Neuronal Cellular Responses to Extremely Low Frequency Electromagnetic Field Exposure: Implications Regarding Oxidative Stress and Neurodegeneration.
Reale M, Kamal MA, Patruno A, Costantini E, D'Angelo C, Pesce M, Greig NH · 2014
View Original AbstractPower frequency EMFs overwhelmed brain cells' natural defenses against damage, especially when combined with other stressors.
Plain English Summary
Researchers exposed human brain cells to 50 Hz electromagnetic fields (the type from power lines) for up to 24 hours and found the cells produced more harmful molecules called free radicals and nitric oxide. While the cells initially tried to defend themselves by boosting antioxidant activity, this protection failed when the cells faced additional stress, leading to cellular damage that could contribute to brain diseases like Alzheimer's.
Why This Matters
This research provides crucial insight into how power frequency EMFs might contribute to neurodegenerative diseases. The 1 milliTesla exposure used here is significantly higher than typical household levels (usually 0.01-0.2 mT near appliances), but it's within ranges found near high-voltage power lines or in certain occupational settings. What makes this study particularly significant is that it demonstrates a breakdown in cellular defense mechanisms under combined stress - exactly the kind of real-world scenario our bodies face daily. The finding that EMF exposure compromised the cells' ability to handle oxidative stress suggests that even if our bodies can initially cope with EMF exposure, this protection may fail when we're dealing with other health challenges, aging, or environmental toxins.
Exposure Details
- Magnetic Field
- 1 mG
- Source/Device
- 50 Hz
- Exposure Duration
- 24 hours (1 h, 3 h, 6 h or 24 h)
Exposure Context
This study used 1 mG for magnetic fields:
- 50Kx above the Building Biology guideline of 0.2 mG
- 10Kx 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
We evaluated the effects of an electromagnetic wave (magnetic field intensity 1mT; frequency, 50-Hz) on a well-characterized immortalized neuronal cell model, human SH-SY5Y cells.
ELF-EMF exposure elevated the expession of NOS and O2−, which were countered by compensatory changes...
Together these studies support the further evaluation of ELF-EMF exposure in cellular and in vivo preclinical models to define mechanisms potentially impacted in humans.
Show BibTeX
@article{m_2014_neuronal_cellular_responses_to_289,
author = {Reale M and Kamal MA and Patruno A and Costantini E and D'Angelo C and Pesce M and Greig NH},
title = {Neuronal Cellular Responses to Extremely Low Frequency Electromagnetic Field Exposure: Implications Regarding Oxidative Stress and Neurodegeneration.},
year = {2014},
url = {https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0104973},
}