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Zhang Q, Song W, Wang X, Liu C, Chen S, Li H, Rao Q. Determination of 25 polybrominated diphenyl ethers in Chinese mitten crab ecosystems by gas chromatography-mass spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4700-4709. [PMID: 37675465 DOI: 10.1039/d3ay01123b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
A sensitive and reliable method for determining 25 polybrominated diphenyl ethers (PBDEs) in Chinese mitten crabs and their ecosystems ranging from the growing environment to edible feed by gas chromatography coupled to triple quadrupole mass spectrometry with advanced electron ionization (GC-AEI-MS/MS) was developed and validated. Accelerated solvent extraction (ASE) and liquid-liquid extraction were used to extract solid and water samples, respectively. On the basis of a traditional acid-base silica column, deactivated silica was added and n-hexane elution was used to increase the effect of separation and purification. Two oven temperature programs were applied to achieve good separation of low brominated congeners and increase the sensitivity of high brominated congeners. The method provided good linearity (>0.9996). The recoveries of four matrices were in the range of 82-115% and the method quantification limits (MQLs) in crabs, feed, sediment and water ranged from 0.36-6 pg per g wet weight, 0.69-22.29 pg per g dry weight, 1.02-25.26 pg per g dry weight, and 2.43-40.14 pg L-1, respectively. The proposed method was used for ten samples from two aquatic sites and PBDEs were detected in Chinese mitten crabs, commercial feed and sediment, with the highest in crabs. This analytical technique can be used to monitor the content and the accumulation behavior of PBDEs in Chinese mitten crab ecosystems or other aquaculture systems.
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Affiliation(s)
- Qicai Zhang
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China.
- Shanghai Service Platform of Agro-products Quality and Safety Evaluation Technology, Shanghai, 201106, China
| | - Weiguo Song
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China.
- Shanghai Service Platform of Agro-products Quality and Safety Evaluation Technology, Shanghai, 201106, China
| | - Xianli Wang
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China.
- Shanghai Service Platform of Agro-products Quality and Safety Evaluation Technology, Shanghai, 201106, China
| | - Chengbin Liu
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China.
- Shanghai Service Platform of Agro-products Quality and Safety Evaluation Technology, Shanghai, 201106, China
| | - Shanshan Chen
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China.
- Shanghai Service Platform of Agro-products Quality and Safety Evaluation Technology, Shanghai, 201106, China
| | - Huaxi Li
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China.
- Shanghai Service Platform of Agro-products Quality and Safety Evaluation Technology, Shanghai, 201106, China
| | - Qinxiong Rao
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China.
- Shanghai Service Platform of Agro-products Quality and Safety Evaluation Technology, Shanghai, 201106, China
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Chen L, Yin Q, Xu L, Hua M, Zhang Z, Xu Y, Xia W, Qian H, Hong J, Jin J. Serum polybrominated diphenyl ether exposure and influence factors in blood donors of Wuxi adults from 2013 to 2016. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:63932-63940. [PMID: 37055693 DOI: 10.1007/s11356-023-26802-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 03/30/2023] [Indexed: 04/15/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs) have been used as brominated flame retardants worldwide and are correlated with extensive environmental pollution and human health concerns. This study is aimed at analyzing the concentrations of PBDEs and at evaluating their temporal trends among a population of blood donors (n = 33) over a 4-year period. A total of 132 serum samples were used for PBDE detection. Nine PBDE congeners were quantified in serum samples by gas chromatography with mass spectrometry (GC-MS). The median concentrations of Σ9PBDEs in each year were 33.46, 29.75, 30.85, and 35.02 ng/g lipid, respectively. Most of the PBDE congeners showed a downward trend from 2013 to 2014 and then increased after 2014. No correlations between age and PBDE congener concentrations were observed, while concentrations of each congener and Σ9PBDE were nearly always lower in females than in males, especially in BDE-66, BDE-153, BDE-183, BDE-190, and Σ9PBDE. We also found that the intake of fish, fruit, and eggs in the daily diet was related to the exposure level of PBDEs. Our results suggest that, as deca-BDE is still produced and used in China, diet is an important exposure pathway for PBDEs, and follow-up studies will be required to improve our understanding of the behaviors of PBDE isomers in humans and the exposure levels.
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Affiliation(s)
- Limei Chen
- Department of Environmental Health, The Affiliated Wuxi Center for Disease Control and Prevention of Nanjing Medical University, Wuxi Center for Disease Control and Prevention, Wuxi, China.
- Research Base for Environment and Health in Wuxi, Chinese Center for Disease Control and Prevention, Wuxi, 214023, China.
| | - Qitao Yin
- Wuxi Maternal and Child Health Care Hospital, No. 48, Huaishu Lane, Wuxi, 214002, China
| | - Lu Xu
- Wuxi Blood Center, Wuxi, 214021, China
| | - Minyu Hua
- Wuxi Blood Center, Wuxi, 214021, China
| | | | - Yuqian Xu
- Wuxi Blood Center, Wuxi, 214021, China
| | - Wei Xia
- Wuxi Blood Center, Wuxi, 214021, China
| | | | - Jun Hong
- Wuxi Blood Center, Wuxi, 214021, China
| | - Jun Jin
- College of Life and Environment Sciences, Minzu University of China, Beijing, 100081, China
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Li J, Ma W, Zhao Y, Jin Y, Xiao X, Ge W, Shi H, Zhang Y. Lactational exposure of polybrominated diphenyl ethers and its association with infant developmental measurements. JOURNAL OF HAZARDOUS MATERIALS 2020; 388:122031. [PMID: 31951989 DOI: 10.1016/j.jhazmat.2020.122031] [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: 09/18/2019] [Revised: 12/12/2019] [Accepted: 01/05/2020] [Indexed: 05/06/2023]
Abstract
This study was designed to assess the effect of lactational polybrominated diphenyl ether (PBDE) exposure on early physical development of both healthy and fetal growth restriction (FGR) infants. Z scores of head circumference-for-age (ZHC), length-for-age (ZLEN), weight-for-age (ZWEI) and weight-for-length (ZWFL) were calculated according to the WHO Child Growth Standards. FGR infants had a higher PBDE exposure level and faster growth speed from 42 days to 6 months compared with healthy infants. Exposure of lower brominated BDEs (BDE28∼154) and the sum of 18 BDE congeners (BDE28∼209) negatively associated with ZHC [mean difference estimate (95 % CI): -0.71 (-1.22, -0.22) and -0.81 (-1.31, -0.33)] in FGR boys. Both BDE153 and BDE196 exposure had a significant correlation with ZLEN of boys in FGR group [mean difference estimate (95 % CI): -0.28 (-0.48, -0.07) and -0.52 (-0.91, -0.14)]. Each 10 ng/g lipid increase in the concentrations of BDE154 were respectively associated with 0.16 increase in ZWEI among boys in healthy group. No significant association was found in girls. Lactational PBDE exposure had effects on the early growth of both FGR and healthy infants. The encouragement of breastfeeding should therefore be considered in conjunction with PBDE contamination levels.
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Affiliation(s)
- Jialin Li
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Wenjuan Ma
- School of Nursing and Health Management, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Yingya Zhao
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Yuting Jin
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Xirong Xiao
- Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200032, China
| | - Wenzhen Ge
- Regeneron Pharmaceuticals Inc., Tarrytown, NY, USA
| | - Huijing Shi
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Yunhui Zhang
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China.
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Zhao Y, Song Q, Ge W, Jin Y, Chen S, Zhao Y, Xiao X, Zhang Y. Associations between in utero exposure to polybrominated diphenyl ethers, pathophysiological state of fetal growth and placental DNA methylation changes. ENVIRONMENT INTERNATIONAL 2019; 133:105255. [PMID: 31655276 DOI: 10.1016/j.envint.2019.105255] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 09/24/2019] [Accepted: 10/08/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Polybrominated diphenyl ethers (PBDEs) are environmental chemicals with harmful effects on pregnancy, but their effects on adverse developmental outcomes are not fully understood. The placental DNA methylation is strongly influenced by prenatal environmental factors and has been linked to fetal growth. OBJECTIVE To evaluate the association between in utero PBDEs exposure, placental DNA methylation changes (growth regulatory genes), and pathophysiology of fetal growth (birth outcomes, fetal growth retardation) in a population-based pregnancy cohort study. METHODS This was a nested case-control study within the prospective Wenzhou Birth Cohort including 130 fetal growth retardation (FGR) cases and 130 healthy controls and their mothers recruited from June 2016 to June 2017. FGR was diagnosed based on the comprehensive evaluation of ultrasound results at 24, 28, and 32 weeks of gestation. Neonatal birth measurements were obtained from medical records. Gestational exposure to 19 PBDEs, including 13 lower BDE congeners (BDE-17-190) and 6 higher brominated BDE congeners (BDE-196-209), were determined by gas chromatography tandem mass spectrometry in the umbilical cord blood. Placental DNA methylation changes of one repetitive element (LINE1) and two candidate genes (HSD11B2, IGF2) were characterized by quantitative polymerase chain reaction-pyrosequencing. Multiple linear regression and logistic regression models were used to examine the associations among PBDEs exposure, fetal growth indicators, and DMR (differential methylation region) methylation fractions. Sobel tests were conducted to assess DNA methylation as a mediator in multivariate models. RESULTS After excluding women who withdrew from the study or were lost to follow-up or failed to provide placenta or umbilical cord blood, 249 mother-newborn pairs (124 FGR cases, 125 controls) were included in the final analysis. Elevated BDE-206 (OR: 1.569, 95% CIs: 1.053-2.338), BDE-17-190 (OR: 2.860, 95% CIs: 1.233-6.634), BDE-196-209 (OR: 1.688, 95% CIs: 1.024-2.783) and ∑19PBDEs (OR: 2.387, 95% CIs: 1.220-4.668) concentrations were associated with increased risk of FGR in newborns. FGR birth was also associated with increased DNA methylation of HSD11B2 (OR: 1.145, 95% CIs: 1.032-1.270) and decreased DNA methylation of IGF2 (OR: 0.892, 95% CIs: 0.845-0.941). In addition, BDE-17-190 showed significant associations with DNA methylation of HSD11B2 and IGF2 (β: 1.127, 95% CIs: 0.069-2.186; β: -3.452, 95% CIs: -5.512-1.392), indicating placental DNA methylation changes of HSD11B2 and IGF2 were related to both lower BDE congeners exposure and fetal growth. Further mediation analyses showed that IGF2 methylation mediated about 40% of the effects of BDE-17-190 in umbilical cord blood on neonatal FGR. CONCLUSION We report an inverse association between in utero exposures to PBDEs and fetal growth and provide evidence supporting epigenetic gene plasticity in these associations. Changes in placental DNA methylation might be part of the underlying biological pathway between prenatal PBDEs exposure and adverse fetal growth.
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Affiliation(s)
- Yingya Zhao
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China (Fudan University), China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Qi Song
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China; Division of Health Risk Factors Surveillance and Control, Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China
| | - Wenzhen Ge
- Regeneron Pharmaceuticals Inc., New York, NY, USA
| | - Yuting Jin
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Shangqin Chen
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Yan Zhao
- Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 200042, China
| | - Xirong Xiao
- Obstetrics & Gynecology Hospital, Fudan University, Shanghai 200011, China.
| | - Yunhui Zhang
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China (Fudan University), China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China.
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Andreu V, Picó Y. Pressurized liquid extraction of organic contaminants in environmental and food samples. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.06.038] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Chen L, Wang C, Zhang Y, Zhou Y, Shi R, Cui C, Gao Y, Tian Y. Polybrominated diphenyl ethers in cord blood and perinatal outcomes from Laizhou Wan Birth Cohort, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:20802-20808. [PMID: 29756186 DOI: 10.1007/s11356-018-2158-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Accepted: 04/26/2018] [Indexed: 06/08/2023]
Abstract
We explored whether polybrominated diphenyl ethers (PBDEs) exposed in cord blood could have any potential relationship with perinatal outcomes. Participants were pregnant females (n = 222) who were recruited from a prospective birth cohort (Laizhou Wan Birth Cohort, LWBC) between September 2010 and February 2012. We measured eight PBDE congeners (BDE-28, BDE-47, BDE-85, BDE-99, BDE-100, BDE-153, BDE-154, and BDE-183) in cord serum and examined their relationship with perinatal outcomes. The median levels of BDE-28, BDE-47, BDE-85, BDE-99, BDE-100, BDE-153, BDE-154, and BDE-183 were 2.92, 3.93, 2.29, 7.03, 3.03, 3.14, 1.46, and 2.55 ng/g lipids, respectively. For each log unit increase in BDE-47, BDE-100, and ∑4PBDEs, gestational age increased by 0.70 weeks (95% confidence interval [CI] 0.25, 1.15), 0.48 weeks (95% CI 0.03, 0.94), and 0.73 weeks (95% CI 0.12, 1.34), respectively. We also found that BDE-47 was positively associated with head circumference (β = 0.42, 95% CI 0.00, 0.84). Given that our study area is one of the major brominated flame retardant production areas in China, and the cord PBDEs levels were relatively higher than those reported in most other Asian areas, more studies on the effects of in utero PBDE exposure on fetal growth and child development are warranted.
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Affiliation(s)
- Limei Chen
- Wuxi Medical School, Jiangnan University, Wuxi, China
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China
| | - Caifeng Wang
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China
| | - Yan Zhang
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China
| | - Yijun Zhou
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China
| | - Rong Shi
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China
| | - Chang Cui
- Research Base of Key Laboratory of Surveillance and Early Warning on Infection Disease in China CDC, Shanghai Pudong New Area Center for Disease Control and Prevention, Shanghai, China
| | - Yu Gao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China.
| | - Ying Tian
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China.
- MOE and Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Megson D, Reiner EJ, Jobst KJ, Dorman FL, Robson M, Focant JF. A review of the determination of persistent organic pollutants for environmental forensics investigations. Anal Chim Acta 2016; 941:10-25. [DOI: 10.1016/j.aca.2016.08.027] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 08/15/2016] [Accepted: 08/17/2016] [Indexed: 01/11/2023]
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