH and γ-HCH increased proinsulin and insulin levels in INS1E cells, while β-HCH showed the opposite trend. α-HCH altered the expression of PKA, ATF3, and PLIN2. β-HCH affected the expression of GLUT1, GLUT2, PKA, ATF3, p-eIF2α, ATP-CL, and PLIN2. γ-HCH altered the expression of PKA, ATF3, PLIN2, PLIN5, and IDH1. From the tested proteins, PKA, ATF3, and PLIN-2 were the most sensitive to HCH exposure and have the potential to be used as biomarkers.
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Affiliation(s)
- Nela Pavlíková
- Departement of Biochemistry, Cell and Molecular Biology & Center for Research on Nutrition, Metabolism, and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic.
| | - Jan Šrámek
- Departement of Biochemistry, Cell and Molecular Biology & Center for Research on Nutrition, Metabolism, and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Martin Jaček
- Department of Hygiene, Third Faculty of Medicine, Charles University, Ruská 87, 100 00 Prague 10, Czech Republic
| | - Jan Kovář
- Departement of Biochemistry, Cell and Molecular Biology & Center for Research on Nutrition, Metabolism, and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Vlasta Němcová
- Departement of Biochemistry, Cell and Molecular Biology & Center for Research on Nutrition, Metabolism, and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
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13
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Contini T, Béranger R, Multigner L, Klánová J, Price EJ, David A. A Critical Review on the Opportunity to Use Placenta and Innovative Biomonitoring Methods to Characterize the Prenatal Chemical Exposome. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:15301-15313. [PMID: 37796725 DOI: 10.1021/acs.est.3c04845] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Adverse effects associated with chemical exposures during pregnancy include several developmental and reproductive disorders. However, considering the tens of thousands of chemicals present on the market, the effects of chemical mixtures on the developing fetus is still likely underestimated. In this critical review, we discuss the potential to apply innovative biomonitoring methods using high-resolution mass spectrometry (HRMS) on placenta to improve the monitoring of chemical exposure during pregnancy. The physiology of the placenta and its relevance as a matrix for monitoring chemical exposures and their effects on fetal health is first outlined. We then identify several key parameters that require further investigations before placenta can be used for large-scale monitoring in a robust manner. Most critical is the need for standardization of placental sampling. Placenta is a highly heterogeneous organ, and knowledge of the intraplacenta variability of chemical composition is required to ensure unbiased and robust interindividual comparisons. Other important variables include the time of collection, the sex of the fetus, and mode of delivery. Finally, we discuss the first applications of HRMS methods on the placenta to decipher the chemical exposome and describe how the use of placenta can complement biofluids collected on the mother or the fetus.
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Affiliation(s)
- Thomas Contini
- Univ Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, F-35000 Rennes, France
- RECETOX, Faculty of Science, Masaryk University, Kotlářská 2, 602 00 Brno, Czech Republic
| | - Rémi Béranger
- Univ Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, F-35000 Rennes, France
| | - Luc Multigner
- Univ Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, F-35000 Rennes, France
| | - Jana Klánová
- RECETOX, Faculty of Science, Masaryk University, Kotlářská 2, 602 00 Brno, Czech Republic
| | - Elliott J Price
- RECETOX, Faculty of Science, Masaryk University, Kotlářská 2, 602 00 Brno, Czech Republic
| | - Arthur David
- Univ Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, F-35000 Rennes, France
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14
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Płotka-Wasylka J, Mulkiewicz E, Lis H, Godlewska K, Kurowska-Susdorf A, Sajid M, Lambropoulou D, Jatkowska N. Endocrine disrupting compounds in the baby's world - A harmful environment to the health of babies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 881:163350. [PMID: 37023800 DOI: 10.1016/j.scitotenv.2023.163350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/03/2023] [Accepted: 04/03/2023] [Indexed: 06/01/2023]
Abstract
Globally, there has been a significant increase in awareness of the adverse effects of chemicals with known or suspected endocrine-acting properties on human health. Human exposure to endocrine disrupting compounds (EDCs) mainly occurs by ingestion and to some extent by inhalation and dermal uptake. Although it is difficult to assess the full impact of human exposure to EDCs, it is well known that timing of exposure is of importance and therefore infants are more vulnerable to EDCs and are at greater risk compared to adults. In this regard, infant safety and assessment of associations between prenatal exposure to EDCs and growth during infancy and childhood has been received considerable attention in the last years. Hence, the purpose of this review is to provide a current update on the evidence from biomonitoring studies on the exposure of infants to EDCs and a comprehensive view of the uptake, the mechanisms of action and biotransformation in baby/human body. Analytical methods used and concentration levels of EDCs in different biological matrices (e.g., placenta, cord plasma, amniotic fluid, breast milk, urine, and blood of pregnant women) are also discussed. Finally, key issues and recommendations were provided to avoid hazardous exposure to these chemicals, taking into account family and lifestyle factors related to this exposure.
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Affiliation(s)
- Justyna Płotka-Wasylka
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, 11/12 G. Narutowicza St., 80-233 Gdańsk, Poland; BioTechMed Center, Gdańsk University of Technology, 11/12 G. Narutowicza St., 80-233 Gdańsk, Poland.
| | - Ewa Mulkiewicz
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdańsk, 63 Wita Stwosza Street, 80-308 Gdańsk, Poland
| | - Hanna Lis
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdańsk, 63 Wita Stwosza Street, 80-308 Gdańsk, Poland
| | - Klaudia Godlewska
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdańsk, 63 Wita Stwosza Street, 80-308 Gdańsk, Poland
| | | | - Muhammad Sajid
- Applied Research Center for Environment and Marine Studies, Research Institute, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Dimitra Lambropoulou
- Department of Chemistry, Environmental Pollution Control Laboratory, Aristotle University of Thessaloniki, Greece; Center for Interdisciplinary Research and Innovation (CIRI-AUTH), Balkan Center, Thessaloniki GR-57001, Greece
| | - Natalia Jatkowska
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, 11/12 G. Narutowicza St., 80-233 Gdańsk, Poland.
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15
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Sørensen MM, Fisker AB, Dalgård C, Jensen KJ, Nielsen F, Benn CS, Grandjean P, Timmermann A. Predictors of serum- per- and polyfluoroalkyl substance (PFAS) concentrations among infants in Guinea-Bissau, West Africa. ENVIRONMENTAL RESEARCH 2023; 228:115784. [PMID: 37011795 DOI: 10.1016/j.envres.2023.115784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 03/07/2023] [Accepted: 03/26/2023] [Indexed: 05/16/2023]
Abstract
BACKGROUND Knowledge about PFAS exposure in Africa is limited. We have previously detected six types of PFAS in the serum of infants from Guinea-Bissau, West Africa. The aim of this study was to identify predictors of the infant serum-PFAS concentrations. METHODS This cross-sectional study was based on a subset of data from a randomized controlled trial of early measles vaccination performed in 2012-2015 in three rural regions of Guinea-Bissau. Blood samples were obtained from 237 children aged 4-to-7 months, and six types of PFAS were quantified in serum. Location of residence was recorded, and information about predictors related to socioeconomic status as well as maternal and child characteristics were obtained through structured interviews with the mothers through routine surveillance. Associations between potential predictors and infant serum-PFAS concentrations were examined in linear regression models while adjusting for potential confounding and mediating factors as identified in a directed acyclic graph. RESULTS Infants from the Cacheu region had the lowest concentrations of perfluorooctanoic acid (PFOA), while infants from the Oio region had the lowest concentrations of all other PFAS. Compared to infants from Oio, infant serum-perfluorooctane sulfonic acid (PFOS) concentrations were 94.1% (95% CI: 52.4, 147.1%) and 81.9% (95% CI: 45.7, 127.1%) higher in Cacheu and Biombo, respectively. Higher maternal age and lower parity were associated with slightly higher child-serum perfluorohexane sulfonic acid (PFHxS) concentrations, while infants with higher socioeconomic status and infants breastfed without supplementary solid foods at inclusion had higher average concentrations of most PFAS, although the confidence intervals were wide and overlapped zero. DISCUSSION Location of residence was the most important determinant of serum-PFAS concentrations among Guinea-Bissau infants, indicating a potential role of diet as affected by the global spread of PFAS, but future studies should explore reasons for the regional differences in PFAS exposure.
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Affiliation(s)
- Marzanna Marianna Sørensen
- Research Unit of Clinical Pharmacology, Pharmacy and Environmental Medicine, University of Southern Denmark, Odense, Denmark
| | - Ane Bærent Fisker
- Bandim Health Project, INDEPTH Network, Bissau, Guinea-Bissau; OPEN, Department of Clinical Research, University of Southern Denmark/Odense University Hospital, Odense, Denmark
| | - Christine Dalgård
- Research Unit of Clinical Pharmacology, Pharmacy and Environmental Medicine, University of Southern Denmark, Odense, Denmark
| | - Kristoffer Jarlov Jensen
- Copenhagen Phase IV Unit, Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark
| | - Flemming Nielsen
- Research Unit of Clinical Pharmacology, Pharmacy and Environmental Medicine, University of Southern Denmark, Odense, Denmark
| | - Christine Stabell Benn
- OPEN, Department of Clinical Research, University of Southern Denmark/Odense University Hospital, Odense, Denmark; Danish Institute for Advanced Study, University of Southern Denmark, Odense, Denmark
| | - Philippe Grandjean
- Research Unit of Clinical Pharmacology, Pharmacy and Environmental Medicine, University of Southern Denmark, Odense, Denmark; Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Amalie Timmermann
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark.
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16
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Martín-Carrasco I, Carbonero-Aguilar P, Dahiri B, Moreno IM, Hinojosa M. Comparison between pollutants found in breast milk and infant formula in the last decade: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 875:162461. [PMID: 36868281 DOI: 10.1016/j.scitotenv.2023.162461] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 02/03/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
Since ancient times, breastfeeding has been the fundamental way of nurturing the newborn. The benefits of breast milk are widely known, as it is a source of essential nutrients and provides immunological protection, as well as developmental benefits, among others. However, when breastfeeding is not possible, infant formula is the most appropriate alternative. Its composition meets the nutritional requirements of the infant, and its quality is subject to strict control by the authorities. Nonetheless, the presence of different pollutants has been detected in both matrices. Thus, the aim of the present review is to make a comparison between the findings in both breast milk and infant formula in terms of contaminants in the last decade, in order to choose the most convenient option depending on the environmental conditions. For that, the emerging pollutants including metals, chemical compounds derived from heat treatment, pharmaceutical drugs, mycotoxins, pesticides, packaging materials, and other contaminants were described. While in breast milk the most concerning contaminants found were metals and pesticides, in infant formula pollutants such as metals, mycotoxins, and packaging materials were the most outstanding. In conclusion, the convenience of using a feeding diet based on breast milk or either infant formula depends on the maternal environmental circumstances. However, it is important to take into account the immunological benefits of the breast milk compared to the infant formula, and the possibility of using breast milk in combination with infant formula when the nutritional requirements are not fulfilled only with the intake of breast milk. Therefore, more attention should be paid in terms of analyzing these conditions in each case to be able to make a proper decision, as it will vary depending on the maternal and newborn environment.
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Affiliation(s)
- I Martín-Carrasco
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/ Profesor García González 2, 41012 Seville, Spain
| | - P Carbonero-Aguilar
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/ Profesor García González 2, 41012 Seville, Spain
| | - B Dahiri
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/ Profesor García González 2, 41012 Seville, Spain
| | - I M Moreno
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/ Profesor García González 2, 41012 Seville, Spain.
| | - M Hinojosa
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/ Profesor García González 2, 41012 Seville, Spain; Department of Biochemistry and Biophysics, Stockholm University, Institutionen för biokemi och biofysik, 106 91 Stockholm, Sweden
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17
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Rodriguez PM, Ondarza PM, Miglioranza KSB, Ramirez CL, Vera B, Muntaner C, Guiñazú NL. Pesticides exposure in pregnant Argentinian women: Potential relations with the residence areas and the anthropometric neonate parameters. CHEMOSPHERE 2023; 332:138790. [PMID: 37142107 DOI: 10.1016/j.chemosphere.2023.138790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 04/15/2023] [Accepted: 04/24/2023] [Indexed: 05/06/2023]
Abstract
Intrauterine environment is the first chemical exposure scenario in life, through transplacental transfer. In this study, the aim was to determine concentrations of organochlorine pesticides (OCPs) and selected current use pesticides in the placentas of pregnant women from Argentina. Socio-demographic information, the mother's lifestyle and neonatal characteristics were also analysed and related to pesticides residue concentrations. Thus, 85 placentas were collected at birth, from an area of intensive fruit production for the international market, in Patagonia Argentina. Concentrations of 23 pesticides including, trifluralin (herbicide), the fungicides chlorothalonil and HCB, and the insecticides chlorpyrifos, HCHs, endosulfans, DDTs, chlordanes, heptachlors, drins and metoxichlor, were determined by GC-ECD and GC-MS. Results were first analysed all together and then grouped by their residential settings, in urban and rural groups. Total mean pesticide concentration was 582.6 ± 1034.4 ng/g lw, where DDTs (325.9 ± 950.3 ng/g lw) and chlorpyrifos (188.4 ± 365.4 ng/g lw) showed a high contribution. Pesticide levels found exceeded those reported in low, middle and high income countries from Europe, Asia and Africa. In general, pesticides concentrations were not associated with neonatal anthropometric parameters. When the results were analysed by residence place, significantly higher concentrations of total pesticides and chlorpyrifos (Mann Whitney test p = 0.0003 and p = 0.032, respectively) were observed in placentas collected from mothers living in rural settings compared to urban areas. Rural pregnant women presented the highest pesticide burden (5.9 μg), where DDTs and chlorpyrifos were the major constituents. These results suggested that all pregnant women are highly exposed to complex pesticide mixtures, including banned OCPs and the widely used chlorpyrifos. Based on the pesticide concentrations found, our results warn of possible health impacts from prenatal exposure through transplacental transfer. This is one of the first reports of both chlorpyrifos and chlorothalonil concentrations in placental tissue, and contributes to the knowledge of current pesticide exposure in Argentina.
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Affiliation(s)
- Piuque M Rodriguez
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología Del Comahue (CITAAC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Universidad Nacional Del Comahue, Buenos Aires 1400, Neuquén, 8300, Argentina
| | - Paola M Ondarza
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar Del Plata-CONICET, Dean Funes 3350, Mar Del Plata, 7600, Argentina.
| | - Karina S B Miglioranza
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar Del Plata-CONICET, Dean Funes 3350, Mar Del Plata, 7600, Argentina
| | - Critina L Ramirez
- Departamento de Química y Bioquímica, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar Del Plata-CONICET, Dean Funes 3350, Mar Del Plata, 7600, Argentina
| | - Berta Vera
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología Del Comahue (CITAAC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Universidad Nacional Del Comahue, Buenos Aires 1400, Neuquén, 8300, Argentina; Facultad de Medicina, Universidad Nacional Del Comahue, Los Arrayanes y Av. Toschi, Cipolletti, 8324, Río Negro, Argentina
| | - Celeste Muntaner
- Facultad de Medicina, Universidad Nacional Del Comahue, Los Arrayanes y Av. Toschi, Cipolletti, 8324, Río Negro, Argentina
| | - Natalia L Guiñazú
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología Del Comahue (CITAAC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Universidad Nacional Del Comahue, Buenos Aires 1400, Neuquén, 8300, Argentina; Departamento de Ciencias Del Ambiente, Facultad de Ciencias Del Ambiente y la Salud, Universidad Nacional Del Comahue, Buenos Aires 1400, Neuquén, 8300, Argentina
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18
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Parizek O, Gramblicka T, Parizkova D, Polachova A, Bechynska K, Dvorakova D, Stupak M, Dusek J, Pavlikova J, Topinka J, Sram RJ, Pulkrabova J. Assessment of organohalogenated pollutants in breast milk from the Czech Republic. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 871:161938. [PMID: 36740074 DOI: 10.1016/j.scitotenv.2023.161938] [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: 10/26/2022] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
This biomonitoring survey brings new information on the occurrence of a total of 94 organohalogenated pollutants in 231 human breast milk samples collected in 2019 and 2021 from women living in two regions of the Czech Republic (Karvina and Ceske Budejovice). This study aimed to evaluate the concentrations of 6 indicator polychlorinated biphenyls (PCBs), 10 organochlorine pesticides (OCPs), 34 halogenated flame retardants (HFRs), 29 perfluoroalkyl and polyfluoroalkyl substances (PFAS) and 15 polychlorinated naphthalenes (PCNs). PCBs, OCPs, most of HFRs and PCNs were identified/quantified by gas chromatography coupled to (tandem) mass spectrometry (GC-MS(/MS)), while PFAS, hexabromocyclododecane isomers (HBCD), brominated phenols, and tetrabromobisphenol A (TBBPA) by ultra-high performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS). The mean value of the sum of the 6 indicator PCBs was 123.12 nanogram per gram of lipid weight (ng g-1 lw). Hexachlorobenzene (HCB), β-hexachlorocyclohexane (β-HCH) and p,p'-dichlorodiphenyl-dichloroethylene (p,p'-DDE) were the most abundant OCPs, detected in 100 % (mean 11.8 ng g-1 lw), 94.8 % (mean 6.1 ng g-1 lw) and 100 % (mean 101.5 ng g-1 lw) of samples, respectively. PCN congeners 20, 52 and 66 were detected in <1 % of the samples. The HFRs concentrations were relatively low compared to the levels of OCP; The detection rate of polybrominated diphenyl ethers (PBDEs, # 47, 99 and 153) ranged 21-68 % with a mean concentrations of 0.34 ng g-1 lw - 0.42 ng g-1 lw. PFAS concentrations were also low, with perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) dominant in this group (means of 22 pg ml-1 and 21 pg ml-1, respectively). Our results confirmed the long-term trend of declining levels of banned POPs in Czech mothers. The amounts of PCBs and OCPs were higher in older breastfeeding primiparous women.
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Affiliation(s)
- Ondrej Parizek
- University of Chemistry and Technology, Prague, Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, Technicka 3, 166 28 Prague 6, Czech Republic
| | - Tomas Gramblicka
- University of Chemistry and Technology, Prague, Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, Technicka 3, 166 28 Prague 6, Czech Republic
| | - Denisa Parizkova
- University of Chemistry and Technology, Prague, Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, Technicka 3, 166 28 Prague 6, Czech Republic
| | - Andrea Polachova
- University of Chemistry and Technology, Prague, Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, Technicka 3, 166 28 Prague 6, Czech Republic
| | - Kamila Bechynska
- University of Chemistry and Technology, Prague, Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, Technicka 3, 166 28 Prague 6, Czech Republic
| | - Darina Dvorakova
- University of Chemistry and Technology, Prague, Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, Technicka 3, 166 28 Prague 6, Czech Republic
| | - Michal Stupak
- University of Chemistry and Technology, Prague, Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, Technicka 3, 166 28 Prague 6, Czech Republic
| | - Jiri Dusek
- Hospital Ceske Budejovice, a.s., 370 01 Ceske Budejovice, Czech Republic
| | - Jitka Pavlikova
- Institute of Experimental Medicine AS CR, Department of Genetic Toxicology and Epigenetics, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Jan Topinka
- Institute of Experimental Medicine AS CR, Department of Genetic Toxicology and Epigenetics, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Radim J Sram
- Institute of Experimental Medicine AS CR, Department of Genetic Toxicology and Epigenetics, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Jana Pulkrabova
- University of Chemistry and Technology, Prague, Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, Technicka 3, 166 28 Prague 6, Czech Republic.
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19
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Moenning JL, Numata J, Bloch D, Jahnke A, Schafft HA, Spolders M, Lüth A, Lahrssen-Wiederholt M, Schulz K. Transfer and toxicokinetic modeling of non-dioxin-like polychlorinated biphenyls (ndl-PCBs) into accidentally exposed dairy cattle and their calves - A case report. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 99:104106. [PMID: 36907369 DOI: 10.1016/j.etap.2023.104106] [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: 10/27/2022] [Revised: 02/28/2023] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
Polychlorinated biphenyls (PCBs) are persistent environmental pollutants that accumulate in tissues of exposed animals and humans. This case report refers ton=3 dairy cows accidentally exposed to non-dioxin-like PCBs (ndl-PCBs) of unknown origin on a German farm. At study start they had a cumulative total of 122-643 ng/g fat in milk and 105-591 ng/g fat in blood, consisting mainly of PCBs 138, 153, and 180. Two cows calved during the study and their calves were raised on their mothers' milk, resulting in cumulative exposure until slaughter. A physiologically based toxicokinetic model was developed to describe the fate of ndl-PCBs in the animals. The toxicokinetic behavior of ndl-PCBs was simulated in individual animals, including transfer of contaminants into calves via milk and placenta. Both the simulations and experimental data indicate that contamination via both routes is significant. In addition, the model was used to estimate kinetic parameters for risk assessment.
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Affiliation(s)
| | - Jorge Numata
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Dorit Bloch
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Anne Jahnke
- German Federal Institute for Risk Assessment, Berlin, Germany
| | | | - Markus Spolders
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Anja Lüth
- German Federal Institute for Risk Assessment, Berlin, Germany
| | | | - Kirsten Schulz
- German Federal Institute for Risk Assessment, Berlin, Germany.
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20
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Shehata N, Egirani D, Olabi AG, Inayat A, Abdelkareem MA, Chae KJ, Sayed ET. Membrane-based water and wastewater treatment technologies: Issues, current trends, challenges, and role in achieving sustainable development goals, and circular economy. CHEMOSPHERE 2023; 320:137993. [PMID: 36720408 DOI: 10.1016/j.chemosphere.2023.137993] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 01/03/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Membrane-based technologies are recently being considered as effective methods for conventional water and wastewater remediation processes to achieve the increasing demands for clean water and minimize the negative environmental effects. Although there are numerous merits of such technologies, some major challenges like high capital and operating costs . This study first focuses on reporting the current membrane-based technologies, i.e., nanofiltration, ultrafiltration, microfiltration, and forward- and reverse-osmosis membranes. The second part of this study deeply discusses the contributions of membrane-based technologies in achieving the sustainable development goals (SDGs) stated by the United Nations (UNs) in 2015 followed by their role in the circular economy. In brief, the membrane based processes directly impact 15 out of 17 SDGs which are SDG1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16 and 17. However, the merits, challenges, efficiencies, operating conditions, and applications are considered as the basis for evaluating such technologies in sustainable development, circular economy, and future development.
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Affiliation(s)
- Nabila Shehata
- Environmental Science and Industrial Development Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
| | - Davidson Egirani
- Faculty of Science, Niger Delta University, Wilberforce Island, Nigeria
| | - A G Olabi
- Sustainable Energy & Power Systems Research Centre, RISE, University of Sharjah, Sharjah, 27272, United Arab Emirates; Mechanical Engineering and Design, Aston University, School of Engineering and Applied Science, Aston Triangle, Birmingham, B4 7ET, UK.
| | - Abrar Inayat
- Sustainable Energy & Power Systems Research Centre, RISE, University of Sharjah, Sharjah, 27272, United Arab Emirates.
| | - Mohammad Ali Abdelkareem
- Sustainable Energy & Power Systems Research Centre, RISE, University of Sharjah, Sharjah, 27272, United Arab Emirates; Chemical Engineering Department, Minia University, Elminia, Egypt
| | - Kyu-Jung Chae
- Department of Environmental Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan, 49112, Republic of Korea; Interdisciplinary Major of Ocean Renewable Energy Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan, 49112, South Korea.
| | - Enas Taha Sayed
- Chemical Engineering Department, Minia University, Elminia, Egypt.
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21
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Timmermann A, Avenbuan ON, Romano ME, Braun JM, Tolstrup JS, Vandenberg LN, Fenton SE. Per- and Polyfluoroalkyl Substances and Breastfeeding as a Vulnerable Function: A Systematic Review of Epidemiological Studies. TOXICS 2023; 11:325. [PMID: 37112552 PMCID: PMC10145877 DOI: 10.3390/toxics11040325] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/16/2023] [Accepted: 03/22/2023] [Indexed: 05/25/2023]
Abstract
Milk formation in the breast during breastfeeding is a complex hormonally regulated process, potentially sensitive to the effects of endocrine-disrupting chemical exposures. The environmental chemicals, per- and polyfluoroalkyl substances (PFAS) are known endocrine disruptors. PFAS exposure have been associated with insufficient mammary gland development in mice and reduced breastfeeding duration in humans. The aim of this review was to gather the epidemiological evidence on the association between PFAS exposure and breastfeeding duration. Using PubMed and Embase, we performed a systematic literature search (on 23 January 2023) to identify epidemiological studies examining the association between maternal PFAS exposure and breastfeeding duration. Animal studies, reviews, and non-English studies were excluded. The risk of bias was assessed using the risk of bias in non-randomized studies of exposures tool. Estimates describing the association between PFAS exposure and the duration of breastfeeding were identified, and the data were synthesized separately for each type of PFAS and for the duration of exclusive and total breastfeeding. Six studies with between 336 and 2374 participants each were identified. PFAS exposure was assessed in serum samples (five studies) or based on residential address (one study). Five out of six studies found shorter total duration of breastfeeding with higher PFAS exposure. The most consistent associations were seen for perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), and perfluorononanoic acid (PFNA). The finding of a potential causal association between PFAS exposure and breastfeeding duration is in agreement with findings from experimental studies.
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Affiliation(s)
- Amalie Timmermann
- National Institute of Public Health, University of Southern Denmark, 1455 Copenhagen, Denmark
| | - Oyemwenosa N. Avenbuan
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina, Chapel Hill, NC 27 599-7325, USA
| | - Megan E. Romano
- Department of Epidemiology, Dartmouth Geisel School of Medicine, Hanover, NH 03 755, USA
| | - Joseph M. Braun
- Department of Epidemiology, Brown University, Providence, RI 02 903, USA
| | - Janne S. Tolstrup
- National Institute of Public Health, University of Southern Denmark, 1455 Copenhagen, Denmark
| | - Laura N. Vandenberg
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts Amherst, Amherst, MA 01 003, USA
| | - Suzanne E. Fenton
- Mechanistic Toxicology Branch, Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Durham, NC 27 709, USA
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22
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Ferreira ALL, Freitas-Costa N, da Silva Rosa Freire S, Figueiredo ACC, Padilha M, Alves-Santos NH, Kac G. Association of pre-pregnancy maternal overweight/obesity and dietary intake during pregnancy with the concentrations of persistent organic pollutants in the human milk of women from Rio de Janeiro, Brazil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:44999-45014. [PMID: 36701066 DOI: 10.1007/s11356-023-25308-x] [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: 10/07/2022] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
Persistent organic pollutants (POPs) are toxic chemical compounds that can bioaccumulate, adhere to lipid matrices, and affect human health. This study aimed to investigate the association between maternal pre-pregnancy overweight/obesity and dietary intake during pregnancy and POP concentrations in the human milk of women from Rio de Janeiro, Brazil. One hundred and forty-seven women were followed from the third trimester of pregnancy until 119 days postpartum, and 77 human milk samples were analyzed between 2 and 119 days postpartum. POP concentrations were analyzed using gas chromatography-triple quadrupole mass spectrometry. Pregnancy dietary intake was estimated using a semi-quantitative food frequency questionnaire, and pre-pregnancy body mass index at baseline was classified as normal or overweight/obesity. Multiple logistic and linear regression models were performed to investigate the association between pre-pregnancy overweight/obesity, dietary intake during pregnancy, and POP concentrations in human milk. The models were adjusted for maternal age, maternal schooling, total cholesterol serum concentrations, and time postpartum. The analyses were corrected for multiple comparisons using the Benjamini-Hochberg test. Significant associations were observed between pre-pregnancy overweight/obesity and dichlorodiphenyldichloroethane (ppDDE), polychlorinated biphenyl (PCB)74, PCB138, PCB153, PCB170, PCB180, total PCBs, total 4PCBs, total 2 organochlorine pesticides (OCPs), and total POP concentrations. Higher daily lipid intake during pregnancy increased human milk hexachlorobenzene (HCB). This study showed that pre-pregnancy overweight/obesity and total lipid intake during pregnancy were associated with POP concentrations in the milk of women from Rio de Janeiro, Brazil. To promote adequate nutritional status since preconception and surveillance and control of POP in the environment could be essential to ensure binomial mother-infant health and biomonitoring studies and programs for these POPs should be stimulated.
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Affiliation(s)
- Ana Lorena Lima Ferreira
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2º Andar, Sala 29, Cidade Universitária, Ilha Do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Nathalia Freitas-Costa
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2º Andar, Sala 29, Cidade Universitária, Ilha Do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Samary da Silva Rosa Freire
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2º Andar, Sala 29, Cidade Universitária, Ilha Do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Amanda Caroline Cunha Figueiredo
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2º Andar, Sala 29, Cidade Universitária, Ilha Do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Marina Padilha
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2º Andar, Sala 29, Cidade Universitária, Ilha Do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Nadya Helena Alves-Santos
- Faculty of Collective Health, Institute for Health and Biological Studies, Federal University of South and Southeast of Pará, Rodovia BR-230 (Transamazônica), Loteamento Cidade Jardim, Avenida Dos Ipês, S/N.°-Cidade Jardim, Marabá, PA, 68500-000, Brazil
| | - Gilberto Kac
- Nutritional Epidemiology Observatory, Josué de Castro Nutrition Institute, Rio de Janeiro Federal University, Avenida Carlos Chagas Filho 373/CCS, Bloco J, 2º Andar, Sala 29, Cidade Universitária, Ilha Do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil.
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23
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LaKind JS, Naiman J, Verner MA, Lévêque L, Fenton S. Per- and polyfluoroalkyl substances (PFAS) in breast milk and infant formula: A global issue. ENVIRONMENTAL RESEARCH 2023; 219:115042. [PMID: 36529330 PMCID: PMC9872587 DOI: 10.1016/j.envres.2022.115042] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 05/25/2023]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) are transferred from mother to infants through breastfeeding, a time when children may be particularly vulnerable to PFAS-mediated adverse health effects. Infants can also be exposed to PFAS from infant formula consumption. Our recent literature-based scoping of breast milk levels reported that four PFAS often exceeded the United States Agency for Toxic Substances and Disease Registry (ATSDR) children's drinking water screening levels in both the general population and highly impacted communities in the U.S. and Canada. This work presents a comparison of global breast milk and infant formula PFAS measurements with the only reported health-based drinking water screening values specific to children. METHODS We focused on four PFAS for which ATSDR has developed children's drinking water screening values: PFOA (perfluorooctanoic acid), PFOS (perfluorooctanesulfonic acid), PFHxS (perfluorohexanesulfonic acid), and PFNA (perfluorononanoic acid). Published literature on PFAS levels in breast milk and infant formula were identified via PubMed searches. Data were compared to children's drinking water screening values. DISCUSSION Breast milk concentrations of PFOA and PFOS often exceed children's drinking water screening values, regardless of geographic location. The limited information on infant formula suggests its use does not necessarily result in lower PFAS exposures, especially for formulas reconstituted with drinking water containing PFAS. Unfortunately, individuals generally cannot know whether their infant's exposures exceed children's drinking water screening values. Thus, it is essential that pregnant and lactating women and others, especially those having lived in PFAS-contaminated communities, have data required to make informed decisions on infant nutrition. An international monitoring effort and access to affordable testing are needed for breast milk, drinking water and infant formula to fully understand infant PFAS exposures. Currently, our understanding of demonstrable methods for reducing exposures to emerging PFAS is limited, making this research and the communications surrounding it even more important.
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Affiliation(s)
- Judy S LaKind
- LaKind Associates, LLC, 106 Oakdale Avenue, Catonsville, MD 21228, USA; Department of Epidemiology and Public Health, University of Maryland School of Medicine, 655 W Baltimore St, Baltimore, MD, 21201, USA.
| | - Josh Naiman
- Naiman Associates, LLC, 504 S 44th St, Philadelphia, PA, 19104, USA.
| | - Marc-Andre Verner
- Departement of Occuptional and Environmental Health, Université de Montréal School of Public Health, 2375 Chemin de la Côte-Sainte-Catherine, Office 4105, Montreal (Québec) H3T 1A8 Canada; Centre de Recherche en Santé Publique (CReSP), Université de Montréal and CIUSSS du Centre-Sud-de-l'Île-de-Montréal, CP 6128, Succursale Centre-Ville, Montreal (Québec) H3C 3J7 Canada.
| | - Laura Lévêque
- Departement of Occuptional and Environmental Health, Université de Montréal School of Public Health, 2375 Chemin de la Côte-Sainte-Catherine, Office 4105, Montreal (Québec) H3T 1A8 Canada; Centre de Recherche en Santé Publique (CReSP), Université de Montréal and CIUSSS du Centre-Sud-de-l'Île-de-Montréal, CP 6128, Succursale Centre-Ville, Montreal (Québec) H3C 3J7 Canada.
| | - Suzanne Fenton
- Mechanistic Toxicology Branch, Division of Translational Toxicology, National Institute of Environmental Health Sciences, 111 TW Alexander Dr, Research Triangle Park, NC, 27709, USA.
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Sanguos CL, Suárez OL, Martínez-Carballo E, Couce ML. Postnatal exposure to organic pollutants in maternal milk in north-western Spain. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 318:120903. [PMID: 36549446 DOI: 10.1016/j.envpol.2022.120903] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
Evaluation of postnatal exposure to organic pollutants is especially important for suckling infants during breastfeeding, a crucial perinatal growth period when organs and hormonal systems develop. We determined levels of 60 pollutants, including organochlorine pesticides (OCPs), organophosphorus pesticides (OPPs), pyrethroids (PYRs), polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), and polybrominated diphenyl ethers (PBDEs), in 81 breast milk samples from breastfeeding mothers from Santiago de Compostela (north-western Spain). For most detected organic pollutants, levels were correlated with the season of milk sampling, maternal age at delivery, and place of residence. Dietary consumption habits (eggs, molluscs, and vegetable oils) were also correlated with OCP, OPP, PCB, PBDE and PYR levels. We also assessed the risk to infant health of exposure to organic pollutants in breast milk. PAHs, OCPs, OPPs, and PYRs accounted for almost 95% of the targeted organic pollutants in the samples analysed.
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Affiliation(s)
- Carolina López Sanguos
- Department of Neonatology, University Clinical Hospital of Santiago de Compostela, Santiago de Compostela, 15704, Spain; IDIS-Health Research Institute of Santiago de Compostela, Santiago de Compostela, 15704, Spain; Faculty of Medicine, University of Santiago de Compostela, Santiago de Compostela, 15704, Spain; Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Developmental Origin (RICORS), Instituto de Salud Carlos III, Madrid, Spain.
| | - Olalla López Suárez
- Department of Neonatology, University Clinical Hospital of Santiago de Compostela, Santiago de Compostela, 15704, Spain; IDIS-Health Research Institute of Santiago de Compostela, Santiago de Compostela, 15704, Spain; Faculty of Medicine, University of Santiago de Compostela, Santiago de Compostela, 15704, Spain; Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Developmental Origin (RICORS), Instituto de Salud Carlos III, Madrid, Spain.
| | - Elena Martínez-Carballo
- Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Developmental Origin (RICORS), Instituto de Salud Carlos III, Madrid, Spain; Food and Health Omics, Department of Analytical and Food Chemistry, Faculty of Sciences, Campus da Auga, University of Vigo, Ourense, 32004, Spain.
| | - María Luz Couce
- Department of Neonatology, University Clinical Hospital of Santiago de Compostela, Santiago de Compostela, 15704, Spain; IDIS-Health Research Institute of Santiago de Compostela, Santiago de Compostela, 15704, Spain; Faculty of Medicine, University of Santiago de Compostela, Santiago de Compostela, 15704, Spain; Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Developmental Origin (RICORS), Instituto de Salud Carlos III, Madrid, Spain.
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25
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Yurdakok-Dikmen B, Kuzukiran O, Uyar R, Boztepe UG, Çelik HT, Ozyuncu O, Turgut Y, Kanca H, Karakas-Alkan K, Filazi A. Live in same region, respond differently: Canine and human response to pollutants in placental accumulation. CHEMOSPHERE 2022; 301:134470. [PMID: 35367487 DOI: 10.1016/j.chemosphere.2022.134470] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/26/2022] [Accepted: 03/28/2022] [Indexed: 06/14/2023]
Abstract
Polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), polybrominated diphenyl ethers (PBDEs), and polycyclic aromatic hydrocarbons (PAHs) are endocrine-disrupting chemicals (EDCs). Their presence in the environment is particularly concerning in cases of fetal exposure, which is the most vulnerable period of life for both human and animals who share the same environment. Placenta, as a sample collected using noninvasive methods to screen EDCs, is a good indicator for potential fetal exposure. Although recent studies indicate that companion animal may correspond to human exposure, species-specific anatomo-morphological and metabolic differences are controversial. In this study, placenta samples of 60 women and 25 dogs living and giving birth within the same region were evaluated for the presence of PCB, OCP, PBDE, and PAH residues; where, socio-demographic factors were also assessed to identify the possible sources. Gas chromatography-mass spectrometry method was validated for the matrix, and among 45 screened and targeted pollutants, only 18 were found in human placentas. While the most frequently detected pollutants were DDTs, followed by PAHs and PCBs in decreasing order, the pollutants with the highest concentrations were PAHs, followed by PCBs and DDTs. Only five of the target contaminants were detected in the dog placentas. These results indicate that; as dogs have different bioaccumulation capacities and higher excretion rates than humans, the life-long effects of exposure to endocrine compound and possible consequences related to adverse health outcomes are expected to vary and concentrations cannot be directly correlated.
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Affiliation(s)
- Begum Yurdakok-Dikmen
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ankara University, Turkey
| | - Ozgur Kuzukiran
- Eldivan Vocational School of Health Services, Cankiri Karatekin University, Eldivan, Cankiri, Turkey
| | - Recep Uyar
- Department of Pharmacology and Toxicology, Institute of Health Sciences, Ankara University, Turkey
| | - Ummu Gulsum Boztepe
- Department of Pharmacology and Toxicology, Institute of Health Sciences, Ankara University, Turkey
| | - Hasan Tolga Çelik
- Division of Neonatology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Ozgur Ozyuncu
- Department of Obstetrics and Gynecology, Division of Perinatology, Hacettepe University, Ankara, Turkey
| | - Yagmur Turgut
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ankara University, Turkey
| | - Halit Kanca
- Department of Obstetrics and Gynecology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - Kubra Karakas-Alkan
- Department of Obstetrics and Gynecology, Faculty of Veterinary Medicine, Selçuk University, Konya, Turkey
| | - Ayhan Filazi
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ankara University, Turkey.
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26
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Crocoli LC, Menck RA, Moura S. Pesticides analysis in alternative biological matrices. Drug Chem Toxicol 2022:1-16. [PMID: 35734890 DOI: 10.1080/01480545.2022.2090574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This review aims to bring together the works on pesticide analysis in alternative biological matrices, such as hair, breast milk, meconium, and placenta. Much is known about the harmful effects of the use and indirect consumption of pesticides; however, the assessment of long-term contamination is still unclear. In this sense, the use of hair as an alternative biological matrix has some advantages, such as segmentation, which makes it possible to assess the presence of xenobiotics to which individuals have been exposed over the years, and possibly relate this exposure to symptoms or diseases that may affect them. Complementarily, the other matrices discussed are able to provide information about the exposure of mothers and newborn children, who may have been indistinctly exposed to pesticides while in the womb. Through the analysis of studies already performed, it can be observed that organochlorine pesticides (OCPs) are the most likely to be found within the biological matrices discussed here, due to the lipophilic characteristics of these compounds. For the other classes, biotransformation products are more easily detected.
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Affiliation(s)
- Luana C Crocoli
- Technology Department, LBIOP - Laboratory of Biotechnology of Natural and Synthetics Products, Biotechnology Institute, University of Caxias do Sul, Caxias do Sul, Brazil
| | - Rafael A Menck
- Toxicology, INNOVATOX - Innovatox Analysis and Research LTDA, Sorocaba, Brazil
| | - Sidnei Moura
- Technology Department, LBIOP - Laboratory of Biotechnology of Natural and Synthetics Products, Biotechnology Institute, University of Caxias do Sul, Caxias do Sul, Brazil
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27
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Nyström J, Benskin JP, Plassmann M, Sandblom O, Glynn A, Lampa E, Gyllenhammar I, Moraeus L, Lignell S. Demographic, life-style and physiological determinants of serum per- and polyfluoroalkyl substance (PFAS) concentrations in a national cross-sectional survey of Swedish adolescents. ENVIRONMENTAL RESEARCH 2022; 208:112674. [PMID: 34998808 DOI: 10.1016/j.envres.2022.112674] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 11/18/2021] [Accepted: 01/02/2022] [Indexed: 05/09/2023]
Abstract
PER: and polyfluoroalkyl substances (PFAS) may affect adolescent health, yet factors related to PFAS concentrations in serum are poorly understood. We studied demographic, life-style and physiological determinants of serum PFAS concentrations in Swedish adolescents from a nation-wide survey, Riksmaten Adolescents 2016-17 (RMA, age 10-21 years, n = 1098). Serum samples were analyzed for 42 PFAS, using liquid chromatography-tandem mass spectrometry. The cumulative probability model was used to estimate associations between serum PFAS and determinants, using ordinal logistic regression. Legacy linear (lin-) perfluorooctanoic acid (PFOA), perfluorononaoic acid (PFNA), perfluorodecanoic acid (PFDA), perfluoroundecanoic acid (PFUnDA), lin-perfluorohexanesulfonic acid (PFHxS) and lin-/branched (br-) perfluorooctanesulfonic acid (PFOS) were quantifiable in ≥70% of the samples. The emerging PFAS 9-chlorohexanedecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) was quantified in 5.4% of the samples, suggesting initiation of long-range transport far from production sites. Median concentrations of all legacy PFAS were <2 ng/g serum, with a few participants having very high (>100 ng/g serum) lin-PFHxS and lin-/br-PFOS concentrations due to previous high exposure from PFAS-contaminated drinking water. Legacy PFAS exposure was strongly associated with birth country of the participants and their mothers. 2-fold higher estimated adjusted mean (EAM) concentrations were seen among high income country participants with mothers from high income countries than among low/lower-middle income country participants with mothers from the same category. Menstruating females had lower br-PFOS EAM concentrations than those who were not. Iron status (plasma ferritin) among females may be a marker of intensity of menstrual bleeding, but it was not significantly associated with legacy PFAS concentrations among females. Further studies are needed to determine how physiological changes occurring around menstruation affect the toxicokinetics of PFAS in females. In conclusion, PFAS are pollutants of the industrialized world and some of the identified determinants may be overlooked confounders/effect modifiers that should be included in future PFAS/health studies among adolescents.
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Affiliation(s)
- Jennifer Nyström
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden.
| | - Jonathan P Benskin
- Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, Stockholm, Sweden
| | - Merle Plassmann
- Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, Stockholm, Sweden
| | - Oskar Sandblom
- Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, Stockholm, Sweden
| | - Anders Glynn
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
| | - Erik Lampa
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Irina Gyllenhammar
- Department of Risk and Benefit Assessment, Swedish Food Agency, Uppsala, Sweden
| | - Lotta Moraeus
- Department of Risk and Benefit Assessment, Swedish Food Agency, Uppsala, Sweden
| | - Sanna Lignell
- Department of Risk and Benefit Assessment, Swedish Food Agency, Uppsala, Sweden
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28
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Fan X, Tang S, Wang Y, Fan W, Ben Y, Naidu R, Dong Z. Global Exposure to Per- and Polyfluoroalkyl Substances and Associated Burden of Low Birthweight. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:4282-4294. [PMID: 35293723 DOI: 10.1021/acs.est.1c08669] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Low birthweight (LBW) is a worldwide public health concern, while the global burden of LBW attributable to endocrine-disrupting chemicals, such as per- and polyfluoroalkyl substances (PFAS), has not yet been evaluated. Here, we established a large dataset for the biomonitoring of seven representative congeners of PFAS by examining data from 2325 publications. Global exposure to perfluorooctanesulfonic acid (PFOS) was the highest, followed by perfluorohexanesulfonic acid (PFHxS) and perfluorooctanoic acid (PFOA). Spatiotemporal exposure to PFAS varied considerably, with daily intake estimated in the range of 0.01-1.7 ng/kg/day. Moreover, decreasing trends in PFOS, PFHxS, and PFOA exposure were noted in most regions of the world over the past two decades, but such trends were not observed for other PFAS with long carbon chains, especially in East Asia. Furthermore, we estimated that human exposure to PFOA contributed to approximately 461,635 (95% confidence interval: 57,418 to 854,645) cases per year of LBW during the past two decades, predominantly from Asian regions. Although our estimation may be constrained by uncertainties from the dose-response curve and data availability, this study has unveiled that PFAS might be a contributor to global LBW prevalence during 2000-2019, supporting continuous actions to mitigate PFAS contamination.
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Affiliation(s)
- Xiarui Fan
- School of Space and Environment, Beihang University, Beijing 100191, China
| | - Song Tang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
- Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Ying Wang
- School of Space and Environment, Beihang University, Beijing 100191, China
| | - Wenhong Fan
- School of Space and Environment, Beihang University, Beijing 100191, China
- Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing 100191, China
| | - Yujie Ben
- State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Ravi Naidu
- Global Centre for Environmental Remediation (GCER), The University of Newcastle, ATC Building, Callaghan, NSW 2308, Australia
- CRC for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, ATC Building, Callaghan, NSW 2308, Australia
| | - Zhaomin Dong
- School of Space and Environment, Beihang University, Beijing 100191, China
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29
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Dwivedi N, Mahdi AA, Deo S, Ahmad MK, Kumar D. Assessment of genotoxicity and oxidative stress in pregnant women contaminated to organochlorine pesticides and its correlation with pregnancy outcome. ENVIRONMENTAL RESEARCH 2022; 204:112010. [PMID: 34520748 DOI: 10.1016/j.envres.2021.112010] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 06/13/2023]
Abstract
The present study was aimed to assess the correlation between transplacental transfer of xenobiotics and resulting biochemical alterations (including genotoxicity and oxidative stress) in non-occupational pregnant women of North India along with the effect on pregnancy outcomes. Maternal and cord blood samples were collected from 221 healthy mother-infant couples and divided according to their gestational age and birth weight. Genotoxic effects in mother and cord blood were examined using comet assay. The quantitative determination of Organo-chlorine pesticides in blood serum of study population was carried out using gas chromatography-mass spectrometry (GC-MS). Notably higher Organo-chlorine pesticides levels were observed in maternal blood of preterm than term subjects for almost all of the compounds detected, with the maximum concentration found for aldrin (3.26 mg/l) in maternal blood and dieldrin (2.69 mg/l) in cord blood. The results showed a significant increment in olive tail moment, tail full length, catalase, super-oxide dismutase, and malondialdehyde levels whereas lower glutathione reductase and peroxidase were found in preterm babies when compared with term group and it varied in the order: maternal blood > cord blood. A clear trend was observed for preterm babies with their lower birth weight and cesarean mode of delivery. Therefore, reduction in birth weight in newborns may be the consequence of increased oxidative damage and genotoxicity brought about by pesticides and these markers could be employed for early detection of pesticides related ailments and toxicities. To the best of our knowledge, this was a pioneering study and it may help to increase our knowledge with regard to xenobiotic exposure in biological system and the need for stringent guidelines for agricultural use of pesticides.
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Affiliation(s)
- Naina Dwivedi
- Department of Biochemistry, King George's Medical University, Lucknow, 226003, India
| | - Abbas Ali Mahdi
- Department of Biochemistry, King George's Medical University, Lucknow, 226003, India.
| | - Sujata Deo
- Department of Obstetrics and Gynaecology, King George's Medical University, Lucknow, 226003, India
| | - Mohammad Kaleem Ahmad
- Department of Biochemistry, King George's Medical University, Lucknow, 226003, India
| | - Durgesh Kumar
- Department of Biochemistry, King George's Medical University, Lucknow, 226003, India
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30
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Xu S, Hansen S, Rautio A, Järvelin MR, Abass K, Rysä J, Palaniswamy S, Huber S, Grimalt JO, Dumas P, Odland JØ. Monitoring temporal trends of dioxins, organochlorine pesticides and chlorinated paraffins in pooled serum samples collected from Northern Norwegian women: The MISA cohort study. ENVIRONMENTAL RESEARCH 2022; 204:111980. [PMID: 34474033 DOI: 10.1016/j.envres.2021.111980] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/25/2021] [Accepted: 08/25/2021] [Indexed: 06/13/2023]
Abstract
The ubiquitous presence of legacy and emerging persistent organic pollutants (POPs) in the environmental matrices poses a potential hazard to the humans and creating public health concerns. The present study aimed to evaluate dioxins, dioxin-like polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs) and chlorinated paraffins (CPs) concentrations in serum of women (postpartum, pregnant and non-pregnant) from Northern Norway to better understand their exposure and contamination status as well as temporal trends across 2007-2009 (MISA 1) to 2019 (MISA 2). Sixty-two blood samples from the MISA 1 cohort and 38 samples from MISA 2 were randomly selected in this study (n = 100). Ninety samples from postpartum (MISA 1) and pregnant women (MISA 2) were randomly combined into 9 pools, with 9-11 individual samples contributing to each pool keeping the groups of pregnant and postpartum women. Remaining 10 samples from non-pregnant women (MISA 2) were allocated into separate group. Geometric mean, minimum and maximum were used to describe the serum concentrations of pooled POPs in MISA cohort. Mann-Whitney U test and independent sample t-test were applied for trend analysis of blood levels of POPs between MISA 1 and MISA 2. We found the serum concentrations of selected POPs in this study to be at lower range. Serum concentrations of dibenzo-p-dioxins (PCDDs) (p = 0.010), polychlorinated dibenzofurans (PCDFs) (p = 0.002), dioxins-like PCBs (p = 0.001), hexachlorobenzene (HCB) (p < 0.001) and p,p'-dichlorodiphenyldichloroethylene (p,p'-DDE) (p = 0.002) were decreased between the studied time. In contrast, the serum concentrations of medium chain chlorinated paraffins showed an increasing trend between 2007 and 2009 and 2019 (p = 0.019). Our findings report a particular concern of emerging contaminant medium chain chlorinated paraffin exposure to humans. Future observational studies with repeated measurements of chlorinated paraffins in general populations worldwide and large sample size are warranted.
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Affiliation(s)
- Shanshan Xu
- Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, 7491, Norway
| | - Solrunn Hansen
- Department of Health and Care Sciences, UiT the Arctic University of Norway, Tromsø, 9037, Norway
| | - Arja Rautio
- Arctic Health, Faculty of Medicine, University of Oulu, Oulu, Finland; Thule Institute, University of Arctic, University of Oulu, Oulu, Finland
| | - Marjo-Riitta Järvelin
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland; Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom; Unit of Primary Care, Oulu University Hospital, Oulu, Finland; MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College London, London, United Kingdom; Department of Life Sciences, College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Khaled Abass
- Arctic Health, Faculty of Medicine, University of Oulu, Oulu, Finland; Department of Pesticides, Menoufia University, Menoufia, Egypt
| | - Jaana Rysä
- Faculty of Health Sciences, School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Saranya Palaniswamy
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland; Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
| | - Sandra Huber
- Department of Laboratory Medicine, University Hospital of North Norway, Sykehusveien 38, Tromsø, NO-9038, Norway
| | - Joan O Grimalt
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18, Barcelona, Catalonia, 08034, Spain
| | - Pierre Dumas
- Institut Nacional de Santé Publique du Québec (INSPQ), Québec City, Canada
| | - Jon Øyvind Odland
- Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, 7491, Norway; Department of General Hygiene I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, 119992, Russia.
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31
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Jin T, Peydayesh M, Mezzenga R. Membrane-based technologies for per- and poly-fluoroalkyl substances (PFASs) removal from water: Removal mechanisms, applications, challenges and perspectives. ENVIRONMENT INTERNATIONAL 2021; 157:106876. [PMID: 34534787 DOI: 10.1016/j.envint.2021.106876] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 06/13/2023]
Abstract
Water purification from per- and poly-fluoroalkyl substances (PFASs), as a group of persistent and mobile fluoro-organic contaminants, is receiving increasing attention worldwide due to the ubiquitous presence of these highly toxic compounds. To reduce the risk of exposure of human life to PFASs and their dispersion in the environment, various techniques, primarily based on membrane technologies, have been rapidly developed. Here we critically review and analyze the current state-of-the-art of membrane-based techniques for PFASs removal, including direct membrane filtrations, adsorption-based membranes, and hybrid membrane processes. Membranes performance, treatment efficiencies, characteristic parameters and mechanisms for PFASs removal are discussed in detail. We highlight and discuss advantages and limitations, as well as challenges and prospects of individual membrane-based PFASs treatments, pointing towards the practical and sustainable application of these technologies.
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Affiliation(s)
- Tonghui Jin
- ETH Zurich, Department of Health Sciences and Technology, 8092 Zurich, Switzerland
| | - Mohammad Peydayesh
- ETH Zurich, Department of Health Sciences and Technology, 8092 Zurich, Switzerland
| | - Raffaele Mezzenga
- ETH Zurich, Department of Health Sciences and Technology, 8092 Zurich, Switzerland; ETH Zurich, Department of Materials, Wolfgang-Pauli-Strasse 10, 8093 Zurich, Switzerland.
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32
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Lorigo M, Cairrao E. Fetoplacental vasculature as a model to study human cardiovascular endocrine disruption. Mol Aspects Med 2021; 87:101054. [PMID: 34839931 DOI: 10.1016/j.mam.2021.101054] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 10/15/2021] [Accepted: 11/18/2021] [Indexed: 12/11/2022]
Abstract
Increasing evidence has associated the exposure of endocrine-disrupting chemicals (EDCs) with the cardiovascular (CV) system. This exposure is particularly problematic in a sensitive window of development, pregnancy. Pregnancy exposome can affect the overall health of the pregnancy by dramatic changes in vascular physiology and endocrine activity, increasing maternal susceptibility. Moreover, fetoplacental vascular function is generally altered, increasing the risk of developing pregnancy complications (including cardiovascular diseases, CVD) and predisposing the foetus to adverse health risks later in life. Thus, our review summarizes the existing literature on exposures to EDCs during pregnancy and adverse maternal health outcomes, focusing on the human placenta, vein, and umbilical artery associated with pregnancy complications. The purpose of this review is to highlight the role of fetoplacental vasculature as a model for the study of human cardiovascular endocrine disruption. Therefore, we emphasize that the placenta, together with the umbilical arteries and veins, allows a better characterization of the pregnant woman's exposome. Consequently, it contributes to the protection of the mother and foetus against CV disorders in life.
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Affiliation(s)
- Margarida Lorigo
- CICS-UBI, Health Sciences Research Centre, University of Beira Interior, 6200-506, Covilhã, Portugal; FCS - UBI, Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal
| | - Elisa Cairrao
- CICS-UBI, Health Sciences Research Centre, University of Beira Interior, 6200-506, Covilhã, Portugal; FCS - UBI, Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal.
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33
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Björvang RD, Vinnars MT, Papadogiannakis N, Gidlöf S, Mamsen LS, Mucs D, Kiviranta H, Rantakokko P, Ruokojärvi P, Lindh CH, Andersen CY, Damdimopoulou P. Mixtures of persistent organic pollutants are found in vital organs of late gestation human fetuses. CHEMOSPHERE 2021; 283:131125. [PMID: 34467953 DOI: 10.1016/j.chemosphere.2021.131125] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 06/02/2021] [Accepted: 06/03/2021] [Indexed: 06/13/2023]
Abstract
Persistent organic pollutants (POPs) are industrial chemicals with long half-lives. Early life exposure to POPs has been associated with adverse effects. Fetal exposure is typically estimated based on concentrations in maternal serum or placenta and little is known on the actual fetal exposure. We measured the concentrations of nine organochlorine pesticides (OCPs), ten polychlorinated biphenyl (PCB) congeners, and polybrominated diphenyl ether (PBDE) congeners by gas chromatography - tandem mass spectrometry in maternal serum, placenta, and fetal tissues (adipose tissue, liver, heart, lung and brain) in 20 pregnancies that ended in stillbirth (gestational weeks 36-41). The data were combined with our earlier data on perfluoroalkyl substances (PFASs) in the same cohort (Mamsen et al. 2019). HCB, p,p'-DDE, PCB 138 and PCB 153 were quantified in all samples of maternal serum, placenta and fetal tissues. All 22 POPs were detected in all fetal adipose tissue samples, even in cases where they could not be detected in maternal serum or placenta. Tissue:serum ratios were significantly higher in later gestations, male fetuses, and pregnancies with normal placental function. OCPs showed the highest tissue:serum ratios and PFAS the lowest. The highest chemical burden was found in adipose tissue and lowest in the brain. Overall, all studied human fetuses were intrinsically exposed to mixtures of POPs. Tissue:serum ratios were significantly modified by gestational age, fetal sex and placental function. Importantly, more chemicals were detected in fetal tissues compared to maternal serum and placenta, implying that these proxy samples may provide a misleading picture of actual fetal exposures.
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Affiliation(s)
- Richelle D Björvang
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet and Karolinska University Hospital Huddinge, 141 86, Stockholm, Sweden; Swetox, Karolinska Institute, Unit of Toxicology Sciences, 151 36, Södertälje, Sweden.
| | - Marie-Therese Vinnars
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet and Karolinska University Hospital Huddinge, 141 86, Stockholm, Sweden; Division of Obstetrics and Gynecology Örnsköldsviks Hospital, Department of Clinical Sciences, Umeå University, Örnsköldsvik/Umeå, Sweden.
| | - Nikos Papadogiannakis
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet and Karolinska University Hospital Huddinge, 141 83, Stockholm, Sweden.
| | - Sebastian Gidlöf
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet and Karolinska University Hospital Huddinge, 141 86, Stockholm, Sweden; Department of Gynecology and Reproductive Medicine, Karolinska University Hospital, 141 86, Stockholm, Sweden.
| | - Linn Salto Mamsen
- Laboratory of Reproductive Biology, Section 5712, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen and University of Copenhagen, Rigshospitalet, 2100, Copenhagen, Denmark.
| | - Daniel Mucs
- Swetox, Karolinska Institute, Unit of Toxicology Sciences, 151 36, Södertälje, Sweden.
| | - Hannu Kiviranta
- Department of Health Security, Finnish Institute for Health and Welfare, Kuopio, Finland.
| | - Panu Rantakokko
- Department of Health Security, Finnish Institute for Health and Welfare, Kuopio, Finland.
| | - Päivi Ruokojärvi
- Department of Health Security, Finnish Institute for Health and Welfare, Kuopio, Finland.
| | - Christian H Lindh
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 223 61, Lund, Sweden.
| | - Claus Yding Andersen
- Laboratory of Reproductive Biology, Section 5712, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen and University of Copenhagen, Rigshospitalet, 2100, Copenhagen, Denmark.
| | - Pauliina Damdimopoulou
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet and Karolinska University Hospital Huddinge, 141 86, Stockholm, Sweden; Swetox, Karolinska Institute, Unit of Toxicology Sciences, 151 36, Södertälje, Sweden.
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Pierozan P, Karlsson O. Differential susceptibility of rat primary neurons and neural stem cells to PFOS and PFOA toxicity. Toxicol Lett 2021; 349:61-68. [PMID: 34126183 DOI: 10.1016/j.toxlet.2021.06.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 11/30/2022]
Abstract
Per and polifluorinated substances (PFAS) are ubiquitous and persistent contaminants. Studies have indicated that fetuses and infants can be exposed to these chemicals in utero and through breastfeeding. Despite this, limited data about their effects on brain development are available. Here, we compared the effects of perfluoroctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) exposure in rat primary neurons and neural stem cells (NSC). Treatment with 1-250 μM of either of these compounds caused no effects on cell viability or proliferation in primary neurons, while PFOS exposure increased the NSC proliferation already at the lowest concentration tested (1-100 μM). Further analysis showed that both PFOS and PFOA caused morphological alterations of NSC-derived neurons. The neurons derived from NSC treated with either of the PFAS demonstrated a decrease in cell body area. Exposure to 1 and 10 μM PFOA also affected the neurite network and caused an increase in the number of processes and branches per cell. None of the PFAS caused morphological alterations in primary neurons. These data suggest that NSC, mimicking the immature brain, is clearly more susceptible to PFOS and PFOA exposure than the primary neurons. The PFAS-induced alterations in NSC may be related to neurobehavioral alterations observed in rodents developmentally exposed to these compounds, and show the importance to consider the effects of these compounds on human brain development and disease.
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Affiliation(s)
- Paula Pierozan
- Science for Life Laboratory, Department of Environmental Science, Stockholm University, Stockholm, 114 18, Sweden.
| | - Oskar Karlsson
- Science for Life Laboratory, Department of Environmental Science, Stockholm University, Stockholm, 114 18, Sweden
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Liberatori G, Cotugno P, Sturba L, Vannuccini ML, Capasso G, Velardo R, Besselink H, Massari F, Tursi A, Corbelli V, Behnisch PA, Corsi I. Occurrence and spatial distribution of dioxin and dioxin-like compounds in topsoil of Taranto (Apulia, Italy) by GC-MS analysis and DR-CALUX® bioassay. CHEMOSPHERE 2021; 279:130576. [PMID: 33894519 DOI: 10.1016/j.chemosphere.2021.130576] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 04/02/2021] [Accepted: 04/09/2021] [Indexed: 06/12/2023]
Abstract
The aim of the present study was to assess the occurrence and spatial distribution of PCDD/Fs and dioxin-like compounds in topsoils of Taranto (Apulia Region), one of the most heavily industrialized and contaminated area of Southern Italy. A combined approach of chemical analysis by GC-MS/MS and AhR reporter gene bioassay was applied in a subset of topsoil samples (n = 20) collected in 2017-18 from ten sites embracing three levels of risk (from high to low) in the framework of a large survey inside Taranto municipality. TCDD-BEQs and GC-MS/MS TEQWHO and TEQTHEORETICAL revealed a decreasing trend with the distance from main industrial settings and landfill areas. A strong correlation between TCDD-BEQs and TEQWHO values (R2 = 0.85) and TEQTHEORETICAL (R2 = 0.88) was also found. In 3 out of 10 topsoil investigated, BEQs and TEQWHO/THEORETICAL resulted above Italian National Regulatory Limits for ∑PCDD/Fs in green, private and recreational used soils (10 ng TEQ/kg d.w. D.Lgs 152/2006) and for ∑PCDD/F/dl-PCBs in agricultural and farming soil (6 ng TEQ/kg d.w. D.M. 46/2019). GC-MS/MS pattern revealed the highest prevalence of dl-PCBs in 6 out of 10 sites, followed by PCDFs and PCDDs. Those sites are all located in proximity of main industrial steel and iron ore sinter plant, steel plant's landfills and illegal dumping sites. An update on occurrence and spatial distribution of PCDD/Fs and dl-PCBs contamination of Taranto urban soils was obtained and the DR-CALUX® bioassay was further recommended as a suitable screening tool for environmental and human risk assessment.
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Affiliation(s)
- Giulia Liberatori
- Department of Physical, Earth and Environmental Sciences, University of Siena, Siena, Italy.
| | - Pietro Cotugno
- Department of Biology, University of Bari Aldo Moro, Bari, Italy
| | - Lucrezia Sturba
- Department of Physical, Earth and Environmental Sciences, University of Siena, Siena, Italy
| | - Maria Luisa Vannuccini
- Department of Physical, Earth and Environmental Sciences, University of Siena, Siena, Italy
| | - Gennaro Capasso
- Special Commissioner for Urgent Intervention for Remediation, Environmental Enhancement and Upgrading of Taranto, Taranto, Italy
| | - Raffaele Velardo
- Special Commissioner for Urgent Intervention for Remediation, Environmental Enhancement and Upgrading of Taranto, Taranto, Italy
| | | | - Federica Massari
- Department of Biology, University of Bari Aldo Moro, Bari, Italy
| | - Angelo Tursi
- Department of Biology, University of Bari Aldo Moro, Bari, Italy
| | - Vera Corbelli
- Special Commissioner for Urgent Intervention for Remediation, Environmental Enhancement and Upgrading of Taranto, Taranto, Italy
| | | | - Ilaria Corsi
- Department of Physical, Earth and Environmental Sciences, University of Siena, Siena, Italy
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Tao YR, Zhang YT, Han XY, Zhang L, Jiang LG, Ma Y, Meng LJ, He QL, Liu SZ. Intrauterine exposure to 2,3',4,4',5-pentachlorobiphenyl alters spermatogenesis and testicular DNA methylation levels in F1 male mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 224:112652. [PMID: 34461319 DOI: 10.1016/j.ecoenv.2021.112652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 06/13/2023]
Abstract
Polychlorinated biphenyls (PCBs) are synthetic biphenyl compounds with high toxicity. There are a total of 209 homologs, among which 2,3',4,4',5-pentachlorobiphenyl (PCB118) is one of the dioxin-like PCBs. PCB118 can accumulate in pregnant mice, leading to fetus directly exposure during development. The stage of migration of mouse primordial germ cells ranges from 8.5 to 13.5 days of pregnancy, which is the stage undergoing a genome-wide DNA demethylation process. In this study, the mice were exposed to 20 μg/kg/day and 100 μg/kg/day PCB118 from 8.5 to 13.5 days of pregnancy. During the embryo stage at 18.5 days (E18.5 days), the expression level of DNA methyltransferase 1 (Dnmt1) was reduced in the testes, and the DNA methylation level in mouse testes were also decreased. We found that the seminiferous tubules showed vacuolization and that the sperm deformity rate increased in the treated groups compared with the control group in 7-week-old mice. Because exposure to PCB118 during pregnancy causes damage to the reproductive system of male offspring mice, attention should be devoted to the toxicity transmission of persistent environmental pollutants such as PCBs.
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Affiliation(s)
- Yu-Rong Tao
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Yong-Tao Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China; Shandong First Medical University, Jinan 250062, Shandong, China
| | - Xiao-Ying Han
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Lin Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Li-Gang Jiang
- Infertility Center, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Ying Ma
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Ling-Jiao Meng
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Qi-Long He
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China; National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China.
| | - Shu-Zhen Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China.
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Perinatal effects of persistent organic pollutants on thyroid hormone concentration in placenta and breastmilk. Mol Aspects Med 2021; 87:100988. [PMID: 34238594 DOI: 10.1016/j.mam.2021.100988] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/30/2021] [Accepted: 06/08/2021] [Indexed: 12/18/2022]
Abstract
Thyroid hormones (TH) are known to play a critical role in regulating many biological processes including growth and development, energy homeostasis, thermogenesis, lipolysis and metabolism of cholesterol. Severe TH deficiency especially during fetal development results in cretinism, but can also lead to an imbalance in metabolism with, among others, an alteration in body weight composition. Over the past two decades, increasing evidence has shown that certain persistent organic pollutants (POP) can interfere with the endocrine system. These POP referred to as "endocrine disrupting chemicals" are widely present in the environment and populations are exposed globally. Moreover, epidemiological studies have shown that a particularly sensitive period is the pre- and postnatal time. Indeed, perinatal exposure to such chemicals could lead to the onset diseases in later life. It is known, that, maternal thyroid hormones are transported by the placenta to the fetus from 6 weeks of gestation and it seems that during the first trimester, and part of the second, the fetus is entirely dependent on maternal TH supply for its development. Interferences in the TH-network as a consequence of the exposure to such pollutants could cause variations in TH concentration. Only small changes in maternal thyroid hormone levels in early stages of pregnancy can influence fetal neurological and cardiovascular development, as well as according to recent studies, have effect on childhood body composition. With this review, we will report the most recent and important studies concerning the association between thyroid hormone concentration and POP levels measured during the perinatal period. We will mostly focus on the data recently reported on placenta and breastmilk as main sources for understanding the potential consequences of exposure. The possible link between exposure to pollutants, TH dysregulation and possible adverse outcome will also be briefly discussed. From our literature search, several studies support the hypothesis that pre- and postnatal exposure to different pollutants might play a role in causing variation in thyroid hormone concentration. However, few research papers have so far studied the relationship linking exposure to pollutants, TH concentration and possible health consequences. Therefore, this review highlights the need for further research in this direction.
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Vera-Herrera L, Sadutto D, Picó Y. Non-Occupational Exposure to Pesticides: Experimental Approaches and Analytical Techniques (from 2019). Molecules 2021; 26:3688. [PMID: 34208757 PMCID: PMC8235395 DOI: 10.3390/molecules26123688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/04/2021] [Accepted: 06/07/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Pesticide residues are a threat to the health of the global population, not only to farmers, applicators, and other pesticide professionals. Humans are exposed through various routes such as food, skin, and inhalation. This study summarizes the different methods to assess and/or estimate human exposure to pesticide residues of the global population. METHODS A systematic search was carried out on Scopus and web of science databases of studies on human exposure to pesticide residues since 2019. RESULTS The methods to estimate human health risk can be categorized as direct (determining the exposure through specific biomarkers in human matrices) or indirect (determining the levels in the environment and food and estimating the occurrence). The role that analytical techniques play was analyzed. In both cases, the application of generic solvent extraction and solid-phase extraction (SPE) clean-up, followed by liquid or gas chromatography coupled to mass spectrometry, is decisive. Advances within the analytical techniques have played an unquestionable role. CONCLUSIONS All these studies have contributed to an important advance in the knowledge of analytical techniques for the detection of pesticide levels and the subsequent assessment of nonoccupational human exposure.
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Affiliation(s)
| | | | - Yolanda Picó
- Food and Environmental Safety Research Group of the University of Valencia (SAMA-UV), Desertification Research Centre (CIDE), CSIC-GV-UV, Moncada-Naquera Road km 4.5, Moncada, 46113 Valencia, Spain; (L.V.-H.); (D.S.)
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Zheng G, Schreder E, Dempsey JC, Uding N, Chu V, Andres G, Sathyanarayana S, Salamova A. Per- and Polyfluoroalkyl Substances (PFAS) in Breast Milk: Concerning Trends for Current-Use PFAS. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:7510-7520. [PMID: 33982557 DOI: 10.1021/acs.est.0c06978] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
This is the first study in the last 15 years to analyze per- and polyfluoroalkyl substances (PFAS) in breast milk collected from mothers (n = 50) in the United States, and our findings indicate that both legacy and current-use PFAS now contaminate breast milk, exposing nursing infants. Breast milk was analyzed for 39 PFAS, including 9 short-chain and 30 long-chain compounds, and 16 of these PFAS were detected in 4-100% of the samples. The ∑PFAS concentration in breast milk ranged from 52.0 to 1850 pg/mL with a median concentration of 121 pg/mL. Perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) were the most abundant PFAS in these samples (medians 30.4 and 13.9 pg/mL, respectively). Two short-chain PFAS, including perfluoro-n-hexanoic acid (PFHxA, C6) and perfluoro-n-heptanoic acid (PFHpA, C7), were detected in most of the samples with median concentrations of 9.69 and 6.10 pg/mL, respectively. Analysis of the available breast milk PFAS data from around the world over the period of 1996-2019 showed that while the levels of the phased-out PFOS and PFOA have been declining with halving times of 8.1 and 17 years, respectively, the detection frequencies of current-use short-chain PFAS have been increasing with a doubling time of 4.1 years.
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Affiliation(s)
- Guomao Zheng
- Paul H. O'Neill School of Public and Environmental Affairs Indiana University, Bloomington, Indiana 47405, United States
| | - Erika Schreder
- Toxic-Free Future, Seattle, Washington 98103, United States
| | | | - Nancy Uding
- Toxic-Free Future, Seattle, Washington 98103, United States
| | - Valerie Chu
- Toxic-Free Future, Seattle, Washington 98103, United States
| | - Gabriel Andres
- Toxic-Free Future, Seattle, Washington 98103, United States
| | - Sheela Sathyanarayana
- Department of Pediatrics, University of Washington/Seattle Children's Research Institute, Seattle, Washington 91807, United States
| | - Amina Salamova
- Paul H. O'Neill School of Public and Environmental Affairs Indiana University, Bloomington, Indiana 47405, United States
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Padmanabhan V, Song W, Puttabyatappa M. Praegnatio Perturbatio-Impact of Endocrine-Disrupting Chemicals. Endocr Rev 2021; 42:295-353. [PMID: 33388776 PMCID: PMC8152448 DOI: 10.1210/endrev/bnaa035] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Indexed: 02/07/2023]
Abstract
The burden of adverse pregnancy outcomes such as preterm birth and low birth weight is considerable across the world. Several risk factors for adverse pregnancy outcomes have been identified. One risk factor for adverse pregnancy outcomes receiving considerable attention in recent years is gestational exposure to endocrine-disrupting chemicals (EDCs). Humans are exposed to a multitude of environmental chemicals with known endocrine-disrupting properties, and evidence suggests exposure to these EDCs have the potential to disrupt the maternal-fetal environment culminating in adverse pregnancy and birth outcomes. This review addresses the impact of maternal and fetal exposure to environmental EDCs of natural and man-made chemicals in disrupting the maternal-fetal milieu in human leading to adverse pregnancy and birth outcomes-a risk factor for adult-onset noncommunicable diseases, the role lifestyle and environmental factors play in mitigating or amplifying the effects of EDCs, the underlying mechanisms and mediators involved, and the research directions on which to focus future investigations to help alleviate the adverse effects of EDC exposure.
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Affiliation(s)
| | - Wenhui Song
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan, USA
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Matovu H, Li ZM, Henkelmann B, Bernhöft S, De Angelis M, Schramm KW, Sillanpää M, Kato CD, Ssebugere P. Multiple persistent organic pollutants in mothers' breastmilk: Implications for infant dietary exposure and maternal thyroid hormone homeostasis in Uganda, East Africa. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 770:145262. [PMID: 33513488 DOI: 10.1016/j.scitotenv.2021.145262] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 01/09/2021] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
Persistent organic pollutants (POPs) are ubiquitous contaminants with adverse health effects in the ecosystem. One of such effects is endocrine disruption in humans and wildlife even at background exposure concentrations. This study assessed maternal breastmilk concentrations of POPs; brominated flame retardants (BFRs), polychlorinated biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins/furans (PCDD/Fs), and the potential health risks posed to the nursing infants. We also evaluated the association of these POPs with total 3,3',5-triiodo-L-thyronine (T3), L-thyroxine (T4), and 3,3',5'-triiodo-L-thyronine (rT3) levels measured in human breast milk. Thirty breastmilk samples were collected from Kampala, Uganda between August and December 2018. Hexabromobenzene was not detected while the maximum level of 2,2',4,4',5,5'-hexabrombiphenyl was 64.7 pg/g lw. The median levels of total indicator PCBs, PBDEs, dioxin-like PCBs, and PCDD/Fs in the samples were 159 pg/g lw, 511 pg/g lw, 1.16 pg TEQ/g lw, and 0.4 pg TEQ/g lw, respectively. These levels were lower than those reported in other countries. Owing to their bio accumulative nature, PCBs -81, -169, and ∑PCDD/Fs increased with increase in maternal age. Estimated dietary intakes for dioxin-like PCBs and PCDD/Fs were lower than those reported elsewhere but were higher than the WHO tolerable daily intakes suggesting potential health risks to nursing infants. In adjusted single pollutant models, PCB-126, PCB-169, and ∑PCBTEQ were negatively associated with T3, while 1,2,3,4,5,7,8-HpCDF was positively associated with rT3. Although these associations did not persist in multipollutant models, our findings suggest potential thyroid hormone disruption by POPs in mothers. This may reduce the levels of thyroid hormones transferred from the mother to the neonates and, hence, adversely influence infant growth. A temporal study with a bigger sample size is required to corroborate these findings.
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Affiliation(s)
- Henry Matovu
- Department of Chemistry, Gulu University, P. O. Box 166, Gulu, Uganda; Department of Chemistry, Makerere University, P. O. Box 7062, Kampala, Uganda.
| | - Zhong-Min Li
- Helmholtz Zentrum Muenchen, German National Research Centre for Environmental Health (GmbH), Molecular EXposomics (MEX), Ingolstaedter Landstrasse 1, Neuherberg, Munich, Germany; School of Life Sciences Weihenstephan (Nutrition), Technische Universität München, 85354 Freising, Germany
| | - Bernhard Henkelmann
- Helmholtz Zentrum Muenchen, German National Research Centre for Environmental Health (GmbH), Molecular EXposomics (MEX), Ingolstaedter Landstrasse 1, Neuherberg, Munich, Germany
| | - Silke Bernhöft
- Helmholtz Zentrum Muenchen, German National Research Centre for Environmental Health (GmbH), Molecular EXposomics (MEX), Ingolstaedter Landstrasse 1, Neuherberg, Munich, Germany
| | - Meri De Angelis
- Helmholtz Zentrum Muenchen, German National Research Centre for Environmental Health (GmbH), Molecular EXposomics (MEX), Ingolstaedter Landstrasse 1, Neuherberg, Munich, Germany
| | - Karl-Werner Schramm
- Helmholtz Zentrum Muenchen, German National Research Centre for Environmental Health (GmbH), Molecular EXposomics (MEX), Ingolstaedter Landstrasse 1, Neuherberg, Munich, Germany; TUM, Wissenschaftszentrum Weihenstephan für Ernährung, Landnutzung und Umwelt, Department für Biowissenschaftliche Grundlagen, Weihenstephaner Steig 23, 85350 Freising, Germany
| | - Mika Sillanpää
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam; Faculty of Environment and Chemical Engineering, Duy Tan University, Da Nang 550000, Viet Nam; Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein 2028, South Africa.
| | - Charles Drago Kato
- School of Bio-security, Biotechnical and Laboratory Sciences, College of Veterinary Medicine, Animal Resources and Bio-security, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Patrick Ssebugere
- Department of Chemistry, Makerere University, P. O. Box 7062, Kampala, Uganda.
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Padmanabhan V, Moeller J, Puttabyatappa M. Impact of gestational exposure to endocrine disrupting chemicals on pregnancy and birth outcomes. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2021; 92:279-346. [PMID: 34452689 DOI: 10.1016/bs.apha.2021.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
With the advent of industrialization, humans are exposed to a wide range of environmental chemicals, many with endocrine disrupting potential. As successful maintenance of pregnancy and fetal development are under tight hormonal control, the gestational exposure to environmental endocrine disrupting chemicals (EDC) have the potential to adversely affect the maternal milieu and support to the fetus, fetal developmental trajectory and birth outcomes. This chapter summarizes the impact of exposure to EDCs both individually and as mixtures during pregnancy, the immediate and long-term consequences of such exposures on the mother and fetus, the direct and indirect mechanisms through which they elicit their effects, factors that modify their action, and the research directions to focus future investigations.
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Affiliation(s)
| | - Jacob Moeller
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
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Shao W, Xu J, Xu C, Weng Z, Liu Q, Zhang X, Liang J, Li W, Zhang Y, Jiang Z, Gu A. Early-life perfluorooctanoic acid exposure induces obesity in male offspring and the intervention role of chlorogenic acid. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 272:115974. [PMID: 33218772 DOI: 10.1016/j.envpol.2020.115974] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 10/21/2020] [Accepted: 10/28/2020] [Indexed: 05/28/2023]
Abstract
Perfluorooctanoic acid (PFOA) is an emerging organic pollutant (EOP) hazardous to human health. Effects of maternal PFOA exposure on offspring as well as the underlying mechanisms remain unclear. In this study, ICR mouse models of gestational low PFOA exposure (0.05 mg/kg/day) were established to investigate the roles on metabolic disorders of offspring. Body weight, body composition, hepatic lipid levels, transcriptome and metabolome were analyzed. Expression of genes related to lipid metabolism, inflammasome formation and gut barrier integrity were measured. Furthermore, oral administration of chlorogenic acid (CGA) (100 mg/kg/day) was performed to observe the rescue effect on lipid disorders caused by PFOA exposure. Our findings demonstrated that gestational exposure to PFOA resulted in obesity, hepatic inflammation, disorders of lipid metabolism, and disruption of gut barrier integrity in male offspring. Notably, these adverse effects were attenuated by CGA supplementation. These data suggested that PFOA exposure during early life stage induced potential risks for later onset of obesity and metabolic disorder which could be ameliorated by CGA treatment.
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Affiliation(s)
- Wentao Shao
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China; Center of Gallbladder Disease, Shanghai East Hospital, Institute of Gallstone Disease, Tongji University School of Medicine, Shanghai, China; School of Instrument Science and Engineering, Southeast University, Nanjing, 210096, PR China
| | - Jin Xu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China; Department of Maternal, Child and Adolescent Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Cheng Xu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China
| | - Zhenkun Weng
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China
| | - Qian Liu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China
| | - Xin Zhang
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China
| | - Jingjia Liang
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China
| | - Wenxiang Li
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China
| | - Yi Zhang
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China
| | - Zhaoyan Jiang
- Center of Gallbladder Disease, Shanghai East Hospital, Institute of Gallstone Disease, Tongji University School of Medicine, Shanghai, China
| | - Aihua Gu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China; School of Instrument Science and Engineering, Southeast University, Nanjing, 210096, PR China.
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Dartey E, Ellingsen DG, Berlinger B, Thomassen Y, Odland JØ, Brox J, Nartey VK, Yeboah FA, Huber S. Per- and Polyfluoroalkyl Substances in Human Serum Samples of Selected Populations from Ghana. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18041581. [PMID: 33567483 PMCID: PMC7914835 DOI: 10.3390/ijerph18041581] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/24/2021] [Accepted: 01/27/2021] [Indexed: 02/06/2023]
Abstract
The aims of this study were to assess serum concentrations of per- and polyfluoroalkyl substances (PFASs) in selected populations from Ghana, including workers engaged in the repair of electronic equipment (ERWs), and to elucidate PFAS concentrations in relation to blood mercury concentrations (B-Hg) as a biomarker of seafood consumption. In all, 219 participants were recruited into the study, of which 26 were women and 64 were ERWs. Overall, the PFAS concentrations were low. The most abundant components were perfluorooctane sulfonate (PFOS) and perfluorohexane sulfonic acid (PFHxS). Women had generally lower PFAS concentration than men. The ERWs had statistically significantly higher concentrations of perfluorooctanoate (PFOA), which was associated with the concentration of tin in urine. This could indicate exposure during soldering. The concentration of B-Hg was associated with several of the PFASs such as PFOA, PFOS and perfluoroheptane sulfonate (PFHpS). Additionally, the concentrations of perfluorodecanoic acid (PFDA) and perfluoroundecanoate (PFUnDA) were highly associated with the concentrations of B-Hg. It is noteworthy that the linear isomer of PFHxS was strongly associated with B-Hg while the branched isomers of PFHxS were not. In conclusion, the PFAS concentrations observed in the present study are low compared to other populations previously investigated, which also reflects a lower PFAS exposure within the Ghanaian cohorts. ERWs had significantly higher PFOA concentrations than the other participants. Several PFASs were associated with B-Hg, indicating that seafood consumption may be a source of PFAS exposure.
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Affiliation(s)
- Emmanuel Dartey
- Faculty of Science and Environment Education, University of Education, Winneba, Mampong-Ashanti AM-0030-2291, Ghana
- Correspondence: (E.D.); (D.G.E.); (Y.T.)
| | - Dag G. Ellingsen
- National Institute of Occupational Health, N-0363 Oslo, Norway;
- Correspondence: (E.D.); (D.G.E.); (Y.T.)
| | | | - Yngvar Thomassen
- National Institute of Occupational Health, N-0363 Oslo, Norway;
- Correspondence: (E.D.); (D.G.E.); (Y.T.)
| | - Jon Ø. Odland
- Department of Community Medicine, NTNU, The Norwegian University of Science and Technology, N-7491 Trondheim, Norway;
| | - Jan Brox
- Department of Laboratory Medicine, University Hospital of North Norway, N-9038 Tromsø, Norway; (J.B.); (S.H.)
| | - Vincent K. Nartey
- Department of Chemistry, University of Ghana, Legon, Accra GA-490-6862, Ghana;
| | - Francis A. Yeboah
- Department of Molecular Medicine, School of Medical Sciences, Kwame Nkrumah, University of Science and Technology, Kumasi AK-448-9252, Ghana;
| | - Sandra Huber
- Department of Laboratory Medicine, University Hospital of North Norway, N-9038 Tromsø, Norway; (J.B.); (S.H.)
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Hu L, Luo D, Wang L, Yu M, Zhao S, Wang Y, Mei S, Zhang G. Levels and profiles of persistent organic pollutants in breast milk in China and their potential health risks to breastfed infants: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 753:142028. [PMID: 32906049 DOI: 10.1016/j.scitotenv.2020.142028] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 06/11/2023]
Abstract
Although some persistent organic pollutants (POPs) were prohibited or limited in use several decades ago, they are still frequently detected in the human body. The purpose of this study was to understand the levels and profiles of POPs in breast milk in China and assess their potential health risks among breastfed infants under six months of age. A literature review focused on China was performed for studies published from 2001 to 2020. The POP levels in breast milk along with other important variables were extracted, and then the average individual POP levels in breast milk were estimated. This review summarises the distribution of traditional and new POPs, including polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), legacy brominated flame retardants (BFRs), perfluorinated compounds (PFCs), and chlorinated paraffins (CPs) and reported notably high levels of short-chain chlorinated paraffins and 1,1-dichloro-2,2-bis (p-chlorophenyl) ethylene (p,p'-DDE) in breast milk. Although the levels of traditional POPs generally declined over time, especially p,p'-DDE and beta-hexachlorocyclohexane (β-HCH), women living in coastal areas, urban areas, and southern China still have a high body burden of certain POPs. In the present study, the estimated daily intake (EDI) of POPs through breastfeeding was used to evaluate the health risk for infants by comparing with acceptable levels. The findings suggested that infants born in coastal areas most likely suffered potential health risk from exposure to DDT, and the health risk of hexachlorobenzene (HCB) in infants in most nationwide regions remains a concern. More importantly, the EDI of PCBs for infants exceeds the safe limit on a national scale. Continuous surveillance of PCBs in breast milk is critical to evaluate the potential health effects on humans.
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Affiliation(s)
- Liqin Hu
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Dan Luo
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Limei Wang
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Meng Yu
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Shizhen Zhao
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Youjie Wang
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China; Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Surong Mei
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China.
| | - Gan Zhang
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
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Lu M, Li G, Yang Y, Yu Y. A review on in-vitro oral bioaccessibility of organic pollutants and its application in human exposure assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 752:142001. [PMID: 32892057 DOI: 10.1016/j.scitotenv.2020.142001] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/24/2020] [Accepted: 08/24/2020] [Indexed: 06/11/2023]
Abstract
Generally, human oral exposure assessments of contaminants have not considered the absorption factor in the human gastrointestinal tract, thus overestimating human exposure and associated health risk. Currently, more researchers are adding the absorption factor into human exposure assessment, and bioaccessibility measured by in-vitro methods is generally replacing bioavailability for estimation because of the cheap and rapid determination. However, no single unified in-vitro method is used for bioaccessibility measurement of organic pollutants, although several methods have been developed for these pollutants and have shown good in vitro-in vivo correlation between bioaccessibility and bioavailability. The present review has focused on the development of in-vitro methods, validation of these methods through in-vivo assays, determination of factors influencing bioaccessibility, application of bioaccessibility in human exposure assessment, and the challenges faced. Overall, most in-vitro methods were validated using bioavailability, and better in vitro-in vivo correlations were obtained when absorption sinks were added to the digestion solution to mimic dynamic absorption of organic chemicals by small intestine. Incorporating bioaccessibility into the estimation of human exposure by oral ingestion significantly decreases the estimated exposure dose. However, more investigations on bioaccessibility of hydrophobic organic compounds are urgently needed because many challenges for in-vitro methods remain to be overcome.
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Affiliation(s)
- Meijuan Lu
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Guiying Li
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China; Synergy Innovation Institute of GDUT, Shantou 515041, PR China
| | - Yan Yang
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China; Synergy Innovation Institute of GDUT, Shantou 515041, PR China
| | - Yingxin Yu
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China.
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47
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Zhang X, Cheng X, Lei B, Zhang G, Bi Y, Yu Y. A review of the transplacental transfer of persistent halogenated organic pollutants: Transfer characteristics, influential factors, and mechanisms. ENVIRONMENT INTERNATIONAL 2021; 146:106224. [PMID: 33137703 DOI: 10.1016/j.envint.2020.106224] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 10/15/2020] [Accepted: 10/16/2020] [Indexed: 06/11/2023]
Abstract
Persistent halogenated organic pollutants (HOPs) are a class of toxic chemicals, which may have adverse effects on fetuses via transplacental transfer from their mothers. Here, we review reported internal exposure levels of various HOPs (organochlorinated pesticides, polychlorinated biphenyls, polybrominated diphenyl ethers, short- and medium-chain chlorinated paraffins, and per- and poly-fluoroalkyl substances) in placenta, and both maternal and umbilical cord sera. We also present analyses of the transplacental transfer and placental distribution characteristics of each class of compounds, and discuss effects of several factors on the transfer and accumulation efficiencies of HOPs, as well as the main mechanisms of HOPs' transfer across the placental barrier. Reported compound-specific transplacental transfer efficiencies and distribution efficiencies, expressed as umbilical cord:maternal serum and placental:maternal serum concentration ratios (RCM and RPM, respectively), are summarized. Average published RCM values of the HOPs range from 0.24 to 3.08 (lipid-adjusted) and from 0.04 to 3.1 (based on wet weights), and are highest for perfluoroalkylcarboxylates (PFCAs) and tetrabromobisphenol A. Average published RPM values range from 0.14 to 1.02 (lipid-adjusted) and from 0.30 to 1.4 (based on wet weights). The broad RCM and RPM ranges may reflect effects of various factors, inter alia physicochemical properties of HOPs, metabolic capacities of mothers and fetuses, placental maturity, and differential expression of influx/efflux transporters in the placenta. Generally, HOPs' RCM values decline linearly with molecular size, and are curvilinearly related to solubility. Plasma protein binding affinity and the difference between maternal and fetal metabolic capacities may also affect some HOPs' transfer efficiencies. HOPs' molecular size may be influential. Transplacental transport of HOPs likely occurs mostly through passive diffusion, although influx/efflux transporters expressed on maternal and/or fetal sides of the placenta may also facilitate or hinder their transport. Overall, the review highlights clear gaps in our understanding of mechanisms involved in HOPs' transplacental transport.
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Affiliation(s)
- Xiaolan Zhang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China
| | - Xiaomeng Cheng
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China
| | - Bingli Lei
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China; Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Guoxia Zhang
- Department of Environmental Health, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Yuhao Bi
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China
| | - Yingxin Yu
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China.
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48
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Kuang L, Hou Y, Huang F, Guo A, Deng W, Sun H, Shen L, Lin H, Hong H. Pesticides in human milk collected from Jinhua, China: Levels, influencing factors and health risk assessment. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 205:111331. [PMID: 32977287 DOI: 10.1016/j.ecoenv.2020.111331] [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: 08/10/2020] [Revised: 09/08/2020] [Accepted: 09/10/2020] [Indexed: 06/11/2023]
Abstract
In China, many studies have been carried out on pesticide residues in human milk, yet all of them are on organochlorine pesticides (OCPs) and mostly focused on large, economically developed cities. In this study, 27 pesticides including OCPs, pyrethroid pesticides (PYRs) and organophosphate pesticides (OPPs) in human milk were investigated in Jinhua, an inland and medium sized city in China. Method based on QuEChERS extraction and gas chromatography-mass spectrometer (GC-MS) determination was adopted to analyze the above pesticide residues. The influencing factors as well as the health risks were also evaluated. Results show that PYRs and OPPs in human milk samples were both undetectable. Regarding OCPs, the detection rate of hexachlorobenzene (HCB), β-hexachlorocyclohexane (β-HCH) and p,p'-dichlorodiphenyl-dichloroethylene (p,p'-DDE) were 83.6%, 36.4% and 58.2%, respectively, and their mean value were 29.4, 32.0 and 85.2 ng/g lipid, respectively. p,p'-DDE levels in human milk was significantly (p < 0.05) related to maternal age, but no association was detected between OCPs residues and other factors (living environment, dietary habit, living style, etc.), suggesting that OCPs in human milk in Jinhua were originated from nonspecific source. All estimated daily intake of pesticides (EDIpesticides) by infants were under the guideline suggested by Food and Agriculture Organization (FAO) and China Ministry of Health (CMH). Yet 9% of EDIsHCB and 16% of EDIsHCHs exceeded the guideline recommended by Health Canada. The associations between DDE residues and the delivery way as well as HCBs residues and the birth weight were seemly significant, yet the significance disappeared when consider age or gestational age as a cofounder, indicating that OCPs residue in mother's body in Jinhua has no obvious influence on fetus development and the delivery way.
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Affiliation(s)
- Lihong Kuang
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, PR China
| | - Yizhong Hou
- Jinhua Center for Disease Control and Prevention, Jinhua, 321000, PR China
| | - Fangqu Huang
- Jinhua Center for Disease Control and Prevention, Jinhua, 321000, PR China
| | - Aidi Guo
- Environmental Monitoring Center of Hangzhou, Yuhang District, Hangzhou, 311100, PR China
| | - Wenjing Deng
- Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, N.T., Hong Kong
| | - Hongjie Sun
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, PR China
| | - Liguo Shen
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, PR China
| | - Hongjun Lin
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, PR China
| | - Huachang Hong
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, PR China.
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Ssebugere P, Sillanpää M, Matovu H, Wang Z, Schramm KW, Omwoma S, Wanasolo W, Ngeno EC, Odongo S. Environmental levels and human body burdens of per- and poly-fluoroalkyl substances in Africa: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 739:139913. [PMID: 32540660 DOI: 10.1016/j.scitotenv.2020.139913] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/03/2020] [Accepted: 06/01/2020] [Indexed: 05/20/2023]
Abstract
Per- and polyfluoroalkyl substances (PFASs) are known organic pollutants with adverse health effects on humans and the ecosystem. This paper synthesises literature about the status of the pollutants and their precursors, identifies knowledge gaps and discusses future perspectives on the study of PFASs in Africa. Limited data on PFASs prevalence in Africa is available because there is limited capacity to monitor PFASs in African laboratories. The levels of PFASs in Africa are higher in samples from urban and industrialized areas compared to rural areas. Perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) are the dominant PFASs in human samples from Africa. Levels of PFOS and PFOA in these samples are lower than or comparable to those from industrialized countries. PFOA and PFOS levels in drinking water in Africa are, in some cases, higher than the EPA drinking water guidelines suggesting potential risk to humans. The levels of PFASs in birds' eggs from South Africa are higher, while those in other environmental media from Africa are lower or comparable to those from industrialized countries. Diet influences the pollutant levels in fish, while size and sex affect their accumulation in crocodiles. No bioaccumulation of PFASs in aquatic systems in Africa could be confirmed due to small sample sizes. Reported sources of PFASs in Africa include municipal landfills, inefficient wastewater treatment plants, consumer products containing PFASs, industrial wastewater and urban runoff. Relevant stakeholders need to take serious action to identify and deal with the salient sources of PFASs on the African continent.
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Affiliation(s)
- Patrick Ssebugere
- Department of Chemistry, Makerere University, P.O. Box 7062, Kampala, Uganda.
| | - Mika Sillanpää
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam; Faculty of Environment and Chemical Engineering, Duy Tan University, Da Nang 550000, Viet Nam; School of Civil Engineering and Surveying, Faculty of Health, Engineering and Sciences, University of Southern Queensland, West Street, Toowoomba, 4350, QLD, Australia
| | - Henry Matovu
- Department of Chemistry, Makerere University, P.O. Box 7062, Kampala, Uganda; Department of Chemistry, Gulu University, P. O. Box 166, Gulu, Uganda
| | - Zhanyun Wang
- Institute of Environmental Engineering, ETH Zürich, 8093 Zürich, Switzerland
| | - Karl-Werner Schramm
- Helmholtz Zentrum Müenchen, German National Research Centre for Environmental Health (GmbH), Molecular EXposomics (MEX), Ingolstaedter Landstrasse 1, Neuherberg, Munich, Germany
| | - Solomon Omwoma
- Department of Physical Sciences, Jaramogi Oginga Odinga University of Science and Technology, P. O. Box 210-40601, Bondo, Kenya
| | - William Wanasolo
- Department of Chemistry, Kyambogo University, P.O. Box 1, Kyambogo, Uganda
| | | | - Silver Odongo
- Department of Chemistry, Makerere University, P.O. Box 7062, Kampala, Uganda
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Fernández-Cruz T, Álvarez-Silvares E, Domínguez-Vigo P, Simal-Gándara J, Martínez-Carballo E. Prenatal exposure to organic pollutants in northwestern Spain using non-invasive matrices (placenta and meconium). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 731:138341. [PMID: 32408211 DOI: 10.1016/j.scitotenv.2020.138341] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 03/28/2020] [Accepted: 03/29/2020] [Indexed: 06/11/2023]
Abstract
Human exposure to environmental organic pollutants (OPs) begins in the uterine life period by trans-placental transfer. Epidemiological studies have consistently demonstrated the vulnerability of human fetuses and infants to the effects of OPs because of their rapid growth and organ development, cell differentiation, and immaturity of metabolism. The aim of the present study was to evaluate the prenatal exposure to OPs characterized by different physicochemical properties using non-invasive biological samples (meconium and placenta). A total of 88 placenta and 53 meconium samples were collected in Ourense, a city located in northwestern Spain, at the delivery and after birth from mothers and their infants from the University Hospital of Ourense, respectively. Selective pressurized liquid extraction (SPLE) methodologies were used to determine the targeted OPs in the selected biological samples. Cleanup of extracts was performed by solid-phase extraction (SPE) using EZ-POP cartridges and detection by gas chromatography (GC) coupled to tandem mass spectrometry (QqQ-MS/MS). The targeted OPs were detected with the following mean level total concentration order polycyclic aromatic hydrocarbons (PAHs) > organophosphorus pesticides (OPPs) > non-dioxin like polychlorinated biphenyls (NDLPCBs) > pyrethroids (PYRs) > polybrominated diphenyl ethers (PBDEs) > dioxin like polychlorinated biphenyls (DLPCBs) > organochlorine pesticides (OCPs) for placenta and ΣNDLPCBs > ΣPAHs > ΣOCPs > ΣPYRs > ΣOPPs > ΣDLPCBs > ΣPBDEs for meconium, respectively. Significant correlations (p < .050) between the socio-demographic characteristics of the selected population (mother's parity, age, weight increase during pregnancy, place of living and smoking habits) and log transformed concentration of some of the targeted OPs (OCPs, PBDEs, PYRs, OPPs and PAHs) were detected. The results obtained shown the complementary information given by both biological samples selected. Nevertheless, additional research will be needed to gain an understanding of the trans-placental transfer of OPs, to choose the best biological matrix to evaluate the prenatal exposure to OPs in a correct way and to know their health implications.
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Affiliation(s)
- Tania Fernández-Cruz
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Agri-Food Research and Transfer Cluster (CITACA), Campus da Auga, Faculty of Sciences, University of Vigo, 32004 Ourense, Spain
| | - Esther Álvarez-Silvares
- Obstetrics and Gynecology Department, Complexo Hospitalario Universitario de Ourense, 32005, Spain.
| | - Paula Domínguez-Vigo
- Obstetrics and Gynecology Department, Complexo Hospitalario Universitario de Ourense, 32005, Spain
| | - Jesús Simal-Gándara
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Agri-Food Research and Transfer Cluster (CITACA), Campus da Auga, Faculty of Sciences, University of Vigo, 32004 Ourense, Spain
| | - Elena Martínez-Carballo
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Agri-Food Research and Transfer Cluster (CITACA), Campus da Auga, Faculty of Sciences, University of Vigo, 32004 Ourense, Spain.
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