Adaptive Response Induced by Pre-Exposure to 915 MHz Radiofrequency: A Possible Role for Antioxidant Enzyme Activity.
Mortazavi SMJ, Mostafavi-Pour Z, Daneshmand M, Zal F, Zare R, Mosleh-Shirazi MA. · 2017
View Original AbstractLow-power 915 MHz radiation triggered protective antioxidant responses in rat liver cells, but higher powers eliminated this protection.
Plain English Summary
Iranian researchers exposed rats to 915 MHz radiofrequency radiation (similar to microwave ovens) for 4 hours daily over one week, then tested whether this 'primed' their liver cells to better handle a subsequent dose of gamma radiation. They found that low-power RF exposure increased antioxidant enzymes like glutathione, which helped protect liver tissue from oxidative damage when the rats were later exposed to harmful gamma radiation.
Why This Matters
This study reveals a fascinating biological phenomenon called adaptive response, where cells essentially 'learn' to defend themselves better after mild stress exposure. The research demonstrates that radiofrequency radiation at 915 MHz can trigger protective antioxidant mechanisms in liver tissue, but here's the crucial detail: this protective effect only occurred at low power levels. At medium and high power levels, the protective response diminished or disappeared entirely. This finding aligns with a growing body of research showing that EMF effects are not simply linear - more exposure doesn't necessarily mean more effect. The study also highlights how our cellular defense systems can be both activated and overwhelmed by electromagnetic fields, depending on the exposure intensity. What this means for you is that the biological effects of RF radiation are complex and dose-dependent, challenging the industry narrative that 'more power just means more heating.'
Exposure Information
Specific exposure levels were not quantified in this study. The study examined exposure from: 915 MHz Duration: 4 hours per day for one week
Study Details
This study aimed to assess whether radiofrequency radiation can induce adaptive response by changing the antioxidant balance.
In order to assess RF-induced adaptive response in tissues, we evaluated the level of GSH and the ac...
Our finding showed that pre-exposure to 915 MHz radiofrequency radiation with specific power could i...
It can be concluded that pre-exposure to microwave radiation could increase the level of GSH and the activity of GR enzyme, although these increases were seen just in low power group, and the GR activity was indicated in medium power group. This increase protects tissue from oxidative damage induced by sublethal dose of gamma radiation.
Show BibTeX
@article{smj_2017_adaptive_response_induced_by_2443,
author = {Mortazavi SMJ and Mostafavi-Pour Z and Daneshmand M and Zal F and Zare R and Mosleh-Shirazi MA. },
title = {Adaptive Response Induced by Pre-Exposure to 915 MHz Radiofrequency: A Possible Role for Antioxidant Enzyme Activity.},
year = {2017},
url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5447250/},
}