Electromagnetic Field Toxicology Reporter

Evaluation and Assessment of Extremely Low Frequency EMF Bioeffects
Volume 3, Number 2, June 2001

Mechanistic Studies

by Robert B. Goldberg, Ph.D., Editor

Summary

Studies with chicken embryos suggest that 60-Hz EMF exposure can prevent damage produced by hypoxia, but the effects require specific conditions of exposure. Differences in the response depending on how the field is oriented suggest it depends on the electric rather than the magnetic field component, and there is also a time requirement for an effective exposure that is similar to the temporal requirements for enhanced expression of ornithine decarboxylase in murine L929 fibroblasts. A research group at Stony Brook demonstrated the requirement for functional gap-junctional coupling for a cellular response to induced electric fields in an osteosarcoma cell line. Researchers at Athens University presented a plausible theoretical model to explain how low-level EMFs may exert significant biological effects based on coherent oscillations of ions in the extracellular environment next to the membrane, while a Russian scientist presented an alternative theoretical interference mechanism based on the quantum states of ions within protein cavities of transmembrane proteins.

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