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Di Giorgi A, Basile G, Bertola F, Tavoletta F, Busardò FP, Tini A. A green analytical method for the simultaneous determination of 17 perfluoroalkyl substances (PFAS) in human serum and semen by ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). J Pharm Biomed Anal 2024; 246:116203. [PMID: 38759320 DOI: 10.1016/j.jpba.2024.116203] [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: 03/12/2024] [Revised: 04/26/2024] [Accepted: 05/03/2024] [Indexed: 05/19/2024]
Abstract
The ubiquity of perfluoroalkyl substances has raised concerns about the unintended consequences of PFAS exposure on human health. In the present study, an eco-friendly ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was developed for the simultaneous determination of 17 PFAS in human serum and semen samples. QuEChERS salts MgSO4:NaCl 4:1 (w/w) were used for the extraction. The separation of analytes was performed on an ACQUITY BEH C18 column (100 × 2.1 mm, 1.7 μm), using water:methanol 95:5 and methanol as mobile phases A and B, respectively, both containing 2 mM ammonium acetate. Multiple reaction monitoring (MRM) in negative ion mode was used, selecting two transitions for each analyte, except for perfluorobutanoic acid (PFBA) and perfluoropentanoic acid (PFPeA). The analytical method was validated according to the Organization of Scientific Area Committees (OSAC) for Forensic Sciences guidelines and AGREE approach software was used to evaluate the greenness of the method. The developed procedure was applied to the analysis of 10 paired human serum and semen samples, proving the suitability in high throughput laboratories due to the easy preparation and the reduced volume of toxic solvents. Moreover, it allows to perform further investigation on the correlation between serum and semen PFAS concentration, focusing on male reproductive system correlated pathologies, such as male infertility.
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Affiliation(s)
- Alessandro Di Giorgi
- Department of Excellence of Biomedical Science and Public Health, University "Politecnica delle Marche", Ancona, Italy
| | - Giuseppe Basile
- Trauma Unit and Emergency Department, IRCCS Galeazzi Orthopedics Institute, Milano, Italy
| | - Francesco Bertola
- International Society of Doctors for the Environment (ISDE), Vicenza, Italy
| | - Francesco Tavoletta
- Unit of Forensic Toxicology, Department of Anatomical, Histological, Forensic, and Orthopedic Sciences, Università La Sapienza, Roma, Italy
| | - Francesco Paolo Busardò
- Department of Excellence of Biomedical Science and Public Health, University "Politecnica delle Marche", Ancona, Italy.
| | - Anastasio Tini
- Department of Excellence of Biomedical Science and Public Health, University "Politecnica delle Marche", Ancona, Italy
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Eze CG, Okeke ES, Nwankwo CE, Nyaruaba R, Anand U, Okoro OJ, Bontempi E. Emerging contaminants in food matrices: An overview of the occurrence, pathways, impacts and detection techniques of per- and polyfluoroalkyl substances. Toxicol Rep 2024; 12:436-447. [PMID: 38645434 PMCID: PMC11033125 DOI: 10.1016/j.toxrep.2024.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 03/02/2024] [Accepted: 03/27/2024] [Indexed: 04/23/2024] Open
Abstract
Per- and polyfluoroalkyl substances (PFAS) have been used in industrial and consumer applications for ages. The pervasive and persistent nature of PFAS in the environment is a universal concern due to public health risks. Experts acknowledge that exposure to high levels of certain PFAS have consequences, including reduced vaccine efficacy, elevated cholesterol, and increased risk of high blood pressure. While considerable research has been conducted to investigate the presence of PFAS in the environment, the pathways for human exposure through food and food packaging/contact materials (FCM) remain unclear. In this review, we present an exhaustive overview of dietary exposure pathways to PFAS. Also, the mechanism of PFAS migration from FCMs into food and the occurrence of PFAS in certain foods were considered. Further, we present the analytical techniques for PFAS in food and food matrices as well as exposure pathways and human health impacts. Further, recent regulatory actions working to set standards and guidelines for PFAS in food packaging materials were highlighted. Alternative materials being developed and evaluated for their safety and efficacy in food contact applications, offering promising alternatives to PFAS were also considered. Finally, we reported on general considerations and perspectives presently considered.
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Affiliation(s)
- Chukwuebuka Gabriel Eze
- Department of Science Laboratory Technology, Faculty of Physical Sciences, University of Nigeria, Nsukka, Enugu State 410001, Nigeria
- Institute of Biological Environmental and Rural Science Aberystwyth University, Wales, United Kingdom
| | - Emmanuel Sunday Okeke
- Department of Biochemistry, Faculty of Biological Sciences & Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State 410001, Nigeria
- Institute of Environmental Health and Ecological Security, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., Zhenjiang, Jiangsu 212013, China
| | - Chidiebele Emmanuel Nwankwo
- Department of Microbiology, Faculty of Biological Sciences & Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State 410001, Nigeria
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Rd., Zhenjiang, Jiangsu 212013, China
| | - Raphael Nyaruaba
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Uttpal Anand
- CytoGene Research & Development LLP, K-51, UPSIDA Industrial Area, Kursi Road (Lucknow), Dist.– Barabanki, 225001, Uttar Pradesh, India
| | - Onyekwere Joseph Okoro
- Department of Zoology and Environment Biology, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State 410001, Nigeria
| | - Elza Bontempi
- INSTM and INSTM and Chemistry for Technologies Laboratory, University of Brescia, via Branze 38, Brescia 25123, Italy
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Cinzori ME, Pacyga DC, Rosas L, Whalen J, Smith S, Park JS, Geiger SD, Gardiner JC, Braun JM, Schantz SL, Strakovsky RS. Associations of per- and polyfluoroalkyl substances with maternal metabolic and inflammatory biomarkers in early-to-mid-pregnancy. ENVIRONMENTAL RESEARCH 2024; 250:118434. [PMID: 38346483 PMCID: PMC11102845 DOI: 10.1016/j.envres.2024.118434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/02/2024] [Accepted: 02/04/2024] [Indexed: 02/24/2024]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) can disrupt metabolism. Early-to-mid pregnancy is characterized by amplified metabolic processes and inflammation to support maternal adaptations and fetal growth. Thus, we cross-sectionally evaluated whether PFAS are individually and jointly associated with these processes in early-to-mid pregnancy. METHODS Pregnant Illinois women (n = 452) provided fasted blood samples at median 17 weeks gestation. We quantified serum perfluorononanoic (PFNA), perfluorooctane sulfonic (PFOS), perfluorooctanoic (PFOA), methyl-perfluorooctane sulfonamide acetic acid (Me-PFOSA-AcOH), perfluorohexanesulfonic (PFHxS), perfluorodecanoic (PFDeA), and perfluoroundecanoic (PFUdA) acid. Key outcomes were plasma glucose, insulin, C-peptide, insulin-like growth factor 1 (IGF-1), adiponectin, leptin, triglycerides, free fatty acids, total cholesterol, high-density lipoprotein (HDL) cholesterol, C-reactive protein, tumor necrosis factor alpha (TNF-α), monocyte chemoattractant protein-1 (MCP-1), and interleukin 6. We calculated homeostatic model assessment for insulin resistance (HOMA-IR), low-density lipoprotein (LDL) cholesterol, and very low-density lipoprotein (VLDL). We evaluated associations of PFAS with each metabolic/inflammatory biomarker individually using covariate-adjusted linear regression and jointly using quantile-based g-computation. RESULTS In linear regression, all PFAS (except Me-PFOSA-AcOH) were negatively associated with insulin, HOMA-IR, and leptin, whereas all PFAS were positively associated with HDL cholesterol. We also observed negative associations of some PFAS with TNF-α and MCP-1; positive associations with adiponectin and total cholesterol also emerged. Additionally, PFOS was positively, whereas Me-PFOSA-AcOH was negatively, associated with triglycerides and VLDL. Each 25% increase in the PFAS mixture was associated with -31.3% lower insulin (95%CI: -45.8, -12.9), -31.9% lower HOMA-IR (95%CI: -46.4, -13.4), and -9.4% lower leptin (95%CI: -17.3, -0.8), but 7.4% higher HDL cholesterol (95%CI: 4.6, 10.3). For most outcomes, the major contributors to the PFAS mixture often differed compared to single-PFAS analyses. IMPLICATIONS Individual and joint PFAS exposures were associated with markers of maternal metabolism and inflammation in pregnancy. Further investigation is needed to elucidate possible mechanisms and consequences of these findings.
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Affiliation(s)
- Maria E Cinzori
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, 48824, USA; Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, 48824, USA; Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, 48824, USA
| | - Diana C Pacyga
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, 48824, USA; Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, 48824, USA
| | - Libeth Rosas
- The Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana-Champaign, IL, 61801, USA
| | - Jason Whalen
- Michigan Diabetes Research Center Chemistry Laboratory, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Sabrina Smith
- Environmental Chemistry Laboratory, Department of Toxic Substances Control, California Environmental Protection Agency, Berkeley, CA, 94710, USA
| | - June-Soo Park
- Environmental Chemistry Laboratory, Department of Toxic Substances Control, California Environmental Protection Agency, Berkeley, CA, 94710, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, CA 94158, USA
| | - Sarah D Geiger
- The Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana-Champaign, IL, 61801, USA; Department of Kinesiology and Community Health, University of Illinois, Urbana-Champaign, IL 61801, USA
| | - Joseph C Gardiner
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, 48824, USA
| | - Joseph M Braun
- Department of Epidemiology, Brown University, Providence, RI, 02912, USA
| | - Susan L Schantz
- The Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana-Champaign, IL, 61801, USA; Department of Comparative Biosciences, University of Illinois, Urbana-Champaign, IL 61802, USA
| | - Rita S Strakovsky
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, 48824, USA; Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, 48824, USA.
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Liang HW, Koistinen H, Barrett ES, Xun X, Yin Q, Kannan K, Moog NK, Ng C, O’Connor TG, Miller R, Adibi JJ. Associations of Serum Perfluoroalkyl Substances and Placental Human Chorionic Gonadotropin in Early Pregnancy, Measured in the UPSIDE Study in Rochester, New York. ENVIRONMENTAL HEALTH PERSPECTIVES 2024; 132:47008. [PMID: 38625811 PMCID: PMC11020022 DOI: 10.1289/ehp12950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 02/23/2024] [Accepted: 03/18/2024] [Indexed: 04/18/2024]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) are widely detected in pregnant women and associated with adverse outcomes related to impaired placental function. Human chorionic gonadotropin (hCG) is a dimeric glycoprotein hormone that can indicate placental toxicity. OBJECTIVES Our aim was to quantify the association of serum PFAS with placental hCG, measured as an intact molecule (hCG), as free alpha-(hCG α ) and beta-subunits (hCG β ), and as a hyperglycosylated form (h-hCG), and evaluate effect measure modification by social determinants and by fetal sex. METHODS Data were collected from 326 pregnant women enrolled from 2015 to 2019 in the UPSIDE study in Rochester, New York. hCG forms were normalized for gestational age at the time of blood draw in the first trimester [multiple of the median (MoM)]. Seven PFAS were measured in second-trimester maternal serum. Multivariate imputation by chained equations and inverse probability weighting were used to evaluate robustness of linear associations. PFAS mixture effects were estimated by Bayesian kernel machine regression. RESULTS Perfluorohexane sulfonic acid (PFHxS) [hCG β : 0.29 log MoM units per log PFHxS; 95% confidence interval (CI): 0.08, 0.51] and perfluorodecanoic acid (PFDA) (hCG: - 0.09 ; 95% CI: - 0.16 , - 0.02 ) were associated with hCG in the single chemical and mixture analyses. The PFAS mixture was negatively associated with hCG α and positively with hCG β . Subgroup analyses revealed that PFAS associations with hCG differed by maternal race/ethnicity and education. Perfluoropentanoic acid (PFPeA) was associated with hCG β only in Black participants (- 0.23 ; 95% CI: - 0.37 , - 0.09 ) and in participants with high school education or less (- 0.14 ; 95% CI: - 0.26 , - 0.02 ); conversely, perfluorononanoic acid (PFNA) was negatively associated with hCG α only in White participants (- 0.15 ; 95% CI: - 0.27 , - 0.03 ) and with hCG β only in participants with a college education or greater (- 0.19 ; 95% CI: - 0.36 , - 0.01 ). These findings were robust to testing for selection bias, confounding bias, and left truncation bias where PFAS detection frequency was < 100 % . Two associations were negative in male (and null in female) pregnancies: Perfluoroundecanoic acid (PFUnDA) with hCG α , and PFNA with h-hCG. CONCLUSIONS Evidence was strongest for the association between PFHxS and PFDA with hCG in all participants and for PFPeA and PFNA within subgroups defined by social determinants and fetal sex. PFAS mixture associations with hCG α and hCG β differed, suggesting subunit-specific types of toxicity and/or regulation. Future studies will evaluate the biological, clinical and public health significance of these findings. https://doi.org/10.1289/EHP12950.
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Affiliation(s)
- Hai-Wei Liang
- Department of Epidemiology, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania, USA
| | - Hannu Koistinen
- Department of Clinical Chemistry and Haematology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | - Emily S. Barrett
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Piscataway, New Jersey, USA
- Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
| | - Xiaoshuang Xun
- Department of Epidemiology, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania, USA
| | - Qing Yin
- Department of Biostatistics, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania, USA
| | - Kurunthachalam Kannan
- Department of Pediatrics, New York University, New York, USA
- Department of Environmental Medicine, New York University, New York, USA
| | - Nora K. Moog
- Charité – Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Medical Psychology, Berlin, Germany
| | - Carla Ng
- Department of Civil and Environmental Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Thomas G. O’Connor
- Department of Psychiatry, University of Rochester Medical Center, Rochester, New York, USA
- Department of Neuroscience, University of Rochester Medical Center, Rochester, New York, USA
| | - Rich Miller
- Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
| | - Jennifer J. Adibi
- Department of Epidemiology, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania, USA
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Licul-Kucera V, Ragnarsdóttir O, Frömel T, van Wezel AP, Knepper TP, Harrad S, Abou-Elwafa Abdallah M. Interspecies comparison of metabolism of two novel prototype PFAS. CHEMOSPHERE 2024; 351:141237. [PMID: 38242512 DOI: 10.1016/j.chemosphere.2024.141237] [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: 10/18/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 01/21/2024]
Abstract
As a result of proposed global restrictions and regulations on current-use per-and polyfluoroalkyl substances (PFAS), research on possible alternatives is highly required. In this study, phase I in vitro metabolism of two novel prototype PFAS in human and rat was investigated. These prototype chemicals are intended to be safer-by-design and expected to mineralize completely, and thus be less persistent in the environment compared to the PFAS available on the market. Following incubation with rat liver S9 (RL-S9) fractions, two main metabolites per initial substance were produced, namely an alcohol and a short-chain carboxylic acid. While with human liver S9 (HL-S9) fractions, only the short-chain carboxylic acid was detected. Beyond these major metabolites, two and five additional metabolites were identified at very low levels by non-targeted screening for the ether- and thioether-linked prototype chemicals, respectively. Overall, complete mineralization during the in vitro hepatic metabolism of these novel PFAS by HL-S9 and RL-S9 fractions was not observed. The reaction kinetics of the surfactants was determined by using the metabolite formation, rather than the substrate depletion approach. With rat liver enzymes, the formation rates of primary metabolite alcohols were at least two orders of magnitude higher than those of secondary metabolite carboxylic acids. When incubating with human liver enzymes, the formation rates of single metabolite carboxylic acids, were similar or smaller than those experienced in rat. It also indicates that the overall metabolic rate and clearance of surfactants are significantly higher in rat liver than in human liver. The maximum formation rate of the thioether congener exceeded 10-fold that of the ether in humans but were similar in rats. Overall, the results suggest that metabolism of the prototype chemicals followed a similar trend to those reported in studies of fluorotelomer alcohols.
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Affiliation(s)
- Viktória Licul-Kucera
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, Netherlands; Institute for Analytical Research, Hochschulen Fresenius Gem. Trägergesellschaft MbH, Idstein, Germany.
| | - Oddný Ragnarsdóttir
- School of Geography, Earth & Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Tobias Frömel
- Institute for Analytical Research, Hochschulen Fresenius Gem. Trägergesellschaft MbH, Idstein, Germany
| | - Annemarie P van Wezel
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, Netherlands
| | - Thomas P Knepper
- Institute for Analytical Research, Hochschulen Fresenius Gem. Trägergesellschaft MbH, Idstein, Germany
| | - Stuart Harrad
- School of Geography, Earth & Environmental Sciences, University of Birmingham, Birmingham, UK
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Liu B, Lu X, Jiang A, Lv Y, Zhang H, Xu B. Influence of maternal endocrine disrupting chemicals exposure on adverse pregnancy outcomes: A systematic review and meta-analysis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 270:115851. [PMID: 38157800 DOI: 10.1016/j.ecoenv.2023.115851] [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: 09/04/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 01/03/2024]
Abstract
Maternal endocrine disrupting chemicals (EDCs) exposure, the common environmental pollutants, was capable of involving in adverse pregnancy outcomes. However, the evidence of their connection is not consistent. Our goal was to comprehensively explore the risk of EDCs related to adverse pregnancy outcomes. One hundred and one studies were included from two databases before 2023 to explore the association between EDCs and adverse pregnancy outcomes including miscarriage, small for gestational age (SGA), low birth weight (LBW) and preterm birth (PTB). We found that maternal PFASs exposure was positively correlated with PTB (OR:1.13, 95% CI:1.04-1.23), SGA (OR:1.10, 95% CI:1.04-1.16) and miscarriage (OR:1.09, 95% CI:1.00-1.19). The pooled estimates also showed maternal PAEs exposure was linked with PTB (OR:1.16, 95% CI:1.11-1.21), SGA (OR:1.20, 95% CI:1.07-1.35) and miscarriage (OR:1.55, 95% CI:1.33-1.81). In addition, maternal exposure to some specific class of EDCs including PFOS, MBP, MEHP, DEHP, and BPA was associated with PTB. Maternal exposure to PFOS, PFOA, PFHpA was associated with SGA. Maternal exposure to BPA was associated with LBW. Maternal exposure to MMP, MEHP, MEHHP, MEOHP, BPA was associated with miscarriage. Maternal PFASs, PAEs and BPA exposure may increase adverse pregnancy outcomes risk according to our study. However, the limited number of studies on dose-response hampered further explanation for causal association.
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Affiliation(s)
- Bin Liu
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Department of Medical Aspects of Specific Environments, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Xiaoling Lu
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Department of Medical Aspects of Specific Environments, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Antong Jiang
- Department of Medical Aspects of Specific Environments, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Yanming Lv
- Department of Toxicology, School of Public Health, Harbin Medical University, Harbin, China
| | - Hongmei Zhang
- Department of Toxicology, School of Public Health, Harbin Medical University, Harbin, China
| | - Bin Xu
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Department of Medical Aspects of Specific Environments, School of Basic Medicine, Anhui Medical University, Hefei, China.
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Siwakoti RC, Cathey A, Ferguson KK, Hao W, Cantonwine DE, Mukherjee B, McElrath TF, Meeker JD. Prenatal per- and polyfluoroalkyl substances (PFAS) exposure in relation to preterm birth subtypes and size-for-gestational age in the LIFECODES cohort 2006-2008. ENVIRONMENTAL RESEARCH 2023; 237:116967. [PMID: 37634691 PMCID: PMC10913455 DOI: 10.1016/j.envres.2023.116967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/02/2023] [Accepted: 08/22/2023] [Indexed: 08/29/2023]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) are a group of synthetic chemicals widely used in consumer and industrial products. Numerous studies have linked prenatal PFAS exposures to increased risks of adverse pregnancy outcomes such as preterm birth (PTB) and small-for-gestational age (SGA).However, limited evidence is available for the effects of PFAS on PTB subtypes and large-for-gestational age (LGA). OBJECTIVE To examine the associations of PFAS with PTB [overall, placental (pPTB), spontaneous (sPTB)], BW Z-score, and size-for-gestational age (SGA, LGA). METHODS Our nested case-control study included 128 preterm cases and 373 term controls from the LIFECODES cohort between 2006 and 2008 (n = 501). Plasma concentrations of nine PFAS were measured in early pregnancy samples. Logistic regression was used to assess individual PFAS-birth outcome associations, while Bayesian Kernel Machine Regression (BKMR) was used to evaluate the joint effects of all PFAS. Effect modification by fetal sex was examined, and stratified analyses were conducted to obtain fetal sex-specific estimates. RESULTS Compared to term births, the odds of pPTB were higher from an interquartile range increase in perfluorodecanoic acid (PFDA) (OR = 1.60, 95% CI: 1.00-2.56), perfluorononanoic acid (PFNA) (OR = 1.67, 95% CI: 1.06-2.61), and perfluoroundecanoic acid (PFUA) (OR = 1.77, 95% CI: 1.00-3.12), with stronger associations observed in women who delivered males. BKMR analysis identified PFNA as the most important PFAS responsible for pPTB (conditional PIP = 0.78), with increasing ORs at higher percentiles of PFAS mixture. For LGA, positive associations were observed with PFDA and perfluorooctanoic acid in females only, and with PFUA in males only. BKMR analysis showed increasing, but null effects of PFAS mixture on LGA. CONCLUSIONS The effect of prenatal exposure to single and multiple PFAS on PTB and LGA depended on fetal sex. Future studies should strongly consider examining PTB subtypes and sex-specific effects of PFAS on pregnancy outcomes.
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Affiliation(s)
- Ram C Siwakoti
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Amber Cathey
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Kelly K Ferguson
- Epidemiology Branch, Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC, USA
| | - Wei Hao
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA; Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - David E Cantonwine
- Division of Maternal-Fetal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Bhramar Mukherjee
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Thomas F McElrath
- Division of Maternal-Fetal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - John D Meeker
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA.
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8
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Hu Y, Han F, Wang Y, Zhong Y, Zhan J, Liu J. Trimester-specific hemodynamics of per- and polyfluoroalkyl substances and its relation to lipid profile in pregnant women. JOURNAL OF HAZARDOUS MATERIALS 2023; 460:132339. [PMID: 37660622 DOI: 10.1016/j.jhazmat.2023.132339] [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: 05/23/2023] [Revised: 08/02/2023] [Accepted: 08/15/2023] [Indexed: 09/05/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are persistent organic pollutants widely detected in blood from pregnant women, yet limited study evaluated the trimester-specific variance of serum PFAS, and even less is known for the window of vulnerability to lipids metabolism interrupting effects of PFAS during pregnancy. We quantified 16 legacy, 3 emerging PFAS, and lipid biomarkers in 286 serum samples from 118 pregnant women. All target PFAS, except perfluorotridecanoic acid (PFTrDA), in maternal serum showed moderate to low temporal irregular variability across gestation (average intraclass correlation coefficients ≥ 0.57), while the generalized estimating equations showed a significant declining trend in the serum levels during pregnancy (p for trend < 0.05). The decline of 6:2 chlorinated polyfluorinated ether sulfonate in maternal serum was the greatest with a change of - 21.63% from 1st to 2nd trimester, which indicated a possible higher accumulation of this emerging PFAS in fetal compartment. Multiple linear regression, multiple informant model and Bayesian kernel machine regression showed a higher vulnerability in the 1st trimester to effects of PFAS exposure on serum lipids of pregnant women. The results highlighted the importance of the study timing of PFAS exposure during pregnancy.
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Affiliation(s)
- Yao Hu
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Feng Han
- NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), China National Center for Food Safety Risk Assessment, Beijing 100021, China; National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Yuxin Wang
- NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), China National Center for Food Safety Risk Assessment, Beijing 100021, China
| | - Yuxin Zhong
- Department of Pancreatic and Gastric Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China.
| | - Jing Zhan
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Jiaying Liu
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China.
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Licul-Kucera V, Frömel T, Kruså M, van Wezel AP, Knepper TP. Finding a way out? Comprehensive biotransformation study of novel fluorinated surfactants. CHEMOSPHERE 2023; 339:139563. [PMID: 37482315 DOI: 10.1016/j.chemosphere.2023.139563] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/16/2023] [Accepted: 07/17/2023] [Indexed: 07/25/2023]
Abstract
In this study the environmental fate of two novel trifluoromethoxy-substituted surfactants with respectively an ether or thioether linkage were investigated, of which the design aimed for less persistency and complete mineralization. Long-term microbial transformation studies under aerobic conditions in activated sludge-wastewater medium were performed for 126 days. A semi-closed experimental system with a trapping sorbent was selected to avoid losses of possible volatile transformation products (TPs). The changes in the concentration of the surfactants and their expected TPs were monitored by target analysis using liquid chromatography-tandem mass spectrometry. Significant decrease in the concentration of the surfactants was observed over the incubation period. The main detected TPs were short-chained carboxylic acids (CAs), including a CA with two fluorinated carbon atoms representing the last product prior to mineralization. High stability of these CAs and lack in the formation of inorganic fluoride over the incubation time was however observed. Consequently, unequivocal final mineralization of the investigated surfactants could not be confirmed. Regarding the mass balance, the total amount of detected substances achieved only 30-37% of the expected concentration at the end of the incubation time. The reason of the incomplete mass balance should be further investigated.
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Affiliation(s)
- Viktória Licul-Kucera
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, Netherlands; Institute for Analytical Research, Hochschulen Fresenius gem. Trägergesellschaft mbH, Idstein, Germany.
| | - Tobias Frömel
- Institute for Analytical Research, Hochschulen Fresenius gem. Trägergesellschaft mbH, Idstein, Germany
| | - Martin Kruså
- Department of Environmental Science, Stockholm University, Stockholm, Sweden
| | - Annemarie P van Wezel
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, Netherlands
| | - Thomas P Knepper
- Institute for Analytical Research, Hochschulen Fresenius gem. Trägergesellschaft mbH, Idstein, Germany
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10
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Kinkade CW, Rivera-Núñez Z, Thurston SW, Kannan K, Miller RK, Brunner J, Wong E, Groth S, O'Connor TG, Barrett ES. Per- and polyfluoroalkyl substances, gestational weight gain, postpartum weight retention and body composition in the UPSIDE cohort. Environ Health 2023; 22:61. [PMID: 37658449 PMCID: PMC10474772 DOI: 10.1186/s12940-023-01009-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 08/15/2023] [Indexed: 09/03/2023]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) are synthetic chemicals found in drinking water and consumer products, resulting in ubiquitous human exposure. PFAS have been linked to endocrine disruption and altered weight gain across the lifespan. A limited and inconsistent body of research suggests PFAS may impact gestational weight gain (GWG) and postpartum body mass index (BMI), which are important predictors of overall infant and maternal health, respectively. METHODS In the Understanding Pregnancy Signals and Infant Development (UPSIDE/UPSIDE-MOMs) study (n = 243; Rochester, NY), we examined second trimester serum PFAS (PFOS: perfluorooctanesulfonic acid, PFOA: perfluorooctanoic acid, PFNA: perfluorononanoic acid, PFHxS: perfluorohexanesulfonic acid, PFDA: perfluorodecanoic acid) in relation to GWG (kg, and weekly rate of gain) and in the postpartum, weight retention (PPWR (kg) and total body fat percentage (measured by bioelectrical impedance)). We fit multivariable linear regression models examining these outcomes in relation to log-transformed PFAS in the whole cohort as well as stratified by maternal pre-pregnancy BMI (< 25 vs. = > 25 kg/m2), adjusting for demographics and lifestyle factors. We used weighted quantile sum regression to find the combined influence of the 5 PFAS on GWG, PPWR, and body fat percentage. RESULTS PFOA and PFHxS were inversely associated with total GWG (PFOA: ß = -1.54 kg, 95%CI: -2.79, -0.30; rate ß = -0.05 kg/week, 95%CI: -0.09, -0.01; PFHxS: ß = -1.59 kg, 95%CI: -3.39, 0.21; rate ß = -0.05 kg/week, 95%CI: -0.11, 0.01) and PPWR at 6 and 12 months (PFOA 6 months: ß = -2.39 kg, 95%CI: -4.17, -0.61; 12 months: ß = -4.02 kg, 95%CI: -6.58, -1.46; PFHxS 6 months: ß = -2.94 kg, 95%CI: -5.52, -0.35; 12 months: ß = -5.13 kg, 95%CI: -8.34, -1.93). PFOA was additionally associated with lower body fat percentage at 6 and 12 months (ß = -1.75, 95%CI: -3.17, -0.32; ß = -1.64, 95%CI: -3.43, 0.16, respectively) with stronger associations observed in participants with higher pre-pregnancy BMI. The PFAS mixture was inversely associated with weight retention at 12 months (ß = -2.030, 95%CI: -3.486, -0.573) amongst all participants. CONCLUSION PFAS, in particular PFOA and PFHxS, in pregnancy are associated with altered patterns of GWG and postpartum adiposity with potential implications for fetal development and long-term maternal cardiometabolic health.
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Affiliation(s)
- Carolyn W Kinkade
- Environmental and Occupational Sciences Institute, Rutgers University, Piscataway, 170 Frelinghuysen Road, Piscataway, NJ, 08854, USA.
| | - Zorimar Rivera-Núñez
- Environmental and Occupational Sciences Institute, Rutgers University, Piscataway, 170 Frelinghuysen Road, Piscataway, NJ, 08854, USA
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Piscataway, NJ, USA
| | - Sally W Thurston
- Department of Biostatistics and Computational Biology, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
- Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
| | - Kurunthachalam Kannan
- Department of Environmental Medicine, Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA
| | - Richard K Miller
- Obstetrics and Gynecology, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
| | - Jessica Brunner
- Obstetrics and Gynecology, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
- Psychiatry, University of Rochester, Rochester, NY, USA
| | - Eunyoung Wong
- School of Nursing, University of Rochester, Rochester, NY, USA
| | - Susan Groth
- School of Nursing, University of Rochester, Rochester, NY, USA
| | - Thomas G O'Connor
- Obstetrics and Gynecology, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
- Psychiatry, University of Rochester, Rochester, NY, USA
| | - Emily S Barrett
- Environmental and Occupational Sciences Institute, Rutgers University, Piscataway, 170 Frelinghuysen Road, Piscataway, NJ, 08854, USA
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Piscataway, NJ, USA
- Obstetrics and Gynecology, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
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11
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DeLuca NM, Thomas K, Mullikin A, Slover R, Stanek LW, Pilant AN, Cohen Hubal EA. Geographic and demographic variability in serum PFAS concentrations for pregnant women in the United States. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2023; 33:710-724. [PMID: 36697764 PMCID: PMC10541323 DOI: 10.1038/s41370-023-00520-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 01/12/2023] [Accepted: 01/12/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND While major pathways of human PFAS exposure are thought to be drinking water and diet, other pathways and sources have also been shown to contribute to a person's cumulative exposure. However, the degree of contribution of these other sources to PFAS body burdens is still not well understood and occurrence data for PFAS in conssumer products and household materials are sparse. Questionnaire data concordant with biomonitoring may improve understanding of associations between other PFAS exposure pathways and exposure in human populations. OBJECTIVE This study aims to better understand maternal and early-life exposures to PFAS from various potential sources and pathways in the context of household and community level characteristics. METHODS PFAS data from the National Children's Study (NCS) Vanguard Data and Sample Archive Access System were analyzed from serum of 427 pregnant women residing in 7 counties throughout the United States. Location and self-reported questionnaire responses were used to analyze variability in serum concentrations based on demographics, housing characteristics, behaviors, and geography. Spatial mapping analyses incorporated publicly available data to further hypothesize potential sources of exposure in two NCS counties. RESULTS Location was associated with serum concentrations for all PFAS chemicals measured. Questionnaire responses for race/ethnicity, income, education level, number of household members, drinking water source, home age, and fast-food consumption were associated with PFAS levels. Statistical differences were observed between participants with the same questionnaire responses but in different locations. Spatial mapping analyses suggested that participants' proximity to local point sources can overshadow expected trends with demographic information. SIGNIFICANCE By increasing understanding of maternal and early-life PFAS exposures from various potential sources and pathways, as well as highlighting the importance of proximity to potential sources in identifying vulnerable populations and locations, this work reveals environmental justice considerations and contributes to risk management strategies that maximize public health protection. IMPACT This work increases understanding of maternal and early-life PFAS exposures, reveals environmental justice considerations, and contributes to study design and risk management strategies.
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Affiliation(s)
- Nicole M DeLuca
- Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA.
| | - Kent Thomas
- Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Ashley Mullikin
- Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Rachel Slover
- Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Lindsay W Stanek
- Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Andrew N Pilant
- Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Elaine A Cohen Hubal
- Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
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12
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India-Aldana S, Yao M, Midya V, Colicino E, Chatzi L, Chu J, Gennings C, Jones DP, Loos RJF, Setiawan VW, Smith MR, Walker RW, Barupal D, Walker DI, Valvi D. PFAS Exposures and the Human Metabolome: A Systematic Review of Epidemiological Studies. CURRENT POLLUTION REPORTS 2023; 9:510-568. [PMID: 37753190 PMCID: PMC10520990 DOI: 10.1007/s40726-023-00269-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/03/2023] [Indexed: 09/28/2023]
Abstract
Purpose of Review There is a growing interest in understanding the health effects of exposure to per- and polyfluoroalkyl substances (PFAS) through the study of the human metabolome. In this systematic review, we aimed to identify consistent findings between PFAS and metabolomic signatures. We conducted a search matching specific keywords that was independently reviewed by two authors on two databases (EMBASE and PubMed) from their inception through July 19, 2022 following PRISMA guidelines. Recent Findings We identified a total of 28 eligible observational studies that evaluated the associations between 31 different PFAS exposures and metabolomics in humans. The most common exposure evaluated was legacy long-chain PFAS. Population sample sizes ranged from 40 to 1,105 participants at different stages across the lifespan. A total of 19 studies used a non-targeted metabolomics approach, 7 used targeted approaches, and 2 included both. The majority of studies were cross-sectional (n = 25), including four with prospective analyses of PFAS measured prior to metabolomics. Summary Most frequently reported associations across studies were observed between PFAS and amino acids, fatty acids, glycerophospholipids, glycerolipids, phosphosphingolipids, bile acids, ceramides, purines, and acylcarnitines. Corresponding metabolic pathways were also altered, including lipid, amino acid, carbohydrate, nucleotide, energy metabolism, glycan biosynthesis and metabolism, and metabolism of cofactors and vitamins. We found consistent evidence across studies indicating PFAS-induced alterations in lipid and amino acid metabolites, which may be involved in energy and cell membrane disruption.
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Affiliation(s)
- Sandra India-Aldana
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
| | - Meizhen Yao
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
| | - Vishal Midya
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
| | - Elena Colicino
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
| | - Leda Chatzi
- Department of Population and Public Health Sciences, Keck
School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Jaime Chu
- Department of Pediatrics, Icahn School of Medicine at Mount
Sinai, New York, NY, USA
| | - Chris Gennings
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
| | - Dean P. Jones
- Clinical Biomarkers Laboratory, Division of Pulmonary,
Allergy, Critical Care and Sleep Medicine, Emory University, Atlanta, GA, USA
| | - Ruth J. F. Loos
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
- Charles Bronfman Institute for Personalized Medicine, Icahn
School of Medicine at Mount Sinai, New York, NY, USA
- Faculty of Health and Medical Sciences, Novo Nordisk
Foundation Center for Basic Metabolic Research, University of Copenhagen,
Copenhagen, Denmark
| | - Veronica W. Setiawan
- Department of Population and Public Health Sciences, Keck
School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Mathew Ryan Smith
- Clinical Biomarkers Laboratory, Division of Pulmonary,
Allergy, Critical Care and Sleep Medicine, Emory University, Atlanta, GA, USA
- Veterans Affairs Medical Center, Decatur, GA, USA
| | - Ryan W. Walker
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
| | - Dinesh Barupal
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
| | - Douglas I. Walker
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
| | - Damaskini Valvi
- Department of Environmental Medicine and Public Health,
Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New
York, NY 10029, USA
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13
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Hu CY, Qiao JC, Gui SY, Xu KX, Dzhambov AM, Zhang XJ. Perfluoroalkyl and polyfluoroalkyl substances and hypertensive disorders of pregnancy: A systematic review and meta-analysis. ENVIRONMENTAL RESEARCH 2023; 231:116064. [PMID: 37178750 DOI: 10.1016/j.envres.2023.116064] [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: 02/22/2023] [Revised: 04/22/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023]
Abstract
Hypertensive disorders of pregnancy (HDP), including gestational hypertension (GH) and preeclampsia (PE), cause significant morbidity and mortality among pregnant women. Several environmental toxins, particularly those that affect the normal function of the placenta and the endothelium, are emerging as potential risk factors for HDP. Among them, per- and polyfluoroalkyl substances (PFAS), widely used in a variety of commercial products, have been related to a variety of adverse health effects including HDP. This study was conducted by searching three databases for observational studies reporting associations between PFAS and HDP, all of which were published before December 2022. We used random-effects meta-analysis to calculate pooled risk estimates, and assessing each combination of exposure and outcome for quality and level of evidence. In total, 15 studies were included in the systematic review and meta-analysis. The results from meta-analyses showed that risk of PE was increased with exposure to PFOA (perfluorooctanoic acid) (RR = 1.39, 95% CI = 1.05, 1.85; N = 6 studies; exposure = 1 ln-unit increment; low certainty), PFOS (perfluorooctane sulfonate) (RR = 1.51, 95% CI = 1.23, 1.86; N = 6 studies; exposure = 1 ln-unit increment; moderate certainty), and PFHxS (perfluorohexane sulfonate) (RR = 1.39, 95% CI = 1.10, 1.76; N = 6 studies; exposure = 1 ln-unit increment; low certainty). PFOS was also associated with an increased risk of HDP (RR = 1.39, 95% CI = 1.10, 1.76; exposure = 1 ln-unit increment; low certainty). Exposure to legacy PFAS (PFOA, PFOS, PFHxS) is associated with an increased risk of PE, and PFOS is further associated with HDP. In view of the limitations of meta-analysis and quality of evidence, these findings should be interpreted with caution. Further research is required that assesses exposure to multiple PFAS in diverse and well-powered cohorts.
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Affiliation(s)
- Cheng-Yang Hu
- Department of Humanistic Medicine, School of Humanistic Medicine, Anhui Medical University, 81 Meishan Road, Hefei, 230032, China; Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, China
| | - Jian-Chao Qiao
- Department of Clinical Medicine, The Second School of Clinical Medicine, Anhui Medical University, 81 Meishan Road, Hefei, 230032, China
| | - Si-Yu Gui
- Department of Ophthalmology, The Second Affiliated Hospital of Anhui Medical University, 678 Furong Road, Hefei, 230601, China
| | - Ke-Xin Xu
- Department of Clinical Medicine, The Second School of Clinical Medicine, Anhui Medical University, 81 Meishan Road, Hefei, 230032, China
| | - Angel M Dzhambov
- Department of Hygiene, Faculty of Public Health, Medical University of Plovdiv, Plovdiv, Bulgaria, 15A Vassil Aprilov Blvd., Plovdiv, 4002, Bulgaria; Research group "Health and Quality of Life in a Green and Sustainable Environment", SRIPD, Medical University of Plovdiv, Plovdiv, Bulgaria; Institute of Highway Engineering and Transport Planning, Graz University of Technology, Graz, Austria
| | - Xiu-Jun Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, China.
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14
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Zhuchen HY, Wang JY, Liu XS, Shi YW. Research Progress on Neurodevelopmental Toxicity in Offspring after Indirect Exposure to PFASs in Early Life. TOXICS 2023; 11:571. [PMID: 37505537 PMCID: PMC10386615 DOI: 10.3390/toxics11070571] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 06/17/2023] [Accepted: 06/18/2023] [Indexed: 07/29/2023]
Abstract
Per- and polyfluoroalkyl substances (PFASs) are widespread environmental pollutants. There is increasing evidence that PFASs have various adverse health effects, including renal toxicity, metabolic dysfunction, endocrine disruption, and developmental toxicity. PFASs have been found to accumulate in the placenta, and some PFASs can cross the placental barrier and subsequently accumulate in the fetus via the maternal-fetal circulation. An increasing number of studies have shown that early life exposure to PFASs can affect fetal neurodevelopment. This paper reviews the characteristics of indirect exposure to PFASs in early life, the effects on neurodevelopment in offspring, and the possible mechanisms of toxic effects.
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Affiliation(s)
- Huai-Yu Zhuchen
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Jie-Yu Wang
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Xiao-Shan Liu
- Dongguan Key Laboratory of Environmental Medicine, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
| | - Yan-Wei Shi
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Guangzhou 510000, China
- Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
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15
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Beccacece L, Costa F, Pascali JP, Giorgi FM. Cross-Species Transcriptomics Analysis Highlights Conserved Molecular Responses to Per- and Polyfluoroalkyl Substances. TOXICS 2023; 11:567. [PMID: 37505532 PMCID: PMC10385990 DOI: 10.3390/toxics11070567] [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: 06/02/2023] [Revised: 06/25/2023] [Accepted: 06/28/2023] [Indexed: 07/29/2023]
Abstract
In recent decades, per- and polyfluoroalkyl substances (PFASs) have garnered widespread public attention due to their persistence in the environment and detrimental effects on the health of living organisms, spurring the generation of several transcriptome-centered investigations to understand the biological basis of their mechanism. In this study, we collected 2144 publicly available samples from seven distinct animal species to examine the molecular responses to PFAS exposure and to determine if there are conserved responses. Our comparative transcriptional analysis revealed that exposure to PFAS is conserved across different tissues, molecules and species. We identified and reported several genes exhibiting consistent and evolutionarily conserved transcriptional response to PFASs, such as ESR1, HADHA and ID1, as well as several pathways including lipid metabolism, immune response and hormone pathways. This study provides the first evidence that distinct PFAS molecules induce comparable transcriptional changes and affect the same metabolic processes across inter-species borders. Our findings have significant implications for understanding the impact of PFAS exposure on living organisms and the environment. We believe that this study offers a novel perspective on the molecular responses to PFAS exposure and provides a foundation for future research into developing strategies for mitigating the detrimental effects of these substances in the ecosystem.
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Affiliation(s)
- Livia Beccacece
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
| | - Filippo Costa
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
| | - Jennifer Paola Pascali
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, 35121 Padua, Italy
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16
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Taibl KR, Dunlop AL, Barr DB, Li YY, Eick SM, Kannan K, Ryan PB, Schroder M, Rushing B, Fennell T, Chang CJ, Tan Y, Marsit CJ, Jones DP, Liang D. Newborn metabolomic signatures of maternal per- and polyfluoroalkyl substance exposure and reduced length of gestation. Nat Commun 2023; 14:3120. [PMID: 37253729 DOI: 10.1038/s41467-023-38710-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 05/10/2023] [Indexed: 06/01/2023] Open
Abstract
Marginalized populations experience disproportionate rates of preterm birth and early term birth. Exposure to per- and polyfluoroalkyl substances (PFAS) has been reported to reduce length of gestation, but the underlying mechanisms are unknown. In the present study, we characterized the molecular signatures of prenatal PFAS exposure and gestational age at birth outcomes in the newborn dried blood spot metabolome among 267 African American dyads in Atlanta, Georgia between 2016 and 2020. Pregnant people with higher serum perfluorooctanoic acid and perfluorohexane sulfonic acid concentrations had increased odds of an early birth. After false discovery rate correction, the effect of prenatal PFAS exposure on reduced length of gestation was associated with 8 metabolomic pathways and 52 metabolites in newborn dried blood spots, which suggested perturbed tissue neogenesis, neuroendocrine function, and redox homeostasis. These mechanisms explain how prenatal PFAS exposure gives rise to the leading cause of infant death in the United States.
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Affiliation(s)
- Kaitlin R Taibl
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Anne L Dunlop
- Department of Gynecology and Obstetrics, School of Medicine, Emory University, Atlanta, GA, USA.
| | - Dana Boyd Barr
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Yuan-Yuan Li
- Metabolomics and Exposome Laboratory, Nutrition Research Institute, University of North Carolina, Chapel Hill, NC, USA
| | - Stephanie M Eick
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Kurunthachalam Kannan
- Department of Pediatrics, New York University School of Medicine, New York, NY, USA
- Department of Environmental Medicine, New York University School of Medicine, New York, NY, USA
| | - P Barry Ryan
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Madison Schroder
- Metabolomics and Exposome Laboratory, Nutrition Research Institute, University of North Carolina, Chapel Hill, NC, USA
| | - Blake Rushing
- Metabolomics and Exposome Laboratory, Nutrition Research Institute, University of North Carolina, Chapel Hill, NC, USA
| | - Timothy Fennell
- Analytical Chemistry and Pharmaceuticals, RTI International, Research Triangle Park, Durham, NC, USA
| | - Che-Jung Chang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Youran Tan
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Carmen J Marsit
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Dean P Jones
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, School of Medicine, Emory University, Atlanta, GA, USA
| | - Donghai Liang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
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17
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Mahfouz M, Harmouche-Karaki M, Matta J, Mahfouz Y, Salameh P, Younes H, Helou K, Finan R, Abi-Tayeh G, Meslimani M, Moussa G, Chahrour N, Osseiran C, Skaiki F, Narbonne JF. Maternal Serum, Cord and Human Milk Levels of Per- and Polyfluoroalkyl Substances (PFAS), Association with Predictors and Effect on Newborn Anthropometry. TOXICS 2023; 11:toxics11050455. [PMID: 37235269 DOI: 10.3390/toxics11050455] [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: 03/22/2023] [Revised: 04/19/2023] [Accepted: 04/20/2023] [Indexed: 05/28/2023]
Abstract
BACKGROUND The understanding of per- and polyfluoroalkyl substances (PFAS) health effects is rapidly advancing among critical populations. Therefore, the objective of this study was to assess PFAS serum levels among Lebanese pregnant women, cord serum and human milk levels, their determinants, and effects on newborn anthropometry. METHODS We measured concentrations of six PFAS (PFHpA, PFOA, PFHxS, PFOS, PFNA and PFDA) using liquid chromatography MS/MS for 419 participants, of which 269 had sociodemographic, anthropometric, environmental and dietary information. RESULTS The percentage of detection for PFHpA, PFOA, PFHxS and PFOS was 36.3-37.7%. PFOA and PFOS levels (95th percentile) were higher than HBM-I and HBM-II values. While PFAS were not detected in cord serum, five compounds were detected in human milk. Multivariate regression showed that fish/shellfish consumption, vicinity to illegal incineration and higher educational level were associated with an almost twice higher risk of elevated PFHpA, PFOA, PFHxS and PFOS serum levels. Higher PFAS levels in human milk were observed with higher eggs and dairy products consumption, in addition to tap water (preliminary findings). Higher PFHpA was significantly associated with lower newborn weight-for-length Z-score at birth. CONCLUSIONS Findings establish the need for further studies, and urgent action to reduce exposure among subgroups with higher PFAS levels.
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Affiliation(s)
- Maya Mahfouz
- Department of Nutrition, Faculty of Pharmacy, Saint Joseph University of Beirut, Medical Sciences Campus, Damascus Road, P.O. Box 115076, Riad Solh Beirut 1107 2180, Lebanon
| | - Mireille Harmouche-Karaki
- Department of Nutrition, Faculty of Pharmacy, Saint Joseph University of Beirut, Medical Sciences Campus, Damascus Road, P.O. Box 115076, Riad Solh Beirut 1107 2180, Lebanon
| | - Joseph Matta
- Industrial Research Institute, Lebanese University Campus, Hadath Baabda P.O. Box 112806, Lebanon
| | - Yara Mahfouz
- Department of Nutrition, Faculty of Pharmacy, Saint Joseph University of Beirut, Medical Sciences Campus, Damascus Road, P.O. Box 115076, Riad Solh Beirut 1107 2180, Lebanon
| | - Pascale Salameh
- School of Medicine, Lebanese American University, Byblos 1102 2801, Lebanon
| | - Hassan Younes
- Institut Polytechnique UniLaSalle, Collège Santé, Equipe PANASH, Membre de l'ULR 7519, Université d'Artois, 19 Rue Pierre Waguet, 60026 Beauvais, France
| | - Khalil Helou
- Department of Nutrition, Faculty of Pharmacy, Saint Joseph University of Beirut, Medical Sciences Campus, Damascus Road, P.O. Box 115076, Riad Solh Beirut 1107 2180, Lebanon
| | - Ramzi Finan
- Hotel-Dieu de France, Saint Joseph University of Beirut Hospital, Blvd Alfred Naccache, Beirut P.O. Box 166830, Lebanon
| | - Georges Abi-Tayeh
- Hotel-Dieu de France, Saint Joseph University of Beirut Hospital, Blvd Alfred Naccache, Beirut P.O. Box 166830, Lebanon
| | | | - Ghada Moussa
- Department of Obstetrics and Gynecology, Chtoura Hospital, Beqaa, Lebanon
| | - Nada Chahrour
- Department of Obstetrics and Gynecology, SRH University Hospital, Nabatieh, Lebanon
| | - Camille Osseiran
- Department of Obstetrics and Gynecology, Kassab Hospital, Saida, Lebanon
| | - Farouk Skaiki
- Department of Molecular Biology, General Management, Al Karim Medical Laboratories, Saida, Lebanon
| | - Jean-François Narbonne
- Laboratoire de Physico-Toxico Chimie des Systèmes Naturels, University of Bordeaux, CEDEX, 33405 Talence France
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Zhang Y, Mustieles V, Sun Q, Coull B, McElrath T, Rifas-Shiman SL, Martin L, Sun Y, Wang YX, Oken E, Cardenas A, Messerlian C. Association of Early Pregnancy Perfluoroalkyl and Polyfluoroalkyl Substance Exposure With Birth Outcomes. JAMA Netw Open 2023; 6:e2314934. [PMID: 37256622 PMCID: PMC10233420 DOI: 10.1001/jamanetworkopen.2023.14934] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 04/10/2023] [Indexed: 06/01/2023] Open
Abstract
Importance Prenatal perfluoroalkyl and polyfluoroalkyl substances (PFAS) have been linked to adverse birth outcomes. Previous research showed that higher folate concentrations are associated with lower blood PFAS concentrations in adolescents and adults. Further studies are needed to explore whether prenatal folate status mitigates PFAS-related adverse birth outcomes. Objective To examine whether prenatal folate status modifies the negative associations between pregnancy PFAS concentrations, birth weight, and gestational age previously observed in a US cohort. Design, Setting, and Participants In a prospective design, a prebirth cohort of mothers or pregnant women was recruited between April 1999 and November 2002, in Project Viva, a study conducted in eastern Massachusetts. Statistical analyses were performed from May 24 and October 25, 2022. Exposure Plasma concentrations of 6 PFAS compounds were measured in early pregnancy (median gestational week, 9.6). Folate status was assessed through a food frequency questionnaire and measured in plasma samples collected in early pregnancy. Main Outcomes and Measures Birth weight and gestational age, abstracted from delivery records; birth weight z score, standardized by gestational age and infant sex; low birth weight, defined as birth weight less than 2500 g; and preterm birth, defined as birth at less than 37 completed gestational weeks. Results The cohort included a total of 1400 mother-singleton pairs. The mean (SD) age of the mothers was 32.21 (4.89) years. Most of the mothers were White (73.2%) and had a college degree or higher (69.1%). Early pregnancy plasma perfluorooctanoic acid concentration was associated with lower birth weight and birth weight z score only among mothers whose dietary folate intake (birth weight: β, -89.13 g; 95% CI, -166.84 to -11.42 g; birth weight z score: -0.13; 95% CI, -0.26 to -0.003) or plasma folate concentration (birth weight: -87.03 g; 95% CI, -180.11 to 6.05 g; birth weight z score: -0.14; 95% CI, -0.30 to 0.02) were below the 25th percentile (dietary: 660 μg/d, plasma: 14 ng/mL). No associations were found among mothers in the higher folate level groups, although the tests for heterogeneity did not reject the null. Associations between plasma perfluorooctane sulfonic acid and perfluorononanoate (PFNA) concentrations and lower birth weight, and between PFNA and earlier gestational age were noted only among mothers whose prenatal dietary folate intake or plasma folate concentration was in the lowest quartile range. No associations were found among mothers in higher folate status quartile groups. Conclusions and Relevance In this large, US prebirth cohort, early pregnancy exposure to select PFAS compounds was associated with adverse birth outcomes only among mothers below the 25th percentile of prenatal dietary or plasma folate levels.
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Affiliation(s)
- Yu Zhang
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Vicente Mustieles
- University of Granada, Center for Biomedical Research, Instituto de Investigación Biosanitaria Ibs, Consortium for Biomedical Research in Epidemiology and Public Health Grenada, Spain
| | - Qi Sun
- Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Brent Coull
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Thomas McElrath
- Harvard Medical School, Boston, Massachusetts
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Sheryl L. Rifas-Shiman
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts
| | - Leah Martin
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Yang Sun
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Yi-Xin Wang
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Emily Oken
- Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts
| | - Andres Cardenas
- Department of Epidemiology and Population Health, Stanford University, Stanford, California
| | - Carmen Messerlian
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital Fertility Center, Boston
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19
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Wen ZJ, Wei YJ, Zhang YF, Zhang YF. A review of cardiovascular effects and underlying mechanisms of legacy and emerging per- and polyfluoroalkyl substances (PFAS). Arch Toxicol 2023; 97:1195-1245. [PMID: 36947184 DOI: 10.1007/s00204-023-03477-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/02/2023] [Indexed: 03/23/2023]
Abstract
Cardiovascular disease (CVD) poses the leading threats to human health and life, and their occurrence and severity are associated with exposure to environmental pollutants. Per- and polyfluoroalkyl substances (PFAS), a group of widely used industrial chemicals, are characterized by persistence, long-distance migration, bioaccumulation, and toxicity. Some PFAS, particularly perfluorooctane sulfonic acid (PFOS), perfluorooctanoic acid (PFOA) and perfluorohexanesulfonic acid (PFHxS), have been banned, leaving only legacy exposure to the environment and human body, while a number of novel PFAS alternatives have emerged and raised concerns, such as polyfluoroalkyl ether sulfonic and carboxylic acid (PFESA and PFECA) and sodium p-perfluorous nonenoxybenzene sulfonate (OBS). Overall, this review systematically elucidated the adverse cardiovascular (CV) effects of legacy and emerging PFAS, emphasized the dose/concentration-dependent, time-dependent, carbon chain length-dependent, sex-specific, and coexposure effects, and discussed the underlying mechanisms and possible prevention and treatment. Extensive epidemiological and laboratory evidence suggests that accumulated serum levels of legacy PFAS possibly contribute to an increased risk of CVD and its subclinical course, such as cardiac toxicity, vascular disorder, hypertension, and dyslipidemia. The underlying biological mechanisms may include oxidative stress, signaling pathway disturbance, lipid metabolism disturbance, and so on. Various emerging alternatives to PFAS also play increasingly prominent toxic roles in CV outcomes that are milder, similar to, or more severe than legacy PFAS. Future research is recommended to conduct more in-depth CV toxicity assessments of legacy and emerging PFAS and explore more effective surveillance, prevention, and treatment strategies, accordingly.
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Affiliation(s)
- Zeng-Jin Wen
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Yi-Jing Wei
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Yi-Fei Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Yin-Feng Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China.
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20
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Padula AM, Ning X, Bakre S, Barrett ES, Bastain T, Bennett DH, Bloom MS, Breton CV, Dunlop AL, Eick SM, Ferrara A, Fleisch A, Geiger S, Goin DE, Kannan K, Karagas MR, Korrick S, Meeker JD, Morello-Frosch R, O’Connor TG, Oken E, Robinson M, Romano ME, Schantz SL, Schmidt RJ, Starling AP, Zhu Y, Hamra GB, Woodruff TJ. Birth Outcomes in Relation to Prenatal Exposure to Per- and Polyfluoroalkyl Substances and Stress in the Environmental Influences on Child Health Outcomes (ECHO) Program. ENVIRONMENTAL HEALTH PERSPECTIVES 2023; 131:37006. [PMID: 36920051 PMCID: PMC10015888 DOI: 10.1289/ehp10723] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/01/2022] [Accepted: 02/06/2023] [Indexed: 05/20/2023]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) are persistent and ubiquitous chemicals associated with risk of adverse birth outcomes. Results of previous studies have been inconsistent. Associations between PFAS and birth outcomes may be affected by psychosocial stress. OBJECTIVES We estimated risk of adverse birth outcomes in relation to prenatal PFAS concentrations and evaluate whether maternal stress modifies those relationships. METHODS We included 3,339 participants from 11 prospective prenatal cohorts in the Environmental influences on the Child Health Outcomes (ECHO) program to estimate the associations of five PFAS and birth outcomes. We stratified by perceived stress scale scores to examine effect modification and used Bayesian Weighted Sums to estimate mixtures of PFAS. RESULTS We observed reduced birth size with increased concentrations of all PFAS. For a 1-unit higher log-normalized exposure to perfluorooctanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS), perfluorononanoic acid (PFNA), and perfluorohexane sulfonic acid (PFHxS), we observed lower birthweight-for-gestational-age z-scores of β = - 0.15 [95% confidence interval (CI): - 0.27 , - 0.03 ], β = - 0.14 (95% CI: - 0.28 , - 0.002 ), β = - 0.22 (95% CI: - 0.23 , - 0.10 ), β = - 0.06 (95% CI: - 0.18 , 0.06), and β = - 0.25 (95% CI: - 0.37 , - 0.14 ), respectively. We observed a lower odds ratio (OR) for large-for-gestational-age: OR PFNA = 0.56 (95% CI: 0.38, 0.83), OR PFDA = 0.52 (95% CI: 0.35, 0.77). For a 1-unit increase in log-normalized concentration of summed PFAS, we observed a lower birthweight-for-gestational-age z-score [- 0.28 ; 95% highest posterior density (HPD): - 0.44 , - 0.14 ] and decreased odds of large-for-gestational-age (OR = 0.49 ; 95% HPD: 0.29, 0.82). Perfluorodecanoic acid (PFDA) explained the highest percentage (40%) of the summed effect in both models. Associations were not modified by maternal perceived stress. DISCUSSION Our large, multi-cohort study of PFAS and adverse birth outcomes found a negative association between prenatal PFAS and birthweight-for-gestational-age, and the associations were not different in groups with high vs. low perceived stress. This study can help inform policy to reduce exposures in the environment and humans. https://doi.org/10.1289/EHP10723.
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Affiliation(s)
- Amy M. Padula
- Program for Reproductive Health and the Environment, Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, San Francisco, California, USA
| | - Xuejuan Ning
- Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Shivani Bakre
- Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Emily S. Barrett
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Environmental and Occupational Health Sciences Institute, Piscataway, New Jersey, USA
| | - Tracy Bastain
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Deborah H. Bennett
- Department of Public Health Sciences, University of California, Davis, Davis, California, USA
| | - Michael S. Bloom
- Department of Global and Community Health, George Mason University, Fairfax, Virginia, USA
| | - Carrie V. Breton
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Anne L. Dunlop
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Stephanie M. Eick
- Program for Reproductive Health and the Environment, Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, San Francisco, California, USA
| | - Assiamira Ferrara
- Division of Research, Kaiser Permanente Northern California, Oakland, California, USA
| | - Abby Fleisch
- Center for Outcomes Research and Evaluation, Maine Medical Center Research Institute, Portland, Maine, USA
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Sarah Geiger
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Champaign, Illinois, USA
| | - Dana E. Goin
- Program for Reproductive Health and the Environment, Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, San Francisco, California, USA
| | - Kurunthachalam Kannan
- Department of Pediatrics and Department of Environmental Medicine, New York University Grossman School of Medicine, New York, New York, USA
| | - Margaret R. Karagas
- Department of Epidemiology, Dartmouth Geisel School of Medicine, Lebanon, New Hampshire, USA
| | - Susan Korrick
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - John D. Meeker
- Department of Environmental Health Sciences, University of Michigan, Ann Arbor, Michigan, USA
| | - Rachel Morello-Frosch
- School of Public Health and Department of Environmental Science, Policy and Management, University of California, Berkeley, Berkeley, California, USA
| | - Thomas G. O’Connor
- Department of Psychiatry, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
| | - Emily Oken
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts, USA
| | - Morgan Robinson
- Department of Pediatrics and Department of Environmental Medicine, New York University Grossman School of Medicine, New York, New York, USA
| | - Megan E. Romano
- Department of Epidemiology, Dartmouth Geisel School of Medicine, Lebanon, New Hampshire, USA
| | - Susan L. Schantz
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Champaign, Illinois, USA
| | - Rebecca J. Schmidt
- Department of Public Health Sciences, University of California, Davis, Davis, California, USA
| | - Anne P. Starling
- Center for Lifecourse Epidemiology of Adiposity and Diabetes, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Yeyi Zhu
- Division of Research, Kaiser Permanente Northern California, Oakland, California, USA
| | - Ghassan B. Hamra
- Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Tracey J. Woodruff
- Program for Reproductive Health and the Environment, Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, San Francisco, California, USA
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21
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Mahmoudnia A. The role of PFAS in unsettling ocean carbon sequestration. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:310. [PMID: 36652110 PMCID: PMC9848026 DOI: 10.1007/s10661-023-10912-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 12/31/2022] [Indexed: 06/17/2023]
Abstract
Poly- and perfluoroalkyl substances (PFAS) and global climate change have attracted worldwide attention. PFAS have been found all across the planet, from the polar regions to the global ocean. Global oceans have emerged as a substantial sink for the carbon in the environment due to their remarkable capacity to absorb atmospheric carbon. Oceans absorb around 24% of the world's CO2 emissions. Thus, the ocean plays a prominent role in the earth's carbon cycle. However, the widespread application of PFAS in a wide range of products and the inefficient management of PFAS-containing wastes made them ubiquitous pollutants, which are increasingly getting as a pollutant of emerging concern. Marine PFAS pollutants can produce harmful effects on gas exchange and the ocean's carbon cycle. Thus, it leads to an increase in greenhouse gas emissions, which eventually adversely affects global warming and climate change. Consequently, threats of marine PFAS to oceans carbon sequestration are discussed in this paper. Marine PFAS pollutants adversely affect the following sectors: (1) The growth and photosynthesis of phytoplankton, (2) development and reproduction of zooplankton by causing toxicity in zooplankton, (3) marine biological pomp, and (4) carbon stock of oceans. In this way, marine PFAS can pose a threat to ocean carbon sequestration. It is expected that this study can develop knowledge about the potential impact of PFAS on ocean carbon sequestration. However, the need for further research to investigate the hidden dimensions of this issue, including the potential scope and scale of this impact, should not be overlooked.
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Affiliation(s)
- Ali Mahmoudnia
- Department of Environmental Engineering, Faculty of Environment, University of Tehran, Tehran, Iran.
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22
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Mwapasa M, Huber S, Chakhame BM, Maluwa A, Odland ML, Röllin H, Choko A, Xu S, Odland JØ. Serum Concentrations of Selected Poly- and Perfluoroalkyl Substances (PFASs) in Pregnant Women and Associations with Birth Outcomes. A Cross-Sectional Study from Southern Malawi. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1689. [PMID: 36767049 PMCID: PMC9914481 DOI: 10.3390/ijerph20031689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
Pervasive exposure to per-and polyfluoroalkyl substances (PFASs) shows associations with adverse pregnancy outcomes. The aim of the present study was to examine the determinants of different serum PFAS concentrations in late pregnancy and their relationship with birth outcomes in southern Malawi. The sample included 605 pregnant women with a mean age of 24.8 years and their offspring from three districts in the southern region of Malawi. Six PFAS were measured in serum from third-trimester women. The serum PFAS concentrations were assessed with head circumference, birth length, birth weight, gestational age and ponderal index. Participants living in urban areas had significantly higher serum levels of PFOA, PFNA and SumPFOS, while SumPFHxS concentrations were higher in women from rural settings. High PFOA, PFNA and SumPFHxS concentrations were generally inversely associated with head circumference. Birth length was negatively associated with PFOA and PFNA while SumPFHxS was negatively associated with birth weight. SumPFOS was inversely associated with gestational age. Urban area of residence was the strongest predictor for high PFAS concentrations in the maternal serum and was generally associated with adverse birth outcomes. The results highlight the need to investigate SumPFHxS further as it follows a pattern that is different to similar compounds and cohorts.
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Affiliation(s)
- Mphatso Mwapasa
- Department of Public Health and Nursing, Norwegian University of Science and Technology, 7491 Trondheim, Norway
- School of Maternal, Neonatal and Reproductive Health, Kamuzu University of Health Sciences, Blantyre 312225, Malawi
| | - Sandra Huber
- Department of Laboratory Medicine, University Hospital of North Norway, 9038 Tromsø, Norway
| | - Bertha Magreta Chakhame
- Department of Public Health and Nursing, Norwegian University of Science and Technology, 7491 Trondheim, Norway
- School of Maternal, Neonatal and Reproductive Health, Kamuzu University of Health Sciences, Blantyre 312225, Malawi
| | - Alfred Maluwa
- Directorate of Research and Outreach, Malawi University of Science and Technology, Thyolo 310106, Malawi
| | - Maria Lisa Odland
- Department of Public Health and Nursing, Norwegian University of Science and Technology, 7491 Trondheim, Norway
- Malawi Liverpool Wellcome Trust Clinical Research Programme, Blantyre 312233, Malawi
| | - Halina Röllin
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0002, South Africa
| | - Augustine Choko
- Malawi Liverpool Wellcome Trust Clinical Research Programme, Blantyre 312233, Malawi
| | - Shanshan Xu
- Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, 5009 Bergen, Norway
| | - Jon Øyvind Odland
- Department of Public Health and Nursing, Norwegian University of Science and Technology, 7491 Trondheim, Norway
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0002, South Africa
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23
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Zhang Y, Chen R, Gao Y, Qu J, Wang Z, Zhao M, Bai X, Jin H. Human serum poly- and perfluoroalkyl substance concentrations and their associations with gestational diabetes mellitus. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 317:120833. [PMID: 36493933 DOI: 10.1016/j.envpol.2022.120833] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 10/23/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Poly- and perfluoroalkyl substances (PFAS), which have been found in high concentrations in maternal serum, have the potential to impair glucose metabolism in pregnant women. However, the effects of PFAS exposure on the risk of gestational diabetes mellitus (GDM) remain inconsistent. In the current investigation, a case-control study involving 135 patients with GDM and 69 controls was conducted in Hangzhou, China. We determined the concentrations of 17 PFAS in maternal serum from each participant and elucidated the associations between those concentrations and the risk of GDM. Among the 17 PFAS, perfluorooctanesulfonate (median 7.53 and 7.44 ng/mL) was the predominant PFAS in both cases and controls, followed by perfluorooctanoic acid (PFOA; median 5.22 and 5.03 ng/mL) and 6:2 chlorinated perfluoroalkyl ether sulfonate (6:2 Cl-PFESA; median 2.58 and 2.42 ng/mL). Conditional logistic regression analysis showed that the maternal serum continuous levels of PFOA, perfluorononanoic acid (PFNA), perfluorohexanesulfonate (PFHxS), and 6:2 Cl-PFESA were significantly associated with the GDM risk, with adjusted odds ratios (ORs) of 1.84 (95% confidence interval (CI): 1.26, 3.51), 1.47 (1.17, 3.29), 1.33 (1.72, 3.48), and 1.34 (1.17, 2.53), respectively. In the adjusted model, the ORs of GDM for increasing tertiles of PFOA, PFNA, PFHxS, and 6:2 Cl-PFESA significantly increased. The adjusted ORs (95% CI) were 3.38 (2.16, 6.89), 2.61 (1.26, 5.40), 3.46 (1.64, 6.30), and 3.50 (1.62, 6.91) at the highest concentrations of PFOA, PFNA, PFHxS, and 6:2 Cl-PFESA, respectively. These results suggest that higher PFAS exposure, reflected in serum PFAS concentrations, was associated with GDM incidence in pregnant women.
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Affiliation(s)
- Yingying Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China.
| | - Rongrong Chen
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Yu Gao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Jianli Qu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Zhengzheng Wang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Meirong Zhao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Xiaoxia Bai
- Department of Obstetrics, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, PR China
| | - Hangbiao Jin
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China.
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Ao Y, Nian M, Tang W, Zhang J, Zhang Q, Ao J. A sensitive and robust method for the simultaneous determination of thirty-three legacy and emerging per- and polyfluoroalkyl substances in human plasma and serum. Anal Bioanal Chem 2023; 415:457-470. [PMID: 36383228 DOI: 10.1007/s00216-022-04426-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/26/2022] [Accepted: 11/03/2022] [Indexed: 11/18/2022]
Abstract
Legacy and emerging per- and polyfluoroalkyl substances (PFAS) have attracted growing attention due to their potential adverse effects on humans. We developed a method to simultaneously determine thirty-three PFAS (legacy PFAS, precursors, and alternatives) in human plasma and serum using solid phase extraction coupled to ultra-performance liquid chromatography-tandem mass spectrometry (SPE-UPLC-MS/MS). The method yielded good linearity (>0.995) and excellent limits of detection (LODs) (0.0005~0.012 ng mL-1 in plasma and 0.002~0.016 ng mL-1 in serum). The relative recoveries ranged from 80.1 to 116%, with intra- and inter-day precision less than 14.3%. The robustness of this method has been tested continuously for 10 months (coefficients of variation <14.9%). Our method was successfully applied to the PFAS analysis of 42 real human plasma and serum samples collected from women. The proposed method is attractive for the biomonitoring of multi-class PFAS in human health risk assessment and epidemiological studies.
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Affiliation(s)
- Yan Ao
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Road, Shanghai, 200092, China
| | - Min Nian
- Department of Environmental Science and Engineering, Fudan University, Shanghai, 200082, China
| | - Weifeng Tang
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Road, Shanghai, 200092, China
| | - Jun Zhang
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Road, Shanghai, 200092, China.,School of Public Health, Shanghai Jiao Tong University, Shanghai, 200025, China
| | - Qianlong Zhang
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Road, Shanghai, 200092, China.
| | - Junjie Ao
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Road, Shanghai, 200092, China.
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25
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Gao X, Wang Y, Chen D, Li J, Zhong Y, Zhao Y, Wu Y. On-line solid phase extraction–ultra high performance liquid chromatography–quadrupole/Orbitrap high resolution mass spectrometry determination of per- and polyfluoroalkyl substances in human serum. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1212:123484. [DOI: 10.1016/j.jchromb.2022.123484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 09/22/2022] [Accepted: 09/27/2022] [Indexed: 11/24/2022]
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26
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Liao Q, Tang P, Song Y, Liu B, Huang H, Liang J, Lin M, Shao Y, Liu S, Pan D, Huang D, Qiu X. Association of single and multiple prefluoroalkyl substances exposure with preterm birth: Results from a Chinese birth cohort study. CHEMOSPHERE 2022; 307:135741. [PMID: 35863418 DOI: 10.1016/j.chemosphere.2022.135741] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 05/12/2023]
Abstract
BACKGROUND Perfluoroalkyl substances (PFASs) are persistent organic pollutants that may lead the adverse birth outcomes, including preterm birth (PTB). However, previous studies have reported inconsistent results on the association between PFASs and PTB, and lack of the epidemiological evidence regarding the effect of PFASs mixture on PTB. This study aimed to explore association of individual and multiple exposure to PFASs with PTB. METHODS The study subjects were consisted of 1341 pregnant women from Guangxi Zhuang Birth Cohort in Guangxi, China, from June 2015 to April 2019. Nine PFASs concentrations in the maternal serum were examined by ultrahigh liquid performance chromatography-tandem mass spectrometry, and the gestational weeks were obtained from medical records. We applied binary logistics regression model to explore correlation between individual PFAS and PTB and inspected the combined effect of PFASs mixture on PTB by applying Bayesian kernel machine regression (BKMR) and weighted quantile sum (WQS) regression models. RESULTS In adjusted logistics regression model, perfluorooctane sulfonate (PFOS), perfluoroheptanoic acid (PFHpA), perfluorobutanesulfonic acid (PFBS), ∑perfluorinated sulfonic acids (PFSA), and ∑PFASs were positively associated with the risk of PTB. In contrast, perfluoroundecanoic acid (PFUnA), perfluorohexane sulfonate (PFHxS), and perfluorooctanoic acid (PFOA) were negatively associated with the risk of PTB. These associations of n PFOS and PFHpA with PTB were found to be more pronounced in male infants. Restricted cubic splines (RCSs) showed an inverse U-shaped relationship between PFBS and PTB. Analysis from BKMR model showed a positive association between PFASs mixture and PTB, and no evidence of interactions among the nine PFASs were detected. Additionally, PFHpA, PFOS, and PFBS were identified as the main contributors for the effect of PFASs mixture on increasing the risk of PTB by BKMR and WQS models. CONCLUSION Prenatal exposure to higher levels of PFASs mixture was associated with higher risk of PTB.
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Affiliation(s)
- Qian Liao
- Department of Epidemiology and Health Statistics, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Peng Tang
- Department of Epidemiology and Health Statistics, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Yanye Song
- The Third Affiliated Hospital of Guangxi Medical University, Nanning, 530031, Guangxi, China
| | - Bihu Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Huishen Huang
- Department of Epidemiology and Health Statistics, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Jun Liang
- Department of Epidemiology and Health Statistics, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Mengrui Lin
- Department of Epidemiology and Health Statistics, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Yantao Shao
- The Third Affiliated Hospital of Guangxi Medical University, Nanning, 530031, Guangxi, China
| | - Shun Liu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Dongxiang Pan
- Department of Epidemiology and Health Statistics, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China.
| | - Dongping Huang
- Department of Sanitary Chemistry, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China.
| | - Xiaoqiang Qiu
- Department of Epidemiology and Health Statistics, School of Public Health, Guangxi Medical University, Nanning, 530021, Guangxi, China.
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27
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Shen C, Ding J, Xu C, Zhang L, Liu S, Tian Y. Perfluoroalkyl Mixture Exposure in Relation to Fetal Growth: Potential Roles of Maternal Characteristics and Associations with Birth Outcomes. TOXICS 2022; 10:650. [PMID: 36355941 PMCID: PMC9695392 DOI: 10.3390/toxics10110650] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/23/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Perfluoroalkyl substances (PFASs) exposure is suggested to interfere with fetal growth. However, limited investigations considered the roles of parity and delivery on PFASs distributions and the joint effects of PFASs mixture on birth outcomes. In this study, 506 birth cohorts were investigated in Hangzhou, China with 14 PFASs measured in maternal serum. Mothers with higher maternal ages who underwent cesarean section were associated with elevated PFASs burden, while parity showed a significant but diverse influence. A logarithmic unit increment in perfluorooctanoic acid (PFOA), perfluorooctane sulfonate (PFOS), and perfluorononane sulfonate (PFNS) was significantly associated with a reduced birth weight of 0.153 kg (95% confidence interval (CI): -0.274, -0.031, p = 0.014), 0.217 kg (95% CI: -0.385, -0.049, p = 0.012), and 0.137 kg (95% CI: -0.270, -0.003, p = 0.044), respectively. Higher perfluoroheptanoic acid (PFHpA) and perfluoroheptane sulphonate (PFHpS) were associated with increased Apgar-1 scores. PFOA (Odds ratio (OR): 2.17, 95% CI: 1.27, 3.71, p = 0.004) and PFNS (OR:1.59, 95% CI: 1.01, 2.50, p = 0.043) were also risk factors to preterm birth. In addition, the quantile-based g-computation showed that PFASs mixture exposure was significantly associated with Apgar-1 (OR: 0.324, 95%CI: 0.068, 0.579, p = 0.013) and preterm birth (OR: 0.356, 95% CI: 0.149, 0.845, p = 0.019). In conclusion, PFASs were widely distributed in the maternal serum, which was influenced by maternal characteristics and significantly associated with several birth outcomes. Further investigation should focus on the placenta transfer and toxicities of PFASs.
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Affiliation(s)
- Chensi Shen
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Jiaxin Ding
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Chenye Xu
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Long Zhang
- Women’s Hospital, Zhejiang University School of Medicine, Hangzhou 310000, China
| | - Shuren Liu
- Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou 310015, China
| | - Yonghong Tian
- Women’s Hospital, Zhejiang University School of Medicine, Hangzhou 310000, China
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Jane L Espartero L, Yamada M, Ford J, Owens G, Prow T, Juhasz A. Health-related toxicity of emerging per- and polyfluoroalkyl substances: Comparison to legacy PFOS and PFOA. ENVIRONMENTAL RESEARCH 2022; 212:113431. [PMID: 35569538 DOI: 10.1016/j.envres.2022.113431] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 04/26/2022] [Accepted: 05/02/2022] [Indexed: 06/15/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are highly persistent, manufactured chemicals used in various manufacturing processes and found in numerous commercial products. With over 9000 compounds belonging to this chemical class, there is increasing concern regarding human exposure to these compounds due to their persistent, bioaccumulative, and toxic nature. Human exposure to PFAS may occur from a variety of exposure sources, including, air, food, indoor dust, soil, water, from the transfer of PFAS from non-stick wrappers to food, use of cosmetics, and other personal care products. This critical review presents recent research on the health-related impacts of PFAS exposure, highlighting compounds other than Perfluorooctanoic acid (PFOA) and Perfluoroctane sulfonate (PFOS) that cause adverse health effects, updates the current state of knowledge on PFAS toxicity, and, where possible, elucidates cause-and-effect relationships. Recent reviews identified that exposure to PFAS was associated with adverse health impacts on female and male fertility, metabolism in pregnancy, endocrine function including pancreatic dysfunction and risk of developing Type 2 diabetes, lipid metabolism and risk of childhood adiposity, hepatic and renal function, immune function, cardiovascular health (atherosclerosis), bone health including risk for dental cavities, osteoporosis, and vitamin D deficiency, neurological function, and risk of developing breast cancer. However, while cause-and-effect relationships for many of these outcomes were not able to be clearly elucidated, it was identified that 1) the evidence derived from both animal models and humans suggested that PFAS may exert harmful impacts on both animals and humans, however extrapolating data from animal to human studies was complicated due to differences in exposure/elimination kinetics, 2) PFAS precursor kinetics and toxicity mechanism data are still limited despite ongoing exposures, and 3) studies in humans, which provide contrasting results require further investigation of the long-term-exposed population to better evaluate the biological toxicity of chronic exposure to PFAS.
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Affiliation(s)
- Lore Jane L Espartero
- Future Industries Institute (FII), University of South Australia, Mawson Lakes, South Australia, Australia
| | - Miko Yamada
- Future Industries Institute (FII), University of South Australia, Mawson Lakes, South Australia, Australia
| | - Judith Ford
- University of Sydney, New South Wales, United Kingdom
| | - Gary Owens
- Future Industries Institute (FII), University of South Australia, Mawson Lakes, South Australia, Australia
| | - Tarl Prow
- Future Industries Institute (FII), University of South Australia, Mawson Lakes, South Australia, Australia; Skin Research Centre, York Biomedical Research Institute, Hull York Medical School, University of York, United Kingdom
| | - Albert Juhasz
- Future Industries Institute (FII), University of South Australia, Mawson Lakes, South Australia, Australia.
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29
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Li J, Li Q, Li J, Zhang Y. Simultaneous determination of poly- and perfluoroalkyl substances and organophosphorus flame retardants in serum by ultra-performance liquid chromatography/tandem mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2022; 36:e9312. [PMID: 35411655 DOI: 10.1002/rcm.9312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 04/10/2022] [Accepted: 04/10/2022] [Indexed: 06/14/2023]
Abstract
RATIONALE Poly- and perfluoroalkyl substances (PFASs) and organophosphorus flame retardants (OPFRs) are two types of emerging organic pollutants with potential human health hazards. Here, a rapid and sensitive method was developed for the determination of sixteen PFASs and seven OPFRs in human serum by ultra-performance liquid chromatography/tandem mass spectrometry (UPLC/MS/MS). METHODS After optimizing the chromatographic and mass spectrometric conditions, respectively, 100 μL of serum sample was liquid-liquid extracted using 8 mL of methyl tert-butyl ether. The 23 targets were quantified within 8 min. All targets were quantified by the isotope-internal standard method in both negative- and positive-ion mode by UPLC/MS/MS. RESULTS The method was validated in terms of sensitivity, linearity, precision, and accuracy. The limit of detection ranged between 0.004 and 0.650 ng/mL. Recoveries ranged from70.0% to 118.9% with a relative standard deviation lower than 20%. The developed method was successfully applied to analyze targeted analytes in human serum samples. A total of 13 of 23 analytes were detected in over 50% of samples. CONCLUSIONS A sensitive and rapid method was developed to quantify sixteen PFASs and seven OPFRs in serum. Sensitivity, linearity, recovery, and precision were validated and found to be satisfactory. This method can be a valuable tool for evaluation of exposure to both PFASs and OPFRs with high separation efficiency and sensitivity.
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Affiliation(s)
- Jinhong Li
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai, China
| | - Qiang Li
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai, China
- Department of Physical and Chemical Detection, Shanghai Putuo District Center for Disease Control and Prevention, Shanghai, China
| | - Jiufeng Li
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai, China
| | - Yunhui Zhang
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai, China
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30
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Zeng G, Zhang Q, Wang X, Wu KH. The relationship between multiple perfluoroalkyl substances and cardiorespiratory fitness in male adolescents. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:53433-53443. [PMID: 35288850 DOI: 10.1007/s11356-022-19685-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 03/08/2022] [Indexed: 06/14/2023]
Abstract
Exposure to perfluoroalkyl substances (PFASs) is associated with a number of adverse health outcomes. However, the relationship between mixed and individual PFAS exposure and cardiorespiratory fitness (CRF) in adolescents remains unclear. We used cross-sectional data from 491 teenagers (aged 13-19 years) from the 2003-2004 National Health and Nutrition Examination Survey (NHANES) and examined the association between mixed PFAS exposure and CRF via weighted quantile sum (WQS) regression. Maximal oxygen consumption (VO2max) was used to evaluate CRF. Multivariate linear regression was performed to investigate the relationship between each PFAS and VO2max as well as the relationship between PFAS exposure and the inflammation parameters and blood lipid content. Mediation analyses were performed to investigate possible explanations of the risk of low CRF due to PFAS exposure. The results showed that for males, mixed PFAS exposure was negatively related to VO2max (beta = - 0.80, 95% CI: - 1.53 to - 0.10, P = 0.028) and that of the PFASs, perfluorononanoic acid (PFNA) had the greatest influence on VO2max. In the individual PFAS analysis, PFNA was negatively related to VO2max in male adolescents (beta = - 1.49, 95% CI: - 2.65 to - 0.32, P = 0.013). Additionally, significant relationships among serum PFNA levels and total cholesterol and the white blood cell (WBC) count were found. Mediation analyses revealed that WBC count accounted for 24.18% of the variation between PFNA level and CRF. The present results provide epidemiological evidence that exposure to PFASs, mainly PFNA, is negatively associated with CRF, possibly via alterations in WBC count.
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Affiliation(s)
- Guowei Zeng
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Qi Zhang
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Xiaowei Wang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Kai-Hong Wu
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
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31
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Yang Z, Liu HY, Yang QY, Chen X, Li W, Leng J, Tang NJ. Associations between exposure to perfluoroalkyl substances and birth outcomes: A meta-analysis. CHEMOSPHERE 2022; 291:132909. [PMID: 34785180 DOI: 10.1016/j.chemosphere.2021.132909] [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: 09/16/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 06/13/2023]
Abstract
Although previous meta-analyses have shown that prenatal PFASs exposure is associated with reduction in birth weight, effects of prenatal PFASs exposure on birth outcomes have not been fully explored. We conducted a meta-analysis of 23 eligible studies searched from Embase, PubMed, and Web of Science before March 21, 2021 to analyze the association between prenatal PFASs exposure and birth outcomes, including premature birth (PTB), low birth weight (LBW), small for gestational age (SGA) and miscarriage. Odds ratio (OR) and corresponding confidence intervals were extracted for analysis. According to the heterogeneity of the included studies, fixed-effects (I2 ≤ 50%) and random-effects (I2 > 50%) models were applied respectively. The significant associations between PFOS and PTB (pooled OR = 1.54, 95% CI: 1.20-1.98), PFOA and miscarriage (pooled OR = 1.40, 95% CI: 1.15-1.70), and PFOS and LBW (pooled OR = 1.52, 95% CI: 1.19-1.94) were obtained. There were differences between included studies with different study regions, sampling time, and samples type used for PFASs assessment. These findings may provide insight in risk assessment and decision-making in producing products that contain PFASs.
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Affiliation(s)
- Ze Yang
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China; Tianjin Key Laboratory of Environment, Nutrition, and Public Health, Tianjin Medical University, Tianjin, 300070, China; Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, 300070, China
| | - Huan-Yu Liu
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China; Tianjin Key Laboratory of Environment, Nutrition, and Public Health, Tianjin Medical University, Tianjin, 300070, China; Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, 300070, China
| | - Qiao-Yun Yang
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China; Tianjin Key Laboratory of Environment, Nutrition, and Public Health, Tianjin Medical University, Tianjin, 300070, China; Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, 300070, China
| | - Xi Chen
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China; Tianjin Key Laboratory of Environment, Nutrition, and Public Health, Tianjin Medical University, Tianjin, 300070, China; Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, 300070, China
| | - Weiqin Li
- Tianjin Women and Children's Health Center, Tianjin, 300070, China
| | - Junhong Leng
- Tianjin Women and Children's Health Center, Tianjin, 300070, China.
| | - Nai-Jun Tang
- Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China; Tianjin Key Laboratory of Environment, Nutrition, and Public Health, Tianjin Medical University, Tianjin, 300070, China; Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, 300070, China.
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Wu Y, Wang J, Wei Y, Chen J, Kang L, Long C, Wu S, Shen L, Wei G. Maternal exposure to endocrine disrupting chemicals (EDCs) and preterm birth: A systematic review, meta-analysis, and meta-regression analysis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 292:118264. [PMID: 34606968 DOI: 10.1016/j.envpol.2021.118264] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 09/26/2021] [Accepted: 09/29/2021] [Indexed: 05/15/2023]
Abstract
Preterm birth is the second most common cause of death in children under 5 years of age. The etiology of preterm birth has not yet been elucidated. Although maternal exposure to endocrine disrupting chemicals (EDCs) may increase the risk for preterm birth, associations have not been confirmed. We performed a meta-analysis to elucidate the relationships between maternal exposure to EDCs and preterm birth. A systematic search of PubMed, Ovid-EMBASE, and the Cochrane Library (CENTRAL) for relevant published studies providing quantitative data on the association between maternal EDC exposure and preterm birth in humans was conducted in July 2021. To calculate the overall estimates, we pooled the adjusted regression coefficients with 95% confidence intervals (CIs) from each study by the inverse variance method. A total of 59 studies were included. The pooled results indicated that maternal exposure to metals (OR, 1.23; 95% CI, 1.17 to 1.29) and phthalates (OR, 1.31; 95% CI, 1.21 to 1.42) was related to an increased risk for preterm birth. Specifically, maternal exposure to lead, cadmium, chromium, copper and manganese appeared to be correlated with an elevated risk for preterm birth. Additionally, maternal exposure to monoethyl phthalate (MEP), mono-2-ethyl-5-carboxypentyl phthalate (MECPP), monobenzyl phthalate (MBzP), and di (2-ethylhexyl) phthalate (DEHP) was also associated with preterm birth. In conclusion, maternal exposure to metals and phthalates may increase the risk for preterm birth based on current evidence.
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Affiliation(s)
- Yuhao Wu
- Department of Urology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorders; International Science and Technology Cooperation Base of Child Development and Critical Disorders; National Clinical Research Center for Child Health and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, China
| | - Junke Wang
- Department of Urology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorders; International Science and Technology Cooperation Base of Child Development and Critical Disorders; National Clinical Research Center for Child Health and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, China
| | - Yuexin Wei
- Department of Urology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorders; International Science and Technology Cooperation Base of Child Development and Critical Disorders; National Clinical Research Center for Child Health and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, China
| | - Jiadong Chen
- Department of Urology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorders; International Science and Technology Cooperation Base of Child Development and Critical Disorders; National Clinical Research Center for Child Health and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, China
| | - Lian Kang
- Department of Urology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorders; International Science and Technology Cooperation Base of Child Development and Critical Disorders; National Clinical Research Center for Child Health and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, China
| | - Chunlan Long
- Department of Urology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorders; International Science and Technology Cooperation Base of Child Development and Critical Disorders; National Clinical Research Center for Child Health and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, China
| | - Shengde Wu
- Department of Urology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorders; International Science and Technology Cooperation Base of Child Development and Critical Disorders; National Clinical Research Center for Child Health and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, China
| | - Lianju Shen
- Department of Urology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorders; International Science and Technology Cooperation Base of Child Development and Critical Disorders; National Clinical Research Center for Child Health and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, China
| | - Guanghui Wei
- Department of Urology, Children's Hospital of Chongqing Medical University; Ministry of Education Key Laboratory of Child Development and Disorders; International Science and Technology Cooperation Base of Child Development and Critical Disorders; National Clinical Research Center for Child Health and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, China.
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33
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Svoboda LK, Ishikawa T, Dolinoy DC. Developmental toxicant exposures and sex-specific effects on epigenetic programming and cardiovascular health across generations. ENVIRONMENTAL EPIGENETICS 2022; 8:dvac017. [PMID: 36325489 PMCID: PMC9600458 DOI: 10.1093/eep/dvac017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 09/12/2022] [Accepted: 10/01/2022] [Indexed: 05/15/2023]
Abstract
Despite substantial strides in diagnosis and treatment, cardiovascular diseases (CVDs) continue to represent the leading cause of death in the USA and around the world, resulting in significant morbidity and loss of productive years of life. It is increasingly evident that environmental exposures during early development can influence CVD risk across the life course. CVDs exhibit marked sexual dimorphism, but how sex interacts with environmental exposures to affect cardiovascular health is a critical and understudied area of environmental health. Emerging evidence suggests that developmental exposures may have multi- and transgenerational effects on cardiovascular health, with potential sex differences; however, further research in this important area is urgently needed. Lead (Pb), phthalate plasticizers, and perfluoroalkyl substances (PFAS) are ubiquitous environmental contaminants with numerous adverse human health effects. Notably, recent evidence suggests that developmental exposure to each of these toxicants has sex-specific effects on cardiovascular outcomes, but the underlying mechanisms, and their effects on future generations, require further investigation. This review article will highlight the role for the developmental environment in influencing cardiovascular health across generations, with a particular emphasis on sex differences and epigenetic mechanisms. In particular, we will focus on the current evidence for adverse multi and transgenerational effects of developmental exposures to Pb, phthalates, and PFAS and highlight areas where further research is needed.
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Affiliation(s)
- Laurie K Svoboda
- *Correspondence address. Environmental Health Sciences, University of Michigan, School of Public Health, 1415 Washington Heights, Ann Arbor, MI 48109, USA. Tel: +734-764-2032; E-mail:
| | - Tomoko Ishikawa
- Environmental Health Sciences, University of Michigan, School of Public Health, 1415 Washington Heights, Ann Arbor, MI 48109, USA
| | - Dana C Dolinoy
- Environmental Health Sciences, University of Michigan, School of Public Health, 1415 Washington Heights, Ann Arbor, MI 48109, USA
- Nutritional Sciences, University of Michigan, School of Public Health, 1415 Washington Heights, Ann Arbor, MI 48109, USA
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Androulakakis A, Alygizakis N, Gkotsis G, Nika MC, Nikolopoulou V, Bizani E, Chadwick E, Cincinelli A, Claßen D, Danielsson S, Dekker RWRJ, Duke G, Glowacka N, Jansman HAH, Krone O, Martellini T, Movalli P, Persson S, Roos A, O'Rourke E, Siebert U, Treu G, van den Brink NW, Walker LA, Deaville R, Slobodnik J, Thomaidis NS. Determination of 56 per- and polyfluoroalkyl substances in top predators and their prey from Northern Europe by LC-MS/MS. CHEMOSPHERE 2022; 287:131775. [PMID: 34509025 DOI: 10.1016/j.chemosphere.2021.131775] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 07/28/2021] [Accepted: 08/01/2021] [Indexed: 05/26/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a group of emerging substances that have proved to be persistent and highly bioaccumulative. They are broadly used in various applications and are known for their long-distance migration and toxicity. In this study, 65 recent specimens of a terrestrial apex predator (Common buzzard), freshwater and marine apex predators (Eurasian otter, harbour porpoise, grey seal, harbour seal) and their potential prey (bream, roach, herring, eelpout) from northern Europe (United Kingdom, Germany, the Netherlands and Sweden) were analyzed for the presence of legacy and emerging PFAS, employing a highly sensitive liquid chromatography electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS) method. 56 compounds from 14 classes were measured; 13 perfluoroalkyl carboxylic acids (PFCAs), 7 perfluoroalkyl sulphonic acids (PFSAs), 3 perfluorooctane sulfonamides (FOSAs), 4 perfluoroalkylphosphonic acids (PFAPAs), 3 perfluoroalkylphosphinic acids (PFPi's), 5 telomer alcohols (FTOHs), 2 mono-substituted polyfluorinated phosphate esters (PAPs), 2 di-substituted polyfluorinated phosphate esters (diPAPs), 6 saturated fluorotelomer acids (FTAS), 3 unsaturated fluorotelomer acids (FTUAs), 2 N-Alkyl perfluorooctane sulfonamidoethanols (FOSEs), 3 fluorotelomer sulphonic acids (FTSAs), 2 perfluoroether carboxylic acids (PFECAs) and 1 chlorinated perfluoroether sulphonic acid (Cl-PFESA). All samples were lyophilized before analysis, in order to enhance extraction efficiency, improve the precision and achieve lower detection limits. The analytes were extracted from the dry matrices through generic methods of extraction, using an accelerated solvent extraction (ASE), followed by clean-up through solid phase extraction (SPE). Method detection limits and method quantification limits ranged from 0.02 to 1.25 ng/g wet weight (ww) and from 0.05 to 3.79 ng/g (ww), respectively. Recovery ranged from 40 to 137%. Method precision ranged from 3 to 20 %RSD. The sum of PFAS concentration in apex predators livers ranged from 0.2 to 20.2 μg/g (ww), whereas in the fish species muscle tissues it ranged from 16 to 325 ng/g (ww). All analyzed specimens were primarily contaminated with PFOS, while the three PFPi's included in this study exhibited frequency of appearance (FoA) 100 %. C9 to C13 PFCAs were found at high concentrations in apex predator livers, while the overall PFAS levels in fish fillets also exceeded ecotoxicological thresholds. The findings of our study show a clear association between the PFAS concentrations in apex predators and the geographical origin of the specimens, with samples that were collected in urban and agricultural zones being highly contaminated compared to samples from pristine or semi-pristine areas. The high variety of PFAS and the different PFAS composition in the apex predators and their prey (AP&P) samples is alarming and strengthens the importance of PFAS monitoring across the food chain.
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Affiliation(s)
- Andreas Androulakakis
- National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece
| | - Nikiforos Alygizakis
- National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece; Environmental Institute, Okružná 784/42, 97241, Koš, Slovak Republic
| | - Georgios Gkotsis
- National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece
| | - Maria-Christina Nika
- National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece
| | - Varvara Nikolopoulou
- National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece
| | - Erasmia Bizani
- National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece
| | - Elizabeth Chadwick
- Cardiff University, Biomedical Science Building, Museum Avenue, Cardiff, CF10 3AX, UK
| | - Alessandra Cincinelli
- Department of Chemistry "Ugo Schiff", University of Florence, 50019, Sesto Fiorentino, Italy
| | | | - Sara Danielsson
- Naturhistoriska riksmuseet, Box 50007, 104 05, Stockholm, Sweden
| | | | - Guy Duke
- Environmental Change Institute, University of Oxford, 3 South Parks Rd, Oxford, OX1 3QY, United Kingdom
| | - Natalia Glowacka
- Environmental Institute, Okružná 784/42, 97241, Koš, Slovak Republic
| | - Hugh A H Jansman
- Wageningen Environmental Research, 6700 AA, Wageningen, the Netherlands
| | - Oliver Krone
- Leibniz Institute for Zoo and Wildlife Research, Department of Wildlife Diseases, Alfred-Kowalke-Strasse 17, 10315, Berlin, Germany
| | - Tania Martellini
- Department of Chemistry "Ugo Schiff", University of Florence, 50019, Sesto Fiorentino, Italy
| | - Paola Movalli
- Naturalis Biodiversity Center, 2333 RA, Leiden, the Netherlands
| | - Sara Persson
- Naturhistoriska riksmuseet, Box 50007, 104 05, Stockholm, Sweden
| | - Anna Roos
- Naturhistoriska riksmuseet, Box 50007, 104 05, Stockholm, Sweden
| | - Emily O'Rourke
- Cardiff University, Biomedical Science Building, Museum Avenue, Cardiff, CF10 3AX, UK
| | - Ursula Siebert
- Institute for Terrestrial and Aquatic Wildlife Research, University of Veterinary Medicine Hannover, 25761, Buesum, Germany
| | | | - Nico W van den Brink
- Division of Toxicology, Wageningen University, 6700EA Wageningen, The Netherlands
| | | | - Rob Deaville
- Institute of Zoology, Zoological Society of London, Regent's Park, London NW1 4RY, UK
| | | | - Nikolaos S Thomaidis
- National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece.
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Abdulhasan M, Ruden X, You Y, Harris SM, Ruden DM, Awonuga AO, Alvero A, Puscheck EE, Rappolee DA. Using Live Imaging and FUCCI Embryonic Stem Cells to Rank DevTox Risks: Adverse Growth Effects of PFOA Compared With DEP Are 26 Times Faster, 1,000 Times More Sensitive, and 13 Times Greater in Magnitude. FRONTIERS IN TOXICOLOGY 2021; 3:709747. [PMID: 35295126 PMCID: PMC8915856 DOI: 10.3389/ftox.2021.709747] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 09/20/2021] [Indexed: 01/05/2023] Open
Abstract
Fluorescent ubiquitination-based cell cycle indicator (FUCCI) embryonic stem cells (ESCs), which fluoresce green during the S-G2-M phases, generate an S-shaped curve for the accumulation of cells during normal stemness (NS) culture with leukemia-inhibitory factor (LIF). Since it was hypothesized that a culture of ESCs was heterogeneous in the cell cycle, it was expected that increased S-G2-M-phases of the cell cycle would make an S-shaped curve parallel to the accumulation curve. Unexpectedly, it was observed that the fraction of FUCCI ESCs in green decreases over time to a nadir at ∼24 h after previous feeding and then rapidly enters S-G2-M-phases after medium change. G1 delay by infrequent medium change is a mild stress, as it does not affect growth significantly when frequency is increased to 12 h. Perfluoro-octanoic acid (PFOA) and diethyl phthalate (DEP) were used as examples of members of the per- and polyfluoroalkyl substances (PFAS) and phthalate families of chemicals, respectively. Two adverse outcomes were used to compare dose- and time-dependent effects of PFOA and DEP. The first was cell accumulation assay by time-lapse confluence measurements, largely at Tfinal/T74 h. The second was by quantifying dominant toxicant stress shown by the suppression of mild stress that creates a green fed/unfed peak. In terms of speed, PFOA is 26 times faster than DEP for producing a time-dependent LOAEL dose at 100 uM (that is, 2 h for PFOA and 52 h for DEP). PFOA has 1000-fold more sensitive LOAEL doses than DEP for suppressing ESC accumulation (confluence) at day 3 and day 2. There were two means to compare the magnitude of the growth suppression of PFOA and DEP. For the suppression of the accumulation of cells measured by confluence at Tfinal/T74h, there was a 13-fold suppression at the highest dose of PFOA > the highest dose of DEP. For the suppression of entry into the cell cycle after the G1 phase by stress on day 1 and 2, there is 10-fold more suppression by PFOA than DEP. The data presented here suggest that FUCCI ESCs can assay the suppression of accumulated growth or predict the suppression of future growth by the suppression of fed/unfed green fluorescence peaks and that PFOA's adverse effects are faster and larger and can occur at more sensitive lower doses than DEP.
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Affiliation(s)
- Mohammed Abdulhasan
- Department of Ob/Gyn, CS Mott Center for Human Growth and Development, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, MI, United States
- Reproductive Stress 3M Inc, Grosse Pointe Farms, Detroit, MI, United States
| | - Ximena Ruden
- Department of Ob/Gyn, CS Mott Center for Human Growth and Development, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, MI, United States
| | - Yuan You
- Department of Ob/Gyn, CS Mott Center for Human Growth and Development, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, MI, United States
- Program for Reproductive Sciences and Department of Physiology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Sean M. Harris
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Douglas M. Ruden
- Department of Ob/Gyn, CS Mott Center for Human Growth and Development, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, MI, United States
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Awoniyi O. Awonuga
- Department of Ob/Gyn, CS Mott Center for Human Growth and Development, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, MI, United States
| | - Ayesha Alvero
- Department of Ob/Gyn, CS Mott Center for Human Growth and Development, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, MI, United States
- Program for Reproductive Sciences and Department of Physiology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Elizabeth E. Puscheck
- Department of Ob/Gyn, CS Mott Center for Human Growth and Development, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, MI, United States
- Reproductive Stress 3M Inc, Grosse Pointe Farms, Detroit, MI, United States
- Invia Fertility Clinics, IL, Chicago, United States
| | - Daniel A. Rappolee
- Department of Ob/Gyn, CS Mott Center for Human Growth and Development, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, MI, United States
- Reproductive Stress 3M Inc, Grosse Pointe Farms, Detroit, MI, United States
- Program for Reproductive Sciences and Department of Physiology, Wayne State University School of Medicine, Detroit, MI, United States
- Institutes for Environmental Health Science, Wayne State University School of Medicine, Detroit, MI, United States
- Department of Biology, University of Windsor, Windsor, ON, Canada
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Per- and Polyfluoroalkyl Substances (PFAS) in Integrated Crop-Livestock Systems: Environmental Exposure and Human Health Risks. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182312550. [PMID: 34886275 PMCID: PMC8657007 DOI: 10.3390/ijerph182312550] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 11/19/2021] [Accepted: 11/25/2021] [Indexed: 11/17/2022]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are highly persistent synthetic organic contaminants that can cause serious human health concerns such as obesity, liver damage, kidney cancer, hypertension, immunotoxicity and other human health issues. Integrated crop–livestock systems combine agricultural crop production with milk and/or meat production and processing. Key sources of PFAS in these systems include firefighting foams near military bases, wastewater sludge and industrial discharge. Per- and polyfluoroalkyl substances regularly move from soils to nearby surface water and/or groundwater because of their high mobility and persistence. Irrigating crops or managing livestock for milk and meat production using adjacent waters can be detrimental to human health. The presence of PFAS in both groundwater and milk have been reported in dairy production states (e.g., Wisconsin and New Mexico) across the United States. Although there is a limit of 70 parts per trillion of PFAS in drinking water by the U.S. EPA, there are not yet regional screening guidelines for conducting risk assessments of livestock watering as well as the soil and plant matrix. This systematic review includes (i) the sources, impacts and challenges of PFAS in integrated crop–livestock systems, (ii) safety measures and protocols for sampling soil, water and plants for determining PFAS concentration in exposed integrated crop–livestock systems and (iii) the assessment, measurement and evaluation of human health risks related to PFAS exposure.
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Gao X, Ni W, Zhu S, Wu Y, Cui Y, Ma J, Liu Y, Qiao J, Ye Y, Yang P, Liu C, Zeng F. Per- and polyfluoroalkyl substances exposure during pregnancy and adverse pregnancy and birth outcomes: A systematic review and meta-analysis. ENVIRONMENTAL RESEARCH 2021; 201:111632. [PMID: 34237336 DOI: 10.1016/j.envres.2021.111632] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/04/2021] [Accepted: 06/30/2021] [Indexed: 05/26/2023]
Abstract
BACKGROUND Exposure to per- and polyfluoroalkyl substances (PFAS) during pregnancy has been suggested to be associated with adverse pregnancy and birth outcomes; however, the findings have been inconsistent. We aimed to conduct a systematic review and meta-analysis to provide an overview of these associations. METHODS The online databases PubMed, EMBASE and Web of Science were searched comprehensively for eligible studies from inception to February 2021. Odds ratios (ORs) and 95% confidence intervals (CIs) were pooled using random- or fixed-effects models, and dose-response meta-analyses were also conducted when possible. FINDINGS A total of 29 studies (32,905 participants) were included. The pooled results demonstrated that perfluorooctane sulfonate (PFOS) exposure during pregnancy was linearly associated with increased preterm birth risk (pooled OR per 1-ng/ml increase: 1.01, 95% CIs: 1.00-1.02, P = 0.009) and perfluorononanoate (PFNA) and perfluorooctanoate (PFOA) exposure showed inverted U-shaped associations with preterm birth risk (P values for the nonlinear trend: 0.025 and 0.030). Positive associations were also observed for exposure to perfluorodecanoate (PFDA) and miscarriage (pooled OR per 1-ng/ml increase: 1.87, 95% CIs: 1.15-3.03) and PFOS and preeclampsia (pooled OR per 1-log increase: 1.27, 95% CIs: 1.06-1.51), whereas exposure to perfluoroundecanoate (PFUnDA) was inversely associated with preeclampsia risk (pooled OR per 1-log increase: 0.81, 95% CIs: 0.71-0.93). Based on individual evidence, detrimental effects were observed between PFDA exposure and small for gestational age and between PFOA and PFOS and intrauterine growth restriction. No significant associations were found between pregnancy PFAS exposure and other adverse pregnancy outcomes (i.e., gestational diabetes mellitus, pregnancy-induced hypertension, low birth weight, and large and small for gestational age). INTERPRETATION Our findings indicated that PFOS, PFOA and PFNA exposure during pregnancy might be associated with increased preterm birth risk and that PFAS exposure might be associated with the risk of miscarriage and preeclampsia. Due to the limited evidence obtained for most associations, additional studies are required to confirm these findings.
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Affiliation(s)
- Xuping Gao
- Department of Epidemiology, School of Basic Medicine and Public Health, Jinan University, No.601 Huangpu Road West, Guangzhou, 510632, Guangdong, PR China; Department of Child & Adolescent Psychiatry, Peking University Sixth Hospital (Institute of Mental Health), National Clinical Research Center for Mental Disorders and NHC Key Laboratory of Mental Health (Peking University Sixth Hospital), 51 HuayuanBei Road, Beijing, 100191, PR China
| | - Wanze Ni
- Department of Epidemiology, School of Basic Medicine and Public Health, Jinan University, No.601 Huangpu Road West, Guangzhou, 510632, Guangdong, PR China
| | - Sui Zhu
- Department of Medical Statistics, School of Basic Medicine and Public Health, Jinan University, No.601 Huangpu Road West, Guangzhou, 510632, Guangdong, PR China
| | - Yanxin Wu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-sen University, 58# Zhongshan Road 2, Guangzhou, 510080, Guangdong, China
| | - Yunfeng Cui
- Department of Epidemiology, School of Basic Medicine and Public Health, Jinan University, No.601 Huangpu Road West, Guangzhou, 510632, Guangdong, PR China
| | - Junrong Ma
- Department of Epidemiology, School of Basic Medicine and Public Health, Jinan University, No.601 Huangpu Road West, Guangzhou, 510632, Guangdong, PR China
| | - Yanhua Liu
- Department of Nutrition, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, PR China
| | - Jinlong Qiao
- Department of Epidemiology, School of Basic Medicine and Public Health, Jinan University, No.601 Huangpu Road West, Guangzhou, 510632, Guangdong, PR China
| | - Yanbin Ye
- Department of Nutrition, The First Affiliated Hospital of Sun Yat-sen University, 58# Zhongshan Road 2, Guangzhou, 510080, Guangdong, China
| | - Pan Yang
- Department of Occupational and Environmental Health, School of Basic Medicine and Public Health, Jinan University, No.601 Huangpu Road West, Guangzhou, 510632, Guangdong, PR China
| | - Chaoqun Liu
- Department of Nutrition, School of Medicine, Jinan University, No.601 Huangpu Road West, Guangzhou, 510632, Guangdong, PR China.
| | - Fangfang Zeng
- Department of Epidemiology, School of Basic Medicine and Public Health, Jinan University, No.601 Huangpu Road West, Guangzhou, 510632, Guangdong, PR China.
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Luo D, Wu W, Pan Y, Du B, Shen M, Zeng L. Associations of Prenatal Exposure to Per- and Polyfluoroalkyl Substances with the Neonatal Birth Size and Hormones in the Growth Hormone/Insulin-Like Growth Factor Axis. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:11859-11873. [PMID: 34378915 DOI: 10.1021/acs.est.1c02670] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Toxicological data suggest a significant developmental toxicity of per- and polyfluoroalkyl substances (PFASs); however, evidence in humans remains inconclusive. Furthermore, the effects of prenatal exposure to PFASs on hormones in the growth hormone (GH)/insulin-like growth factor (IGF) axis of newborns remain largely unclear. We aimed to investigate the associations of prenatal exposure to PFASs with the neonatal birth size, GH, IGF-1, and IGF-binding protein 3 (IGFBP-3). The concentrations of 22 PFASs were measured in the plasma of 224 pregnant women collected within 3 days before delivery (39.3 weeks) in Guangzhou, China, and the anthropometric data were gathered from medical records. Paired cord blood was collected at delivery to determine GH, IGF-1, and IGFBP-3 levels. Multivariable linear regression models revealed the inverse associations of several long-chain PFASs with birth weight and ponderal index as well as the significant associations of perfluorobutanoic acid and perfluorooctanoic acid (PFOA) with IGFBP-3 levels. The Bayesian kernel machine regression confirmed the association of perfluorooctane sulfonate with birth weight and ponderal index and of PFOA with IGFBP-3 and identified an inverse joint effect of exposure to a mixture of multiple PFASs on birth weight. The findings provide the first comprehensive evidence on the individual and joint effects of multiple PFASs on the neonatal birth size and hormones in the GH/IGF axis, which requires further confirmation.
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Affiliation(s)
- Dan Luo
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 511443, China
| | - Weixiang Wu
- Department of Clinical Laboratory, Guangdong Women and Children Hospital, Guangzhou 511443, China
| | - Yanan Pan
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 511443, China
| | - Bibai Du
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 511443, China
| | - Mingjie Shen
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 511443, China
| | - Lixi Zeng
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 511443, China
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Deji Z, Liu P, Wang X, Zhang X, Luo Y, Huang Z. Association between maternal exposure to perfluoroalkyl and polyfluoroalkyl substances and risks of adverse pregnancy outcomes: A systematic review and meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 783:146984. [PMID: 34088118 DOI: 10.1016/j.scitotenv.2021.146984] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 03/29/2021] [Accepted: 04/02/2021] [Indexed: 05/06/2023]
Abstract
Perfluoroalkyl and polyfluoroalkyl substances (PFASs), a class of persistent endocrine-disrupting chemicals, are widely used in consumer products due to their unique amphiphilic properties. Previous epidemiological studies suggest association of maternal PFASs exposure and adverse pregnancy outcomes, while evidences about the association are inconsistent. The aim of this systematic review and meta-analysis is to assess the relationship of maternal PFASs exposure and adverse pregnancy outcomes. Twenty-one relevant studies were identified from three databases before 2020. The quality, heterogeneity and possibility of publication bias of included studies were evaluated by Newcastle-Ottawa Scale, Q-statistic and Begg's test, respectively. The pooled odds ratios (ORs) with 95% confidence intervals (CIs) were obtained by means of random-effects meta-analysis models. Meta-analysis results revealed that maternal exposure to perfluorooctane sulfonic acid (PFOS) may have a positive association with preterm birth (OR = 1.20, 95% CI: 1.04, 1.38). The pooled estimates also showed limited evidence of association between maternal perfluorononanoic acid (PFNA) exposure and miscarriage (OR = 1.48, 95% CI: 0.92, 2.38) with obvious heterogeneity (I2 = 93.9, p < 0.01). However, no such significant associations were found between the other PFASs and miscarriage, stillbirth and preterm birth. In addition, the subgroup analyses showed that studies on the relationship of maternal PFASs exposure and miscarriage were mainly contributed by developed countries. The meta-analysis results indicated maternal exposure to PFOS can increase the risk of preterm birth. The results of the included studies are inconsistent and the effects of PFASs on human health are complex. Further studies with enough samples are required to verify these findings.
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Affiliation(s)
- Zhuoma Deji
- Department of Preventive Medicine, School of Health Sciences, Wuhan University, Wuhan 430071, PR China
| | - Peng Liu
- Department of Preventive Medicine, School of Health Sciences, Wuhan University, Wuhan 430071, PR China
| | - Xin Wang
- Department of Preventive Medicine, School of Health Sciences, Wuhan University, Wuhan 430071, PR China
| | - Xin Zhang
- Department of Preventive Medicine, School of Health Sciences, Wuhan University, Wuhan 430071, PR China
| | - Yuehua Luo
- Department of Preventive Medicine, School of Health Sciences, Wuhan University, Wuhan 430071, PR China
| | - Zhenzhen Huang
- Department of Preventive Medicine, School of Health Sciences, Wuhan University, Wuhan 430071, PR China.
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Deng SZ, Xu CL, Xu ZF, Zhou LY, Xie SJ, Wei KN, Jin YC, Zeng ZC, Yang XJ, Tan SH, Wang HL. Perfluorodecanoic acid induces meiotic defects and deterioration of mice oocytes in vitro. Toxicology 2021; 460:152884. [PMID: 34358620 DOI: 10.1016/j.tox.2021.152884] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 07/19/2021] [Accepted: 07/30/2021] [Indexed: 11/29/2022]
Abstract
Perfluorodecanoic acid (PFDA) is a member of the perfluoroalkyl substances, which are toxic to organic functions. Recently, it has been found in follicular fluid, seriously interfering with reproduction. Follicular fluid provides the oocyte with necessary resources during the process of oocytes maturation. However, the effects of PFDA on the oocyte need investigation. Our study evaluated the impacts of PFDA on the meiosis and development potential of mouse oocytes by exposing oocytes to PFDA in vitro at 350, 400, and 450 μM concentrations. The results showed that exposure to PFDA resulted in the first meiotic prophase arrest by obstructing the function of the maturation-promoting factor. It also induced the dysfunction of the spindle assembly checkpoint, expedited the progression of the first meiotic process, and increased the risk of aneuploidy. The oocytes treated with PFDA had a broken cytoskeleton which also contributed to meiotic maturation failure. Besides, PFDA exposure caused mitochondria defections, increased the reactive oxygen species level in oocytes, and consequently induced oocyte apoptosis. Moreover, PFDA produced epigenetic modifications in oocytes and increased the frequency of mature oocytes with declined development potential. In summary, our data indicated that PFDA disturbs the meiotic process and induces oocyte quality deterioration.
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Affiliation(s)
- Shu-Zi Deng
- College of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, 411201, China; Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Chang-Long Xu
- The Reproductive Medical Center of Nanning Second People's Hospital, Nanning, Guangxi, 530031, China
| | - Zhong-Feng Xu
- Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China; College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, China
| | - Li-Ying Zhou
- Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Shu-Juan Xie
- Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Kang-Na Wei
- Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China; Department of Gynaecology and Obstetrics, The Affiliated Xiang-An Hospital of Xiamen University, Xiamen, Fujian, 361102, China
| | - Yuan-Chang Jin
- College of Biology and Agriculture (College of Food Science and Technology), Zunyi Normal College, Zunyi, 563006, China
| | - Zhao-Cheng Zeng
- Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Xiang-Jun Yang
- Department of Gynaecology and Obstetrics, The Affiliated Zhong-Shan Hospital of Xiamen University, Xiamen, Fujian, 361004, China
| | - Shu-Hua Tan
- College of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, 411201, China.
| | - Hai-Long Wang
- Department of Basic Medicine, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China.
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Mottaleb MA, Ding QX, Pennell KG, Haynes EN, Morris AJ. Direct injection analysis of per and polyfluoroalkyl substances in surface and drinking water by sample filtration and liquid chromatography-tandem mass spectrometry. J Chromatogr A 2021; 1653:462426. [PMID: 34352431 DOI: 10.1016/j.chroma.2021.462426] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/16/2021] [Accepted: 07/16/2021] [Indexed: 01/14/2023]
Abstract
We developed and validated a method for direct determination of per- and polyfluoroalkylated substances (PFASs) in environmental water samples without prior sample concentration. Samples are centrifuged and supernatants passed through an Acrodisc Filter (GXF/GHP 0.2 um, 25 mm diameter). After addition of ammonium acetate, samples are analyzed by UPLC-MS/MS using an AB Sciex 6500 plus Q-Trap mass spectrometer operated in negative multiple reaction-monitoring (MRM) mode. The instrument system incorporates a delay column between the pumps and autosampler to mitigate interference from background PFAS. The method monitors eight short-/long-chain PFAS which are identified by monitoring specific precursor product ion pairs and by their retention times and quantified using isotope mass-labeled internal standard based calibration plots. Average spiked recoveries (n = 8) of target analytes ranged from 84 to 110% with 4-9% relative standard deviation (RSD). The mean spiked recoveries (n = 8) of four surrogates were 94-106% with 3-8% RSD. For continuous calibration verification (CCV), average spiked recoveries (n = 8) for target analytes ranged from 88 to 114% with 4-11% RSD and for surrogates ranged from 104-112% with 3-11% RSD. The recoveries (n = 6) of matrix spike (MX), matrix spike duplicate (MXD), and field reagent blank (FRB) met our acceptance criteria. The limit of detection for the target analytes was between 0.007 and 0.04 ng/mL. The method was used to measure PFAS in tap water and surface water.
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Affiliation(s)
- M Abdul Mottaleb
- Superfund Research Center, University of Kentucky, Lexington KY, 40506, United States; Center for Appalachian Research in Environmental Sciences, University of Kentucky, Lexington KY, 40506, United States; Division of Cardiovascular, Medicine, College of Medicine, University of Kentucky and Lexington VA Medical Center, Lexington, KY, 40536, United States. ; Pressent address: Institute of Drug & Biotherapeutic Innovation, DRC, 1100 South Grand Blvd, Saint Louis University, Saint Louis, MO 63104 United States.
| | - Qunxing X Ding
- Department of Biology, College of Arts and Sciences, Kent State University, Kent, OH, 44242, United States.
| | - Kelly G Pennell
- Superfund Research Center, University of Kentucky, Lexington KY, 40506, United States; Center for Appalachian Research in Environmental Sciences, University of Kentucky, Lexington KY, 40506, United States; Department of Civil Engineering, College of Engineering, University of Kentucky, Lexington KY, 40506, United States.
| | - Erin N Haynes
- Superfund Research Center, University of Kentucky, Lexington KY, 40506, United States; Center for Appalachian Research in Environmental Sciences, University of Kentucky, Lexington KY, 40506, United States; Department of Epidemiology, College of Public Health, University of Kentucky, Lexington KY, 40536, United States.
| | - Andrew J Morris
- Superfund Research Center, University of Kentucky, Lexington KY, 40506, United States; Center for Appalachian Research in Environmental Sciences, University of Kentucky, Lexington KY, 40506, United States; Division of Cardiovascular, Medicine, College of Medicine, University of Kentucky and Lexington VA Medical Center, Lexington, KY, 40536, United States. ; Pressent address: Institute of Drug & Biotherapeutic Innovation, DRC, 1100 South Grand Blvd, Saint Louis University, Saint Louis, MO 63104 United States.
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Schlezinger JJ, Hyötyläinen T, Sinioja T, Boston C, Puckett H, Oliver J, Heiger-Bernays W, Webster TF. Perfluorooctanoic acid induces liver and serum dyslipidemia in humanized PPARα mice fed an American diet. Toxicol Appl Pharmacol 2021; 426:115644. [PMID: 34252412 DOI: 10.1016/j.taap.2021.115644] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 01/06/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are pervasive in the environment resulting in nearly universal detection in people. Human serum PFAS concentrations are strongly associated with increased serum low-density lipoprotein cholesterol (LDL-C), and growing evidence suggests an association with serum triacylglycerides (TG). Here, we tested the hypothesis that perfluorooctanoic acid (PFOA) dysregulates liver and serum triacylglycerides in human peroxisome proliferator activated receptor α (hPPARα)-expressing mice fed an American diet. Mice were exposed to PFOA (3.5 mg/L) in drinking water for 6 weeks resulting in a serum concentration of 48 ± 9 μg/ml. In male and female hPPARα mice, PFOA increased total liver TG and TG substituted with saturated and monounsaturated fatty acids. Lack of expression of PPARα alone also increased total liver TG, and PFOA treatment had little effect on liver TG in PPARα null mice. In hPPARα mice, PFOA neither significantly increased nor decreased serum TG; however, there was a modest increase in TG associated with very low-density cholesterol particles in both sexes. Intriguingly, in female PPARα null mice, PFOA significantly increased serum TG, with a similar trend in males. PFOA also modified fatty acid and TG homeostasis-related gene expression in liver, in a hPPARα-dependent manner, but not in adipose. The results of our study and others reveal the importance of context (serum concentration and genotype) in determining the effect of PFOA on lipid homeostasis.
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Affiliation(s)
- J J Schlezinger
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA.
| | - T Hyötyläinen
- MTM Research Centre, School of Science and Technology, Örebro University, Örebro 702 81, Sweden
| | - T Sinioja
- MTM Research Centre, School of Science and Technology, Örebro University, Örebro 702 81, Sweden
| | - C Boston
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA
| | - H Puckett
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA
| | - J Oliver
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA
| | - W Heiger-Bernays
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA
| | - T F Webster
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA
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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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Gilbertson PK, Forrester S, Andrews L, McCann K, Rogers L, Park C, Moye J. The National Children's Study Archive Model: A 3-Tier Framework for Dissemination of Data and Specimens for General Use and Secondary Analysis. Front Public Health 2021; 9:526286. [PMID: 33748052 PMCID: PMC7973013 DOI: 10.3389/fpubh.2021.526286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 01/26/2021] [Indexed: 01/12/2023] Open
Abstract
The National Children's Study (NCS) Archive was created as a repository of samples, data, and information from the NCS Vanguard Study-a longitudinal pregnancy and birth cohort evaluating approaches to study influence of environmental exposures on child health and development-to provide qualified researchers with access to NCS materials for use in secondary research. The National Children's Study Archive (NCSA) model is a 3-tiered access model designed to make the wealth of information and materials gathered during the NCS Vanguard Study available at a user appropriate level. The NCSA model was developed as a 3-tier framework, for users of varying access levels, providing intuitive data exploration and visualization tools, an end-to-end data and sample request management system, and a restricted portal for participant-level data access with a team of experts available to assist users. This platform provides a model to accelerate transformation of information and materials from existing studies into new scientific discoveries. Trial Registration: ClinicalTrials.gov Identifier: NCT00852904 (first posted February 27, 2009).
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Affiliation(s)
| | - Susan Forrester
- Social & Scientific Systems Inc., Silver Spring, MD, United States
| | - Linda Andrews
- Social & Scientific Systems Inc., Silver Spring, MD, United States
| | - Kathleen McCann
- Social & Scientific Systems Inc., Silver Spring, MD, United States
| | - Lydia Rogers
- Social & Scientific Systems Inc., Silver Spring, MD, United States
| | - Christina Park
- National Institutes of Health, Office of the Director, Bethesda, MD, United States
| | - Jack Moye
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
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Dalla Zuanna T, Savitz DA, Barbieri G, Pitter G, Zare Jeddi M, Daprà F, Fabricio ASC, Russo F, Fletcher T, Canova C. The association between perfluoroalkyl substances and lipid profile in exposed pregnant women in the Veneto region, Italy. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 209:111805. [PMID: 33360787 DOI: 10.1016/j.ecoenv.2020.111805] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/30/2020] [Accepted: 12/10/2020] [Indexed: 05/27/2023]
Abstract
BACKGROUND Residents of a large area of North-Eastern Italy were exposed for decades to high concentrations of perfluoroalkyl and polyfluoroalkyl substances (PFAS) via drinking water. Serum PFAS levels have been consistently associated with elevated serum lipids, but few studies have been conducted among pregnant women, and none has stratified analyses by trimester of gestation. Elevated serum lipid levels during pregnancy can have both immediate and long-lasting effects on pregnant women and the developing fetus. We evaluated the association between perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), and perfluoro-hexanesulfonate (PFHxS) levels in relation to lipid profiles in highly-exposed pregnant women. METHODS A cross-sectional analysis was conducted in 319 pregnant women (age 14-48 years) enrolled in the Regional health surveillance program. Non-fasting blood samples were obtained in any trimester of pregnancy and analyzed for PFOA, PFOS and PFHxS, total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C). Low-density lipoprotein cholesterol (LDL-C) was calculated. The associations between ln-transformed PFAS (and categorized into quartiles) and lipids were assessed using generalized additive models. Analyses were adjusted for potential confounders and stratified according to pregnancy trimester. RESULTS The geometric means of PFOA, PFOS and PFHxS were 14.78 ng/mL, 2.67 ng/mL and 1.89 ng/mL, respectively. The plasma levels of TC, HDL-C and LDL-C increased steadily throughout the trimesters. In the 1st trimester, PFOS was positively associated with TC and PFHxS with HDL-C. In the 3rd trimester, instead, an inverse relationship was seen between PFOA and PFHxS and both TC and LDL-C. CONCLUSIONS Results suggest the associations between PFAS concentrations and lipid profiles in pregnant women might differ by trimesters of pregnancy. In the first trimester, patterns are similar to those of non-pregnant women, while they differ late in pregnancy. Different independent behavior of PFAS and lipid levels throughout the pregnancy might explain our observations. These findings support the ubiquitous exposure to PFAS and possible influence on lipid metabolisms during pregnancy and suggest a careful evaluation of the timing of PFAS measurement, when examining effects of PFAS during pregnancy on gestational outcomes related to serum lipids amounts.
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Affiliation(s)
- Teresa Dalla Zuanna
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, Università di Padova, Via Loredan 18, 35131 Padova, Italy.
| | - David A Savitz
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, United States.
| | - Giulia Barbieri
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, Università di Padova, Via Loredan 18, 35131 Padova, Italy
| | - Gisella Pitter
- Screening and Health Impact Assessment Unit, Azienda Zero-Veneto Region, Passaggio L. Gaudenzio 1, 35100 Padova, Italy.
| | - Maryam Zare Jeddi
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, Università di Padova, Via Loredan 18, 35131 Padova, Italy
| | - Francesca Daprà
- Laboratory Department-Regional Agency for Environmental Prevention and Protection, Veneto Region, Verona, Italy.
| | - Aline S C Fabricio
- Regional Center for Biomarkers, Department of Clinical Pathology, Azienda ULSS 3 Serenissima, Venice, Italy.
| | - Francesca Russo
- Directorate of Prevention, Food Safety, and Veterinary Public Health, Veneto Region, Dorsoduro, 3493 - Rio Nuovo, 30123 Venice, Italy.
| | - Tony Fletcher
- London School of Hygiene and Tropical Medicine, London, United Kingdom.
| | - Cristina Canova
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, Università di Padova, Via Loredan 18, 35131 Padova, Italy.
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Panieri E, Buha-Đorđevic A, Saso L. Endocrine disruption by PFAS: A major concern associated with legacy and replacement substances. ARHIV ZA FARMACIJU 2021. [DOI: 10.5937/arhfarm71-34197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Perand poly-fluorinated alkyl substances (PFAS) have been used for decades in a great variety of processes and products by virtue of their exceptional properties, versatility and chemical stability. Nevertheless, it is increasingly recognized that these substances can represent a serious hazard to human health and living organisms due to their persistence, long-range transport potential and tendency to accumulate in biota. For this reason, some efforts have been made across the EU to identify alternative molecules, with a shorter carbon chain and theoretically safer profile, that might replace the previous generation of legacy PFAS. Unfortunately, this strategy has not been entirely successful and serious concerns are still posed by PFAS in different human populations. Among others, an emerging aspect is represented by the adverse effects that both legacy and alternative PFAS can exert on the human endocrine system, with respect to vulnerable target subpopulations. In this review we will briefly summarize PFAS properties, uses and environmental fate, focusing on their effects on human reproductive capacity and fertility, body weight control and obesity as well as thyroid function.
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Lee YJ, Jung HW, Kim HY, Choi YJ, Lee YA. Early-Life Exposure to Per- and Poly-Fluorinated Alkyl Substances and Growth, Adiposity, and Puberty in Children: A Systematic Review. Front Endocrinol (Lausanne) 2021; 12:683297. [PMID: 34566884 PMCID: PMC8458955 DOI: 10.3389/fendo.2021.683297] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 08/16/2021] [Indexed: 01/09/2023] Open
Abstract
Per- or polyfluoroalkyl substances (PFAS), a family of synthetic polyfluorinated compounds, are widely used in consumer products. Ubiquitous exposures to PFAS, in consideration of their persistence, bioaccumulation potential, and toxicities have led to concerns regarding possible harmful effects during critical periods of development in early-life and long-term consequences on health. The potential effects of PFAS depend on various factors including the type of PFAS and the timing and level of exposure. We performed a systematic review of the epidemiologic literature to assess the effects of early-life PFAS exposure on prenatal and postnatal growth, adiposity, and puberty in children and adolescents. For birth size, most studies indicated that prenatal PFAS exposure, in particular long-chain PFAS, may impair fetal growth, albeit some reports of null associations with maternal PFAS. For growth within 2 years of age, prenatal PFAS exposure showed no associations with height and either null or negative associations with weight. However, postnatal PFAS exposures were inversely related to height and weight at 2 years in a cross-sectional study. For postnatal adiposity, prenatal PFAS may mostly have negative associations with body mass index in the first 2 years of life, but positive relationships with adiposity in childhood and adolescence, although some studies showed null associations. For puberty, the evidence for associations between early-life PFAS exposure and pubertal development or sex hormone levels were limited and inconclusive. From experimental studies, plausible mechanisms through which PFAS may affect early-life growth and puberty include PFAS-induced activation of peroxisome proliferator-activated receptor, alterations of thyroid or steroid hormone synthesis and metabolism, and their weak estrogenic or anti-androgenic properties. Although the published literature suggests possible effects of PFAS exposures on early-life growth, adiposity, and puberty, current human evidence is limited in establishing PFAS-induced effects on early-life physical development. Further investigation is warranted to clarify PFAS-induced effects on growth and physical development in consideration of the critical time-window of exposure, concomitant exposure to chemical mixtures including various PFAS types, and possible non-monotonic dose-response relationship for growth and adiposity trajectories.
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Affiliation(s)
- Yun Jeong Lee
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, South Korea
| | - Hae Woon Jung
- Department of Pediatrics, Kyung Hee University Medical Center, Seoul, South Korea
| | - Hwa Young Kim
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, South Korea
| | - Yoon-Jung Choi
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, South Korea
- Environmental Health Center, Seoul National University College of Medicine, Seoul, South Korea
| | - Young Ah Lee
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, South Korea
- *Correspondence: Young Ah Lee,
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