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Oxidative Stress

Effects of melatonin on Wi-Fi-induced oxidative stress in lens of rats.

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Tök L, Nazıroğlu M, Doğan S, Kahya MC, Tök O. · 2014

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Wi-Fi exposure slightly increased lens lipid peroxidation and lowered glutathione peroxidase activity, while melatonin supplementation reduced lipid peroxidation and raised glutathione peroxidase and reduced glutathione levels.

Plain English Summary

Summary written for general audiences

Thirty-two rats were randomly assigned to four groups, with one group exposed to Wi-Fi at 2.45 GHz for 60 minutes daily over 30 days and another group receiving melatonin during the same exposure. Lipid peroxidation was slightly higher in the Wi-Fi group than in controls, and glutathione peroxidase activity was significantly lower in the Wi-Fi group. Melatonin supplementation significantly decreased lipid peroxidation and increased both glutathione peroxidase activity and reduced glutathione levels compared with the Wi-Fi group.

Why This Matters

The authors noted that one hour of Wi-Fi exposure produced only poor oxidative toxic effects on the lens. They also suggested that melatonin supplementation has protective effects on the oxidant system by modulating glutathione peroxidase activity.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.45 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.45 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 2.45 GHz Duration: 60 min/day for 30 days

Study Details

The present study was designed to determine the effects of Wi-Fi exposure on the lens oxidant, antioxidant redox systems, as well as the possible protective effects of melatonin on the lens injury induced by electromagnetic radiation (EMR).

Thirty-two rats were used in the current study and they were randomly divided into four equal groups...

Lipid peroxidation levels in the lens were slightly higher in third (Wi-Fi) group than in cage and s...

There are poor oxidative toxic effects of one hour of Wi-Fi exposure on the lens in the animals. However, melatonin supplementation in the lens seems to have protective effects on the oxidant system by modulation of GSH-Px activity.

Cite This Study
Tök L, Nazıroğlu M, Doğan S, Kahya MC, Tök O. (2014). Effects of melatonin on Wi-Fi-induced oxidative stress in lens of rats. Indian J Ophthalmol. 62(1):12-15, 2014. doi: 10.4103/0301-4738.126166.
Show BibTeX
@article{l_2014_effects_of_melatonin_on_1711,
  author = {Tök L and Nazıroğlu M and Doğan S and Kahya MC and Tök O.},
  title = {Effects of melatonin on Wi-Fi-induced oxidative stress in lens of rats.},
  year = {2014},
  
  url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3955064/},
}

Quick Questions About This Study

Rats were exposed to Wi-Fi at 2.45 GHz for 60 minutes per day for 30 days.
Lipid peroxidation levels were slightly higher in the Wi-Fi group than in cage and sham controls.
Melatonin significantly decreased lipid peroxidation and increased glutathione peroxidase activity and reduced glutathione levels compared with the Wi-Fi group.
The authors reported poor oxidative toxic effects from one hour of Wi-Fi exposure and suggested melatonin has protective effects on the oxidant system by modulating glutathione peroxidase activity.