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The effects of mobile phones on apoptosis in cerebral tissue: an experimental study on rats.

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Yilmaz A, Yilmaz N, Serarslan Y, Aras M, Altas M, Ozgür T, Sefil F. · 2014

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Mobile phone radiation at everyday usage levels triggered cellular stress responses in rat brain tissue after four weeks of exposure.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to mobile phone radiation at typical usage levels for four weeks, then examined brain tissue for signs of cell death (apoptosis). They found significantly increased levels of proteins that control cell death in the exposed rats compared to unexposed controls. This suggests that mobile phone radiation may trigger cellular stress responses in brain tissue at exposure levels similar to everyday phone use.

Why This Matters

This study provides concerning evidence that mobile phone radiation can affect cellular processes in the brain at realistic exposure levels. The SAR values used (0.004-0.288 W/kg) fall within the range of typical mobile phone emissions, making these findings directly relevant to everyday users. What makes this research particularly significant is the study design that mimicked actual phone usage patterns - seven five-minute sessions daily over four weeks. The increased expression of p53 and Bcl-2 proteins indicates cellular stress responses that could potentially lead to DNA damage or abnormal cell death. While this was an animal study, the biological mechanisms involved are fundamentally similar in humans, adding weight to growing concerns about long-term mobile phone use and brain health.

Exposure Details

SAR
0.005 and 0.288, 0.004 and 0.029 W/kg
Source/Device
1900-2100 MHz
Exposure Duration
7 times a day during 5 minutes (3 seconds dialing mode, 4 minutes and 47 seconds of calling mode) for a four week period.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.005 and 0.288, 0.004 and 0.029 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Slight Concern rangeFCC limit is 400x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.10 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.10 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

Aim of this report was to investigate the effects of the mobile phones on the Bcl-2 gene and p53 proteins in rat brains.

In the study group of 10 rats; mobile phones that spread EMW at a frequency between 1900-2100 MHz an...

Immunohistopathological examinations revealed that the samples in the study group had more p53 and B...

Our results showed that the electro-magnetic waves emitted by the mobile phones may have effect on apoptosis. Besides, obtained data revealed that more realistic application of mobile phones during experiments is more important as expected.

Cite This Study
Yilmaz A, Yilmaz N, Serarslan Y, Aras M, Altas M, Ozgür T, Sefil F. (2014). The effects of mobile phones on apoptosis in cerebral tissue: an experimental study on rats. Eur Rev Med Pharmacol Sci. 18(7):992-1000, 2014.
Show BibTeX
@article{a_2014_the_effects_of_mobile_1452,
  author = {Yilmaz A and Yilmaz N and Serarslan Y and Aras M and Altas M and Ozgür T and Sefil F.},
  title = {The effects of mobile phones on apoptosis in cerebral tissue: an experimental study on rats.},
  year = {2014},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/24763879/},
}
PubMed: 24763879

Cited By (11 papers)

Quick Questions About This Study

Yes, a 2014 study found that rats exposed to 1900-2100 MHz mobile phone radiation for four weeks showed significantly increased levels of proteins that control cell death (apoptosis) in brain tissue compared to unexposed controls, suggesting cellular stress responses at typical usage levels.
Research shows that brain tissue exposed to mobile phone radiation had significantly more p53-positive cells with denser staining compared to controls. P53 is a key protein that regulates cell death, indicating potential cellular stress from electromagnetic wave exposure.
A four-week exposure study in rats demonstrated that mobile phone radiation at 1900-2100 MHz frequencies can significantly alter brain cell proteins involved in apoptosis. The researchers found statistically significant changes in both p53 and Bcl-2 protein levels after this exposure period.
Yes, brain tissue showed significantly increased Bcl-2 protein levels after exposure to mobile phone radiation mimicking realistic usage patterns. Bcl-2 regulates cell survival, and these changes were statistically significant compared to both control and sham groups in the study.
Mobile phone electromagnetic waves significantly affect p53 and Bcl-2 proteins in brain tissue. These proteins control cell death pathways (apoptosis), with exposed brain samples showing more positive-stained cells and denser staining patterns compared to unexposed tissue in laboratory studies.