Neonatal Exposure to Brominated Flame Retardant BDE-47 Reduces Long-Term Potentiation and Postsynaptic Protein Levels in Mouse Hippocampus
2007

Effects of BDE-47 on Mouse Brain Development

Sample size: 8 publication Evidence: high

Author Information

Author(s): Dingemans Milou M.L., Ramakers Geert M.J., Gardoni Fabrizio, van Kleef Regina G.D.M., Bergman Åke, Di Luca Monica, van den Berg Martin, Westerink Remco H.S., Vijverberg Henk P.M.

Primary Institution: Institute for Risk Assessment Sciences, Utrecht University

Hypothesis

Neonatal exposure to BDE-47 affects neurodevelopmental mechanisms and synaptic plasticity.

Conclusion

Early neonatal exposure to a single high dose of BDE-47 reduces long-term potentiation and alters postsynaptic proteins in the mouse hippocampus.

Supporting Evidence

  • Neonatal exposure to BDE-47 resulted in reduced long-term potentiation in the hippocampus.
  • Significant reductions in postsynaptic proteins NR2B and GluR1 were observed after exposure.
  • Behavioral impairments in learning and memory were noted in previous studies following BDE-47 exposure.

Takeaway

Giving baby mice a chemical called BDE-47 affects how their brains work and learn, making it harder for them to remember things.

Methodology

C57Bl/6 mice received a single oral dose of BDE-47 on postnatal day 10, and effects on synaptic plasticity and protein levels were studied ex vivo.

Limitations

The study primarily focuses on a single dose and does not explore long-term effects beyond the immediate post-exposure period.

Participant Demographics

Male C57Bl/6 mice pups.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1289/ehp.9860

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