1
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Vujic E, Ferguson SS, Brouwer KLR. Effects of PFAS on human liver transporters: implications for health outcomes. Toxicol Sci 2024; 200:213-227. [PMID: 38724241 DOI: 10.1093/toxsci/kfae061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024] Open
Abstract
Per- and polyfluoroalkyl substances (PFAS) have become internationally recognized over the past three decades as persistent organic pollutants used in the production of various consumer and industrial goods. Research efforts continue to gauge the risk that historically used, and newly produced, PFAS may cause to human health. Numerous studies report toxic effects of PFAS on the human liver as well as increased serum cholesterol levels in adults. A major concern with PFAS, also dubbed "forever chemicals," is that they accumulate in the liver and kidney and persist in serum. The mechanisms responsible for their disposition and excretion in humans are poorly understood. A better understanding of the interaction of PFAS with liver transporters, as it pertains to the disposition of PFAS and other xenobiotics, could provide mechanistic insight into human health effects and guide efforts toward risk assessment of compounds in development. This review summarizes the current state of the literature on the emerging relationships (eg, substrates, inhibitors, modulators of gene expression) between PFAS and specific hepatic transporters. The adaptive and toxicological responses of hepatocytes to PFAS that reveal linkages to pathologies and epidemiological findings are highlighted. The evidence suggests that our understanding of the molecular landscape of PFAS must improve to determine their impact on the expression and function of hepatocyte transporters that play a key role in PFAS or other xenobiotic disposition. From here, we can assess what role these changes may have in documented human health outcomes.
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Affiliation(s)
- Ena Vujic
- Curriculum in Toxicology & Environmental Medicine, School of Medicine, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Stephen S Ferguson
- Division of Translational Toxicology, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, USA
| | - Kim L R Brouwer
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
- Curriculum in Toxicology & Environmental Medicine, School of Medicine, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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2
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Zhang H, Han L, Qiu L, Zhao B, Gao Y, Chu Z, Dai X. Perfluorooctanoic Acid (PFOA) Exposure Compromises Fertility by Affecting Ovarian and Oocyte Development. Int J Mol Sci 2023; 25:136. [PMID: 38203307 PMCID: PMC10779064 DOI: 10.3390/ijms25010136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 12/11/2023] [Accepted: 12/17/2023] [Indexed: 01/12/2024] Open
Abstract
PFOA, a newly emerging persistent organic pollutant, is widely present in various environmental media. Previous reports have proved that PFOA exposure can accumulate in the ovary and lead to reproductive toxicity in pregnant mice. However, the potential mechanism of PFOA exposure on fertility remains unclear. In this study, we explore how PFOA compromises fertility in the zebrafish. The data show that PFOA (100 mg/L for 15 days) exposure significantly impaired fertilization and hatching capability. Based on tissue sections, we found that PFOA exposure led to ovarian damage and a decrease in the percentage of mature oocytes. Moreover, through in vitro incubation, we determined that PFOA inhibits oocyte development. We also sequenced the transcriptome of the ovary of female zebrafish and a total of 284 overlapping DEGs were obtained. Functional enrichment analysis showed that 284 overlapping DEGs function mainly in complement and coagulation cascades signaling pathways. In addition, we identified genes that may be associated with immunity, such as LOC108191474 and ZGC:173837. We found that exposure to PFOA can cause an inflammatory response that can lead to ovarian damage and delayed oocyte development.
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Affiliation(s)
| | | | | | | | | | | | - Xiaoxin Dai
- School of Fisheries, Zhejiang Ocean University, Zhoushan 316022, China; (H.Z.); (L.H.); (L.Q.); (B.Z.); (Y.G.); (Z.C.)
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3
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Zhang Z, Tian J, Liu W, Zhou J, Zhang Y, Ding L, Sun H, Yan G, Sheng X. Perfluorooctanoic acid exposure leads to defect in follicular development through disrupting the mitochondrial electron transport chain in granulosa cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:166954. [PMID: 37722425 DOI: 10.1016/j.scitotenv.2023.166954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 08/21/2023] [Accepted: 09/08/2023] [Indexed: 09/20/2023]
Abstract
Perfluorooctanoic acid (PFOA) is a persistent environmental pollutant that can impair ovarian function, while the underlying mechanism is not fully understood, and effective treatments are lacking. In this study, we established a mouse model of PFOA exposure induced by drinking water and found that PFOA exposure impaired follicle development, increased apoptosis of granulosa cells (GCs), and hindered normal follicular development in a 3D culture system. RNA-seq analysis revealed that PFOA disrupted oxidative phosphorylation in ovaries by impairing the mitochondrial electron transport chain. This resulted in reduced mitochondrial membrane potential and increased mitochondrial reactive oxygen species (mtROS) in isolated GCs or KGN cells. Resveratrol, a mitochondrial nutrient supplement, could improve mitochondrial function and restore normal follicular development by activating FoxO1 through SIRT1/PI3K-AKT pathway. Our results indicate that PFOA exposure impairs mitochondrial function in GCs and affects follicle development. Resveratrol can be a potential therapeutic agent for PFOA-induced ovarian dysfunction.
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Affiliation(s)
- Zhe Zhang
- Department of Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China; Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Jiao Tian
- Department of Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China; Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Wenwen Liu
- Department of Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China; Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Jidong Zhou
- Department of Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China; Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Yang Zhang
- Department of Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China; Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Lijun Ding
- Department of Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China; Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Haixiang Sun
- Department of Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China; Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China.
| | - Guijun Yan
- Department of Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China; State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, China.
| | - Xiaoqiang Sheng
- Center for Reproductive Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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4
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Dong S, Xu J, Yang D, Zhao X, Li X, Chen D, Xing J, Shi Y, Sun Y, Ding G. Different Life-Stage Exposure to Hexafluoropropylene Oxide Trimer Acid Induces Reproductive Toxicity in Adult Zebrafish (Danio rerio). ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:2490-2500. [PMID: 37589400 DOI: 10.1002/etc.5732] [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: 12/27/2022] [Revised: 02/13/2023] [Accepted: 08/10/2023] [Indexed: 08/18/2023]
Abstract
As a novel alternative to perfluorooctanoic acid (PFOA), hexafluoropropylene oxide trimer acid (HFPO-TA) has been widely used and has caused ubiquitous water pollution. However, its adverse effects on aquatic organisms are still not well known. In the present study, zebrafish at different life stages were exposed to 0, 5, 50, and 100 μg/L of HFPO-TA for 21 days to investigate reproductive toxicity in zebrafish. The results showed that HFPO-TA exposure significantly inhibited growth and induced reproductive toxicity in zebrafish, including a decrease of the condition factor, gonadosomatic index, and the average number of eggs. Histological section observation revealed that percentages of mature oocytes and spermatozoa were reduced, while those of primary oocytes and spermatocytes increased. In addition, exposure to HFPO-TA at three stages induced a significant decrease in the hatching rate, while the heart rate and normal growth rate of F1 offspring were only significantly inhibited for the exposure from fertilization to 21 days postfertilization (dpf). Compared with the exposure from 42 to 63 dpf, the reproductive toxicity induced by HFPO-TA was more significant for the exposure from fertilization to 21 dpf and from 21 to 42 dpf. Expression of the genes for cytochrome P450 A1A, vitellogenin 1, estrogen receptor alpha, and estrogen receptor 2b was significantly up-regulated in most cases after exposure to HFPO-TA, suggesting that HFPO-TA exhibited an estrogen effect similar to PFOA. Therefore, HFPO-TA might disturb the balance of sex steroid hormones and consequently induce reproductive toxicity in zebrafish. Taken together, the results demonstrate that exposure to HFPO-TA at different life stages could induce reproductive toxicity in zebrafish. However, the underlying mechanisms deserve further investigation. Environ Toxicol Chem 2023;42:2490-2500. © 2023 SETAC.
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Affiliation(s)
- Shasha Dong
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Jianhui Xu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Dan Yang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Xiaohui Zhao
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Xiaohui Li
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Dezhi Chen
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Jing Xing
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Yawei Shi
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Ya Sun
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Guanghui Ding
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
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5
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Manera M, Castaldelli G, Giari L. Perfluorooctanoic Acid Promotes Recruitment and Exocytosis of Rodlet Cells in the Renal Hematopoietic Tissue of Common Carp. TOXICS 2023; 11:831. [PMID: 37888682 PMCID: PMC10611324 DOI: 10.3390/toxics11100831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 09/20/2023] [Accepted: 09/29/2023] [Indexed: 10/28/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are ubiquitous environmental contaminants, with perfluorooctanoic acid (PFOA) being a prominent member. PFOA poses a risk to aquatic ecosystems and human health due to its presence in water, environmental persistence, and bioaccumulation. Since rodlet cells (RCs) have emerged as potential biomarkers for chemical stressors, this study aimed to investigate the effects of sub-chronic PFOA exposure on RCs in the renal hematopoietic tissue of common carp. Three groups of fish were used: an unexposed control group and two groups exposed to environmentally relevant (200 ng L-1) and elevated (2 mg L-1) PFOA concentrations. Light and transmission electron microscopy were employed to assess RCs' distribution patterns and exocytosis, while biometry quantified RCs in the hematopoietic tissue. The results showed that, even at environmentally relevant concentrations, PFOA significantly influenced RCs' distribution patterns, leading to increased occurrence and cluster formation, as well as heightened exocytosis activity. This research highlights PFOA's immunotoxicity in fish and suggests the potential of RCs as sentinel cells in the immunological response to environmental contaminants. These findings enhance our understanding of PFAS toxicity and emphasise the importance of monitoring their impact on fish as representative vertebrates and reliable animal models.
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Affiliation(s)
- Maurizio Manera
- Department of Biosciences, Food and Environmental Technologies, University of Teramo, St. R. Balzarini 1, 64100 Teramo, Italy
| | - Giuseppe Castaldelli
- Department of Environmental and Prevention Sciences, University of Ferrara, St. Borsari 46, 44121 Ferrara, Italy; (G.C.); (L.G.)
| | - Luisa Giari
- Department of Environmental and Prevention Sciences, University of Ferrara, St. Borsari 46, 44121 Ferrara, Italy; (G.C.); (L.G.)
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6
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Zhang K, Zhou Y, Song W, Jiang L, Yan X. Genome-Wide RADseq Reveals Genetic Differentiation of Wild and Cultured Populations of Large Yellow Croaker. Genes (Basel) 2023; 14:1508. [PMID: 37510412 PMCID: PMC10379082 DOI: 10.3390/genes14071508] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Larimichthys crocea (also known as the large yellow croaker) is one of the most economically important marine fishes in China, and research on the ecology and genetics of this species is of immense significance. In this study, we performed restriction site-associated DNA sequencing (RAD-seq) of 54 individuals collected from four sites in China to analyze the genetic structure and diversity of large yellow croaker at the genome level. It revealed that the large yellow croaker populations in the Ningde and Zhoushan coastal waters can be clearly distinguished. Different genetic diversity indices were used to analyze the genetic diversity of the large yellow croaker, which showed that there was a differentiation trend between the wild and farmed populations in Ningde. Moreover, we identified genetically differentiated genomic regions between the populations. GO gene enrichment analysis identified genes that are related to fatty acid metabolism and growth. These findings enhance our understanding of genetic differentiation and adaptation to different living environments, providing a theoretical basis for the preservation and restoration of the genetic resources of the large yellow croaker.
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Affiliation(s)
- Kaifen Zhang
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Yongdong Zhou
- Zhejiang Marine Fisheries Research Institute, Zhoushan 316021, China
| | - Weihua Song
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China
| | - Lihua Jiang
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China
| | - Xiaojun Yan
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China
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7
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Banyoi SM, Porseryd T, Larsson J, Grahn M, Dinnétz P. The effects of exposure to environmentally relevant PFAS concentrations for aquatic organisms at different consumer trophic levels: Systematic review and meta-analyses. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 315:120422. [PMID: 36244496 DOI: 10.1016/j.envpol.2022.120422] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 10/05/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Per-and polyfluoroalkyl substances (PFAS) is a collective name for approximately 4700 synthetic chemicals ubiquitous in the aquatic environment worldwide. They are used in a wide array of products and are found in living organisms around the world. Some PFAS have been associated with cancer, developmental toxicity, endocrine disruption, and other health effects. Only a fraction of PFAS are currently monitored and regulated and the presence and effects on aquatic organisms of many PFAS are largely unknown. The aim of this study is to investigate the health effects of environmentally relevant concentrations of PFAS on aquatic organisms at different consumer trophic levels through a systematic review and meta-analysis. The main result shows that PFAS in concentrations up to 13.5 μg/L have adverse effects on body size variables for secondary consumers. However, no significant effects on liver or gonad somatic indices and neither on fecundity were found. In addition, the results show that there are large research gaps for PFAS effects on different organisms in aquatic environments at environmentally relevant concentrations. Most studies have been performed on secondary consumers and there is a substantial lack of studies on other consumers in aquatic ecosystems.
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Affiliation(s)
- Silvia-Maria Banyoi
- Department of Natural Sciences, Technology and Environmental Studies, Södertörn University, Huddinge, Sweden
| | - Tove Porseryd
- Department of Natural Sciences, Technology and Environmental Studies, Södertörn University, Huddinge, Sweden.
| | - Josefine Larsson
- Department of Natural Sciences, Technology and Environmental Studies, Södertörn University, Huddinge, Sweden; Marint Centrum, Simrishamn Kommun, Simrishamn, Sweden
| | - Mats Grahn
- Department of Natural Sciences, Technology and Environmental Studies, Södertörn University, Huddinge, Sweden
| | - Patrik Dinnétz
- Department of Natural Sciences, Technology and Environmental Studies, Södertörn University, Huddinge, Sweden
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8
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Seizurogenic effect of perfluorooctane sulfonate in zebrafish larvae. Neurotoxicology 2022; 93:257-264. [DOI: 10.1016/j.neuro.2022.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 10/03/2022] [Accepted: 10/10/2022] [Indexed: 11/07/2022]
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9
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Lin TA, Huang CW, Wei CC. Early-life perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) exposure cause obesity by disrupting fatty acids metabolism and enhancing triglyceride synthesis in Caenorhabditis elegans. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 251:106274. [PMID: 36037606 DOI: 10.1016/j.aquatox.2022.106274] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/09/2022] [Accepted: 08/18/2022] [Indexed: 06/15/2023]
Abstract
Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) are widely used and considered as emerging persistent pollutants, posing a potential threat to the aquatic ecosystem due to their metabolic toxicity. However, the effects of early-life PFOA and PFOS exposure on metabolic disruption and underlying mechanisms are not fully understood. Therefore, we investigated the effects of early-life PFOA or PFOS exposure on lipid accumulation, feeding behaviors, fatty acids composition, and possible genetic regulation using the nematode Caenorhabditis elegans as an in vivo model. Our results showed that low concentrations of PFOA and PFOS (0.1 and 1 μM) induced obesity in C. elegans, which was not due to the increased feeding rate. The altered fatty acid composition illustrated the decrease of saturated fatty acids and the increase of polyunsaturated fatty acids. Furthermore, the mutant assay and mRNA levels revealed that fatty acid desaturation related genes mdt-15, nhr-49, fat-6 as well as fatty acid (fasn-1) and triglyceride (TG) (dgat-2) synthesis related genes, were associated with the increased body fat, TG, and lipid droplet (LD) contents in C. elegans exposed to PFOA and PFOS. Hence, this present study provides the genetic regulatory information of PFOA and PFOS induced metabolic disruption of lipid metabolism and obesity.
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Affiliation(s)
- Ting-An Lin
- Institute of Food Safety and Health, College of Public Health, National Taiwan University, No. 17, Xuzhou Rd., Taipei 100, Taiwan
| | - Chi-Wei Huang
- Institute of Food Safety and Health, College of Public Health, National Taiwan University, No. 17, Xuzhou Rd., Taipei 100, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, No. 142, Haizhuan Rd., Kaohsiung 811, Taiwan
| | - Chia-Cheng Wei
- Institute of Food Safety and Health, College of Public Health, National Taiwan University, No. 17, Xuzhou Rd., Taipei 100, Taiwan; Department of Public Health, College of Public Health, National Taiwan University, No. 17, Xuzhou Rd., Taipei 100, Taiwan.
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10
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Huang Z, Zhang X, Wang X, Deji Z, Lee HK. Occurrence of Perfluoroalkyl and Polyfluoroalkyl Substances in Ice Cream, Instant Noodles, and Bubble Tea. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:10836-10846. [PMID: 35998314 DOI: 10.1021/acs.jafc.2c01434] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Food consumption is a significant exposure route to perfluoroalkyl and polyfluoroalkyl substances (PFAS). The concentrations of 27 PFAS in fast food were determined by ultrahigh-performance liquid chromatography-high resolution mass spectrometry. In ice cream, instant noodles, and bubble tea, some PFAS were detected, among which perfluorooctanoic acid, perfluoro-n-butanoic acid, and 6:2 polyfluoroalkyl phosphate monoester showed relatively high concentrations. PFAS migrating from bubble tea cups to the food simulant of 50% ethanol aqueous solution showed a difference compared with those migrating into bubble tea matrices. The migration of 27 PFAS to bubble tea samples indicated that long storage time increased PFAS levels (up to 4.8 times) and so did high storage temperature (up to 7.3 times). The hazard ratio, defined as the ratio of the estimated daily intake and the reference dose, was calculated, and it suggests that the total PFAS exposure risk due to consumption of bubble tea should be of concern.
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Affiliation(s)
- Zhenzhen Huang
- Department of Preventive Medicine, School of Public Health, Wuhan University, Wuhan 430071, P.R. China
| | - Xin Zhang
- Department of Preventive Medicine, School of Public Health, Wuhan University, Wuhan 430071, P.R. China
| | - Xin Wang
- Department of Preventive Medicine, School of Public Health, Wuhan University, Wuhan 430071, P.R. China
| | - Zhuoma Deji
- Department of Preventive Medicine, School of Public Health, Wuhan University, Wuhan 430071, P.R. China
| | - Hian Kee Lee
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
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11
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Cheng R, Zhang J, He Y, Liao C, Wang L, Zhang X. Parental exposure to waterborne selenite induces transgenerational development toxicity in zebrafish offspring. CHEMOSPHERE 2022; 303:134838. [PMID: 35561769 DOI: 10.1016/j.chemosphere.2022.134838] [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: 02/04/2022] [Revised: 04/28/2022] [Accepted: 04/30/2022] [Indexed: 06/15/2023]
Abstract
Excessive selenium (Se), especially selenite form exerts great toxicity to fish. Most studies have attached considerable attention to the adverse effects of Se on parental fish. However, the transgenerational toxicity of Se on fish has been rarely reported. In the present study, zebrafish embryos were exposed to environmentally relevant concentrations of Na₂SeO₃ (0, 12.5, 25, 50, and 100 μg/L) for 120 days. And the exposed zebrafish (F0) were allowed to spawn with normal zebrafish after sexual maturity. Subsequently, the offspring (F1) were cultured in clean water for 5 days. In the F0 generation, exposure to 100 μg/L Na₂SeO₃ significantly increased the Se content in the tissues (liver, brain and gonad) and decreased the body length and weight. After parental exposure to 100 μg/L Na₂SeO₃, the increased mortality, elevated malformation rate and reduced body length were measured in F1 zebrafish. The Se content was only significantly increased in F1 larvae derived from exposed females in the 100 μg/L exposure group. The contents of thyroid hormones (THs), growth hormone (GH) and insulin-like growth factor (IGF) significantly decreased in F0 and F1 zebrafish. The transcriptional levels of genes along the hypothalamic-pituitary-thyroid (HPT) axis and growth hormone/insulin-like growth factor (GH/IGF) axis were detected to further explore the possible mechanisms of Se-induced thyroid and growth hormone disruption. The results suggest that the toxicity of Se in zebrafish can be markedly transmitted to offspring. And the transgenerational development toxicity might be different due to the differences in gender of exposed parents.
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Affiliation(s)
- Rui Cheng
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China; Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, People's Republic of China; Key Laboratory of Environment Correlative Dietology, Ministry of Education, Wuhan, 430070, People's Republic of China
| | - Jinying Zhang
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China; Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, People's Republic of China
| | - Ya He
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China; Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, People's Republic of China
| | - Chenlei Liao
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China; Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, People's Republic of China
| | - Li Wang
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China; Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, People's Republic of China; Key Laboratory of Environment Correlative Dietology, Ministry of Education, Wuhan, 430070, People's Republic of China
| | - Xuezhen Zhang
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China; Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, People's Republic of China; Key Laboratory of Environment Correlative Dietology, Ministry of Education, Wuhan, 430070, People's Republic of China.
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12
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Adedara IA, Souza TP, Canzian J, Olabiyi AA, Borba JV, Biasuz E, Sabadin GR, Gonçalves FL, Costa FV, Schetinger MRC, Farombi EO, Rosemberg DB. Induction of aggression and anxiety-like responses by perfluorooctanoic acid is accompanied by modulation of cholinergic- and purinergic signaling-related parameters in adult zebrafish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 239:113635. [PMID: 35605321 DOI: 10.1016/j.ecoenv.2022.113635] [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: 12/06/2021] [Revised: 04/22/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
Perfluorooctanoic acid (PFOA) is a contaminant of global concern owing to its prevalent occurrence in aquatic and terrestrial environments with potential hazardous impact on living organisms. Here, we investigated the influence of realistic environmental concentrations of PFOA (0, 0.25, 0.5, or 1.0 mg/L) on relevant behaviors of adult zebrafish (Danio rerio) (e.g., exploration to novelty, social preference, and aggression) and the possible role of PFOA in modulating cholinergic and purinergic signaling in the brain after exposure for 7 consecutive days. PFOA significantly increased geotaxis as well as reduced vertical exploration (a behavioral endpoint for anxiety), and increased the frequency and duration of aggressive episodes without affecting their social preference. Exposure to PFOA did not affect ADP hydrolysis, whereas ATP and AMP hydrolysis were significantly increased at the highest concentration tested. However, AChE activity was markedly decreased in all PFOA-exposed groups when compared with control. In conclusion, PFOA induces aggression and anxiety-like behavior in adult zebrafish and modulates both cholinergic and purinergic signaling biomarkers. These novel data can provide valuable insights into possible health threats related to human activities, demonstrating the utility of adult zebrafish to elucidate how PFOA affects neurobehavioral responses in aquatic organisms.
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Affiliation(s)
- Isaac A Adedara
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria.
| | - Thiele P Souza
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Julia Canzian
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Ayodeji A Olabiyi
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Functional Food and Nutraceuticals Unit, Department of Medical Biochemistry, Afe Babalola University, Ado Ekiti, Nigeria
| | - João V Borba
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Eduarda Biasuz
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Giovana R Sabadin
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Falco L Gonçalves
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Fabiano V Costa
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Maria R C Schetinger
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Ebenezer O Farombi
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
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13
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Multi- and Transgenerational Effects of Developmental Exposure to Environmental Levels of PFAS and PFAS Mixture in Zebrafish ( Danio rerio). TOXICS 2022; 10:toxics10060334. [PMID: 35736942 PMCID: PMC9228135 DOI: 10.3390/toxics10060334] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 06/10/2022] [Accepted: 06/17/2022] [Indexed: 02/01/2023]
Abstract
Per- and polyfluoroalkyl substances (PFASs) are ubiquitous in the environment and are tied to myriad health effects. Despite the phasing out of the manufacturing of two types of PFASs (perfluorosulfonic acid (PFOS) and perfluorooctanoic acid (PFOA)), chemical composition renders them effectively indestructible by ambient environmental processes, where they thus remain in water. Exposure via water can affect both human and aquatic wildlife. PFASs easily cross the placenta, exposing the fetus at critical windows of development. Little is known about the effects of low-level exposure during this period; even less is known about the potential for multi- and transgenerational effects. We examined the effects of ultra-low, very low, and low-level PFAS exposure (7, 70, and 700 ng/L PFOA; 24, 240, 2400 ng/L PFOS; and stepwise mixtures) from 0–5 days post-fertilization (dpf) on larval zebrafish (Danio rerio) mortality, morphology, behavior and gene expression and fecundity in adult F0 and F1 fish. As expected, environmentally relevant PFAS levels did not affect survival. Morphological abnormalities were not observed until the F1 and F2 generations. Behavior was affected differentially by each chemical and generation. Gene expression was increasingly perturbed in each generation but consistently showed lipid pathway disruption across all generations. Dysregulation of behavior and gene expression is heritable, even in larvae with no direct or indirect exposure. This is the first report of the transgenerational effects of PFOA, PFOS, and their mixture in terms of zebrafish behavior and untargeted gene expression.
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14
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Yu J, Cheng W, Jia M, Chen L, Gu C, Ren HQ, Wu B. Toxicity of perfluorooctanoic acid on zebrafish early embryonic development determined by single-cell RNA sequencing. JOURNAL OF HAZARDOUS MATERIALS 2022; 427:127888. [PMID: 34862108 DOI: 10.1016/j.jhazmat.2021.127888] [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: 08/23/2021] [Revised: 11/08/2021] [Accepted: 11/20/2021] [Indexed: 05/27/2023]
Abstract
The perfluorooctanoic acid (PFOA) poses a high risk for aquatic organisms. Nevertheless, the current toxicity studies rarely report how PFOA affects different cell populations during the embryonic development of fish. Here, the zebrafish embryos at 2-30 hpf were exposed to 1-100 μg/L PFOA. The heartbeat and locomotor behavior were significantly decreased after ≥ 25 μg/L PFOA exposure. The single-cell RNA sequencing showed that PFOA exposure influenced nine cell populations, including heart cells, hatching gland cells, macrophages, lens cells, ionocytes, melanoblasts, optic cup cells, periderm cells, and differentiating neurons cells. Among them, heart cells were the most affected cell population. Functions of cardiac muscle contraction, actin cytoskeleton and oxygen binding were significantly changed in the heart cells, which were involved in the altered expressions of tnni2a.4, acta1a, atp1a1a.2, mylpfa, and so on. Besides, the changes of apoptotic process, innate immune response, and translation in lens cells, hatching gland cells, macrophages and ionocytes should also be of concern. Our study indicates that 2-30 hpf of embryonic development is the sensitivity window for the PFOA exposure. Identification of the target cell population provides clear information of the toxic endpoint of PFOA, which sheds new light on the risk assessment of PFOA on aquatic organisms.
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Affiliation(s)
- Jing Yu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, PR China
| | - Wanqing Cheng
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, PR China
| | - Min Jia
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, PR China
| | - Ling Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, PR China
| | - Cheng Gu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, PR China
| | - Hong-Qiang Ren
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, PR China
| | - Bing Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, PR China.
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15
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Li F, Liu Z, Yao L, Jiang Y, Qu M, Yu Y, Gong X, Tan Z, Li Z. Immunotoxicity of Perfluorooctanoic Acid to the Marine Bivalve Species Ruditapes philippinarum. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:426-436. [PMID: 34888925 DOI: 10.1002/etc.5263] [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: 07/20/2021] [Revised: 11/25/2021] [Accepted: 11/26/2021] [Indexed: 06/13/2023]
Abstract
Polyfluorinated alkylated substances are recognized as an important class of pollutants in marine environments. Bivalves are good model organisms for evaluating the toxicity of pollutants and monitoring marine environments. In the present study, immunotoxicity of perfluorooctanoic acid (PFOA) was investigated by measuring biomarkers of the immune profile of Ruditapes philippinarum. In bivalves, hemocytes are an important component of the immune system. Thus, hemocyte proliferation, phagocytosis, cell viability, and immune enzyme activities, which have been applied as marine pollution bioindicators, were identified and observed for changes after exposure to PFOA in R. philippinarum. Based on the integrated biomarker responses method, we selected five biomarkers to evaluate PFOA risk at the multibiomarker level. In addition, the histopathological alterations of hemocytes in bivalves were used as indexes of the response to environmental stress. The subcellular structure of the hemocytes in R. philippinarum changed significantly with PFOA exposure, including hemocyte and nucleus morphological changes, organelle dissolution, cytomembrane and karyotheca swelling, and cytoplasm vacuolization. The present study verifies PFOA immunotoxicity to R. philippinarum at different levels and the integrated assessment of stress levels caused by PFOA in marine environment. Our results will provide new insights into evaluating adverse effects of PFOA and monitoring marine ecosystem. Environ Toxicol Chem 2022;41:426-436. © 2021 SETAC.
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Affiliation(s)
- Fengling Li
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, People's Republic of China
| | - Zhiyu Liu
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, People's Republic of China
| | - Lin Yao
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, People's Republic of China
| | - Yanhua Jiang
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, People's Republic of China
| | - Meng Qu
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, People's Republic of China
| | - Yongxing Yu
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, People's Republic of China
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China
| | - Xiuqiong Gong
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, People's Republic of China
- College of Marine Sciences, Shanghai Ocean University, Shanghai, People's Republic of China
| | - Zhijun Tan
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, People's Republic of China
- Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, People's Republic of China
| | - Zhaojie Li
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, People's Republic of China
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16
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Li F, Yu Y, Guo M, Lin Y, Jiang Y, Qu M, Sun X, Li Z, Zhai Y, Tan Z. Integrated analysis of physiological, transcriptomics and metabolomics provides insights into detoxication disruption of PFOA exposure in Mytilus edulis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 214:112081. [PMID: 33677383 DOI: 10.1016/j.ecoenv.2021.112081] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/15/2021] [Accepted: 02/17/2021] [Indexed: 05/14/2023]
Abstract
Perfluorooctanoic acid (PFOA), a persistent environmental contaminant, resists environmental degradation and bioaccumulates in food chains. Lots of literatures have proved that PFOA exposure could disrupt detoxifying function in a variety of organisms, however, it still remained poorly known about this in mollusk. Here, we examined physiological, transcriptomic, and metabolomic responses to PFOA in Mytilus edulis, a model organism frequently used in studies of aquatic pollution. We aimed to characterize PFOA-induced stress responses and detoxification mechanisms. PFOA exposure significantly altered antioxidant enzyme activity levels and the abundances of lipid peroxidation products. In addition, transcriptomic analysis indicated that several genes associated with oxidative stress and detoxication were differentially expressed after PFOA exposure. In combination, transcriptomic and metabolomic analyses showed that PFOA exposure disturbed several metabolic processes in M. edulis, including the lipid metabolism, amino acid metabolism, and carbohydrate metabolism etc. Molecular examination and enzymes assay of PFOA-exposed M. edulis after a 7-day depuration period still did not recover to control levels. The Pathway enrichment analysis proved that several pathways related to detoxification, such as c-Jun N-terminal kinase (JNK) and p38-dependent mitogen-activated protein kinase (MAPK) pathway, Peroxisome proliferator-activated receptor γ (PPARγ) pathway etc, were obviously affected. The present work verifies firstly PFOA disruption to molluscan detoxification and identifies the key pathways to understand the molecular mechanisms thereof. This study provides new insights into the detoxication disruption invoked in response to PFOA exposure in M. edulis.
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Affiliation(s)
- Fengling Li
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China
| | - Yongxing Yu
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China; College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Mengmeng Guo
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China
| | - Yao Lin
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China
| | - Yanhua Jiang
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China
| | - Meng Qu
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China
| | - Xiaojie Sun
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China
| | - Zhaoxin Li
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China
| | - Yuxiu Zhai
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China
| | - Zhijun Tan
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, PR China.
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17
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Bartlett AJ, De Silva AO, Schissler DM, Hedges AM, Brown LR, Shires K, Miller J, Sullivan C, Spencer C, Parrott JL. Lethal and sublethal toxicity of perfluorooctanoic acid (PFOA) in chronic tests with Hyalella azteca (amphipod) and early-life stage tests with Pimephales promelas (fathead minnow). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 207:111250. [PMID: 32920311 DOI: 10.1016/j.ecoenv.2020.111250] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 08/19/2020] [Accepted: 08/24/2020] [Indexed: 06/11/2023]
Abstract
Perfluoroalkyl substances (PFAS), including perfluorooctanoic acid (PFOA), are industrial chemicals that are of concern due to their environmental presence, persistence, bioaccumulative potential, toxicity, and capacity for long-range transport. Despite a large body of research on environmental exposure, insufficient chronic aquatic toxicity data exist to develop water quality targets for clean-up of federal contaminated sites in Canada. Thus, our objective was to assess the aqueous toxicity of PFOA in chronic tests with Hyalella azteca (amphipod) and early-life stage tests with Pimephales promelas (fathead minnow). Toxicity data were analyzed based on measured PFOA concentrations. Amphipod exposures were 42 d (0.84-97 mg/L) and examined survival, growth, and reproduction. Fathead minnow exposures were 21 d (0.010-76 mg/L), which encompassed hatching (5 d) and larval stages until 16 d post-hatch; endpoints included hatching success, deformities at hatch, and larval survival and growth. Amphipod survival was significantly reduced at 97 mg/L (42-d LC50 = 51 mg/L), but growth and reproduction were more sensitive endpoints (42-d EC50 for both endpoints = 2.3 mg/L). Fathead minnows were less sensitive than amphipods, exhibiting no significant effects in all endpoints with the exception of uninflated swim bladder, which was significantly higher at 76 mg/L (15%) than controls (0%). Maximum concentrations of PFOA are generally in the ng/L range in global surface waters, but can reach the μg/L range in close proximity to major source inputs; therefore, environmental concentrations are well below those that caused toxicity in the current study. Our data will provide valuable information with which to assess the risk of PFOA at contaminated sites, and to set a target for site remediation.
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Affiliation(s)
- Adrienne J Bartlett
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada.
| | - Amila O De Silva
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
| | - Daniel M Schissler
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
| | - Amanda M Hedges
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
| | - Lisa R Brown
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
| | - Kallie Shires
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
| | - Jason Miller
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
| | - Cheryl Sullivan
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
| | - Christine Spencer
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
| | - Joanne L Parrott
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
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18
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Wang Z, Li C, Shao Y, Xue W, Wang N, Xu X, Zhang Z. Antioxidant defense system responses, lysosomal membrane stability and DNA damage in earthworms (Eisenia fetida) exposed to perfluorooctanoic acid: an integrated biomarker approach to evaluating toxicity. RSC Adv 2021; 11:26481-26492. [PMID: 35479973 PMCID: PMC9037344 DOI: 10.1039/d1ra04097a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 07/28/2021] [Indexed: 12/31/2022] Open
Abstract
Perfluorooctanoic acid (PFOA) is one of the most representative perfluoroalkyl substances and has garnered intense human and ecological health concerns due to its ubiquity in the environment, bio-accumulative nature and potential toxicological effects. In this study, an artificial soil containing PFOA was used to evaluate the biological toxicity of PFOA to earthworms Eisenia fetida. Six kinds of oxidative stress biomarkers, including superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione S-transferase (GST), reduced glutathione (GSH) and lipid peroxidation (LPO), as well as lysosomal membrane stability (LMS) and DNA damage in earthworms were detected after exposure to 0, 10, 20, 40, 80 and 120 mg kg−1 PFOA in the soil for 3, 7, 14, 28, and 42 days. The results of multi-biomarker responses indicated that PFOA can induce various adverse effects on earthworms, including growth inhibition, oxidative stress and genotoxicity, resulting in lipid membrane peroxidation, decreased lysosomal membrane stability and DNA damage. LPO, LMS and DNA damage all presented dose- and time-dependent relationships. An integrated biomarker response (IBR) index was applied to summarize the multi-biomarker responses to star plots, and the IBR value was calculated as the area of the plots to indicate the integrated stress of PFOA on earthworms. The IBR index showed that the integrated stress induced by PFOA increased markedly throughout the exposure period, exhibiting a concentration-related and exposure time-related effect. The graphical changing trend of the IBR star plots, along with the multi-biomarker responses, suggested that the biomarkers of the antioxidant defense system in earthworms are sufficiently sensitive for short-term PFOA biomonitoring programs, while the bioindicators that indicate actual damage in organisms are more suitable to be employed in long-term monitoring programs for the risk assessment of PFOA. This is the first study evaluating the biological toxicity of PFOA by using an integrated biomarker approach. Our results showed that PFOA can potentially damage soil ecosystems, which provides valuable information for chemical risk assessment of PFOA in the soil environment and early warning bioindicators of soils contaminated by PFOA. The integrated biomarker response (IBR) index was calculated to evaluate the integrated toxicological effects of PFOA on earthworm Eisenia fetida.![]()
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Affiliation(s)
- Zhifeng Wang
- School of Municipal and Environmental Engineering
- Shandong Jianzhu University
- Jinan 250101
- P. R. China
| | - Chaona Li
- Jiangxi Nuclear Industry Geological Bureau Testing Center
- Nanchang 330002
- P. R. China
| | - Yuanyuan Shao
- School of Municipal and Environmental Engineering
- Shandong Jianzhu University
- Jinan 250101
- P. R. China
| | - Weina Xue
- School of Municipal and Environmental Engineering
- Shandong Jianzhu University
- Jinan 250101
- P. R. China
| | - Ning Wang
- School of Municipal and Environmental Engineering
- Shandong Jianzhu University
- Jinan 250101
- P. R. China
| | - Xiaoming Xu
- School of Municipal and Environmental Engineering
- Shandong Jianzhu University
- Jinan 250101
- P. R. China
| | - Zhibin Zhang
- School of Municipal and Environmental Engineering
- Shandong Jianzhu University
- Jinan 250101
- P. R. China
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19
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Shetty D, Jahović I, Skorjanc T, Erkal TS, Ali L, Raya J, Asfari Z, Olson MA, Kirmizialtin S, Yazaydin AO, Trabolsi A. Rapid and Efficient Removal of Perfluorooctanoic Acid from Water with Fluorine-Rich Calixarene-Based Porous Polymers. ACS APPLIED MATERIALS & INTERFACES 2020; 12:43160-43166. [PMID: 32851843 DOI: 10.1021/acsami.0c13400] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
On account of its nonbiodegradable nature and persistence in the environment, perfluorooctanoic acid (PFOA) accumulates in water resources and poses serious environmental issues in many parts of the world. Here, we present the development of two fluorine-rich calix[4]arene-based porous polymers, FCX4-P and FCX4-BP, and demonstrate their utility for the efficient removal of PFOA from water. These materials featured Brunauer-Emmett-Teller (BET) surface areas of up to 450 m2 g-1, which is slightly lower than their nonfluorinated counterparts (up to 596 m2 g-1). FCX4-P removes PFOA at environmentally relevant concentrations with a high rate constant of 3.80 g mg-1 h-1 and reached an exceptional maximum PFOA uptake capacity of 188.7 mg g-1. In addition, it could be regenerated by simple methanol wash and reused without a significant decrease in performance.
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Affiliation(s)
- Dinesh Shetty
- Science Division, New York University Abu Dhabi, Saadiyat Island, Abu Dhabi, UAE
- Department of Chemistry, Khalifa University of Science and Technology, P.O. Box: 127788, Abu Dhabi, UAE
- Center for Catalysis and Separations, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, UAE
| | - Ilma Jahović
- Science Division, New York University Abu Dhabi, Saadiyat Island, Abu Dhabi, UAE
| | - Tina Skorjanc
- Science Division, New York University Abu Dhabi, Saadiyat Island, Abu Dhabi, UAE
| | - Turan Selman Erkal
- Department of Chemical Engineering, University College London, Torrington Place, London WC1E 7JE, U.K
| | - Liaqat Ali
- Core Technology Platform, New York University Abu Dhabi, Saadiyat Island, Abu Dhabi, UAE
| | - Jesus Raya
- Membrane Biophysics and NMR, Institute of Chemistry, University of Strasbourg, CNRS, UMR 7177 Strasbourg, France
| | - Zouhair Asfari
- Laboratoire de Chimie Analytique et Sciences Séparatives, Institut Pluridisciplinaire Hubert Curien, 67087 Strasbourg Cedex, France
| | - Mark A Olson
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Institute for Molecular Design and Synthesis, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Serdal Kirmizialtin
- Science Division, New York University Abu Dhabi, Saadiyat Island, Abu Dhabi, UAE
| | - A Ozgur Yazaydin
- Department of Chemical Engineering, University College London, Torrington Place, London WC1E 7JE, U.K
| | - Ali Trabolsi
- Science Division, New York University Abu Dhabi, Saadiyat Island, Abu Dhabi, UAE
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Zhang L, Meng Z, Chen L, Zhang G, Zhang W, Tian Z, Wang Z, Yu S, Zhou Z, Diao J. Perfluorooctanoic acid exposure impact a trade-off between self-maintenance and reproduction in lizards (Eremias argus) in a gender-dependent manner. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 262:114341. [PMID: 32182535 DOI: 10.1016/j.envpol.2020.114341] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/14/2020] [Accepted: 03/05/2020] [Indexed: 06/10/2023]
Abstract
The trade-off between self-maintenance and reproduction has been explored wildly in reptiles. However, the effects of exogenous pollutants on the life history traits of reptiles have not been paid attention to. In the current study, lizards (Eremias argus), living in the soil polluted by perfluorooctanoic acid (PFOA) were selected as the main focus. Bodyweight, survival rate, clutch characteristics and biochemical analysis (immune response, lipid accumulation, sex steroid secretion, antioxidant level, and metabolomics) were investigated and the results revealed that lizards' life-history trade-offs are gender-dependent: females were more inclined to choose a "Conservative" life-history strategy. After 60 days of exposure to PFOA, larger body weight, higher survival rate, stronger immune response, and lighter egg mass in females suggested that their trade-offs are more biased towards self-maintenance. Whereas, the "Risk" strategy would more popular among males: reduced body weight and survival rate, and suffering from oxidative damage indicated that males made little investment in self-maintenance.
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Affiliation(s)
- Luyao Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Zhiyuan Meng
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Li Chen
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Guiting Zhang
- Department of Industrial Development, China Crop Protection Industry Association, Rm.918,Building 16, An Hui Li Forth Section, Chaoyang, Beijing, 100723, China
| | - Wenjun Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Zhongnan Tian
- Institute for Environmental Reference Materials of Ministry of Ecology and Environment, Beijing,State Environmental Protection Key Laboratory of Environmental Pollutant Metrology and Reference Materials, Beijing, 100029, PR China
| | - Zikang Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Simin Yu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Zhiqiang Zhou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Jinling Diao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China.
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21
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Gaballah S, Swank A, Sobus JR, Howey XM, Schmid J, Catron T, McCord J, Hines E, Strynar M, Tal T. Evaluation of Developmental Toxicity, Developmental Neurotoxicity, and Tissue Dose in Zebrafish Exposed to GenX and Other PFAS. ENVIRONMENTAL HEALTH PERSPECTIVES 2020; 128:47005. [PMID: 32271623 PMCID: PMC7228129 DOI: 10.1289/ehp5843] [Citation(s) in RCA: 194] [Impact Index Per Article: 48.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) are a diverse class of industrial chemicals with widespread environmental occurrence. Exposure to long-chain PFAS is associated with developmental toxicity, prompting their replacement with short-chain and fluoroether compounds. There is growing public concern over the safety of replacement PFAS. OBJECTIVE We aimed to group PFAS based on shared toxicity phenotypes. METHODS Zebrafish were developmentally exposed to 4,8-dioxa-3H-perfluorononanoate (ADONA), perfluoro-2-propoxypropanoic acid (GenX Free Acid), perfluoro-3,6-dioxa-4-methyl-7-octene-1-sulfonic acid (PFESA1), perfluorohexanesulfonic acid (PFHxS), perfluorohexanoic acid (PFHxA), perfluoro-n-octanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS), or 0.4% dimethyl sulfoxide (DMSO) daily from 0-5 d post fertilization (dpf). At 6 dpf, developmental toxicity and developmental neurotoxicity assays were performed, and targeted analytical chemistry was used to measure media and tissue doses. To test whether aliphatic sulfonic acid PFAS cause the same toxicity phenotypes, perfluorobutanesulfonic acid (PFBS; 4-carbon), perfluoropentanesulfonic acid (PFPeS; 5-carbon), PFHxS (6-carbon), perfluoroheptanesulfonic acid (PFHpS; 7-carbon), and PFOS (8-carbon) were evaluated. RESULTS PFHxS or PFOS exposure caused failed swim bladder inflation, abnormal ventroflexion of the tail, and hyperactivity at nonteratogenic concentrations. Exposure to PFHxA resulted in a unique hyperactivity signature. ADONA, PFESA1, or PFOA exposure resulted in detectable levels of parent compound in larval tissue but yielded negative toxicity results. GenX was unstable in DMSO, but stable and negative for toxicity when diluted in deionized water. Exposure to PFPeS, PFHxS, PFHpS, or PFOS resulted in a shared toxicity phenotype characterized by body axis and swim bladder defects and hyperactivity. CONCLUSIONS All emerging fluoroether PFAS tested were negative for evaluated outcomes. Two unique toxicity signatures were identified arising from structurally dissimilar PFAS. Among sulfonic acid aliphatic PFAS, chemical potencies were correlated with increasing carbon chain length for developmental neurotoxicity, but not developmental toxicity. This study identified relationships between chemical structures and in vivo phenotypes that may arise from shared mechanisms of PFAS toxicity. These data suggest that developmental neurotoxicity is an important end point to consider for this class of widely occurring environmental chemicals. https://doi.org/10.1289/EHP5843.
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Affiliation(s)
- Shaza Gaballah
- Oak Ridge Institute for Science and Education, Integrated Systems Toxicology Division (ISTD), National Health and Environmental Effects Research Laboratory (NHEERL), Office of Research and Development (ORD), U.S. Environmental Protection Agency (EPA), Research Triangle Park, North Carolina, USA
| | - Adam Swank
- Research Cores Unit, NHEERL, ORD, U.S. EPA, Research Triangle Park, North Carolina, USA
| | - Jon R. Sobus
- Exposure Methods and Measurement Division, National Exposure Research Laboratory, ORD, U.S. EPA, Research Triangle Park, North Carolina, USA
| | - Xia Meng Howey
- Oak Ridge Institute for Science and Education, Integrated Systems Toxicology Division (ISTD), National Health and Environmental Effects Research Laboratory (NHEERL), Office of Research and Development (ORD), U.S. Environmental Protection Agency (EPA), Research Triangle Park, North Carolina, USA
| | - Judith Schmid
- Toxicology Assessment Division, NHEERL, ORD, U.S. EPA, Research Triangle Park, North Carolina, USA
| | - Tara Catron
- Oak Ridge Institute for Science and Education, Integrated Systems Toxicology Division (ISTD), National Health and Environmental Effects Research Laboratory (NHEERL), Office of Research and Development (ORD), U.S. Environmental Protection Agency (EPA), Research Triangle Park, North Carolina, USA
| | - James McCord
- Exposure Methods and Measurement Division, National Exposure Research Laboratory, ORD, U.S. EPA, Research Triangle Park, North Carolina, USA
| | - Erin Hines
- National Center for Environmental Assessment, ORD, U.S. EPA, Research Triangle Park, North Carolina, USA
| | - Mark Strynar
- Exposure Methods and Measurement Division, National Exposure Research Laboratory, ORD, U.S. EPA, Research Triangle Park, North Carolina, USA
| | - Tamara Tal
- ISTD, NHEERL, ORD, U.S. EPA, Research Triangle Park, North Carolina, USA
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22
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Lee JW, Choi K, Park K, Seong C, Yu SD, Kim P. Adverse effects of perfluoroalkyl acids on fish and other aquatic organisms: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 707:135334. [PMID: 31874399 DOI: 10.1016/j.scitotenv.2019.135334] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 10/29/2019] [Accepted: 10/31/2019] [Indexed: 06/10/2023]
Abstract
Perfluoroalkyl acids (PFAAs) have been widely used in many industrial and consumer products. They have been detected ubiquitously in ambient water along with other environmental matrices, and their adverse effects on aquatic organisms have been a subject of active investigation. Here, we intended to summarize and synthesize the existing body of knowledge on PFAA toxicity through an extensive literature review, and shed light on areas where further research is warranted. PFAA toxicity appears to be influenced by the sex and developmental stages of aquatic organisms, but not significantly by exposure route. PFAA-induced aquatic toxicity could be classified as metabolism disturbance, reproduction disruption, oxidative stress, developmental toxicity, thyroid disruption, etc. At the molecular level, these responses can be initiated by key events, such as nuclear receptor activation, reactive oxygen species induction, or interaction with a membrane, followed by a cascade of downstream responses. PFAA-induced toxicity involves diverse metabolic processes, and therefore elucidating crosstalk or interactions among diverse metabolic pathways is a challenging task. In the presence of other chemicals, PFAAs can function as agonists or antagonists, resulting in different directions of combined toxicity. Therefore, mixture toxicity with other groups of chemicals is another research opportunity. Experimental evidence supports the trans-generational toxicity of PFAAs, suggesting that their long-term consequences for aquatic ecosystems should become of concern. A recent global ban of several PFAAs resulted in an increasing dependence on PFAA alternatives. The lack of sufficient toxicological information on this emerging group of chemicals warrant caution and rigorous toxicological assessments.
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Affiliation(s)
- Jin Wuk Lee
- Research Department of Environmental Health, National Institute of Environmental Research, Incheon 404-708, Republic of Korea
| | - Kyungho Choi
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Republic of Korea
| | - Kyunghwa Park
- Research Department of Environmental Health, National Institute of Environmental Research, Incheon 404-708, Republic of Korea
| | - Changho Seong
- Research Department of Environmental Health, National Institute of Environmental Research, Incheon 404-708, Republic of Korea
| | - Seung Do Yu
- Research Department of Environmental Health, National Institute of Environmental Research, Incheon 404-708, Republic of Korea
| | - Pilje Kim
- Research Department of Environmental Health, National Institute of Environmental Research, Incheon 404-708, Republic of Korea.
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23
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Wang J, Shi G, Yao J, Sheng N, Cui R, Su Z, Guo Y, Dai J. Perfluoropolyether carboxylic acids (novel alternatives to PFOA) impair zebrafish posterior swim bladder development via thyroid hormone disruption. ENVIRONMENT INTERNATIONAL 2020; 134:105317. [PMID: 31733528 DOI: 10.1016/j.envint.2019.105317] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/07/2019] [Accepted: 11/06/2019] [Indexed: 05/26/2023]
Abstract
Perfluoropolyether carboxylic acids (PFECAs, CF3(OCF2)nCOO-, n = 2-5) are novel alternatives to perfluorooctanoic acid (PFOA) and are widely used in industrial production. However, although they have been detected in surface water and human blood, their toxicities on aquatic organisms remain unknown. We used zebrafish embryos to compare the developmental toxicities of various PFECAs (e.g., perfluoro (3,5,7-trioxaoctanoic) acid (PFO3OA), perfluoro (3,5,7,9-tetraoxadecanoic) acid (PFO4DA), and perfluoro (3,5,7,9,11-pentaoxadodecanoic) acid (PFO5DoDA)) with that of PFOA and to further reveal the key events related to toxicity caused by these chemicals. Results showed that, based on half maximal effective concentrations (EC50), toxicity increased in the order: PFO5DoDA > PFO4DA > PFOA > PFO3OA, with uninflated posterior swim bladders the most frequently observed malformation. Similar to PFOA, PFECA exposure significantly lowered thyroid hormone (TH) levels (e.g., T3 (3,5,3'-L-triiodothyronine) and T4 (L-thyroxine)) in the whole body of larvae at 5 d post-fertilization following disrupted TH metabolism. In addition, the transcription of UDP glucuronosyltransferase 1 family a, b (ugt1ab), a gene related to TH metabolism, increased dose-dependently. Exogeneous T3 or T4 supplementation partly rescued PFECA-induced posterior swim bladder malformation. Our results further suggested that PFECAs primarily damaged the swim bladder mesothelium during early development. This study is the first to report on novel emerging PFECAs as thyroid disruptors causing swim bladder malformation. Furthermore, given that PFECA toxicity increased with backbone OCF2 moieties, they may not be safer alternatives to PFOA.
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Affiliation(s)
- Jinxing Wang
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Guohui Shi
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jingzhi Yao
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Nan Sheng
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Ruina Cui
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Zhaoben Su
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Yong Guo
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Jiayin Dai
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
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24
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Morphological evidence of neurotoxic effects in chicken embryos after exposure to perfluorooctanoic acid (PFOA) and inorganic cadmium. Toxicology 2019; 427:152286. [DOI: 10.1016/j.tox.2019.152286] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 08/01/2019] [Accepted: 09/02/2019] [Indexed: 01/09/2023]
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25
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Hoover G, Kar S, Guffey S, Leszczynski J, Sepúlveda MS. In vitro and in silico modeling of perfluoroalkyl substances mixture toxicity in an amphibian fibroblast cell line. CHEMOSPHERE 2019; 233:25-33. [PMID: 31163305 DOI: 10.1016/j.chemosphere.2019.05.065] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 06/09/2023]
Abstract
Poly and perfluoroalkyl substances (PFAS) are a large group of emerging organic pollutants that can persist in the environment and bioaccumulate in biota. They are found in complex mixtures, and although the exact number of PFAS is unknown, it has been estimated to be in the thousands. The objective of this study was two-fold. First, we examined the cytotoxicity of PFAS singly and in binary mixtures using an amphibian fibroblast cell line. Second, we used this experimental data to develop quantitative structure-activity relationship (QSAR) models for single and binary mixtures. We tested the cytotoxicity of four common PFAS: perfluorooctane sulfonate (PFOS); perfluorooctanoic acid (PFOA); perfluorohexane sulfonate (PFHxS); and perfluorohexanoic acid (PFHxA). PFOS was the most toxic and PFHxA the least cytotoxic. Binary mixtures allowed for the construction of isobolograms to test for additivity, synergism, or antagonism. Using this data, QSAR modeling was used for predicting the toxicity of 24 single and 1380 binary mixtures (theoretically generated). Overall, our experimental and modeling results showed that mixtures were approximately additive, with the exception of PFOS and PFOA, which were found to be weakly synergistic. This data shows that certain mixtures of PFAS may have increased toxicity potential above what the simple sum of PFAS concentrations would suggest. More studies are needed that test the toxicity of PFAS mixtures.
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Affiliation(s)
- Gary Hoover
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907, USA
| | - Supratik Kar
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Physics and Atmospheric Sciences, Jackson State University, Jackson, MS 39217, USA
| | - Samuel Guffey
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907, USA
| | - Jerzy Leszczynski
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Physics and Atmospheric Sciences, Jackson State University, Jackson, MS 39217, USA
| | - Maria S Sepúlveda
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907, USA.
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26
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Lv D, Gu Y, Guo M, Hou P, Li Y, Wu R. Perfluorooctanoic acid exposure induces apoptosis in SMMC-7721 hepatocellular cancer cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 247:509-514. [PMID: 30703684 DOI: 10.1016/j.envpol.2019.01.035] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 01/09/2019] [Accepted: 01/09/2019] [Indexed: 06/09/2023]
Abstract
To better understand the toxicological activities of perfluorooctanoic acid (PFOA), we examined the effects of PFOA on apoptosis and its molecular mechanism in SMMC-7721 hepatoma cells. Cell viability was evaluated by MTT assay and apoptosis was determined by flow cytometry. Western blot and quantitative real-time PCR were used to examine the protein and gene expressions of Bax and Bcl-2. Our results showed that PFOA inhibited SMMC-7721 cell growth and induced apoptosis. PFOA treatment increased Bax expression and increased Bcl-2 expression at both gene and protein levels. Our study demonstrated that PFOA had toxic effects on SMMC-7721 cells, such as inhibiting cell proliferation and inducing apoptosis. Furthermore, we showed that PFOA-mediated induction of apoptosis involved inducing Bax and decreasing Bcl-2 expression as a molecular mechanism of its toxicological effects.
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Affiliation(s)
- Da Lv
- School of Forestry and Bio-technology, Zhejiang Agricultural & Forestry University, Hangzhou, Zhejiang, 311300, China
| | - Yi Gu
- School of Forestry and Bio-technology, Zhejiang Agricultural & Forestry University, Hangzhou, Zhejiang, 311300, China
| | - Ming Guo
- School of Forestry and Bio-technology, Zhejiang Agricultural & Forestry University, Hangzhou, Zhejiang, 311300, China; School of Science, Zhejiang Agricultural & Forestry University, Hangzhou, Zhejiang, 311300, China.
| | - Ping Hou
- School of Forestry and Bio-technology, Zhejiang Agricultural & Forestry University, Hangzhou, Zhejiang, 311300, China
| | - Yan Li
- School of Forestry and Bio-technology, Zhejiang Agricultural & Forestry University, Hangzhou, Zhejiang, 311300, China
| | - Ronghui Wu
- School of Science, Zhejiang Agricultural & Forestry University, Hangzhou, Zhejiang, 311300, China
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27
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Annunziato KM, Jantzen CE, Gronske MC, Cooper KR. Subtle morphometric, behavioral and gene expression effects in larval zebrafish exposed to PFHxA, PFHxS and 6:2 FTOH. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 208:126-137. [PMID: 30669116 PMCID: PMC6396680 DOI: 10.1016/j.aquatox.2019.01.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 01/11/2019] [Accepted: 01/11/2019] [Indexed: 05/06/2023]
Abstract
Recent studies of perfluoroalkylated substances (PFASs) have focused on the toxicity of long chain PFASs, such as PFOS or PFOA, which have been demonstrated to cause an array of developmental and behavioral effects. However, less is known about low molecular weight PFASs and alternatives. This study examined the morphometric and behavioral effects in zebrafish following developmental exposures of C6 PFASs: perfluorohexanoic acid, PFHxA, perfluorohexane sulfonate, PFHxS, and 6:2 fluorotelomer alcohol, 6:2 FTOH. Embryos were exposed to 0.02-20 μM concentrations of these compounds from the high stage (˜3 h post fertilization, hpf) until 120 hpf. Morphometric and gene expression endpoints were examined at 120 hpf. Genes selected for analysis were previously shown to be altered in zebrafish developmentally exposed to PFOS and PFOA. Additionally, exposed larvae were transferred to clean water and reared until 14 days post fertilization, dpf, when behavioral assays were completed and morphometric endpoints examined. While PFHxA was found to be the most acutely toxic at 120 hpf, few morphometric effects were observed. Gene expression was the most sensitive endpoint with significant increased tgfb1a, bdnf, and ap1s1 expression observed with PFHxA exposure. PFHxS exposure produced morphometric effects in the larvae, specifically increased length and yolk sac area at 2 and 20 μM. This phenotype persisted to the 14 dpf time point, where these larvae additionally displayed decreased distance traveled and crosses through the center of the arena of the behavioral assay. Exposure to 6:2 FTOH caused no morphometric effects at 120 hpf, and this compound was the least acutely toxic. However, expression of both tgfb1a and bdnf were increased by greater than 2 fold change at this time point. Effects also persisted to 14 dpf where a significant increase in distance traveled and velocity were observed in the behavioral assay. This study demonstrates effects on behavioral, morphometric and gene expression endpoints with developmental PFHxA, PFHxS, and 6:2 FTOH exposures in zebrafish.
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Affiliation(s)
- Kate M Annunziato
- Joint Graduate Program in Toxicology, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA.
| | - Carrie E Jantzen
- Department of Environmental Science, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Melissa C Gronske
- Department of Animal Science, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Keith R Cooper
- Joint Graduate Program in Toxicology, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA; Department of Environmental Science, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA; Department of Animal Science, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA.
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28
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Zhang S, Guo X, Lu S, Sang N, Li G, Xie P, Liu C, Zhang L, Xing Y. Exposure to PFDoA causes disruption of the hypothalamus-pituitary-thyroid axis in zebrafish larvae. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 235:974-982. [PMID: 29751401 DOI: 10.1016/j.envpol.2018.01.015] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Revised: 01/06/2018] [Accepted: 01/07/2018] [Indexed: 06/08/2023]
Abstract
Perfluorododecanoic acid (PFDoA), a kind of perfluorinated carboxylic acid (PFCA) with 12 carbon atoms, has an extensive industrial utilization and is widespread in both wildlife and the water environment, and was reported to have the potential to cause a disruption in the thyroid hormone system homeostasis. In this study, zebrafish embryos/larvae were exposed to different concentrations of PFDoA (0, 0.24, 1.2, 6 mg/L) for 96 h post-fertilization (hpf). PFDoA exposure caused obvious growth restriction connected with the reduced thyroid hormones (THs) contents in zebrafish larvae, strengthening the interference effect on the growth of fish larvae. The transcriptional level of genes within the hypothalamic-pituitary-thyroid (HPT) axis was analyzed. The gene expression levels of thyrotropin-releasing hormone (trh) and corticotrophin-releasing hormone (crh) were upregulated upon exposure to 6 mg/L of PFDoA, and iodothyronine deiodinases (dio2) was upregulated in the 1.2 mg/L PFDoA group. The transcription of thyroglobulin (tg) and thyroid receptor (trβ) were significantly downregulated upon exposure to 1.2 mg/L and 6 mg/L of PFDoA. PFDoA could also decrease the levels of sodium/iodide symporter (nis) and transthyretin (ttr) gene expression in a concentration-dependent manner after exposure. A significant decrease in thyroid-stimulating hormoneβ (tshβ), uridinediphosphate-glucuronosyltransferase (ugt1ab) and thyroid receptor (trα) gene expression were observed at 6 mg/L PFDoA exposure. Upregulation and downregulation of iodothyronine deiodinases (dio1) gene expression were observed upon the treatment of 1.2 mg/L and 6 mg/L PFDoA, respectively. All the data demonstrated that gene expression in the HPT axis altered after different PFDoA treatment and the potential mechanisms of the disruption of thyroid status could occur at several steps in the process of synthesis, regulation, and action of thyroid hormones.
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Affiliation(s)
- Shengnan Zhang
- College of Environment and Resource, Shanxi University, Taiyuan 030006, China; State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria and Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Xiaochun Guo
- State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria and Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Shaoyong Lu
- State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria and Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Nan Sang
- College of Environment and Resource, Shanxi University, Taiyuan 030006, China.
| | - Guangyu Li
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Ping Xie
- Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology of China, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Chunsheng Liu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Liguo Zhang
- College of Environment and Resource, Shanxi University, Taiyuan 030006, China
| | - Yi Xing
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100012, China
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29
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Wen W, Xia X, Hu D, Zhou D, Wang H, Zhai Y, Lin H. Long-Chain Perfluoroalkyl acids (PFAAs) Affect the Bioconcentration and Tissue Distribution of Short-Chain PFAAs in Zebrafish (Danio rerio). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:12358-12368. [PMID: 28988481 DOI: 10.1021/acs.est.7b03647] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Short- and long-chain perfluoroalkyl acids (PFAAs), ubiquitously coexisting in the environment, can be accumulated in organisms by binding with proteins and their binding affinities generally increase with their chain length. Therefore, we hypothesized that long-chain PFAAs will affect the bioconcentration of short-chain PFAAs in organisms. To testify this hypothesis, the bioconcentration and tissue distribution of five short-chain PFAAs (linear C-F = 3-6) were investigated in zebrafish in the absence and presence of six long-chain PFAAs (linear C-F = 7-11). The results showed that the concentrations of the short-chain PFAAs in zebrafish tissues increased with exposure time until steady states reached in the absence of long-chain PFAAs. However, in the presence of long-chain PFAAs, these short-chain PFAAs in tissues increased until peak values reached and then decreased until steady states, and the uptake and elimination rate constants of short-chain PFAAs declined in all tissues and their BCFss decreased by 24-89%. The inhibitive effect of long-chain PFAAs may be attributed to their competition for transporters and binding sites of proteins in zebrafish with short-chain PFAAs. These results suggest that the effect of long-chain PFAAs on the bioconcentration of short-chain PFAAs should be taken into account in assessing the ecological and environmental effects of short-chain PFAAs.
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Affiliation(s)
- Wu Wen
- School of Environment, Beijing Normal University , State Key Laboratory of Water Environment Simulation, Beijing 100875, China
| | - Xinghui Xia
- School of Environment, Beijing Normal University , State Key Laboratory of Water Environment Simulation, Beijing 100875, China
| | - Diexuan Hu
- School of Environment, Beijing Normal University , State Key Laboratory of Water Environment Simulation, Beijing 100875, China
| | - Dong Zhou
- School of Environment, Beijing Normal University , State Key Laboratory of Water Environment Simulation, Beijing 100875, China
| | - Haotian Wang
- School of Environment, Beijing Normal University , State Key Laboratory of Water Environment Simulation, Beijing 100875, China
| | - Yawei Zhai
- School of Environment, Beijing Normal University , State Key Laboratory of Water Environment Simulation, Beijing 100875, China
| | - Hui Lin
- School of Environment, Beijing Normal University , State Key Laboratory of Water Environment Simulation, Beijing 100875, China
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30
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Weiss-Errico MJ, Berry JP, O'Shea KE. β-Cyclodextrin Attenuates Perfluorooctanoic Acid Toxicity in the Zebrafish Embryo Model. TOXICS 2017; 5:toxics5040031. [PMID: 29113040 PMCID: PMC5750559 DOI: 10.3390/toxics5040031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 10/31/2017] [Accepted: 11/01/2017] [Indexed: 01/14/2023]
Abstract
Perfluorooctanoic acid (PFOA) has been linked to negative health outcomes including cancer, thyroid disease, infertility, and developmental delays. β-Cyclodextrin (β-CD), a cyclic sugar, has been previously shown to form strong host–guest complexes with PFOA, and is proposed as a means of environmental remediation with respect to this widespread contaminant. In the present study, β-CD was directly examined with regards to possible attenuation of the toxicity of PFOA specifically employing the zebrafish (Danio rerio) embryo model. Zebrafish embryos were exposed to various concentrations of PFOA without β-CD, and with equimolar (1:1) and excess (2:1) molar ratios of β-CD to PFOA, and assessed for lethality and developmental toxicity through seven days post-fertilization (dpf). Rapid onset of lethality with limited morphological abnormalities was observed at relatively low concentrations of PFOA (LC50 ≈ 50 ppm), along with effects on morphometric and neurobehavioral parameters in surviving embryos. A highly significant difference (p < 0.0001) was observed between the 2:1 treatment, and both 1:1 and PFOA only treatments, with respect to lethal concentration and apparent neurobehavioral effects, suggesting an effectively reduced toxicity of the fully complexed PFOA. In contrast, however, neither β-CD treatment reduced developmental toxicity with respect to the morphometric endpoint (i.e., interocular distance). Whereas LC50 of PFOA alone did not change over 7 dpf, the 1:1 and 2:1 values decreased slightly over time, suggesting either delayed or alternative toxic effects on later developmental stages at presumptively lowered levels. This study, therefore, indicates β-CD may be an effective agent to reduce toxicity of and mitigate environmental health concerns associated with PFOA, but that further study is required to elucidate the mechanism of complexation as it relates to the attenuation of toxicity.
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Affiliation(s)
- Mary Jo Weiss-Errico
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW Eighth Street, Miami, FL 33199, USA.
| | - John P Berry
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW Eighth Street, Miami, FL 33199, USA.
| | - Kevin E O'Shea
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW Eighth Street, Miami, FL 33199, USA.
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31
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Zhao Y, Li G, Qi D, Sun L, Wen C, Yin S. Biomarker responses of earthworms (Eisenia fetida) to soils contaminated with perfluorooctanoic acid. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:22073-22081. [PMID: 28791554 DOI: 10.1007/s11356-017-9776-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 07/14/2017] [Indexed: 06/07/2023]
Abstract
Perfluorooctanoic acid (PFOA) is considered a persistent environmental pollutant. The aim of this study was to assess the potential toxicity of PFOA to earthworms (Eisenia fetida) in artificial soil. The activities of superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), and glutathione S-transferase (GST) as well as the contents of malondialdehyde (MDA) were measured after exposure to 0, 5, 10, 20, and 40 mg kg-1 PFOA in soils for 7, 14, 21, and 28 days. The results showed that SOD activity increased at 14 days and decreased from 21 to 28 days; MDA levels were highest in the treatment with 40 mg kg-1 PFOA after 28 days of exposure. In contrast, CAT and POD activities increased after 14-21 days of exposure and significantly decreased with long-term exposure (28 days). GST activity increased significantly from 14 to 28 days. Our results indicate that PFOA has biochemical effects on E. fetida, thereby contributing to our understanding of the ecological toxicity of PFOA on soil invertebrates.
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Affiliation(s)
- Yiyi Zhao
- College of Resources and Environment, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Key Laboratory of Colleges and Universities in Shandong Province Agricultural Environment, Shandong Agricultural University, Taian, 271018, China
| | - Guangde Li
- College of Resources and Environment, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Key Laboratory of Colleges and Universities in Shandong Province Agricultural Environment, Shandong Agricultural University, Taian, 271018, China.
| | - Daqian Qi
- The Fifth Prospecting Team of Shandong Coal Geology Bureau, Taian, 271010, China
| | - Liangqi Sun
- College of Resources and Environment, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Key Laboratory of Colleges and Universities in Shandong Province Agricultural Environment, Shandong Agricultural University, Taian, 271018, China
| | - Changlei Wen
- College of Resources and Environment, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Key Laboratory of Colleges and Universities in Shandong Province Agricultural Environment, Shandong Agricultural University, Taian, 271018, China
| | - Suzhen Yin
- College of Resources and Environment, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Key Laboratory of Colleges and Universities in Shandong Province Agricultural Environment, Shandong Agricultural University, Taian, 271018, China
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