On the mechanism of the cell cycle control of suspension-cultured tobacco cells after exposure to static magnetic field.
Mohammadi F, Ghanati F, Sharifi M, Chashmi NA · 2018
View Original AbstractStatic magnetic fields at 0.2 millitesla disrupted normal cell division by triggering oxidative stress and altering key regulatory proteins.
Plain English Summary
Researchers exposed tobacco plant cells to weak static magnetic fields (0.2 millitesla) for 24 hours and found the magnetic field disrupted the cells' normal cycle of growth and division. The exposure triggered a cascade of cellular stress responses, including increased production of reactive molecules and changes in key proteins that control when cells divide. This demonstrates that even relatively weak magnetic fields can interfere with fundamental cellular processes.
Why This Matters
This study adds important evidence to our understanding of how magnetic fields affect living cells at the molecular level. The 0.2 millitesla exposure used here is roughly equivalent to what you might encounter very close to some household appliances or electrical equipment, though it's stronger than typical ambient levels. What makes this research particularly significant is that it identifies specific biochemical pathways through which magnetic fields disrupt normal cellular function. The researchers found that magnetic field exposure triggered oxidative stress and altered the expression of genes that control cell division - fundamental processes that, when disrupted in human cells, could potentially contribute to various health problems. While this study used plant cells, the cellular mechanisms involved are remarkably similar across different types of living organisms, making these findings relevant to understanding potential human health effects.
Exposure Details
- Magnetic Field
- 0.2 mG
- Exposure Duration
- 24 h
Exposure Context
This study used 0.2 mG for magnetic fields:
- 10Kx above the Building Biology guideline of 0.2 mG
- 2Kx above the BioInitiative Report recommendation of 1 mG
Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.
Where This Falls on the Concern Scale
Study Details
To study on the mechanism of the cell cycle control of suspension-cultured tobacco cells after exposure to static magnetic field
Suspension of cultured tobacco cells (Nicotiana tabacum cv. Barley 21) were synchronized via sucrose...
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Show BibTeX
@article{f_2018_on_the_mechanism_of_428,
author = {Mohammadi F and Ghanati F and Sharifi M and Chashmi NA},
title = {On the mechanism of the cell cycle control of suspension-cultured tobacco cells after exposure to static magnetic field.},
year = {2018},
url = {https://www.sciencedirect.com/science/article/abs/pii/S0168945218306113},
}