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DNA & Genetic Damage

Effect of 950 MHz UHF electromagnetic radiation on biomarkers of oxidative damage, metabolism of UFA and antioxidants in the livers of young rats of different ages

No Effects Found

Furtado-Filho OV, Borba JB, Dallegrave A, Pizzolato TM, Henriques JA, Moreira JC, Saffi J. · 2014

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Young rats showed minimal damage from cell phone-level radiation exposure, but subtle metabolic changes suggest developing organisms aren't completely unaffected.

Plain English Summary

Summary written for general audiences

Brazilian researchers exposed young rats to cell phone-level radiation (950 MHz) for 30 minutes daily, starting before birth and continuing up to 30 days after birth. They found no evidence of oxidative stress or DNA damage in most age groups, though 30-day-old rats showed some genetic changes and newborns had altered fatty acid levels in their livers. The study suggests that developing animals may be more resilient to short-term RF radiation exposure than previously thought.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 950 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 950 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: 950 MHz Duration: Half an hour per day for up to 51 days (21 days of gestation and 6, 15 or 30 days of life outside the womb)

Study Details

To assess the effect of 950 MHz ultra-high-frequency electromagnetic radiation (UHF EMR) on biomarkers of oxidative damage, as well as to verify the concentration of unsaturated fatty acids (UFA) and the expression of the catalase in the livers of rats of different ages

Twelve rats were equally divided into two groups as controls (CR) and exposed (ER), for each age (0,...

The neonates had low levels of TBARS and concentrations of UFA after exposure. There was no age diff...

950 MHz UHF EMR does not cause oxidative stress (OS), and it is not genotoxic to the livers of neonates or those of 6 and 15 day old rats, but it changes the concentrations of polyunsaturated fatty acid (PUFA) in neonates. For rats of 30 days, no OS, but it is genotoxic to the livers of ER to total body irradiation.

Cite This Study
Furtado-Filho OV, Borba JB, Dallegrave A, Pizzolato TM, Henriques JA, Moreira JC, Saffi J. (2014). Effect of 950 MHz UHF electromagnetic radiation on biomarkers of oxidative damage, metabolism of UFA and antioxidants in the livers of young rats of different ages Int J Radiat Biol. 90(2):159-168, 2014.
Show BibTeX
@article{ov_2014_effect_of_950_mhz_2873,
  author = {Furtado-Filho OV and Borba JB and Dallegrave A and Pizzolato TM and Henriques JA and Moreira JC and Saffi J.},
  title = {Effect of 950 MHz UHF electromagnetic radiation on biomarkers of oxidative damage, metabolism of UFA and antioxidants in the livers of young rats of different ages},
  year = {2014},
  doi = {10.3109/09553002.2013.817697},
  url = {https://www.tandfonline.com/doi/abs/10.3109/09553002.2013.817697},
}
DOI: 10.3109/09553002.2013.817697

Cited By (25 papers)

Quick Questions About This Study

Brazilian researchers found that 950 MHz radiation exposure (30 minutes daily from birth to 30 days) caused no oxidative stress or liver damage in most young rats. However, newborns showed altered fatty acid levels and 30-day-old rats had some genetic changes in liver cells.
A 2014 study found that 950 MHz radiation didn't cause DNA damage or oxidative stress in newborn rat livers. The exposure did alter fatty acid concentrations and reduced catalase enzyme expression, but researchers concluded no significant harmful effects occurred in neonates.
Research on rats exposed to 950 MHz radiation before birth and up to 30 days after showed no liver oxidative stress or DNA damage in most age groups. Only 30-day-old rats exhibited genetic changes, suggesting developing animals may be more resilient than expected.
Daily 30-minute exposures to 950 MHz radiation caused no DNA damage in rat livers at birth, 6 days, or 15 days old. However, 30-day-old rats did show genetic changes, indicating age-dependent sensitivity to radiofrequency radiation effects.
Young rats exposed to 950 MHz radiation showed no increase in oxidative stress markers or protein damage across all age groups tested. Newborns had reduced catalase enzyme expression and altered fatty acid levels, but overall antioxidant systems remained intact.