Cited by 58Per- and polyfluoroalkyl substances researchZebrafish Biomedical Research ApplicationsEnvironmental Toxicology and Ecotoxicology

Perfluorododecanoic Acid Exposure Induced Developmental Neurotoxicity in Zebrafish Embryos

Guo, Xiaochun, Zhang, Shengnan, Lu, Shaoyong, Zheng, Binghui, Xie, Ping, Chen, Jun, Li, Guangyu, Liu, Chunsheng +3 more·2018·Environmental Pollution

Abstract

Perfluorododecanoic acid (PFDoA), an artificial perfluorochemical, has been widely distributed in different ambient media and has been reported to have the potential to cause developmental neurotoxicity. However, the specific mechanism is largely unknown. In the current study, zebrafish embryos were treated with 0, 0.24, 1.2, and 6 mg/L PFDoA for 120 h. Exposure to PFDoA causes serious decreases in hatching delay, body length, as well as decreased locomotor speed in zebrafish larvae. Additionally, the acetylcholine (ACh) content as well as acetylcholinesterase (AChE) activity were determined to be significantly downregulated in PFDoA treatment groups. The level of dopamine was upregulated significantly after treating with 1.2 and 6 mg/L of PFDoA. Gene expressions related to the nervous system development were also analyzed, with the exception of the gene mesencephalic astrocyte-derived neurotrophic factor (manf), which is upregulated in the 6 mg/L treatment group. All other genes were significantly downregulated in larvae in the PFDoA group in different degrees. In general, the results demonstrated that PFDoA exposure could result in the disruption of the cholinergic system, dopaminergic signaling, and the central nervous system.

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Crossref · 10.1016/j.envpol.2018.06.013

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  • A decrease in locomotor speed was seen in zebrafish larvae exposed to 0.24, 1.2, or 6 mg/L PFDoA, in addition to decreased expression of acetylcholine (Ach) at 6 mg/L and AchE at 1.2 and 6 mg/L.

    “A decrease in locomotor speed was also seen in zebrafish larvae exposed to 0.24, 1.2, or 6 mg/L PFDoA, in addition to decreased expression of acetylcholine (Ach) at 6 mg/L and AchE at 1.2 and 6 mg/L (Guo et al., 2018).”

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Authors
Guo, X., Zhang, S., Lu, S., Zheng, B., Xie, P., Chen, J., Li, G., Liu, C., Wu, Q., Cheng, H., & Sang, N.
Affiliations
  • Chinese Research Academy of Environmental Sciences (CN)
  • Shanxi University (CN)
  • Chinese Academy of Sciences (CN)
  • Huazhong Agricultural University (CN)
Corresponding author
Lu, Shaoyong
Venue
Environmental Pollution
Publisher
Elsevier BV
Published
2018-10
Volume
241
Pages
1018-1026
ISSN
0269-7491 (ISSN-L)
OpenAlex
W2807274558
Cited by
58
References
90
Citations by year
2026: 3 · 2025: 9 · 2024: 6 · 2023: 14 · 2022: 11 · 2021: 3 · 2020: 7 · 2019: 4 · 2018: 1
FWCI
1.96
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Pollution (publishedVersion)
  • PubMed (publishedVersion)
  • Institute of Hydrobiology, CAS Institutional Repository (submittedVersion)
Funders
  • National Natural Science Foundation of China (41601544)
  • Ministry of Science and Technology of China (2015FY11-0900)
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Zebrafish Biomedical Research Applications
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
Keywords
perfluorododecanoic acid, developmental neurotoxicity, zebrafish embryos, acetylcholinesterase, acetylcholine, dopamine, cholinergic system, dopaminergic signaling, brain development, MANF, locomotion speed, hatching delay, perfluorochemicals
MeSH terms
Animals, Embryo, Nonmammalian, Fluorocarbons, Larva, Lauric Acids, Nervous System, Water Pollutants, Chemical, Zebrafish, Signal Transduction, Down-Regulation, Up-Regulation, Gene Expression, Zebrafish Proteins

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