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Exposure to a specific time-varying electromagnetic field inhibits cell proliferation via cAMP and ERK signaling in cancer cells.

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Buckner CA, Buckner AL, Koren SA, Persinger MA, Lafrenie RM. · 2017

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Specific low-frequency EMF patterns selectively inhibited cancer cell growth while sparing healthy cells, revealing EMFs' potential therapeutic applications.

Plain English Summary

Summary written for general audiences

Researchers exposed multiple types of cancer cells to a specific low-frequency electromagnetic field pattern (25-6 Hz) for one hour daily and found it significantly slowed cancer cell growth without affecting healthy cells. The EMF exposure worked by altering specific cellular signaling pathways (cAMP and ERK) that control cell division. This suggests certain EMF patterns might have therapeutic potential for cancer treatment by selectively targeting malignant cells.

Why This Matters

This research represents a fascinating twist in EMF science - showing that specific electromagnetic field patterns can selectively harm cancer cells while leaving healthy cells untouched. The study used extremely low frequency fields (25-6 Hz) at low intensity, similar to what you might encounter from power lines or household wiring, but applied in a specific therapeutic pattern called Thomas-EMF. What makes this particularly significant is the selectivity: the same EMF exposure that inhibited growth in six different cancer cell lines had zero effect on normal cells. The researchers identified the precise cellular mechanisms involved, showing this wasn't a random effect but a targeted biological response. While this is laboratory research that doesn't translate directly to cancer treatment, it demonstrates that EMFs can have highly specific biological effects depending on their exact frequency patterns and timing - a reminder that not all EMF exposures are created equal.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 6 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 6 HzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 25-6 Hz Duration: 1 h/day

Study Details

The aim of this study is to investigate Exposure to a specific time-varying electromagnetic field inhibits cell proliferation via cAMP and ERK signaling in cancer cells.

We have shown that exposure to Thomas-EMF, a low-intensity, frequency-modulated (25-6 Hz) EMF patter...

These data indicate that exposure to the specific Thomas-EMF pattern can inhibit the growth of malignant cells in a manner dependent on contributions from the cAMP and MAP kinase pathways.

Cite This Study
Buckner CA, Buckner AL, Koren SA, Persinger MA, Lafrenie RM. (2017). Exposure to a specific time-varying electromagnetic field inhibits cell proliferation via cAMP and ERK signaling in cancer cells. Bioelectromagnetics. 2017 Nov 10. doi: 10.1002/bem.22096.
Show BibTeX
@article{ca_2017_exposure_to_a_specific_1928,
  author = {Buckner CA and Buckner AL and Koren SA and Persinger MA and Lafrenie RM.},
  title = {Exposure to a specific time-varying electromagnetic field inhibits cell proliferation via cAMP and ERK signaling in cancer cells.},
  year = {2017},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/29125193/},
}
PubMed: 29125193

Cited By (22 papers)

Quick Questions About This Study

A 2017 study found that a specific 25-6 Hz electromagnetic field pattern inhibited growth in multiple cancer cell types including melanoma, breast cancer, and cervical cancer cells, while leaving healthy cells completely unaffected during one-hour daily exposures.
The Thomas-EMF pattern (25-6 Hz frequency-modulated field) alters cancer cell growth by modifying cAMP and ERK signaling pathways that control cell division. These cellular changes occurred only in malignant cells, not in healthy cells.
Research showed that one hour daily exposure to a 25-6 Hz electromagnetic field significantly slowed growth in multiple breast cancer cell lines (MDA-MB-231, MDA-MB-468, BT-20, and MCF-7) without affecting normal cells.
The 25-6 Hz Thomas-EMF pattern inhibited growth in mouse melanoma cells, human breast cancer cells (multiple types), and HeLa cervical cancer cells. All malignant cell types tested showed reduced proliferation compared to unexposed controls.
Non-malignant cells showed no changes in cAMP levels, ERK phosphorylation, or growth rates when exposed to the Thomas-EMF pattern. This selectivity suggests cancer cells have different signaling vulnerabilities that healthy cells lack.