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DNA damage in frog erythrocytes after in vitro exposure to a high peak-power pulsed electromagnetic field.

No Effects Found

Chemeris NK, Gapeyev AB, Sirota NP, Gudkova OY, Kornienko NV, Tankanag AV, Konovalov IV, Buzoverya ME, Suvorov VG, Logunov VA. · 2004

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Even at extreme EMF exposure levels 1000x higher than cell phones, DNA damage was caused by heating, not radiation itself.

Plain English Summary

Summary written for general audiences

Researchers exposed frog blood cells to extremely high-power pulsed electromagnetic fields (8.8 GHz) to test whether the radiation could damage DNA. While they did observe DNA damage, they found it was caused entirely by the 3.5°C temperature increase from the intense exposure, not by any non-thermal effects of the radiation itself. When they heated cells to the same temperature without radiation, the DNA damage was identical.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 8.80 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 8.80 GHzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

The study examined exposure from: 8.8 GHz Duration: 40 Min

Study Details

We investigated possible genotoxic effects of HPPP EMF (8.8 GHz, 180 ns pulse width, peak power 65 kW, repetition rate 50 Hz) on erythrocytes of the frog Xenopus laevis.

We used the alkaline comet assay, which is a highly sensitive method to assess DNA single-strand bre...

The temperature rise in the blood samples at steady state was 3.5 +/- 0.1 degrees C. The data show t...

The results allow us to conclude that HPPP EMF-exposure at the given modality did not cause any a-thermal genotoxic effect on frog erythrocytes in vitro.

Cite This Study
Chemeris NK, Gapeyev AB, Sirota NP, Gudkova OY, Kornienko NV, Tankanag AV, Konovalov IV, Buzoverya ME, Suvorov VG, Logunov VA. (2004). DNA damage in frog erythrocytes after in vitro exposure to a high peak-power pulsed electromagnetic field. Mutat Res. 558(1-2):27-34, 2004.
Show BibTeX
@article{nk_2004_dna_damage_in_frog_2973,
  author = {Chemeris NK and Gapeyev AB and Sirota NP and Gudkova OY and Kornienko NV and Tankanag AV and Konovalov IV and Buzoverya ME and Suvorov VG and Logunov VA.},
  title = {DNA damage in frog erythrocytes after in vitro exposure to a high peak-power pulsed electromagnetic field.},
  year = {2004},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/15036116/},
}

Cited By (46 papers)

Quick Questions About This Study

No, 8.8 GHz pulsed electromagnetic fields did not damage frog blood cell DNA through non-thermal effects. While researchers observed DNA damage, it was entirely caused by the 3.5°C temperature increase from the intense exposure, not the radiation itself.
No, high-power pulsed electromagnetic fields at 8.8 GHz did not cause genetic damage without heating effects. When frog blood cells were heated to the same temperature without radiation, identical DNA damage occurred, proving thermal effects were responsible.
Frog red blood cells showed DNA damage when exposed to 8.8 GHz radiation, but only because the intense exposure heated the cells by 3.5°C. The electromagnetic field itself caused no additional genetic damage beyond heating effects.
In this 2004 study using 8.8 GHz fields, researchers found no DNA damage from the electromagnetic field itself. All observed genetic damage in frog blood cells resulted from temperature increases during exposure, not non-thermal radiation effects.
A 3.5°C temperature increase caused measurable DNA damage in frog red blood cells during laboratory testing. Researchers confirmed this by heating cells to the same temperature without electromagnetic radiation and observing identical genetic damage patterns.