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DNA & Genetic Damage

No evidence of major transcriptional changes in the brain of mice exposed to 1800 MHz GSM signal

No Effects Found

Paparini A, Rossi P, Gianfranceschi G, Brugaletta V, Falsaperla R, De Luca P, Romano Spica V. · 2008

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Short-term GSM phone radiation showed no gene expression changes in mouse brains, but longer exposures remain understudied.

Plain English Summary

Summary written for general audiences

Researchers exposed mice to cell phone radiation at 1800 MHz (the frequency used by GSM phones) for one hour to see if it changed gene activity in their brains. Using advanced genetic analysis techniques, they found no significant changes in how genes were expressed in the brain tissue. This suggests that short-term exposure to this type of cell phone radiation at the levels tested does not trigger major changes in brain cell function at the genetic level.

Why This Matters

This study provides important data on whether cell phone radiation can alter gene expression in brain tissue, a key question since changes in gene activity could indicate cellular stress or damage. The exposure level used (1.1 W/kg whole body, 0.2 W/kg in brain) is within the range of typical cell phone use, making these findings relevant to real-world scenarios. However, the study's limitations are significant: only one hour of exposure was tested, and the researchers examined whole brain tissue rather than specific brain regions that might be more sensitive. The reality is that this single negative study, while reassuring, doesn't settle the broader question of EMF effects on gene expression. The science demonstrates mixed results across different studies, exposure levels, and timeframes. What this means for you is that while this particular study found no gene changes from short GSM exposure, it represents just one data point in a complex field where longer exposures, different frequencies, and more sensitive detection methods continue to yield concerning results in other research.

Exposure Details

SAR
1.1 W/kg
Source/Device
1800 MHz GSM
Exposure Duration
1h
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1.80 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1.80 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

To analyze possible effects of microwaves on gene expression, mice were exposed to global system for mobile communication (GSM) 1800 MHz signal for 1 h at a whole body SAR of 1.1 W/kg.

Gene expression was studied in the whole brain, where the average SAR was 0.2 W/kg, by expression mi...

However, when less stringent constraints were adopted to analyze microarray results, 75 genes were f...

Under these specific limited conditions, no consistent indication of gene expression modulation in whole mouse brain was found associated to GSM 1800 MHz exposure.

Cite This Study
Paparini A, Rossi P, Gianfranceschi G, Brugaletta V, Falsaperla R, De Luca P, Romano Spica V. (2008). No evidence of major transcriptional changes in the brain of mice exposed to 1800 MHz GSM signal Bioelectromagnetics. 29(4):312-323, 2008.
Show BibTeX
@article{a_2008_no_evidence_of_major_2792,
  author = {Paparini A and Rossi P and Gianfranceschi G and Brugaletta V and Falsaperla R and De Luca P and Romano Spica V.},
  title = {No evidence of major transcriptional changes in the brain of mice exposed to 1800 MHz GSM signal},
  year = {2008},
  doi = {10.1002/bem.20399},
  url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/bem.20399},
}
DOI: 10.1002/bem.20399

Cited By (41 papers)

Quick Questions About This Study

A 2008 study found no significant changes in gene expression in mouse brains after one hour of 1800 MHz GSM radiation exposure. While 75 genes initially appeared affected using less stringent analysis, these changes weren't confirmed by more rigorous testing methods.
Research on mice exposed to 1800 MHz GSM signals for one hour showed no consistent evidence of altered brain cell function at the genetic level. The study used advanced microarray analysis to examine gene expression changes in whole brain tissue.
A controlled study exposing mice to 1800 MHz GSM radiation for one hour found no major transcriptional changes in brain tissue. Initial findings of 75 modulated genes were not validated when researchers used more stringent analytical methods.
Microarray analysis of mouse brains after 1800 MHz GSM exposure revealed no consistent gene expression changes. While preliminary analysis suggested 75 genes might be affected, real-time PCR validation failed to confirm these transcriptional modifications in brain tissue.
A 2008 study found no evidence of genetic risks from limited 1800 MHz GSM exposure in mouse brains. One-hour exposures produced no confirmed changes in gene expression, suggesting short-term GSM radiation doesn't trigger major genetic alterations.