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Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

DNA & Genetic Damage

The effect of exposure to radiofrequency LTE signal and coexposure to mitomycin-C in Chinese hamster lung fibroblast V79 cells

No Effects Found

Authors not listed · 2024

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4G LTE frequency radiation showed no direct cellular harm and may provide limited protection against chemical damage.

Plain English Summary

Summary written for general audiences

Researchers exposed Chinese hamster lung cells to 1950 MHz LTE signals (the same frequency used in 4G networks) at power levels similar to cell phone radiation. The radiofrequency exposure alone caused no cellular damage, but surprisingly appeared to provide some protection when cells were later treated with a toxic chemical.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1950 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1950 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale
Cite This Study
Unknown (2024). The effect of exposure to radiofrequency LTE signal and coexposure to mitomycin-C in Chinese hamster lung fibroblast V79 cells.
Show BibTeX
@article{the_effect_of_exposure_to_radiofrequency_lte_signal_and_coexposure_to_mitomycin_c_in_chinese_hamster_lung_fibroblast_v79_cells_ce2580,
  author = {Unknown},
  title = {The effect of exposure to radiofrequency LTE signal and coexposure to mitomycin-C in Chinese hamster lung fibroblast V79 cells},
  year = {2024},
  doi = {10.1002/bem.22478},
  
}
DOI: 10.1002/bem.22478PubMed: 37493434

Quick Questions About This Study

No, the study found no chromosomal damage, oxidative stress, or cell cycle disruption in Chinese hamster lung cells exposed to 1950 MHz LTE signals at power levels of 0.3 or 1.25 W/kg.
Yes, 20-hour pre-exposure at 1.25 W/kg significantly reduced cellular damage from mitomycin-C, a toxic chemical. However, this protective effect required prolonged exposure at relatively high power levels.
The researchers tested two specific absorption rates: 0.3 W/kg and 1.25 W/kg. These levels bracket typical cell phone SAR values, with 1.25 W/kg approaching regulatory limits.
No, 3-hour pre-exposure to 1950 MHz LTE signals did not modify the cellular damage caused by subsequent mitomycin-C treatment, regardless of the power level used.
Both modulated LTE signals and continuous wave (CW) signals showed similar results, with no direct cellular effects and comparable protective effects against chemical damage at higher power levels.