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Cancer & Tumors

Absence of 60-Hz, 0.1-mT magnetic field-induced changes in oncogene transcription rates or levels in CEM- CM3 cells

No Effects Found

Authors not listed · 1998

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60 Hz magnetic fields at power line frequencies failed to activate cancer genes in human cells despite using strong field exposure.

Plain English Summary

Summary written for general audiences

Researchers exposed human leukemia cells to 60 Hz magnetic fields (the same frequency as power lines) for up to 2 hours to test whether this EMF could activate cancer-promoting genes. They found no changes in oncogene activity, contradicting earlier claims that power line frequencies could trigger cancer gene expression.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 60 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale
Cite This Study
Unknown (1998). Absence of 60-Hz, 0.1-mT magnetic field-induced changes in oncogene transcription rates or levels in CEM- CM3 cells.
Show BibTeX
@article{absence_of_60_hz_01_mt_magnetic_field_induced_changes_in_oncogene_transcription_rates_or_levels_in_cem_cm3_cells_ce1566,
  author = {Unknown},
  title = {Absence of 60-Hz, 0.1-mT magnetic field-induced changes in oncogene transcription rates or levels in CEM- CM3 cells},
  year = {1998},
  doi = {10.1016/S0167-4781(98)00238-3},
  
}
DOI: 10.1016/S0167-4781(98)00238-3PubMed: 9878814

Quick Questions About This Study

This study found no evidence that 60 Hz magnetic fields at 0.1 mT strength activated oncogenes (cancer-promoting genes) in human leukemia cells, even after 2 hours of exposure, contradicting earlier research claims.
The 0.1 mT field strength used was approximately 10 times stronger than typical exposures under power lines, making this a high-exposure test that still produced no detectable gene activation effects.
Researchers specifically measured c-fos, c-jun, and c-myc oncogenes, which are important cancer-promoting genes. None showed increased transcription rates or elevated levels after magnetic field exposure compared to control conditions.
The CEM-CM3 human leukemia cell line showed no detectable response to 60 Hz magnetic field exposure, with gene expression remaining unchanged across all tested time points from 15 minutes to 2 hours.
Despite using similar methods and cell types, this study failed to replicate earlier findings of EMF-induced oncogene activation, highlighting reproducibility challenges that are common in EMF biological effects research.