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Long-term exposure of E-mu-Pim1 transgenic mice to 898.4 MHz microwaves does not increase lymphoma incidence

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Utteridge TD, Gebski V, Finnie JW, Vernon-Roberts B, Kuchel TR. · 2002

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Long-term cell phone radiation exposure showed no increased cancer risk in cancer-prone mice, contradicting earlier findings.

Plain English Summary

Summary written for general audiences

Researchers exposed cancer-prone mice to cell phone radiation (898.4 MHz) for up to 2 years at various intensities to see if it increased lymphoma rates. They found no significant increase in cancer incidence at any exposure level, even in mice genetically predisposed to develop lymphomas. This study contradicted an earlier 1997 study that found increased cancer risk from similar radiofrequency exposure.

Why This Matters

This study represents a significant attempt to replicate controversial findings from Repacholi's 1997 research, which showed increased lymphoma rates in similar cancer-prone mice exposed to 900 MHz radiation. The failure to reproduce those results raises important questions about the reproducibility of EMF cancer research. However, the exposure levels tested (0.25-4.0 W/kg SAR) are considerably higher than typical cell phone use, which averages around 1.6 W/kg maximum SAR. What this means for you is that while this particular study found no cancer link, the broader body of research on EMF and cancer remains mixed, with some studies showing effects and others not. The science demonstrates that we still lack definitive answers about long-term cancer risks from radiofrequency exposure.

Exposure Details

SAR
0.25, 1.0, 2.0 and 4.0 W/kg
Source/Device
898.4 MHz
Exposure Duration
1 h/day 5 days/week

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.25, 1.0, 2.0 and 4.0 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern rangeFCC limit is 6x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 898.4 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 898.4 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

The aim of this study is to investigate Long-term exposure of E-mu-Pim1 transgenic mice to 898.4 MHz microwaves does not increase lymphoma incidence

A total of 120 E mu-Pim1 heterozygous mice and 120 wild-type mice were exposed for 1 h/day 5 days/we...

Independent verification confirmed that the exposures in the current study were nonthermal. There wa...

The findings showed that long-term exposures of lymphoma-prone mice to 898.4 MHz GSM radiofrequency (RF) radiation at SARs of 0.25, 1.0, 2.0 and 4.0 W/kg had no significant effects when compared to sham-irradiated animals.

Cite This Study
Utteridge TD, Gebski V, Finnie JW, Vernon-Roberts B, Kuchel TR. (2002). Long-term exposure of E-mu-Pim1 transgenic mice to 898.4 MHz microwaves does not increase lymphoma incidence Radiat Res 158(3):357-364, 2002.
Show BibTeX
@article{td_2002_longterm_exposure_of_emupim1_1395,
  author = {Utteridge TD and Gebski V and Finnie JW and Vernon-Roberts B and Kuchel TR.},
  title = {Long-term exposure of E-mu-Pim1 transgenic mice to 898.4 MHz microwaves does not increase lymphoma incidence},
  year = {2002},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/12175314/},
}
PubMed: 12175314

Cited By (149 papers)

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Quick Questions About This Study

A 2002 study found that cell phone radiation at 898.4 MHz did not increase lymphoma rates in cancer-prone mice, even after 2 years of exposure at various intensities. This contradicted earlier research suggesting a cancer link.
Research on 898.4 MHz radiation showed no significant increase in cancer incidence among genetically susceptible mice exposed for up to 2 years. The study tested multiple exposure levels without finding dose-response effects.
A controlled study using GSM radiation at 898.4 MHz found no increased lymphoma risk in cancer-prone mice over 2 years. However, this animal research may not directly translate to human cancer patients.
One major study found no increased lymphoma risk from cell phone-frequency radiation (898.4 MHz) in susceptible mice over 2 years. The research contradicted previous studies that suggested potential cancer links from similar exposures.
Research on 898.4 MHz radiofrequency exposure showed no effect on cancer development in lymphoma-prone mice over 2 years. The study found no significant differences between exposed and unexposed groups at any intensity level.