PUBLICATION

Multi- and Transgenerational Developmental Impairments Are Induced by Decabromodiphenyl Ethane (DBDPE) in Zebrafish Larvae

Authors
Sun, Y., Zhou, S., Zhu, B., Li, F., Fu, K., Guo, Y., Men, J., Han, J., Zhang, W., Yang, L., Zhou, B.
ID
ZDB-PUB-230214-36
Date
2023
Source
Environmental science & technology   57(7): 2887-2897 (Journal)
Registered Authors
Zhou, BingSheng
Keywords
DNA methylation, decabromodiphenyl ethane, energy metabolism, machine learning, neurotoxicity, transgenerational developmental toxicity
MeSH Terms
  • Animals
  • Bromobenzenes/toxicity
  • Environmental Pollutants*
  • Flame Retardants*/toxicity
  • Halogenated Diphenyl Ethers/toxicity
  • Humans
  • Larva
  • Zebrafish
PubMed
36779393 Full text @ Env. Sci. Tech.
Abstract
A novel brominated flame retardant decabromodiphenyl ethane (DBDPE) has become a ubiquitous emerging pollutant; hence, the knowledge of its long-term toxic effects and underlying mechanism would be critical for further health risk assessment. In the present study, the multi- and transgenerational toxicity of DBDPE was investigated in zebrafish upon a life cycle exposure at environmentally relevant concentrations. The significantly increased malformation rate and declined survival rate specifically occurred in unexposed F2 larvae suggested transgenerational development toxicity by DBDPE. The changing profiles revealed by transcriptome and DNA methylome confirmed an increased susceptibility in F2 larvae and figured out potential disruptions of glycolipid metabolism, mitochondrial energy metabolism, and neurodevelopment. The changes of biochemical indicators such as ATP production confirmed a disturbance in the energy metabolism, whereas the alterations of neurotransmitter contents and light-dark stimulated behavior provided further evidence for multi- and transgenerational neurotoxicity in zebrafish. Our findings also highlighted the necessity for considering the long-term impacts when evaluating the health of wild animals as well as human beings by emerging pollutants.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping