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Electromagnetic field could protect SH-SY5Y cells against cisplatin cytotoxicity, but not MCF-7 cells.

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Mahmoudinasab H, Saadat M. · 2018

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Magnetic field exposure protected nerve cells but not cancer cells from drug toxicity, showing EMF effects vary dramatically by cell type.

Plain English Summary

Summary written for general audiences

Scientists tested whether 50 Hz magnetic fields affect how cancer drugs work on different cell types. The magnetic field protected nerve cells from chemotherapy toxicity by boosting antioxidants, but didn't protect breast cancer cells. This shows EMF can alter medical treatment effectiveness differently across cell types.

Why This Matters

This study reveals something crucial that's often overlooked in EMF research: the same electromagnetic exposure can have dramatically different effects depending on the type of cells involved. The 0.5 mT magnetic field used here is roughly 10 times stronger than what you'd encounter near household appliances, but similar to levels found very close to power lines or certain medical devices. What makes this particularly significant is that the EMF exposure actually helped nerve cells survive a toxic challenge by ramping up their antioxidant systems. This contradicts the simple narrative that EMF is universally harmful and highlights why we need nuanced, cell-type-specific research rather than broad generalizations. The reality is that your body contains dozens of different cell types, each potentially responding to EMF in unique ways. This complexity is exactly why regulatory agencies struggle to establish universal safety standards and why you should be skeptical of both industry claims that EMF is completely safe and activist claims that it's universally dangerous.

Exposure Details

Magnetic Field
0.5 mG
Source/Device
50 Hz
Exposure Duration
15 min field-on/15 min field-off

Exposure Context

This study used 0.5 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 ContextA logarithmic scale showing exposure levels relative to Building Biology concern thresholds and regulatory limits.Study Exposure Level in ContextThis study: 0.5 mGExtreme Concern5 mGFCC Limit2,000 mGEffects observed in the Slight Concern range (Building Biology)FCC limit is 4,000x higher than this exposure level

Study Details

In this study, we tried to increase the cytotoxicity of CDDP in combination with Mor and/or EMF in MCF-7 and SH-SY5Y cells. Furthermore, we evaluate the expression levels of 11 antioxidant genes in both cell lines.

We designed four treatments: CDDP alone, “CDDP+Mor,” “CDDP+EMF,” and “CDDP+Mor+EMF.” Serial dilution...

The IC50 value of CDDP in “CDDP+Mor+EMF” treatment was significantly higher than CDDP alone and “CDD...

Cite This Study
Mahmoudinasab H, Saadat M. (2018). Electromagnetic field could protect SH-SY5Y cells against cisplatin cytotoxicity, but not MCF-7 cells. DNA Cell Biol. 37(4):330-335, 2018a.
Show BibTeX
@article{h_2018_electromagnetic_field_could_protect_415,
  author = {Mahmoudinasab H and Saadat M.},
  title = {Electromagnetic field could protect SH-SY5Y cells against cisplatin cytotoxicity, but not MCF-7 cells. },
  year = {2018},
  doi = {10.1089/dna.2017.4108},
  url = {https://www.liebertpub.com/doi/abs/10.1089/dna.2017.4108},
}

Quick Questions About This Study

Scientists tested whether 50 Hz magnetic fields affect how cancer drugs work on different cell types. The magnetic field protected nerve cells from chemotherapy toxicity by boosting antioxidants, but didn't protect breast cancer cells. This shows EMF can alter medical treatment effectiveness differently across cell types.