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Comparative analysis of the protective effects of melatonin and caffeic acid phenethyl ester (CAPE) on mobile phone-induced renal impairment in rat.

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Ozguner F, Oktem F, Armagan A, Yilmaz R, Koyu A, Demirel R, Vural H, Uz E. · 2005

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Mobile phone radiation damaged rat kidneys through oxidative stress, but natural antioxidants like melatonin provided significant protection against this cellular damage.

Plain English Summary

Summary written for general audiences

Turkish researchers exposed rats to 900 MHz mobile phone radiation and found it caused kidney damage by increasing harmful molecules and reducing protective antioxidants. However, when rats were pre-treated with melatonin or CAPE (a natural compound from propolis), both substances protected against this kidney damage, with melatonin showing stronger protective effects. This suggests that mobile phone radiation can harm kidney tissue through oxidative stress, but natural antioxidants may offer protection.

Why This Matters

This study adds to growing evidence that mobile phone radiation affects organs beyond the brain, demonstrating measurable kidney damage in laboratory animals. The 900 MHz frequency used here falls within the range of standard cell phone communications, making these findings directly relevant to everyday exposure. What makes this research particularly significant is that it identifies a clear biological mechanism - oxidative stress - by which RF radiation damages tissue, and shows that this damage can be prevented with antioxidant intervention. The reality is that while your kidneys aren't pressed against your phone like your brain, they're still exposed to RF fields when you carry your device on your body. The protective effects of melatonin observed here align with other studies showing this hormone's ability to counteract RF-induced cellular damage, though you should consult healthcare providers before considering supplementation.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 900 MHz

Study Details

The present study was carried out to compare the protective effects of melatonin and CAPE against 900 MHz EMR emitted mobile phone-induced renal tubular injury.

Melatonin was administered whereas CAPE was given for 10 days before the exposure. Urinary N-acetyl-...

Urinary NAG and renal MDA were increased in EMR exposed rats while both melatonin and CAPE caused a ...

In conclusion, melatonin and CAPE prevent renal tubular injury by reducing oxidative stress and protect the kidney from oxidative damage induced by 900 MHz mobile phone. Nevertheless, melatonin seems to be a more potent antioxidant compared with CAPE in kidney.

Cite This Study
Ozguner F, Oktem F, Armagan A, Yilmaz R, Koyu A, Demirel R, Vural H, Uz E. (2005). Comparative analysis of the protective effects of melatonin and caffeic acid phenethyl ester (CAPE) on mobile phone-induced renal impairment in rat. Mol Cell Biochem. 276(1-2):31-37, 2005.
Show BibTeX
@article{f_2005_comparative_analysis_of_the_1691,
  author = {Ozguner F and Oktem F and Armagan A and Yilmaz R and Koyu A and Demirel R and Vural H and Uz E.},
  title = {Comparative analysis of the protective effects of melatonin and caffeic acid phenethyl ester (CAPE) on mobile phone-induced renal impairment in rat.},
  year = {2005},
  doi = {10.1007/s11010-005-2734-8},
  url = {https://link.springer.com/article/10.1007/s11010-005-2734-8},
}
DOI: 10.1007/s11010-005-2734-8

Cited By (72 papers)

View all 72 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, Turkish researchers found that 900 MHz mobile phone radiation caused kidney damage in rats by increasing harmful molecules and reducing protective antioxidants. The radiation specifically increased kidney tissue damage markers and decreased the kidney's natural antioxidant defenses, indicating oxidative stress-induced injury.
Yes, melatonin provided strong protection against 900 MHz mobile phone radiation damage to kidneys. In this Turkish study, melatonin significantly reduced kidney damage markers and restored protective antioxidant enzyme levels, proving more effective than CAPE (caffeic acid phenethyl ester) at preventing radiation-induced kidney injury.
CAPE (caffeic acid phenethyl ester) is a natural compound from propolis that showed protective effects against 900 MHz mobile phone radiation in kidneys. While CAPE reduced some radiation damage markers, it was less effective than melatonin at restoring the kidney's antioxidant defense systems.
900 MHz mobile phone radiation damages kidney cells through oxidative stress by increasing harmful molecules like MDA and NAG while decreasing protective antioxidant enzymes SOD and GSH-Px. This imbalance creates cellular damage in kidney tissue, specifically affecting the tubular structures responsible for filtering waste.
Melatonin works better than CAPE against phone radiation kidney damage. In this 2005 Turkish study, melatonin more effectively reduced damage markers and restored antioxidant enzyme activities compared to CAPE, making it the superior protective agent against 900 MHz mobile phone radiation effects.