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DNA & Genetic Damage

Age-related effects on induction of DNA strand breaks by intermittent exposure to electromagnetic fields

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Authors not listed · 2003

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Fibroblasts from older donors showed a stronger DNA strand break response to intermittent ELF-EMF exposure than those from younger donors.

Plain English Summary

Summary written for general audiences

Researchers exposed cultured fibroblasts from six healthy donors of different ages to intermittent ELF-EMF at 50 Hz and 1 mT for 1 to 24 hours. Basal DNA strand break levels correlated with donor age. The maximum DNA strand break response occurred at 15 to 19 hours of exposure. This response was more pronounced in cells from older donors, suggesting an age-related decrease in DNA repair efficiency.

Why This Matters

The study was motivated by earlier research showing that DNA repair efficiency declines with age, raising the question of whether aging increases susceptibility to DNA damage from environmental exposures. The researchers exposed cultured fibroblasts from six healthy donors of different ages to intermittent ELF-EMF at 50 Hz and 1 mT for 1 to 24 hours to test this question.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 50 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 50 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2003). Age-related effects on induction of DNA strand breaks by intermittent exposure to electromagnetic fields.
Show BibTeX
@article{age_related_effects_on_induction_of_dna_strand_breaks_by_intermittent_exposure_to_electromagnetic_fields_ce1498,
  author = {Unknown},
  title = {Age-related effects on induction of DNA strand breaks by intermittent exposure to electromagnetic fields},
  year = {2003},
  doi = {10.1016/S0047-6374(03)00125-8},
  
}
DOI: 10.1016/S0047-6374(03)00125-8PubMed: 12875748

Quick Questions About This Study

The study used cultured fibroblasts from six healthy donors of different ages exposed to intermittent ELF-EMF at 50 Hz and 1 mT for 1 to 24 hours.
Basal DNA strand break levels correlated with donor age, and the maximum response at 15 to 19 hours of exposure was more pronounced in cells from older donors.
The stronger response in older donors' cells could point to an age-related decrease in DNA repair efficiency for ELF-EMF induced DNA strand breaks.
The maximum DNA strand break response occurred at 15 to 19 hours of exposure.
Earlier studies indicating a decline of DNA repair efficiency with age raised the question of whether senescence leads to higher susceptibility to DNA damage from environmental exposures.