8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body

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

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. · 2013

View Original Abstract
Share:

RF radiation at cell phone-level intensities caused DNA damage in older juvenile rats but not younger ones, suggesting age-dependent vulnerability.

Plain English Summary

Summary written for general audiences

Brazilian researchers exposed young rats to 950 MHz radiofrequency radiation (similar to older cell phone frequencies) for 30 minutes daily from birth through 30 days of age. While the study found no oxidative stress or DNA damage in most age groups, 30-day-old rats showed genetic damage in liver cells, and newborns had altered fatty acid levels and reduced antioxidant enzyme production.

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: Radiation exposure lasted 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. (2013). 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. 2013 Jul 25.
Show BibTeX
@article{ov_2013_effect_of_950_mhz_3030,
  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 = {2013},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/23789976/},
}
PubMed: 23789976

Cited By (25 papers)

Quick Questions About This Study

Brazilian researchers found that 950 MHz radiation exposure caused genetic damage in 30-day-old rat liver cells and altered fatty acid levels in newborns. However, the study found no oxidative stress or DNA damage in younger rats aged 6-15 days.
A 2013 study exposing young rats to 950 MHz radiation for 30 minutes daily from birth showed age-dependent effects. Newborns had altered fatty acids and reduced antioxidant enzymes, while 30-day-old rats developed liver cell genetic damage.
Research on 950 MHz radiation shows mixed results depending on age. While most young rats showed no liver damage, 30-day-old animals developed genetic damage in liver cells, suggesting developmental timing affects EMF sensitivity in this frequency range.
A study on newborn rats exposed to 950 MHz radiation found reduced catalase enzyme expression, indicating weakened antioxidant defenses. The research suggests very young animals may be more vulnerable to certain EMF effects than older juveniles.
Newborn rats exposed to 950 MHz radiation showed altered polyunsaturated fatty acid concentrations and low TBARS levels in their livers. These metabolic changes occurred only in the youngest animals, not in older juvenile rats.