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Influence of extremely low-frequency magnetic field on the activity of antioxidant enzymes during skin wound healing in rats

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Glinka M, Sieroń A, Birkner E, Cieślar G · 2013

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Therapeutic magnetic fields at 10 mT enhanced wound healing by boosting antioxidant defenses, confirming EMFs are biologically active.

Plain English Summary

Summary written for general audiences

Researchers exposed rats with skin wounds to 40 Hz magnetic fields at 10 mT (millitesla) to see if it would help healing. They found the magnetic field exposure increased antioxidant enzyme activity and reduced cellular damage markers, suggesting the treatment helped protect cells from harmful oxidative stress during the wound healing process.

Why This Matters

This study adds to growing evidence that extremely low frequency magnetic fields can trigger beneficial biological responses, particularly in cellular repair processes. The 10 mT exposure level used here is significantly higher than typical household EMF exposures (which measure in microtesla), representing a therapeutic application rather than environmental exposure. What makes this research noteworthy is its focus on beneficial effects through antioxidant activation - the same cellular systems that other studies suggest can be disrupted by chronic low-level EMF exposure. The science demonstrates that EMFs are biologically active at levels well below current safety guidelines, whether the effects are beneficial or harmful depends largely on exposure parameters like frequency, intensity, and duration.

Exposure Details

Magnetic Field
10 mG
Source/Device
40 Hz

Exposure Context

This study used 10 mG for magnetic fields:

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 Exposure Level in ContextStudy Exposure Level in ContextThis study: 10 mGExtreme Concern - 5 mGFCC Limit - 2,000 mGEffects observed in the Extreme Concern rangeFCC limit is 200x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 40 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 40 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Study Details

The aim of this study was to evaluate the activity of the antioxidant enzymes mitochondrial and cytosolic superoxide dismutase (EC 1.15.1.1), glutathione peroxidase (POX, EC 1.11.1.9) and glutathione S-transferase (EC 3.1.2.7), as well as the concentration of malone dialdehyde (MDA), as an indicator of lipid peroxidation rate in the liver tissue homogenates and blood serum of male rats exposed to extremely low-frequency magnetic field (ELF-MF) in order to improve the healing process of an experimental cut wound on the back of each animal.

The exposure to ELF-MF with frequency 40 Hz and magnetic flux density 10 mT induced an increase in P...

Based on the results obtained, it seems that ELF-MF could be a useful supplement in the complex treatment of prolonged wound healing, due to the activation of endogenous enzymatic antioxidant system.

Cite This Study
Glinka M, Sieroń A, Birkner E, Cieślar G (2013). Influence of extremely low-frequency magnetic field on the activity of antioxidant enzymes during skin wound healing in rats Electromagn Biol Med. 32(4):463-470, 2013.
Show BibTeX
@article{m_2013_influence_of_extremely_lowfrequency_376,
  author = {Glinka M and Sieroń A and Birkner E and Cieślar G},
  title = {Influence of extremely low-frequency magnetic field on the activity of antioxidant enzymes during skin wound healing in rats},
  year = {2013},
  doi = {10.3109/15368378.2012.743906},
  url = {https://www.tandfonline.com/doi/abs/10.3109/15368378.2012.743906},
}
DOI: 10.3109/15368378.2012.743906

Cited By (20 papers)

Quick Questions About This Study

Research suggests certain magnetic fields may support wound healing. A 2013 study found that 40 Hz magnetic field exposure increased antioxidant enzyme activity and reduced cellular damage in rats with skin wounds, suggesting potential healing benefits through reduced oxidative stress.
Yes, extremely low-frequency magnetic fields can influence antioxidant systems. Research on 40 Hz magnetic fields showed increased antioxidant enzyme activity in wounded rats, which helped protect cells from oxidative damage during the healing process.
A 2013 study found 40 Hz magnetic field exposure at therapeutic levels actually provided protective benefits, increasing antioxidant activity and reducing cellular damage markers in rats. However, safety depends on exposure intensity and duration.
Magnetic fields can reduce oxidative stress by activating antioxidant enzymes. Research showed 40 Hz magnetic field exposure decreased harmful oxidative damage markers and increased protective enzyme activity, helping stabilize cell membranes during wound healing.
Extremely low-frequency magnetic fields can have biological effects on cellular processes. One study found 40 Hz ELF fields activated antioxidant systems and reduced oxidative damage, suggesting potential therapeutic applications for wound healing treatment.