Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.
No evidence of DNA damage by co-exposure to extremely low frequency magnetic fields and aluminum on neuroblastoma cell lines
Villarini M, Gambelunghe A, Giustarini D, Ambrosini MV, Fatigoni C, Rossi R, Dominici L, Levorato S, Muzi G, Piobbico D, Mariucci G · 2017
View Original AbstractBrain cancer cells showed no DNA damage from power-frequency magnetic fields up to 1 mT, even when combined with aluminum.
Plain English Summary
Italian researchers exposed brain cancer cells (neuroblastoma) to 50 Hz magnetic fields and aluminum compounds, both separately and together, to see if they would cause DNA damage. After exposing the cells to magnetic field levels ranging from 0.01 to 1 mT for up to 5 hours, they found no DNA damage, no changes in cellular stress markers, or any harmful synergistic effects when the exposures were combined. This suggests that short-term exposure to these power-frequency magnetic fields, even in combination with aluminum, does not appear to damage DNA in these particular brain cell types.
Why This Matters
This study adds to the mixed body of research on power-frequency magnetic fields and DNA damage, finding no harmful effects at exposure levels that span both typical household exposures (around 0.01 mT near appliances) and much higher laboratory levels (1 mT). The researchers specifically tested whether aluminum might make cells more vulnerable to magnetic field damage - a reasonable question given aluminum's presence in the environment and brain tissue. However, the negative findings here must be viewed cautiously. The science demonstrates that in vitro studies using isolated cell cultures don't always predict what happens in living organisms, where complex biological systems and longer exposure periods may produce different results. What this means for you is that while this particular study found no DNA damage in brain cancer cells, it represents just one piece of a much larger scientific puzzle. The reality is that the broader research on EMF and genetic damage shows mixed results, with some studies finding effects and others not.
Exposure Details
- Magnetic Field
- 0.01, 0.1 or 1 mT
- Source/Device
- 50 Hz
- Exposure Duration
- 1 hour or 5 hour
Exposure Context
This study used 0.01, 0.1 or 1 mT for magnetic fields:
- 500x above the Building Biology guideline of 0.2 mG
- 100x 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
To investigate the effects of co-exposure to a 50 Hz magnetic field and aluminium on DNA damage in neuroblastoma cell lines.
SH-SY5Y5 and SK-N-BE-2 cells underwent exposure to 50 Hz ELF-MF (0.01, 0.1 or 1 mT) or AlCl3 (4 or 4...
Neither exposure to ELF-MF or AlCl3 alone induced DNA damage, changes in GSH/GSSG ratio or variation...
The results of this in vitro study, which deals with the effects of co-exposure to 50 Hz MF and Aluminum, seem to exclude that short-term exposure to ELF-MF in combination with Al can have harmful effects on human SH-SY5Y and SK-N-BE-2 cells.
Show BibTeX
@article{m_2017_no_evidence_of_dna_2861,
author = {Villarini M and Gambelunghe A and Giustarini D and Ambrosini MV and Fatigoni C and Rossi R and Dominici L and Levorato S and Muzi G and Piobbico D and Mariucci G},
title = {No evidence of DNA damage by co-exposure to extremely low frequency magnetic fields and aluminum on neuroblastoma cell lines},
year = {2017},
url = {https://www.sciencedirect.com/science/article/abs/pii/S1383571817300852},
}