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Superposition of an incoherent magnetic field inhibited EGF receptor clustering and phosphorylation induced by a 1.8 GHz pulse-modulated radiofrequency radiation.

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Sun W, Shen X, Lu D, Lu D, Chiang H · 2013

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Cell phone-level RF radiation triggered abnormal cellular responses that were completely blocked by a weak magnetic field.

Plain English Summary

Summary written for general audiences

Researchers exposed human cells to 1.8 GHz radiofrequency radiation (similar to cell phone signals) and found it triggered abnormal clustering and activation of cellular receptors that control cell growth. Interestingly, when they added a weak 'noise' magnetic field alongside the RF exposure, it completely blocked these cellular changes at moderate power levels, suggesting the magnetic field provided some protection against RF-induced cellular disruption.

Why This Matters

This study reveals something remarkable about how radiofrequency radiation affects our cells at the molecular level. The researchers found that RF exposure at levels as low as 0.5 W/kg triggered abnormal activation of growth factor receptors - the same receptors that, when chronically overstimulated, are linked to cancer development. What makes this research particularly intriguing is the discovery that a weak incoherent magnetic field could completely block these RF-induced changes. The exposure levels used (0.5-4.0 W/kg SAR) span the range of typical cell phone use, where phones often operate between 0.5-2.0 W/kg depending on signal strength and distance from towers. This research adds to the growing body of evidence showing that RF radiation can trigger biological responses at cellular levels well below current safety standards, while also pointing toward potential protective mechanisms that warrant further investigation.

Exposure Details

Magnetic Field
0.002 mG
SAR
0.5, 1.0, 2.0, or 4.0 , 0.1 W/kg
Source/Device
1.8 GHz
Exposure Duration
15 min

Exposure Context

This study used 0.002 mG for magnetic fields:

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.002 mGExtreme Concern - 5 mGFCC Limit - 2,000 mGEffects observed in the No Concern rangeFCC limit is 1,000,000x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1.80 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1.80 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

The present study was conducted to investigate the effect of a temporally incoherent ('noise') magnetic field (MF) on radiofrequency radiation (RFR)-induced epidermal growth factor (EGF) receptor clustering and phosporylation in cultured cells

Human amniotic epithelial (FL) cells were exposed for 15 min to either a 1.8 GHz RFR (modulated at 2...

Exposure of FL cells to the 1.8 GHz RFR at SAR (specific absorption rate) of 0.5, 1.0, 2.0, or 4.0 W...

Based on the data of the experiment, it is suggested that membrane receptors could be one of the main targets by which RFR interacts with cells. An incoherent MF could block the interaction to a certain extent.

Cite This Study
Sun W, Shen X, Lu D, Lu D, Chiang H (2013). Superposition of an incoherent magnetic field inhibited EGF receptor clustering and phosphorylation induced by a 1.8 GHz pulse-modulated radiofrequency radiation. Int J Radiat Biol. 89:378-383, 2013.
Show BibTeX
@article{w_2013_superposition_of_an_incoherent_1344,
  author = {Sun W and Shen X and Lu D and Lu D and Chiang H},
  title = {Superposition of an incoherent magnetic field inhibited EGF receptor clustering and phosphorylation induced by a 1.8 GHz pulse-modulated radiofrequency radiation.},
  year = {2013},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/23210629/},
}
PubMed: 23210629

Cited By (12 papers)

Quick Questions About This Study

Yes, a 2013 study found that a weak 2 μT incoherent magnetic field completely blocked 1.8 GHz cell phone radiation from triggering abnormal EGF receptor clustering in human cells at moderate power levels (0.5-2.0 W/kg), suggesting magnetic noise may provide cellular protection.
Research shows 1.8 GHz radiofrequency radiation causes EGF receptor clustering and phosphorylation at SAR levels of 0.5 W/kg and higher, but not at 0.1 W/kg. The effects occurred within 15 minutes of exposure in human FL cells.
Yes, 1.8 GHz radiation similar to cell phone signals triggers abnormal clustering and activation of EGF receptors that control cell growth. This cellular disruption occurred at power levels as low as 0.5 W/kg within 15 minutes of exposure.
The protective magnetic field only blocked 1.8 GHz radiation effects up to 2.0 W/kg SAR but failed at 4.0 W/kg. This suggests the magnetic field's protective mechanism becomes overwhelmed at very high radiofrequency power levels.
Research suggests membrane receptors like EGF receptors are primary targets where radiofrequency radiation interacts with cells. The 2013 study found 1.8 GHz radiation specifically triggered receptor clustering and phosphorylation, indicating direct membrane-level cellular interference.