Neuroprotective effect of weak static magnetic fields in primary neuronal cultures
Ben Yakir-Blumkin M, Loboda Y, Schächter L, Finberg JP · 2014
View Original AbstractWeak static magnetic fields at 50 Gauss protected brain cells from damage by 57%, suggesting some EMF exposures may be beneficial rather than harmful.
Plain English Summary
Researchers exposed brain cells from rats to weak static magnetic fields (50 Gauss) for seven days and found the fields dramatically protected neurons from programmed cell death. The magnetic field exposure reduced cell death by 57% and significantly decreased multiple markers of cellular damage. This suggests that certain magnetic field exposures might actually protect brain cells rather than harm them.
Why This Matters
This study presents an intriguing counterpoint to concerns about magnetic field exposure, showing that weak static magnetic fields can actually protect brain cells from damage. The 50 Gauss exposure level is roughly 1,000 times stronger than Earth's magnetic field but still within ranges found near some household appliances and medical devices. What makes this research particularly significant is the robust protective effect - a 57% reduction in cell death is substantial by any measure. The researchers identified the specific cellular mechanism involved (calcium channels), which adds credibility to their findings. However, we should interpret these results cautiously. This was a laboratory study using isolated brain cells, not living animals or humans. The protective effect was measured against a specific toxin (etoposide), so we can't assume the same benefits would apply to other types of brain damage or normal aging processes.
Exposure Information
Specific exposure levels were not quantified in this study. The study examined exposure from: SMF (50 G) Duration: 7 Days
Study Details
In this study, we examine the effect of SMFs on neuronal survival in primary cortical and hippocampal neurons that constitute a suitable experimental system for modeling the neurodegenerative state in vitro.
We show that weak SMF exposure interferes with the apoptotic programing in rat primary cortical and ...
Primary cortical neurons exposed to SMF (50 G) for 7 days exhibited a 57.1 ± 6.3% decrease in the pe...
These findings show the potential susceptibility of the CNS to weak SMF exposure and have implications for the design of novel strategies for the treatment and/or prevention of neurodegenerative diseases.
Show BibTeX
@article{m_2014_neuroprotective_effect_of_weak_1553,
author = {Ben Yakir-Blumkin M and Loboda Y and Schächter L and Finberg JP},
title = {Neuroprotective effect of weak static magnetic fields in primary neuronal cultures},
year = {2014},
url = {https://www.sciencedirect.com/science/article/abs/pii/S0306452214007064},
}