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Oxidative Stress

A Study on the effects of 50 Hz magnetic fields on UV-induced radical reactions in murine fibroblasts.

No Effects Found

Markkanen A, Naarala J, Juutilainen J · 2010

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This study found no evidence that power-frequency magnetic fields amplify UV damage in cells, even at levels hundreds of times higher than typical home exposure.

Plain English Summary

Summary written for general audiences

Finnish researchers tested whether 50 Hz magnetic fields (the type from power lines) could amplify DNA damage from UV radiation in mouse cells. They exposed cells to magnetic fields of 100-300 microTesla during or before UV exposure and measured cellular oxidative stress. The study found no evidence that magnetic fields increased UV-induced damage, contradicting their hypothesis about how magnetic fields might affect cellular chemistry.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 50 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 50 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

The study examined exposure from: 50 Hz

Study Details

The aim of this study was to test the hypothesis that the "radical pair mechanism" (magnetic field effect on recombination rate of radical pairs) explains our previous findings indicating that 50 Hz magnetic fields (MF) of about 100 μT modify biological responses to ultraviolet (UV) radiation.

In the present study, the effects of 50 Hz MF on cellular oxidative processes induced by UV radiatio...

No significant MF effects were found. The results do not support the hypothesis that 100–300 μT MF m...

Cite This Study
Markkanen A, Naarala J, Juutilainen J (2010). A Study on the effects of 50 Hz magnetic fields on UV-induced radical reactions in murine fibroblasts. J Radiat Res (Tokyo). 51(5):609-613, 2010.
Show BibTeX
@article{a_2010_a_study_on_the_2855,
  author = {Markkanen A and Naarala J and Juutilainen J},
  title = {A Study on the effects of 50 Hz magnetic fields on UV-induced radical reactions in murine fibroblasts.},
  year = {2010},
  
  url = {https://academic.oup.com/jrr/article/51/5/609/911059?login=true},
}

Quick Questions About This Study

No, Finnish researchers found that 50 Hz magnetic fields at 100-300 microTesla do not increase UV-induced DNA damage in mouse fibroblasts. The 2010 study exposed cells to magnetic fields during and before UV radiation but found no evidence of amplified cellular damage or oxidative stress.
Research shows power line magnetic fields do not make UV radiation more harmful to cells. A 2010 Finnish study tested whether 50 Hz fields could worsen UV damage in mouse cells but found no significant effects, contradicting the hypothesis that magnetic fields amplify radiation damage.
Simultaneous exposure to UV radiation and 50 Hz magnetic fields produces no additional cellular damage beyond UV alone. Finnish researchers tested mouse fibroblasts with both exposures and found magnetic fields at 100-300 microTesla did not increase oxidative stress or DNA damage from UV radiation.
No evidence suggests 100-300 microTesla magnetic fields harm skin cells. A 2010 study on mouse fibroblasts found these field strengths, typical of power line exposure, caused no oxidative damage even when combined with UV radiation that normally damages cells.
Research indicates 50 Hz magnetic fields do not alter cellular responses to UV radiation damage. Finnish scientists tested whether magnetic field pre-exposure or simultaneous exposure would modify oxidative reactions in mouse cells, but found no evidence of changed biological responses to radiation.