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Effect of mobile phone exposure on apoptotic glial cells and status of oxidative stress in rat brain.

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Dasdag S, Akdag MZ, Ulukaya E, Uzunlar AK, Ocak AR. · 2009

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This study found 900 MHz cell phone radiation reduced brain cell death in rats, suggesting complex biological responses that challenge simple harm assumptions.

Plain English Summary

Summary written for general audiences

Turkish researchers exposed rats to cell phone radiation (900 MHz) for 2 hours daily over 10 months to study brain cell death and oxidative stress. Surprisingly, they found that radiation exposure actually reduced brain cell death (apoptosis) and increased antioxidant activity compared to unexposed rats. This unexpected protective effect challenges assumptions about cell phone radiation's impact on brain tissue.

Why This Matters

This study presents an intriguing paradox in EMF research. While many studies suggest cellular phone radiation may cause oxidative stress and cellular damage, this 10-month investigation found the opposite: 900 MHz exposure appeared to trigger protective responses in rat brains, reducing cell death and boosting antioxidant defenses. The reality is that biological responses to EMF exposure are complex and dose-dependent. What this means for you is that the science isn't as straightforward as 'radiation always equals damage.' However, this single study shouldn't diminish concerns about long-term exposure. The research landscape includes hundreds of studies showing various harmful effects, and protective responses observed in laboratory animals don't necessarily translate to human health benefits. The evidence shows we need more research to understand these seemingly contradictory findings.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 900 MHz Duration: 2h per day (7 days in a week) for 10 months

Study Details

The aim of this study was to investigate the effects of mobile phone exposure on glial cells in brain.

The study carried out on 31 Wistar Albino adult male rats. The rat heads in a carousel exposed to 90...

Final score for apoptosis in the exposed group was significantly lower than the sham (p < 0.001) and...

In conclusion, the final score for apoptosis, total antioxidant capacity and catalase in rat brain might be altered by 900 MHz radiation produced by a generator to represent exposure of global systems for mobile communication (GSM) cellular phones.

Cite This Study
Dasdag S, Akdag MZ, Ulukaya E, Uzunlar AK, Ocak AR. (2009). Effect of mobile phone exposure on apoptotic glial cells and status of oxidative stress in rat brain. Electromagn Biol Med. 28(4):342-354, 2009.
Show BibTeX
@article{s_2009_effect_of_mobile_phone_1627,
  author = {Dasdag S and Akdag MZ and Ulukaya E and Uzunlar AK and Ocak AR.},
  title = {Effect of mobile phone exposure on apoptotic glial cells and status of oxidative stress in rat brain.},
  year = {2009},
  doi = {10.3109/15368370903206556},
  url = {https://www.tandfonline.com/doi/abs/10.3109/15368370903206556},
}
DOI: 10.3109/15368370903206556

Cited By (112 papers)

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Quick Questions About This Study

Turkish researchers found that rats exposed to 900 MHz cell phone radiation for 2 hours daily over 10 months actually showed reduced brain cell death (apoptosis) compared to unexposed rats. This unexpected protective effect challenges common assumptions about cell phone radiation's harmful impact on brain tissue.
Yes, the 2009 study found that rats exposed to 900 MHz radiation for 10 months showed significantly higher total antioxidant capacity and catalase activity in brain tissue compared to unexposed rats. This suggests the radiation may trigger protective antioxidant responses in the brain.
The study's unexpected protective findings may indicate that moderate cell phone radiation exposure triggers adaptive cellular responses. The researchers observed reduced brain cell death and increased antioxidant activity, suggesting the brain may develop protective mechanisms against 900 MHz radiation exposure over time.
After 10 months of daily 900 MHz GSM radiation exposure, rat brains showed significantly reduced cell death (apoptosis) and increased antioxidant enzyme activity. However, overall oxidative stress levels remained unchanged compared to unexposed control groups, indicating complex cellular responses.
No, the 2009 study found that 10 months of 900 MHz radiation exposure did not significantly change p53 protein levels in rat brain tissue. While the radiation reduced cell death and increased antioxidants, it did not affect this important tumor suppressor protein.