Exposure to Static and Extremely-Low Frequency Electromagnetic Fields and Cellular Free Radicals

Received 17 Apr 2019, Accepted 04 Aug 2019, Published online: 26 Aug 2019
by Henry Lai
https://www.tandfonline.com/doi/abs/10.1080/15368378.2019.1656645?journalCode=iebm20

Repairing one of the mile-long antenna wires that span the valley, which here is lowered to the ground for access. 

(ELF transmitter wire, added by CiC)

ABSTRACT
This paper summarizes studies on changes in cellular free radical activities from exposure to static and extremely-low frequency (ELF) electromagnetic fields (EMF), particularly magnetic fields.

 Changes in free radical activities, including levels of cellular reactive oxygen (ROS)/nitrogen (RNS) species and endogenous antioxidant enzymes and compounds that maintain physiological free radical concentrations in cells, is one of the most consistent effects of EMF exposure. 

These changes have been reported to affect many physiological functions such as DNA damage; immune response; inflammatory response; cell proliferation and differentiation; wound healing; neural electrical activities; and behavior. 

An important consideration is the effects of EMF-induced changes in free radicals on cell proliferation and differentiation. These cellular processes could affect cancer development and proper growth and development in organisms. On the other hand, they could cause selective killing of cancer cells, for instance, via the generation of the highly cytotoxic hydroxyl free radical by the Fenton Reaction. This provides a possibility of using these electromagnetic fields as a non-invasive and low side-effect cancer therapy. 

Static- and ELF-EMF probably play important roles in the evolution of living organisms. They are cues used in many critical survival functions, such as foraging, migration, and reproduction. Living organisms can detect and respond immediately to low environmental levels of these fields.

 Free radical processes are involved in some of these mechanisms. At this time, there is no credible hypothesis or mechanism that can adequately explain all the observed effects of static- and ELF-EMF on free radical processes. We are actually at the impasse that there are more questions than answers.

KEYWORDS: Static and extremely-low frequency electromagnetic fields, free radicals, Fenton reaction, cell proliferation, evolution

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