6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.
Shield Your Body

Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Cancer & Tumors

Mobile phone base station radiation does not affect neoplastic transformation in BALB/3T3 cells.

No Effects Found

Hirose H, Suhara T, Kaji N, Sakuma N, Sekijima M, Nojima T, Miyakoshi J. · 2008

View Original Abstract
Share:

Base station radiation up to 800 mW/kg didn't cause cancer-like cell changes in this lab study.

Plain English Summary

Summary written for general audiences

Researchers exposed mouse cells to radiofrequency radiation from mobile phone base stations for six weeks to see if it would cause cancerous changes. Even at high exposure levels (800 mW/kg), the radiation did not increase the rate of cell transformation into cancer cells. This suggests that base station radiation at these levels doesn't directly promote tumor formation in laboratory conditions.

Why This Matters

This study provides reassuring evidence about base station radiation, but it's important to understand its limitations. The 800 mW/kg exposure level tested here is significantly higher than what you'd typically encounter from cell towers in daily life, which makes the negative findings more meaningful. However, this was a laboratory study using mouse cells over six weeks - a relatively short timeframe compared to decades of human exposure. The science demonstrates that single studies, whether positive or negative, don't settle complex health questions. What this means for you is that while this research suggests base station radiation may not directly cause cellular transformation at these levels, it's one piece of a much larger puzzle that includes hundreds of other studies examining different biological endpoints.

Exposure Details

SAR
0.08, 0.8 W/kg
Source/Device
2.1425 GHz
Exposure Duration
6 weeks

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.08, 0.8 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Severe Concern range (Building Biology)FCC limit is 20 times higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.14 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.14 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

The aim of this study is to investigate Mobile phone base station radiation does not affect neoplastic transformation in BALB/3T3 cells

In the current study, BALB/3T3 cells were continuously exposed to 2.1425 GHz W-CDMA RF fields at spe...

No significant differences in transformation frequency were observed between the test groups exposed...

Our results suggest that exposure to low-level RF radiation of up to 800 mW/kg does not induce cell transformation, which causes tumor formation.

Cite This Study
Hirose H, Suhara T, Kaji N, Sakuma N, Sekijima M, Nojima T, Miyakoshi J. (2008). Mobile phone base station radiation does not affect neoplastic transformation in BALB/3T3 cells. Bioelectromagnetics. 29(1): 55-64, 2008.
Show BibTeX
@article{h_2008_mobile_phone_base_station_3087,
  author = {Hirose H and Suhara T and Kaji N and Sakuma N and Sekijima M and Nojima T and Miyakoshi J.},
  title = {Mobile phone base station radiation does not affect neoplastic transformation in BALB/3T3 cells.},
  year = {2008},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/17694516/},
}
PubMed: 17694516

Cited By (24 papers)

Quick Questions About This Study

No, a 2008 study found that 2.1425 GHz radiation from mobile phone base stations did not cause cancerous changes in mouse cells. Even at high exposure levels of 800 mW/kg over six weeks, the radiation showed no evidence of promoting tumor formation in laboratory conditions.
Research shows that cell tower radiation at 800 mW/kg does not transform normal cells into cancer cells. The 2008 study exposed BALB/3T3 mouse cells to this level for six weeks and found no significant differences in transformation rates compared to unexposed control cells.
Yes, mobile base station RF exposure appears safe regarding cellular transformation. The Hirose study demonstrated that radiofrequency radiation from base stations does not induce the cellular changes that lead to tumor formation, even at exposure levels much higher than typical environmental exposure.
Cells can be exposed to 2.1425 GHz radiation for at least six weeks without increased cancer risk, according to laboratory research. The study found no evidence that this duration of base station frequency exposure promotes malignant transformation in mouse cells.
Base station radiation up to 800 mW/kg SAR appears safe for cells based on transformation studies. This research found no increased cancer cell formation at this exposure level, which is significantly higher than typical environmental exposure from mobile phone base stations.