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Exposure to 1800 MHz radiofrequency radiation impairs neurite outgrowth of embryonic neural stem cells.

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Chen C, Ma Q, Liu C, Deng P, Zhu G, Zhang L, He M, Lu Y, Duan W, Pei L, Li M, Yu Z, Zhou Z. · 2014

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Cell phone radiation impaired brain cell development at exposure levels similar to typical phone use, raising concerns about EMF exposure during pregnancy.

Plain English Summary

Summary written for general audiences

Scientists exposed developing brain cells to cell phone radiation at 1800 MHz for three days. The radiation didn't kill cells but significantly impaired their ability to grow connections needed for proper brain function, suggesting potential risks to brain development during pregnancy.

Why This Matters

This study reveals a concerning finding about how radiofrequency radiation affects the fundamental building blocks of brain development. The researchers found that exposure at 4 W/kg - a level within the range of typical cell phone emissions - disrupted the growth of neurites, which are essentially the 'wiring' that allows brain cells to communicate. What makes this particularly significant is that the effect occurred in embryonic neural stem cells, which are critical during fetal brain development. The study used rigorous methodology, testing multiple exposure levels and durations, and found dose-dependent effects. While this was conducted in laboratory cell cultures rather than living organisms, it adds to a growing body of evidence suggesting that developing brains may be particularly vulnerable to EMF exposure. For pregnant women, this research underscores the importance of minimizing unnecessary EMF exposure, especially from devices held close to the body.

Exposure Details

SAR
1, 2, and 4 W/kg
Source/Device
1800 MHz
Exposure Duration
1, 2, and 3 days

Exposure Context

This study used 1, 2, and 4 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, 2, and 4 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 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 aim of this study is to investigate Exposure to 1800 MHz radiofrequency radiation impairs neurite outgrowth of embryonic neural stem cells

Here, we exposed eNSCs to 1800 MHz RF-EMF at specific absorption rate (SAR) values of 1, 2, and 4 W/...

We found that 1800 MHz RF-EMF exposure did not influence eNSC apoptosis, proliferation, cell cycle o...

These results together suggested that 1800 MHz RF-EMF exposure impairs neurite outgrowth of eNSCs. More attention should be given to the potential adverse effects of RF-EMF exposure on brain development.

Cite This Study
Chen C, Ma Q, Liu C, Deng P, Zhu G, Zhang L, He M, Lu Y, Duan W, Pei L, Li M, Yu Z, Zhou Z. (2014). Exposure to 1800 MHz radiofrequency radiation impairs neurite outgrowth of embryonic neural stem cells. Sci Rep. 2014 May 29;4:5103. doi: 10.1038/srep05103.
Show BibTeX
@article{c_2014_exposure_to_1800_mhz_900,
  author = {Chen C and Ma Q and Liu C and Deng P and Zhu G and Zhang L and He M and Lu Y and Duan W and Pei L and Li M and Yu Z and Zhou Z.},
  title = {Exposure to 1800 MHz radiofrequency radiation impairs neurite outgrowth of embryonic neural stem cells.},
  year = {2014},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/24869783/},
}
PubMed: 24869783

Cited By (76 papers)

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Quick Questions About This Study

Yes, a 2014 study found that 1800 MHz radiation significantly impaired neurite outgrowth in embryonic neural stem cells after three days of exposure. The radiation didn't kill cells but prevented them from forming proper connections essential for brain function and development.
Research shows 4 W/kg exposure to 1800 MHz radiation impairs neuron development by reducing neurite outgrowth - the process where brain cells grow connections. This occurred without affecting cell survival, proliferation, or the basic formation of neurons and astrocytes.
1800 MHz radiation decreases expression of crucial brain development genes Ngn1 and NeuroD, which promote neurite growth. Simultaneously, it increases Hes1, a gene that inhibits neurite outgrowth. This genetic disruption impairs proper neural connection formation in developing brain cells.
A 2014 study suggests potential risks, as 1800 MHz radiation impaired the ability of embryonic neural stem cells to grow proper connections. While cells survived, their capacity to develop into functional brain networks was significantly compromised during the critical development period.
Just three days of 1800 MHz radiation exposure was sufficient to significantly impair neurite outgrowth in embryonic neural stem cells. This relatively short timeframe suggests developing brain tissue may be particularly vulnerable to radiofrequency radiation during critical growth periods.