6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.

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

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

Share:

The LTE signal alone produced no detectable chromosomal damage, oxidative stress, or cell cycle changes, yet a 20-hour pre-exposure at 1.25 W/kg significantly reduced mitomycin-C-induced micronuclei and ROS formation.

Plain English Summary

Summary written for general audiences

Researchers exposed Chinese hamster lung fibroblast V79 cells to a 1950 MHz LTE signal at SAR values of 0.3 and 1.25 W/kg. Exposure to the LTE signal alone did not cause any measurable chromosomal damage, oxidative stress, or changes in cell cycle progression. A 20-hour pre-exposure at 1.25 W/kg before mitomycin-C treatment significantly reduced micronuclei, and ROS formation was significantly decreased at both SAR levels. Shorter pre-exposures, lower SAR, or continuous wave exposure did not alter mitomycin-C-induced micronuclei.

Why This Matters

The study aimed to examine whether a 1950 MHz LTE signal alone or combined with a cytotoxic drug could cause chromosomal damage, oxidative stress, or cell cycle alterations. The authors concluded that the LTE signal showed no direct effects and that pre-exposure could protect against later toxic damage, highlighting the importance of signal modulation and experimental conditions.

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

Specific exposure levels were not quantified in this study.

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},
  
}

Quick Questions About This Study

Chinese hamster lung fibroblast V79 cells were exposed in a waveguide-based system at SAR values of 0.3 and 1.25 W/kg.
No differences were detected between exposed and sham-control cells for any endpoint after LTE exposure alone.
A 20-hour pre-exposure at 1.25 W/kg significantly reduced micronuclei, while a 3-hour pre-exposure or a 0.3 W/kg pre-exposure did not modify micronuclei.
MMC-induced ROS formation was significantly decreased at both SAR levels after coexposure.
No effects were observed with continuous wave exposure at either SAR level.