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Induction of tamoxifen resistance in breast cancer cells by ELF electromagnetic fields

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Authors not listed · 2005

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Power line frequency EMF exposure made breast cancer cells resist tamoxifen treatment at everyday field strengths.

Plain English Summary

Summary written for general audiences

German researchers exposed breast cancer cells to 50 Hz electromagnetic fields (the frequency of power lines) and found that EMF exposure made the cells more resistant to tamoxifen, a common breast cancer treatment. The effect was strongest at 1.2 microTesla field strength, suggesting that everyday EMF exposure could potentially interfere with cancer therapy effectiveness.

Why This Matters

This study reveals a troubling possibility that most oncologists never consider: the electromagnetic fields surrounding us daily might be sabotaging breast cancer treatment. The 50 Hz frequency tested here is identical to power line electricity, and the 1.2 microTesla field strength that produced maximum tamoxifen resistance falls well within levels you'd encounter near household wiring or appliances. What makes this particularly concerning is that tamoxifen resistance is already a major clinical problem, with many patients eventually becoming unresponsive to this life-saving drug. If EMF exposure is contributing to treatment failure, we're potentially undermining cancer therapy while patients and doctors remain completely unaware. The researchers suggest this could help explain rising breast cancer rates since World War II, coinciding with our massive increase in electrical infrastructure and EMF exposure.

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

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2005). Induction of tamoxifen resistance in breast cancer cells by ELF electromagnetic fields.
Show BibTeX
@article{induction_of_tamoxifen_resistance_in_breast_cancer_cells_by_elf_electromagnetic_fields_ce1463,
  author = {Unknown},
  title = {Induction of tamoxifen resistance in breast cancer cells by ELF electromagnetic fields},
  year = {2005},
  doi = {10.1016/J.BBRC.2005.08.243},
  
}
DOI: 10.1016/J.BBRC.2005.08.243PubMed: 16168388

Quick Questions About This Study

Yes, this study found that 50 Hz EMF exposure made breast cancer cells more resistant to tamoxifen treatment. The effect was dose-dependent, meaning stronger fields caused greater resistance to the cancer drug.
The maximum tamoxifen resistance occurred at 1.2 microTesla field strength. This level falls within the range of EMF exposure you might encounter from household electrical sources and power lines.
This laboratory study suggests it could. Researchers found that 50 Hz EMF exposure, the same frequency as electrical power systems, reduced the effectiveness of tamoxifen against breast cancer cells in a controlled setting.
The study showed that EMF exposure shifted tamoxifen dose-response curves, requiring higher drug concentrations to achieve the same anti-cancer effect. This could potentially contribute to the drug resistance commonly seen in clinical practice.
This research suggests it's possible. Since the study used power line frequency EMF at strengths comparable to household electrical environments, everyday EMF exposure might interfere with breast cancer treatment effectiveness.