Evidence for the involvement of nitric oxide and nitric oxide synthase in the modulation of opioid-induced antinociception and the inhibitory effects of exposure to 60-Hz magnetic fields in the land snail.
Kavaliers M, Choleris E, Prato FS, Ossenkopp K · 1998
View Original AbstractPower-frequency magnetic fields at everyday exposure levels disrupt nervous system chemistry by altering nitric oxide production, interfering with natural pain relief mechanisms.
Plain English Summary
Researchers exposed land snails to 60-Hz magnetic fields from power lines and found the fields disrupted the animals' natural pain relief systems by altering brain chemistry. This shows that common household electrical frequencies can interfere with basic biological processes controlling pain in living organisms.
Why This Matters
This study provides important mechanistic evidence for how extremely low frequency magnetic fields affect nervous system function at the cellular level. The researchers identified a specific biochemical pathway - involving nitric oxide and nitric oxide synthase - through which 60-Hz magnetic fields disrupt normal neurological processes. The exposure level of 141 microtesla is well within the range you might encounter near household appliances or power lines, making these findings directly relevant to everyday EMF exposure. What makes this research particularly significant is that it moves beyond simply observing that EMF exposure causes biological effects to explaining how those effects occur. The study demonstrates that magnetic fields can interfere with the body's natural pain management systems by altering the production of nitric oxide, a crucial signaling molecule in the nervous system. This type of mechanistic research helps build the scientific case that EMF exposure isn't just correlated with health effects - it's actually causing measurable changes in how our biological systems function.
Exposure Details
- Magnetic Field
- 0.141 mG
- Source/Device
- 60-Hz
- Exposure Duration
- 15 min
Exposure Context
This study used 0.141 mG for magnetic fields:
- 7Kx above the Building Biology guideline of 0.2 mG
- 1.4Kx above the BioInitiative Report recommendation of 1 mG
Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.
Where This Falls on the Concern Scale
Study Details
The present study was designed to examine the effects of nitric oxide (NO) and calcium ion/calmodulin-dependent nitric oxide synthase (NOS) on opioid-induced antinociception and their involvement in mediating the inhibitory effects of exposure to ELF magnetic fields.
We observed that enkephalinase (SCH 34826)-induced, and likely enkephalin-mediated, antinociception ...
These results suggest that: (1) NO and NO synthase have antagonistic effects on opioid-induced analgesia in the snail, Cepaea and (2) the inhibitory effects of ELF magnetic fields on opioid analgesia involve alteration in NO and NO synthase activity.
Show BibTeX
@article{m_1998_evidence_for_the_involvement_396,
author = {Kavaliers M and Choleris E and Prato FS and Ossenkopp K},
title = {Evidence for the involvement of nitric oxide and nitric oxide synthase in the modulation of opioid-induced antinociception and the inhibitory effects of exposure to 60-Hz magnetic fields in the land snail.},
year = {1998},
url = {https://www.sciencedirect.com/science/article/abs/pii/S0006899398008440},
}