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DNA & Genetic Damage

Human fibroblasts and 900 MHz radiofrequency radiation: evaluation of DNA damage after exposure and co-exposure to 3-Chloro-4-(dichloromethyl)-5-Hydroxy-2(5h)-furanone (MX).

No Effects Found

Sannino A, Di Costanzo G, Brescia F, Sarti M, Zeni O, Juutilainen J, Scarfì MR. · 2009

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Human skin cells showed no DNA damage from 24-hour exposure to cell phone-level radiation at 1 W/kg.

Plain English Summary

Summary written for general audiences

Researchers exposed human skin cells to 900 MHz radiofrequency radiation (similar to cell phone signals) for 24 hours at 1 W/kg to test for DNA damage. They found no genetic damage from the RF exposure alone, even when testing cells from people with Turner's syndrome who may be more sensitive. The radiation also didn't make cells more vulnerable to damage from a known water contaminant.

Why This Matters

This study adds to the mixed body of research on RF radiation and DNA damage, finding no effects at exposure levels equivalent to holding a cell phone directly against your body. The 1 W/kg SAR level tested is at the upper limit of what phones are allowed to emit, making these findings relevant to real-world exposure scenarios. What makes this research particularly interesting is the inclusion of Turner's syndrome cells, which have known genetic vulnerabilities that might make them more susceptible to radiation damage. The fact that even these potentially sensitive cells showed no increased DNA damage suggests a degree of cellular resilience to RF exposure at these levels. However, this single study doesn't settle the broader question of long-term genetic effects from chronic RF exposure, especially given that other research has found DNA damage under different conditions.

Exposure Details

SAR
1 W/kg
Source/Device
900 MHz.
Exposure Duration
24 hours

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 range (Building Biology)FCC limit is 2 times 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 aim of this study was to investigate DNA damage in human dermal fibroblasts from a healthy subject and from a subject affected by Turner's syndrome that were exposed for 24 h to radiofrequency (RF) radiation at 900 MHz.

The RF-radiation exposure was carried out alone or in combination with 3-chloro-4-(dichloromethyl)-5...

The results revealed no genotoxic and cytotoxic effects from RF radiation alone in either cell line....

Cite This Study
Sannino A, Di Costanzo G, Brescia F, Sarti M, Zeni O, Juutilainen J, Scarfì MR. (2009). Human fibroblasts and 900 MHz radiofrequency radiation: evaluation of DNA damage after exposure and co-exposure to 3-Chloro-4-(dichloromethyl)-5-Hydroxy-2(5h)-furanone (MX). Radiat Res 171:743-751, 2009.
Show BibTeX
@article{a_2009_human_fibroblasts_and_900_2928,
  author = {Sannino A and Di Costanzo G and Brescia F and Sarti M and Zeni O and Juutilainen J and Scarfì MR.},
  title = {Human fibroblasts and 900 MHz radiofrequency radiation: evaluation of DNA damage after exposure and co-exposure to 3-Chloro-4-(dichloromethyl)-5-Hydroxy-2(5h)-furanone (MX).},
  year = {2009},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/19580481/},
}
PubMed: 19580481

Cited By (29 papers)

Quick Questions About This Study

No, a 2009 study found no DNA damage in human skin cells exposed to 900 MHz radiofrequency radiation for 24 hours at 1 W/kg. The research tested both normal cells and cells from people with Turner's syndrome, finding no genetic damage from the RF exposure alone.
No, 900 MHz radiation doesn't increase cellular vulnerability to chemical damage. When researchers exposed human skin cells to both RF radiation and MX (a water contaminant), the radiation didn't enhance the DNA damage caused by the chemical toxin.
This 2009 study found no increased sensitivity in Turner's syndrome cells exposed to 900 MHz radiation. Despite testing cells from this potentially vulnerable population alongside normal cells, researchers observed no DNA damage from 24-hour RF exposure at 1 W/kg.
Human skin cells showed no DNA damage after 24 hours of continuous 900 MHz radiation exposure at 1 W/kg. The 2009 research found no genetic or cellular toxicity effects from this extended RF exposure in laboratory conditions.
Researchers tested 900 MHz radiation at 1 W/kg SAR (specific absorption rate) for 24 hours and found no DNA damage in human skin cells. This power level represents typical cell phone exposure levels used in laboratory safety studies.