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Oxidative Stress

Effect of 900 MHz Electromagnetic Radiation on the Induction of ROS in Human Peripheral Blood Mononuclear Cells.

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Kazemi E, Mortazavi SM, Ali-Ghanbari A, Sharifzadeh S, Ranjbaran R, Mostafavi-Pour Z, Zal F, Haghani M. · 2015

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Cell phone radiation increased harmful oxidative stress in immune cells after just 2 hours of exposure.

Plain English Summary

Summary written for general audiences

Researchers exposed blood cells from 13 healthy volunteers to 900 MHz radiation (the frequency used by cell phones) for 2 hours and measured cellular damage. They found that exposure significantly increased reactive oxygen species (ROS) - harmful molecules that damage cells - in monocytes, a type of immune cell. This suggests that cell phone radiation can trigger oxidative stress in immune system cells.

Why This Matters

This study adds important evidence to our understanding of how cell phone radiation affects immune system function at the cellular level. The researchers found that 900 MHz radiation - the same frequency used in GSM cell phone networks - triggered oxidative stress in monocytes, key immune cells that help defend against infections. What makes this finding particularly relevant is that oxidative stress is linked to inflammation, cellular aging, and various health problems. The fact that immune cells showed this response suggests that chronic exposure to cell phone radiation could potentially impact immune function over time. While the study didn't specify exact exposure levels, the 2-hour duration mirrors extended phone use that many people experience daily through calls, internet browsing, or simply carrying their phone.

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: 2 hr

Study Details

Here we investigated the effect of 900 MHz GSM on the induction of oxidative stress and the level of intracellular reactive oxygen species (ROS) in human mononuclear cells, monocytes and lymphocytes as defence system cells.

6 ml Peripheral Blood samples were obtained from 13 healthy volunteers (21-30 year-old). Each sample...

Our results showed significant increase in ROS production after exposure in population rich in monoc...

The results obtained in this study clearly showed the oxidative stress induction capability of RF electromagnetic field in the portion of PBMCs mostly in monocytes, like the case of exposure to micro organisms, although the advantages or disadvantages of this effect should be evaluated.

Cite This Study
Kazemi E, Mortazavi SM, Ali-Ghanbari A, Sharifzadeh S, Ranjbaran R, Mostafavi-Pour Z, Zal F, Haghani M. (2015). Effect of 900 MHz Electromagnetic Radiation on the Induction of ROS in Human Peripheral Blood Mononuclear Cells. J Biomed Phys Eng. 5(3):105-114, 2015.
Show BibTeX
@article{e_2015_effect_of_900_mhz_1655,
  author = {Kazemi E and Mortazavi SM and Ali-Ghanbari A and Sharifzadeh S and Ranjbaran R and Mostafavi-Pour Z and Zal F and Haghani M.},
  title = {Effect of 900 MHz Electromagnetic Radiation on the Induction of ROS in Human Peripheral Blood Mononuclear Cells.},
  year = {2015},
  
  url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4576871/},
}

Quick Questions About This Study

Yes, a 2015 study found that 2-hour exposure to 900 MHz radiation significantly increased harmful reactive oxygen species in monocytes, a type of immune cell in human blood. This suggests cell phone frequencies can trigger oxidative stress in your immune system cells.
Monocytes showed significantly increased reactive oxygen species (ROS) production after 2 hours of 900 MHz exposure in laboratory studies. These harmful molecules can damage cells and indicate oxidative stress, while lymphocytes showed no significant changes under the same conditions.
Research shows that just 2 hours of 900 MHz radiation exposure can trigger measurable oxidative stress in human blood monocytes. The study exposed blood cells from 13 healthy volunteers and found significant increases in cell-damaging reactive oxygen species within this timeframe.
No, lymphocytes did not show significant increases in reactive oxygen species when exposed to 900 MHz radiation for 2 hours, unlike monocytes. This suggests different immune cell types respond differently to cell phone frequency radiation exposure.
Yes, researchers found that 900 MHz electromagnetic fields can induce oxidative stress in immune cells similar to microbial infections. The study showed monocytes respond to cell phone radiation by producing reactive oxygen species, mimicking their response to pathogens.