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Oxidative Stress

Effects of combined radiofrequency radiation exposure on levels of reactive oxygen species in neuronal cells.

No Effects Found

Kang KA, Lee HC, Lee JJ, Hong MN, Park MJ, Lee YS, Choi HD, Kim N, Ko YK, Lee JS. · 2013

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Combined cell phone radiation at 2.5 times regulatory limits showed no oxidative stress effects in lab-grown brain cells over 2 hours.

Plain English Summary

Summary written for general audiences

Researchers exposed neuronal brain cells to combined cell phone radiation (CDMA and WCDMA signals) for 2 hours to see if it would increase reactive oxygen species (ROS), which are harmful molecules that can damage cells. The study found no increase in ROS levels from the radiation exposure, even when combined with chemicals known to cause oxidative stress. This suggests the specific radiation levels tested did not trigger cellular damage in these lab-grown brain cells.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 837 MHz - 1.95 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 837 MHz - 1.95 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: 837 MHz CDMA and 1950 MHz WCDMA Duration: 2h

Study Details

The objective of this study was to investigate the effects of the combined RF radiation (837 MHz CDMA plus 1950 MHz WCDMA) signal on levels of intracellular reactive oxygen species (ROS) in neuronal cells.

Exposure of the combined RF signal was conducted at specific absorption rate values of 2 W/kg of CDM...

Intracellular ROS levels were not consistently affected by combined RF radiation exposure alone in a...

These findings indicate that neither combined RF radiation alone nor combined RF radiation with menadione or H2O2 influences the intracellular ROS level in neuronal cells such as U87, PC12 or SH-SY5Y

Cite This Study
Kang KA, Lee HC, Lee JJ, Hong MN, Park MJ, Lee YS, Choi HD, Kim N, Ko YK, Lee JS. (2013). Effects of combined radiofrequency radiation exposure on levels of reactive oxygen species in neuronal cells. J Radiat Res. 2013 Oct 8.
Show BibTeX
@article{ka_2013_effects_of_combined_radiofrequency_2879,
  author = {Kang KA and Lee HC and Lee JJ and Hong MN and Park MJ and Lee YS and Choi HD and Kim N and Ko YK and Lee JS.},
  title = {Effects of combined radiofrequency radiation exposure on levels of reactive oxygen species in neuronal cells.},
  year = {2013},
  
  url = {https://academic.oup.com/jrr/article/55/2/265/954495?login=true},
}

Quick Questions About This Study

A 2013 study found that combined 837 MHz CDMA and 1950 MHz WCDMA radiation did not increase reactive oxygen species in neuronal brain cells after 2-hour exposure. The research tested three different brain cell types and found no significant oxidative stress effects from these specific cell phone frequencies.
Research on U87, PC12, and SH-SY5Y neuronal cells showed no cellular damage from combined 837 MHz CDMA and 1950 MHz WCDMA radiation exposure. The study specifically measured reactive oxygen species levels, which indicate cellular damage, and found no statistically significant increases after radiation exposure.
A 2013 study testing combined CDMA and WCDMA frequencies found no increased cellular damage compared to single frequency exposure. Even when brain cells were exposed to both 837 MHz and 1950 MHz radiation simultaneously for 2 hours, reactive oxygen species levels remained unchanged.
Research found that 2-hour exposure to combined 837 MHz CDMA and 1950 MHz WCDMA radiation did not affect antioxidant systems in brain cells. The study measured reactive oxygen species as markers of oxidative stress and found no significant changes in cellular antioxidant balance.
A study testing combined CDMA and WCDMA radiation with oxidative stress chemicals found no additional cellular damage. When neuronal cells were exposed to both radiation and hydrogen peroxide or menadione, the radiation did not increase the oxidative stress levels beyond what the chemicals alone produced.