8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body

Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Oxidative Stress

Effect of Exposure to the Edge Signal on Oxidative Stress in Brain Cell Models

No Effects Found

Authors not listed · 2010

Share:

EDGE 3G signals at 1800 MHz showed no oxidative stress in isolated brain cells, even at high exposure levels.

Plain English Summary

Summary written for general audiences

Researchers exposed human brain cells to EDGE signal radiation (used in 3G mobile networks) at 1800 MHz to test for oxidative stress damage. Even at high exposure levels of 10 W/kg for up to 24 hours, the radiation did not increase harmful reactive oxygen species in neurons, astrocytes, or microglia. This suggests EDGE signals don't cause oxidative damage under these laboratory conditions.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1800 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1800 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale
Cite This Study
Unknown (2010). Effect of Exposure to the Edge Signal on Oxidative Stress in Brain Cell Models.
Show BibTeX
@article{effect_of_exposure_to_the_edge_signal_on_oxidative_stress_in_brain_cell_models_ce769,
  author = {Unknown},
  title = {Effect of Exposure to the Edge Signal on Oxidative Stress in Brain Cell Models},
  year = {2010},
  doi = {10.1667/rr2320.1},
  
}
DOI: 10.1667/rr2320.1PubMed: 21268716

Quick Questions About This Study

This study found no oxidative stress damage in human brain cells exposed to EDGE signals at 1800 MHz, even at high power levels of 10 W/kg for 24 hours. However, this tests only one type of cellular damage.
Researchers tested 2 W/kg and 10 W/kg exposure levels. The 10 W/kg level is much higher than typical phone use, providing a safety margin for testing potential cellular damage from EDGE radiation.
Scientists exposed brain cells for either 1 hour or 24 hours continuously. They measured oxidative stress immediately after 24-hour exposure, or 24 hours after the shorter 1-hour exposure period ended.
The study tested three human brain cell types: neurons (SH-SY5Y), astrocytes (U87), and microglia (CHME5), plus primary cortical neurons. All cell types showed no increase in harmful reactive oxygen species from EDGE exposure.
EDGE technology at 1800 MHz was primarily used in 3G networks. While some networks still use these frequencies, most modern phones operate on 4G LTE and 5G networks with different signal characteristics.