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DNA & Genetic Damage

Measurement of DNA damage and apoptosis in molt-4 cells after in vitro exposure to radiofrequency radiation.

No Effects Found

Hook GJ, Zhang P, Lagroye I, Li L, Higashikubo R, Moros EG, Straube WL, Pickard WF, Baty JD, Roti Roti JL. · 2004

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Cell phone radiation showed no DNA damage or cell death in immune cells at exposure levels higher than current phone limits.

Plain English Summary

Summary written for general audiences

Researchers exposed immune system cells (Molt-4 T lymphoblastoid cells) to cell phone radiation at various frequencies for up to 24 hours to test whether it causes DNA damage or triggers cell death. They found no statistically significant DNA damage or cell death compared to unexposed cells across all tested frequencies and modulation types. This suggests that cell phone radiation at these exposure levels may not directly harm cellular DNA or kill immune cells in laboratory conditions.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 835.6 MHz - 847.7 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 835.6 MHz - 847.7 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: 847.74 MHz (CDMA), 835.62 MHz (FDMA) Duration: up to 24 h

Study Details

To determine whether exposure to radiofrequency (RF) radiation can induce DNA damage or apoptosis

Molt-4 T lymphoblastoid cells were exposed with RF fields at frequencies and modulations of the type...

No statistically significant difference in the level of DNA damage or apoptosis was observed between...

Our results show that exposure of Molt-4 cells to CDMA, FDMA, iDEN or TDMA modulated RF radiation does not induce alterations in level of DNA damage or induce apoptosis.

Cite This Study
Hook GJ, Zhang P, Lagroye I, Li L, Higashikubo R, Moros EG, Straube WL, Pickard WF, Baty JD, Roti Roti JL. (2004). Measurement of DNA damage and apoptosis in molt-4 cells after in vitro exposure to radiofrequency radiation. Radiat Res. 161(2): 193-200, 2004.
Show BibTeX
@article{gj_2004_measurement_of_dna_damage_2911,
  author = {Hook GJ and Zhang P and Lagroye I and Li L and Higashikubo R and Moros EG and Straube WL and Pickard WF and Baty JD and Roti Roti JL.},
  title = {Measurement of DNA damage and apoptosis in molt-4 cells after in vitro exposure to radiofrequency radiation.},
  year = {2004},
  
  url = {https://meridian.allenpress.com/radiation-research/article-abstract/161/2/193/41932/Measurement-of-DNA-Damage-and-Apoptosis-in-Molt-4},
}

Quick Questions About This Study

A 2004 study found that 847 MHz CDMA radiation did not kill immune cells or cause significant cell death. Researchers exposed Molt-4 T lymphoblastoid cells to various cell phone frequencies for up to 24 hours and observed no statistically significant increase in apoptosis compared to unexposed cells.
Laboratory testing showed that 835 MHz FDMA signals did not damage DNA in immune cells. The 2004 study exposed Molt-4 cells to multiple cell phone frequencies and modulation types but found no statistically significant DNA damage compared to control cells across all exposure conditions.
Research indicates TDMA cell phone radiation is not harmful to T lymphoblastoid cells. A controlled laboratory study exposed Molt-4 immune cells to TDMA modulated radiofrequency radiation for various durations and found no significant DNA damage or cell death compared to unexposed cells.
Studies show iDEN frequencies do not cause genetic damage in immune system cells. Researchers tested iDEN modulated radiofrequency radiation on Molt-4 T lymphoblastoid cells and found no statistically significant alterations in DNA damage levels compared to control cells after exposures up to 24 hours.
Immune cells can survive cell phone radiation exposure for at least 24 hours without significant harm. The 2004 study exposed Molt-4 T lymphoblastoid cells to various cell phone frequencies for up to 24 hours and found no increase in cell death or DNA damage.