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Mutagenic and morphologic impacts of 1.8GHz radiofrequency radiation on human peripheral blood lymphocytes (hPBLs) and possible protective role of pre-treatment with Ginkgo biloba (EGb 761).

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Esmekaya MA, Aytekin E, Ozgur E, Güler G, Ergun MA, Omeroğlu S, Seyhan N. · 2011

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Cell phone radiation damaged human DNA and destroyed cellular structures in laboratory tests, but Ginkgo biloba extract provided significant protection.

Plain English Summary

Summary written for general audiences

Turkish researchers exposed human blood cells to 1.8GHz cell phone radiation for up to 48 hours and found significant genetic damage, including broken chromosomes and destroyed cell structures. However, when cells were pre-treated with Ginkgo biloba extract, much of this damage was prevented. The study suggests that cell phone radiation can harm our DNA, but natural antioxidants might offer some protection.

Why This Matters

This research adds to the mounting evidence that radiofrequency radiation at levels used by mobile phones can cause direct genetic damage to human cells. The 1.8GHz frequency tested here is identical to what GSM cell phones use, making these findings directly relevant to everyday exposure. What makes this study particularly compelling is the dose-response relationship - longer exposures caused progressively more severe damage, from chromosomal breaks at 6-8 hours to complete cellular destruction at 48 hours. The protective effect of Ginkgo biloba is intriguing, suggesting that antioxidants may help mitigate RF-induced cellular stress. While we can't extrapolate directly from laboratory cell cultures to human health outcomes, this study reinforces concerns about chronic low-level exposure from devices we use daily. The reality is that our cells are experiencing similar radiation exposures, though typically at lower intensities over much longer periods.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1.80 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1.80 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 1.8GHz Duration: 6, 8, 24 and 48h with and without EGb 761

Study Details

The mutagenic and morphologic effects of 1.8GHz Global System for Mobile Communications (GSM) modulated RF (radiofrequency) radiation alone and in combination with Ginkgo biloba (EGb 761) pre-treatment in human peripheral blood lymphocytes (hPBLs) were investigated in this study using Sister Chromatid Exchange (SCE) and electron microscopy.

Cell viability was assessed with 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT...

We observed morphological changes in pulse-modulated RF radiated lymphocytes. Longer exposure period...

We concluded that RF radiation induces chromosomal damage in hPBLs but this damage may be reduced by EGb 761 pre-treatment.

Cite This Study
Esmekaya MA, Aytekin E, Ozgur E, Güler G, Ergun MA, Omeroğlu S, Seyhan N. (2011). Mutagenic and morphologic impacts of 1.8GHz radiofrequency radiation on human peripheral blood lymphocytes (hPBLs) and possible protective role of pre-treatment with Ginkgo biloba (EGb 761). Sci Total Environ. 410-411:59-64, 2011.
Show BibTeX
@article{ma_2011_mutagenic_and_morphologic_impacts_2068,
  author = {Esmekaya MA and Aytekin E and Ozgur E and Güler G and Ergun MA and Omeroğlu S and Seyhan N.},
  title = {Mutagenic and morphologic impacts of 1.8GHz radiofrequency radiation on human peripheral blood lymphocytes (hPBLs) and possible protective role of pre-treatment with Ginkgo biloba (EGb 761).},
  year = {2011},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/22014767/},
}
PubMed: 22014767

Cited By (37 papers)

Quick Questions About This Study

Yes, Ginkgo biloba extract (EGb 761) significantly protected human blood cells from 1.8GHz radiation damage. Turkish researchers found that pre-treating lymphocytes with the extract prevented much of the chromosomal damage and maintained better cell viability compared to cells exposed to radiation alone.
Human lymphocytes showed progressive damage from 1.8GHz radiation over time, with significant effects starting at 8 hours. By 48 hours of exposure, researchers observed severe cellular destruction including broken chromosomes, destroyed organelles, and compromised cell membranes in the blood cells.
Yes, 1.8GHz radiation significantly increased chromosome breaks in human peripheral blood lymphocytes. The study found elevated sister chromatid exchanges (SCE), a marker of genetic damage, in cells exposed to this cell phone frequency compared to unexposed control cells.
1.8GHz radiation caused extensive cellular damage including chromatin changes, mitochondrial destruction, cytoplasmic breakdown, and compromised cell membrane integrity. Longer exposures led to complete destruction of cellular organelles and nucleus structures in human blood lymphocytes.
Yes, 1.8GHz radiation significantly reduced lymphocyte viability in a time-dependent manner. The study showed that longer exposure periods caused marked inhibition of blood cell growth and proliferation, with the most severe effects occurring after extended radiation exposure.