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Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

DNA & Genetic Damage

Short exposures to 60 Hz magnetic fields do not alter MYC expression in HL60 or Daudi cells

No Effects Found

Authors not listed · 1995

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Rigorous testing found no gene activation from 60 Hz magnetic fields, challenging claims linking power line EMF to cancer.

Plain English Summary

Summary written for general audiences

Researchers exposed human cancer cells (HL60 and Daudi) to 60 Hz magnetic fields at various intensities for 20-60 minutes, looking for changes in gene expression that might explain cancer risks. Despite testing a wide range of conditions and using rigorous controls, they found no changes in MYC gene activity or other genetic markers. This challenges earlier studies that claimed power line frequencies rapidly activate cancer-related genes.

Why This Matters

This study represents the kind of rigorous science we need more of in EMF research. The researchers didn't just run their own experiments - they went to the original laboratory that reported gene activation effects and still couldn't reproduce the findings. This speaks to a fundamental problem in EMF research where dramatic positive findings often grab headlines while careful null results get ignored.

The 60 Hz frequency tested here is exactly what comes from your electrical grid - the power flowing through your walls, appliances, and nearby transmission lines. The exposure levels ranged from barely detectable (5.7 microT) to extremely high (10 mT), covering everything you'd encounter in daily life and far beyond. When such comprehensive testing finds no genetic effects, it suggests that power frequency fields may not be the cancer trigger some researchers have claimed.

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

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (1995). Short exposures to 60 Hz magnetic fields do not alter MYC expression in HL60 or Daudi cells.
Show BibTeX
@article{short_exposures_to_60_hz_magnetic_fields_do_not_alter_myc_expression_in_hl60_or_daudi_cells_ce1597,
  author = {Unknown},
  title = {Short exposures to 60 Hz magnetic fields do not alter MYC expression in HL60 or Daudi cells},
  year = {1995},
  doi = {10.2307/3579231},
  
}
DOI: 10.2307/3579231PubMed: 7568767

Quick Questions About This Study

No. Despite testing various intensities from 5.7 microT to 10 mT for 20-60 minutes, researchers found no changes in MYC gene expression or other genetic markers in human HL60 and Daudi cancer cells.
The researchers used blind exposures and internal standards that earlier studies lacked. When they replicated experiments in the original laboratory that reported effects, they still found no gene activation from magnetic fields.
The study tested a wide range from 5.7 microT (barely detectable) to 10 mT (extremely high), covering typical household exposures and far beyond what you'd encounter from power lines or appliances.
This study found no genetic mechanism at the cellular level that would support cancer risk from 60 Hz fields. However, it's one study among many, and cancer research requires multiple lines of evidence.
Exposure times ranged from 20 to 60 minutes. The researchers tested various durations to see if longer exposures might trigger genetic changes, but found no effects at any time point tested.