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Direct current electrical fields induce apoptosis in oral mucosa cancer cells by NADPH oxidase-derived reactive oxygen species

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Wartenberg M, Wirtz N, Grob A, Niedermeier W, Hescheler J, Peters SC, Sauer H · 2008

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Electric fields as low as 2 V/m killed oral cancer cells by generating free radicals, showing EMFs can trigger significant cellular responses.

Plain English Summary

Summary written for general audiences

German researchers exposed oral cancer cells to weak electric fields (2-16 volts per meter) for 24 hours. The fields triggered cancer cell death by generating harmful molecules called reactive oxygen species that damaged the cells' internal systems, suggesting potential therapeutic applications for treating cancer.

Why This Matters

This research represents an intriguing finding in the complex relationship between electromagnetic fields and cellular health. The study demonstrates that relatively weak electric fields - comparable to what you might encounter near certain electrical equipment - can trigger programmed cell death in cancer cells through oxidative stress mechanisms. What makes this particularly noteworthy is that the exposure levels (2-16 V/m) are within ranges that humans can experience in everyday environments near power lines or electrical appliances. However, we must be cautious about extrapolating these laboratory results to real-world scenarios. While the cancer-killing effect observed here might seem beneficial, the same oxidative stress mechanisms could potentially affect healthy cells differently. The reality is that EMF effects are highly context-dependent - what happens to isolated cancer cells in a petri dish may not translate directly to effects in living tissue.

Exposure Details

Electric Field
2 and 16 V/m
Exposure Duration
24 h

Exposure Context

This study used 2 and 16 V/m for electric 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.

Study Details

In the present study the mechanisms of apoptosis of oral mucosa cancer cells in response to electromagnetic fields was investigated.

Direct current (DC) electrical fields with field strengths between 2 and 16 V/m, applied for 24 h to...

Cite This Study
Wartenberg M, Wirtz N, Grob A, Niedermeier W, Hescheler J, Peters SC, Sauer H (2008). Direct current electrical fields induce apoptosis in oral mucosa cancer cells by NADPH oxidase-derived reactive oxygen species Bioelectromagnetics. 29(1):47-54, 2008.
Show BibTeX
@article{m_2008_direct_current_electrical_fields_478,
  author = {Wartenberg M and Wirtz N and Grob A and Niedermeier W and Hescheler J and Peters SC and Sauer H},
  title = {Direct current electrical fields induce apoptosis in oral mucosa cancer cells by NADPH oxidase-derived reactive oxygen species},
  year = {2008},
  doi = {10.1002/bem.20361},
  url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/bem.20361},
}
DOI: 10.1002/bem.20361

Cited By (44 papers)

Quick Questions About This Study

Yes, research shows weak electric fields can kill oral cancer cells. A 2008 German study found that electric fields between 2-16 volts per meter triggered cancer cell death by generating harmful molecules that damaged the cells' internal systems over 24 hours.
Electric fields can cause cancer cell death through a specific mechanism. The 2008 study demonstrated that weak electric fields generated reactive oxygen species in oral cancer cells, which damaged cellular components and triggered programmed cell death (apoptosis).
Electric fields reduce oral cancer cell growth and trigger cell death. German researchers found that exposing oral cancer cells to weak electric fields for 24 hours decreased cell multiplication and increased apoptosis through oxidative stress mechanisms.
Electric fields appear harmful to cancer cells, which could be therapeutically beneficial. The research showed that weak electric fields effectively killed oral cancer cells by generating reactive oxygen species that overwhelmed the cells' protective systems.
Electric fields show potential as cancer treatment by killing cancer cells through oxidative damage. The study found that fields as weak as 4 volts per meter successfully triggered cancer cell death, suggesting possible therapeutic applications.