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Updated: Aug 30, 2026

Electric and Magnetic Field Devices for Stimulation of Biological Tissues
Published on: May 15, 2021
Effects of 0.2 T static magnetic field on human skin fibroblasts
Stefania Pacini1, Massimo Gulisano, Benedetta Peruzzi
1Department of Human Anatomy, Histology and Forensic Medicine, University of Firenze, viale Morgagni 85, 50134, Firenze, Italy.
Abstract:
Human skin fibroblasts were exposed to 0.2 T static magnetic field generated by a magnetic resonance tomograph. After 1h exposure, cell morphology was modified in association with a concomitant decrease in the expression of some sugar residues of glycoconjugates. Study of cell proliferation and mitogenic signal transduction showed a decrease of thymidine incorporation and of second messenger formation. However, cell viability, assessed by colony forming assay, was unaffected. These results demonstrate that the static magnetic field generated by routinely used magnetic resonance tomograph induces alterations on human skin fibroblasts.
Insights
Exposure to static magnetic fields from MRI scanners alters human skin fibroblast morphology and function. While cell viability remains unaffected, key cellular processes like proliferation and signal transduction are impacted.
Area of Science:
- Biophysics
- Cell Biology
- Medical Imaging
Background:
- Magnetic Resonance Imaging (MRI) is a widely used diagnostic tool.
- The biological effects of static magnetic fields (SMFs) used in MRI are not fully understood.
- Understanding cellular responses to SMFs is crucial for safety and potential therapeutic applications.
Purpose of the Study:
- To investigate the effects of a 0.2 T static magnetic field on human skin fibroblasts.
- To assess changes in cell morphology, glycoconjugate expression, proliferation, and signal transduction.
- To determine the impact of SMF exposure on fibroblast viability.
Main Methods:
- Human skin fibroblasts were exposed to a 0.2 T static magnetic field.
- Cell morphology and sugar residues of glycoconjugates were analyzed.
- Cell proliferation was measured via thymidine incorporation.
- Mitogenic signal transduction and second messenger formation were studied.
- Cell viability was assessed using a colony forming assay.
Main Results:
- Exposure to the 0.2 T SMF induced modifications in fibroblast cell morphology.
- A decrease in the expression of specific sugar residues in glycoconjugates was observed.
- Thymidine incorporation and second messenger formation, indicative of proliferation and signal transduction, were reduced.
- Cell viability, however, remained unaffected by the SMF exposure.
Conclusions:
- Static magnetic fields generated by MRI scanners can induce significant alterations in human skin fibroblasts.
- These alterations affect cellular morphology and biochemical processes, including proliferation and signal transduction.
- The findings suggest a need for further investigation into the long-term biological impacts of MRI-generated SMFs.
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