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Is mobile phone radiation genotoxic? An analysis of micronucleus frequency in exfoliated buccal cells

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Publication Date
2017
ICR Author
Mendes de Oliveira, Flavia
Type
Journal Article
Metadata
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Abstract
Electromagnetic fields (EMF) are classified as "possibly carcinogenic" by the International Agency for Research on Cancer (IARC). Some publications have reported associations between EMF exposure and DNA damage, but many other studies contradict such findings. Cytomorphological changes, such as micronuclei (MN), indicative of genomic damage, are biomarkers of genotoxicity. To test whether mobile phone-associated EMF exposure affects the MN frequency in exfoliated buccal cells, we obtained cells smears from the left and right inner cheeks of healthy mobile phone users, aged 18-30 (n = 86), who also completed a characterization survey. MN frequencies were tested for potential confounding factors and for duration of phone use and preferential side of mobile phone use. No relationship was observed between MN frequency and duration of mobile phone use in daily calls. Cells ipsilateral to mobile phone use did not present a statistically significantly higher MN frequency, compared to cells contralateral to exposure. A highly statistically significant (p < 0.0001) increase in MN frequency was found in subjects reporting regular exposure to genotoxic agents. Therefore, our results suggest that mobile phone-associated EMF do not to induce MN formation in buccal cells at the observed exposure levels.
URL
https://repository.icr.ac.uk/handle/internal/1955
Collections
  • Cancer Therapeutics
  • Clinical Studies
Subject
Electromagnetic fields Mobile phones Genotoxicity Micronuclei Exfoliated buccal cells Feulgen stain radiofrequency electromagnetic-fields in-vitro magnetic-fields cytome assay childhood leukemia nuclear anomalies dna-damage peripheral-blood scoring criteria telephone use Biotechnology & Applied Microbiology Genetics & Heredity Toxicology
Research team
Cancer Biomarkers
License start date
2017
Citation
MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS, 2017, 822 pp. 41 - 46

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