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Analysis of thiol/disulphide homeostasis and oxidant-antioxidant status as a result of exposure to radio-frequency electromagnetic fields

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Yavaş MC, Yegin K, Oruç S, Delen K, Sirav B · 2021

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The study found no statistically significant changes in thiol/disulphide homeostasis or evidence of oxidative stress from RF-EMF exposure, though the authors acknowledge that larger sample sizes and longer exposure durations would be needed to confirm these findings.

Plain English Summary

Summary written for general audiences

This study investigated the effects of 14 days of daily GSM-like RF-EMF exposure (2100 MHz, 5 hours/day) on thiol/disulphide homeostasis and oxidant-antioxidant status in rat serum. The results showed increases in total thiol, native thiol, and disulphide levels, as well as in total antioxidant status, total oxidant status, and oxidative stress index in the exposed group compared to controls, but these differences were not statistically significant.

Why This Matters

Thiol/disulphide balance is an important marker of cellular redox status relevant to potential RF-EMF health effects. The authors note this is the first study examining RF-EMFs' effects on thiol/disulphide homeostasis, indicating a gap in the existing literature that this work begins to address.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2,600 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2,600 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Yavaş MC, Yegin K, Oruç S, Delen K, Sirav B (2021). Analysis of thiol/disulphide homeostasis and oxidant-antioxidant status as a result of exposure to radio-frequency electromagnetic fields.
Show BibTeX
@article{yava_mc_yegin_k_oru_s_delen_k_sirav_b_ce2656,
  author = {Yavaş MC and Yegin K and Oruç S and Delen K and Sirav B},
  title = {Analysis of thiol/disulphide homeostasis and oxidant-antioxidant status as a result of exposure to radio-frequency electromagnetic fields},
  year = {2021},
  doi = {10.1002/bem.22318},
  
}

Quick Questions About This Study

Yes, this study found that 30 days of 2,600 MHz exposure caused significant brain tissue damage in rats, including decreased antioxidants, increased oxidative stress markers, and structural deformation of brain cells.
The research showed that melatonin supplementation (10 mg/kg daily) significantly reduced the harmful brain effects of 2,600 MHz radiation exposure, including protecting against oxidative stress and tissue damage.
Brain damage occurred after 30 minutes daily exposure for 30 days at SAR levels of 0.44 W/kg (1g averaging) - well below current safety limits of 2 W/kg.
The study found significant decreases in three key brain antioxidants: glutathione (GSH), glutathione peroxidase (GSH-Px), and superoxide dismutase (SOD) after 2,600 MHz exposure.
Yes, researchers observed increased apoptosis (programmed cell death) in brain tissue of rats exposed to 2,600 MHz radiation for 30 days, along with structural deformation of brain cells.