PUBLICATION

Perfluorooctane sulfonic acid (PFOS) exposures interfere with behaviors and transcription of genes on nervous and muscle system in zebrafish embryos

Authors
Wang, X., Shi, X., Zheng, S., Zhang, Q., Peng, J., Tan, W., Wu, K.
ID
ZDB-PUB-220806-14
Date
2022
Source
The Science of the total environment   848: 157816 (Journal)
Registered Authors
Wu, Kusheng
Keywords
Behavioral change, Gene transcription, Neuromuscular system, PFOS, Zebrafish embryo/larvae
MeSH Terms
  • Acetylcholine
  • Alkanesulfonic Acids
  • Animals
  • Dopamine*
  • Fluorocarbons
  • Larva
  • Muscles
  • Neurotransmitter Agents
  • RNA, Messenger
  • Zebrafish*
PubMed
35931148 Full text @ Sci. Total Environ.
Abstract
Perfluorooctane sulfonic acid (PFOS) has been widely detected in environment and organisms. PFOS has been identified as the driving agent for the behavioral changes of zebrafish larvae, while the underlying molecular mechanism remains unclear. In this study, zebrafish embryos/larvae were exposed to 0, 0.04, 0.1, 0.4 and 1 μM PFOS for 166 h. The locomotor behaviors and the mRNA transcription of genes in neuromuscular system were detected. Exposure to PFOS did not affect the hatching/death rates and body length, but increased the heart beat rates and frequency of spontaneous tail coiling. Locomotor behavior in zebrafish larvae of 0.4 and 1 μM PFOS groups were increased in the light condition. Additionally, the levels of acetylcholine (Ach) in 0.4 μM PFOS group and dopamine (DA) in 0.1, 0.4 and 1 μM PFOS groups were found to be significantly increased. The expression of genes related to the synthesis and decomposition of ACh,the synthesis and receptor of DA, and fosab was increased in the different PFOS treatment groups, while the expression of all the other genes of the neuromuscular system were significantly reduced. The findings of this investigation demonstrated that PFOS exposure may alter the locomotor behavior of zebrafish through disrupting the expressions of genes in neuromuscular system. The disturbed process of neurotransmitter transmission and muscle contraction caused by PFOS may be the dominant mechanism of hyperactivity in zebrafish.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping