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Extremely low-frequency electromagnetic field (ELF-EMF) induces alterations in epigenetic regulation in the myometrium - An in vitro study

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Franczak A, Drzewiecka EM, Kozlowska W, Zmijewska A, Wydorski PJ · 2023

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The authors propose that short-term exposure to 50 Hz ELF-EMFs may have potential as a treatment strategy for gynecological and urological cancer cells based on observed ROS elevation and alterations in DNA damage response markers.

Plain English Summary

Summary written for general audiences

This in vitro study examined the effects of 50 Hz extremely low-frequency electromagnetic fields (ELF-EMFs) at 1.3 mT on three cancer cell lines (HeLa, ES-2, and DU-145) for 15-30 minutes. The researchers found that ELF-EMF exposure increased reactive oxygen species (ROS) levels and altered expression of genes and proteins involved in DNA damage response and epigenetic modifications, with the most notable changes in ES-2 ovarian cancer cells and DU-145 prostate cancer cells after 30-minute exposure.

Why This Matters

This is a mechanistic in vitro study examining cellular-level responses to ELF-EMF exposure. The findings relate to how electromagnetic fields might influence cancer cell biology through oxidative stress and epigenetic pathways, though in vitro results require further validation in vivo before clinical applications can be considered.

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
Franczak A, Drzewiecka EM, Kozlowska W, Zmijewska A, Wydorski PJ (2023). Extremely low-frequency electromagnetic field (ELF-EMF) induces alterations in epigenetic regulation in the myometrium - An in vitro study.
Show BibTeX
@article{franczak_a_drzewiecka_em_kozlowska_w_zmijewska_a_wydorski_pj_ce4031,
  author = {Franczak A and Drzewiecka EM and Kozlowska W and Zmijewska A and Wydorski PJ},
  title = {Extremely low-frequency electromagnetic field (ELF-EMF) induces alterations in epigenetic regulation in the myometrium - An in vitro study},
  year = {2023},
  doi = {10.1071/RD22266},
  
}
DOI: 10.1071/RD22266PubMed: 41751769

Quick Questions About This Study

Yes, this study found that 2 hours of 50 Hz EMF exposure altered DNA methylation patterns in multiple genes in endometrial tissue. These epigenetic changes could potentially affect gene expression during the critical implantation period when embryos attach to the uterine wall.
The study found methylation changes in 7 out of 10 genes tested. EGR2, ID2, and PTGER4 showed increased methylation, while IL1RAP and NOS3 showed decreased methylation. HSD17B2, MRAP2, SERPINE1, VDR and ZFP57 were unchanged.
DNA methylation changes occurred after just 2 hours of 50 Hz EMF exposure in this study. This surprisingly short timeframe suggests that even brief exposures to power line frequency electromagnetic fields may trigger molecular changes in reproductive tissue.
Pigs are considered excellent models for human reproductive biology because their endometrial structure and implantation processes closely mirror those in humans. The DNA methylation mechanisms studied are highly conserved across mammalian species, making these findings relevant to human health.
The researchers conclude that EMF-induced methylation changes may affect gene expression profiles and disturb physiological processes during implantation and embryo development. DNA methylation directly controls which genes are turned on or off during these critical reproductive processes.