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DNA & Genetic Damage

Absence of genotoxic potential of 902 MHz (GSM) and 1747 MHz (DCS) wireless communication signals: In vivo two-year bioassay in B6C3F1 mice.

No Effects Found

Ziemann C, Brockmeyer H, Reddy SB, Vijayalaxmi, Prihoda TJ, Kuster N, Tillmann T, Dasenbrock C. · 2009

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Two years of cell phone radiation exposure up to twice current safety limits showed no genetic damage in mice blood cells.

Plain English Summary

Summary written for general audiences

Researchers exposed mice to cell phone radiation (GSM and DCS signals) for 2 hours daily, 5 days a week for two years to test whether it damages DNA. They measured micronuclei (small DNA fragments that indicate genetic damage) in blood cells and found no difference between exposed and unexposed mice. This suggests that chronic exposure to these specific cell phone frequencies at the tested levels did not cause detectable genetic damage in this animal model.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 902 MHz - 1.75 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 902 MHz - 1.75 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: GSM, 902 MHz or DCS, 1747 MHz Duration: 2 hours/day on 5 days/week for two years

Study Details

The aim of the present investigation was to determine the incidence of micronuclei in peripheral blood erythrocytes of B6C3F1 mice that had been chronically exposed to radiofrequencies (RF) used for mobile communication.

Ferris wheels' were used to expose tube-restrained male and female mice to simulated environmental R...

There were no significant differences in the frequency of micronuclei between RF-exposed, sham-expos...

In conclusion, the data did not indicate RF-induced genotoxicity in mice after two years of exposure.

Cite This Study
Ziemann C, Brockmeyer H, Reddy SB, Vijayalaxmi, Prihoda TJ, Kuster N, Tillmann T, Dasenbrock C. (2009). Absence of genotoxic potential of 902 MHz (GSM) and 1747 MHz (DCS) wireless communication signals: In vivo two-year bioassay in B6C3F1 mice. Int J Radiat Biol. 85(5):454-464, 2009.
Show BibTeX
@article{c_2009_absence_of_genotoxic_potential_3507,
  author = {Ziemann C and Brockmeyer H and Reddy SB and Vijayalaxmi and Prihoda TJ and Kuster N and Tillmann T and Dasenbrock C.},
  title = {Absence of genotoxic potential of 902 MHz (GSM) and 1747 MHz (DCS) wireless communication signals: In vivo two-year bioassay in B6C3F1 mice.},
  year = {2009},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/19365745/},
}
PubMed: 19365745

Cited By (23 papers)

Quick Questions About This Study

No, a comprehensive 2-year study found no genetic damage in mice exposed to GSM 902 MHz radiation for 2 hours daily, 5 days per week. Researchers measured micronuclei (DNA damage markers) in blood cells and found no differences between exposed and unexposed mice.
Research shows DCS 1747 MHz signals did not cause DNA damage in mice after two years of chronic exposure. The study measured micronuclei formation in blood cells and found no significant differences between radiation-exposed mice and control groups.
The micronuclei test measures small DNA fragments in blood cells that indicate genetic damage. In this 2-year mouse study of GSM and DCS frequencies, researchers found no increase in micronuclei formation from cell phone radiation exposure.
Scientists exposed mice to GSM 902 MHz and DCS 1747 MHz radiation for two full years, with 2-hour daily sessions five days per week. This comprehensive long-term study found no evidence of genetic damage from either frequency.
No, neither GSM 902 MHz nor DCS 1747 MHz frequencies showed genotoxic effects on blood cells in this two-year mouse study. Researchers found no significant differences in DNA damage markers between radiation-exposed and control mice.