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DNA & Genetic Damage

Micronucleus frequency in buccal mucosa cells of mobile phone users.

No Effects Found

Hintzsche H, Stopper H. · 2010

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Mobile phone use up to 3+ hours weekly showed no detectable DNA damage in mouth cells, though modern usage far exceeds these levels.

Plain English Summary

Summary written for general audiences

Researchers examined cells from the inside of the mouth (buccal mucosa) in 131 people to see if mobile phone use causes DNA damage by looking for micronuclei, which are fragments that indicate genetic harm. They compared non-users, light users (3 hours per week or less), and heavier users (more than 3 hours weekly) and found no significant increase in DNA damage markers. This suggests that typical mobile phone use may not cause detectable genetic damage in mouth cells.

Study Details

This study investigated the effect of mobile phone use on genomic instability of the human oral cavity's mucosa cells.

131 Individuals donated buccal mucosa cells extracted by slightly scraping the oral cavity with a co...

13 Individuals did not use mobile phones at all, 85 reported using the mobile phone for three hours ...

Mobile phone use did not lead to a significantly increased frequency of micronuclei.

Cite This Study
Hintzsche H, Stopper H. (2010). Micronucleus frequency in buccal mucosa cells of mobile phone users. Toxicol Lett. 193(1):124-130, 2010.
Show BibTeX
@article{h_2010_micronucleus_frequency_in_buccal_3083,
  author = {Hintzsche H and Stopper H.},
  title = {Micronucleus frequency in buccal mucosa cells of mobile phone users.},
  year = {2010},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/20036721/},
}
PubMed: 20036721

Cited By (50 papers)

Quick Questions About This Study

A 2010 study examining buccal mucosa cells from 131 mobile phone users found no significant increase in micronuclei, which are markers of DNA damage. Researchers compared non-users with light users (3 hours weekly) and heavier users, finding no detectable genetic damage in mouth cells from typical mobile phone use.
Research analyzing 131 people found no DNA damage differences between light users (3 hours per week or less) and heavier users (more than 3 hours weekly). The study examined 2,000 mouth cells per person and detected no significant increase in genetic damage markers across usage levels.
Micronuclei are DNA fragments that indicate genetic damage in cells. A 2010 study examining mouth cells from mobile phone users found no significant increase in micronuclei frequency, suggesting typical phone use doesn't cause detectable genetic harm to buccal mucosa tissue.
Yes, researchers can examine buccal mucosa cells from inside your mouth for DNA damage markers. A 2010 study used this method on 131 people, analyzing 2,000 cells per individual with specialized staining techniques, but found no significant genetic damage from mobile phone use.
A study comparing 33 heavy users (over 3 hours weekly) with 85 light users (3 hours or less) found no significant difference in DNA damage markers. Researchers examined mouth cells for micronuclei and other genetic damage indicators but detected no increased harm from heavier phone use.