Neurotransmission on Fire?: Metabolic Activation Heightens Effect of PBDEs
2008
Effects of PBDEs on Neurotransmission
publication
Author Information
Author(s): Barrett Julia R.
Primary Institution: National Institute of Environmental Health Sciences
Hypothesis
Does the metabolite 6-OH-BDE-47 have a stronger neurotoxic effect than its parent compound BDE-47?
Conclusion
The study found that 6-OH-BDE-47 disrupts calcium levels and triggers neurotransmitter release at lower concentrations than BDE-47, indicating a heightened neurotoxic potential.
Supporting Evidence
- 6-OH-BDE-47 induces a more potent response in intracellular calcium concentration than BDE-47.
- High concentrations of PBDEs can cause neurobehavioral alterations in animals.
- 6-OH-BDE-47 interacts more strongly with hormone receptor systems than BDE-47.
Takeaway
A chemical called 6-OH-BDE-47 can make brain cells release important signals more easily than its original form, which could be harmful, especially for kids.
Methodology
The authors used cultured rat pheochromocytoma (PC12) cells to compare the effects of 6-OH-BDE-47 and BDE-47 on calcium balance and neurotransmitter release.
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