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915 MHz microwaves and 50 Hz magnetic field affect chromatin conformation and 53BP1 foci in human lymphocytes from hypersensitive and healthy persons.

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Belyaev IY, Hillert L, Protopopova M, Tamm C, Malmgren LO, Persson BR, Selivanova G, Harms-Ringdahl M. · 2005

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Cell phone radiation and power line magnetic fields cause DNA structure changes in human cells, triggering the same stress response as heat shock.

Plain English Summary

Summary written for general audiences

Researchers exposed white blood cells from healthy people and those with electromagnetic sensitivity to cell phone radiation (915 MHz). Both groups showed identical DNA structural changes similar to heat stress, confirming that electromagnetic fields cause measurable biological effects in human cells.

Why This Matters

This study provides compelling evidence that EMF exposure creates measurable biological stress responses in human cells, even at relatively low levels. The 915 MHz exposure used a specific absorption rate of 0.037 W/kg, which is well below current safety limits but still within the range of typical mobile phone use. What makes this research particularly significant is that it demonstrates EMF-induced cellular stress occurs regardless of whether people report being electromagnetically sensitive. The chromatin condensation observed is a fundamental cellular stress response, similar to heat shock, indicating that EMF exposure triggers protective mechanisms in our cells. This suggests that while some people may be more aware of EMF effects, the underlying biological impact is universal and measurable at the cellular level.

Exposure Details

SAR
0.037 W/kg
Source/Device
915 MHz GSM mobile phone

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.037 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Severe Concern rangeFCC limit is 43x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 915 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 915 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

To investigate whether 915 MHz microwaves and 50 Hz magnetic field affect chromatin conformation and 53BP1 foci in human lymphocytes from hypersensitive and healthy persons.

We used exposure to microwaves from a global system for mobile communication (GSM) mobile phone (915...

Exposure at room temperature to either 915 MHz or 50 Hz resulted in significant condensation of chro...

In conclusion, 50 Hz magnetic field and 915 MHz microwaves under specified conditions of exposure induced comparable responses in lymphocytes from healthy and hypersensitive donors that were similar but not identical to stress response induced by heat shock.

Cite This Study
Belyaev IY, Hillert L, Protopopova M, Tamm C, Malmgren LO, Persson BR, Selivanova G, Harms-Ringdahl M. (2005). 915 MHz microwaves and 50 Hz magnetic field affect chromatin conformation and 53BP1 foci in human lymphocytes from hypersensitive and healthy persons. Bioelectromagnetics 26:173-184, 2005.
Show BibTeX
@article{iy_2005_915_mhz_microwaves_and_39,
  author = {Belyaev IY and Hillert L and Protopopova M and Tamm C and Malmgren LO and Persson BR and Selivanova G and Harms-Ringdahl M.},
  title = {915 MHz microwaves and 50 Hz magnetic field affect chromatin conformation and 53BP1 foci in human lymphocytes from hypersensitive and healthy persons.},
  year = {2005},
  doi = {10.1002/bem.20103},
  url = {http://onlinelibrary.wiley.com/doi/10.1002/bem.20103/abstract},
}
DOI: 10.1002/bem.20103

Cited By (103 papers)

View all 103 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, 915 MHz GSM radiation causes significant DNA structural changes in white blood cells. A 2005 study found that cell phone radiation at this frequency triggers chromatin condensation similar to heat stress, demonstrating measurable biological effects in human lymphocytes from both healthy individuals and electromagnetically sensitive people.
No, electromagnetically hypersensitive people show identical cellular responses to 915 MHz radiation as healthy individuals. The 2005 Belyaev study found no significant differences between the two groups when their white blood cells were exposed to GSM phone frequencies, with both experiencing the same DNA structural changes.
Yes, 915 MHz radiation produces cellular stress responses similar to heat shock at 41°C. The study found that GSM phone radiation causes chromatin condensation in white blood cells that mirrors heat stress effects, though the responses were comparable rather than identical to thermal damage.
No, 915 MHz GSM radiation does not cause cell death in human white blood cells. The 2005 research specifically tested for apoptosis using multiple methods and found no evidence that cell phone radiation at this frequency kills lymphocytes or causes DNA fragmentation.
Both 915 MHz GSM radiation and 50 Hz magnetic fields produce comparable cellular stress responses in human lymphocytes. The study found that both frequencies cause similar chromatin condensation and decreased 53BP1 protein signaling, indicating they trigger equivalent biological effects despite different frequencies.