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Continuous exposure to 900MHz GSM-modulated EMF alters morphological maturation of neural cells.

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Del Vecchio G, Giuliani A, Fernandez M, Mesirca P, Bersani F, Pinto R, Ardoino L, Lovisolo GA, Giardino L, Calzà L. · 2009

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Cell phone radiation disrupted brain cell development at exposure levels similar to typical phone use.

Plain English Summary

Summary written for general audiences

Researchers exposed developing brain cells to cell phone radiation (900 MHz GSM at 1 W/kg) for up to 6 days and found that the radiation significantly reduced the growth of neurites - the branch-like extensions that neurons use to connect with each other. This disruption occurred in both mouse and rat brain cells, suggesting that cell phone radiation may interfere with normal brain development at the cellular level.

Why This Matters

This study reveals a concerning pattern: radiofrequency radiation at levels commonly produced by cell phones can disrupt the fundamental process of how brain cells mature and form connections. The 1 W/kg exposure level used here falls within the range of typical cell phone emissions during calls, making these findings directly relevant to everyday exposure. What makes this research particularly significant is that it demonstrates effects on neurite development - the very process by which neurons establish the networks essential for brain function. The fact that researchers observed these changes in two different types of brain cells strengthens the evidence that RF-EMF can interfere with normal neurological development. This adds to a growing body of research suggesting that our assumptions about the safety of wireless radiation, particularly for developing brains, may need serious reconsideration.

Exposure Details

SAR
1 W/kg
Source/Device
900 MHz GSM
Exposure Duration
48 and 72 h (24 and 48 h of SN56 cell line differentiation) or at 24, 72, 120 h (2, 4 and 6 days in vitro for cortical neurons)

Exposure Context

This study used 1 W/kg for SAR (device absorption):

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: 1 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern rangeFCC limit is 2x higher than this level
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

Study Details

The effects of radiofrequency electromagnetic field (RF-EMF) exposure on neuronal phenotype maturation have been studied in two different in vitro models: murine SN56 cholinergic cell line and rat primary cortical neurons.

The samples were exposed at a dose of 1W/kg at 900 MHz GSM modulated. The phenotype analysis was car...

We found that RF-EMF exposure reduced the number of neurites generated by both cell systems, and thi...

Cite This Study
Del Vecchio G, Giuliani A, Fernandez M, Mesirca P, Bersani F, Pinto R, Ardoino L, Lovisolo GA, Giardino L, Calzà L. (2009). Continuous exposure to 900MHz GSM-modulated EMF alters morphological maturation of neural cells. Neurosci Lett. 455(3):173-177, 2009.
Show BibTeX
@article{g_2009_continuous_exposure_to_900mhz_933,
  author = {Del Vecchio G and Giuliani A and Fernandez M and Mesirca P and Bersani F and Pinto R and Ardoino L and Lovisolo GA and Giardino L and Calzà L.},
  title = {Continuous exposure to 900MHz GSM-modulated EMF alters morphological maturation of neural cells.},
  year = {2009},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/19429115/},
}
PubMed: 19429115

Cited By (48 papers)

View all 48 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, a 2009 study found that 900 MHz GSM radiation at 1 W/kg significantly reduced neurite growth in developing brain cells from both mice and rats. Neurites are the branch-like extensions neurons use to connect with each other, making this finding concerning for normal brain development.
Research shows that continuous 6-day exposure to 900 MHz GSM radiation disrupts normal neural cell maturation by reducing neurite formation. The study used developing brain cells and found consistent effects across different cell systems, suggesting interference with critical developmental processes.
Beta-thymosin mRNA is a genetic marker that increased when brain cells were exposed to 900 MHz GSM radiation. This increase correlated with reduced neurite growth, suggesting the radiation triggers cellular stress responses that interfere with normal neural development and connectivity formation.
Yes, exposure to 1 W/kg SAR from 900 MHz GSM radiation reduces the number of neurites that brain cells produce. Since neurites are essential for neurons to connect and communicate with each other, this suggests cell phone radiation may impair brain connectivity development.
Research demonstrates that 900 MHz GSM radiation affects brain cells from both mice and rats in similar ways, reducing neurite formation in both species. This cross-species consistency strengthens the evidence that GSM radiation can disrupt normal neural development processes.