Oxidative Stress and NADPH Oxidase: Connecting Electromagnetic Fields, Cation Channels and Biological Effects

Authors: Christos D Georgiou, Lukas H Margaritis

Year: 2021 Sep 17

Category: Molecular Science

Journal: Int J Mol Sci

DOI: 10.3390/ijms221810041

URL: https://www.mdpi.com/1422-0067/22/18/10041

Abstract

Overview

Electromagnetic fields (EMFs) significantly influence cellular function by disrupting electrochemical balances, primarily within biological membranes. This disruption facilitates abnormal cation movements and compromises membrane voltage-gated ion channels, triggering oxidative stress (OS) and impairing essential cellular processes such as DNA integrity.

Findings

  • Focus on electromagnetic field (EMF)-sensitized NADPH oxidase (NOX) as a generator of oxidative stress.
  • Detailed analysis of the biochemical pathways involved in oxidative stress due to EMF exposure and their biological impacts.
  • Induces increased formation of reactive oxygen species (ROS), linked to membrane and voltage-gated cation channel malfunction.
  • Subsequent stress activations may lead to several physiological and behavioral changes, including disruption of the blood-brain barrier, memory issues, gene expression alterations, and more severe outcomes like autophagy, apoptosis, lifespan reduction, DNA damage, and potential carcinogenesis.

Conclusion

Extensive evidence suggests a strong connection between EMF exposure and increased health risks, including DNA damage and cancer, primarily through oxidative stress and reactive oxygen species mechanisms. Further research is strongly recommended to conclusively link EMFs with carcinogenic outcomes.

Theory and Research Perspectives for a Conclusive Linking of EMFs with ROS/RNS

The position held by ICNIRP on electromagnetic fields, citing that they are generally non-ionizing and don't break covalent bonds at non-thermal intensities, is subject to controversy due to evidence supporting the generation of free radicals at macroscopic levels when conditions synchronize. Despite conventional challenges, enhanced mechanisms of EMF interaction with molecular structures suggest strong potential for health impacts that requires urgent and thorough investigation.

← Back to Stats