Differentiation of osteoprogenitor cells is induced by high-frequency pulsed electromagnetic fields.
Teven CM, Greives M, Natale RB, Su Y, Luo Q, He BC, Shenaq D, He TC, Reid RR · 2012
View Original AbstractHigh-frequency electromagnetic fields at 27.1 MHz successfully triggered bone formation in stem cells, demonstrating EMF can activate complex biological processes.
Plain English Summary
University of Chicago researchers exposed bone-forming stem cells to high-frequency electromagnetic fields at 27.1 MHz using an FDA-approved device called ActiPatch. They found that this exposure significantly increased the cells' ability to form bone tissue, triggering multiple markers of bone development without affecting cell growth rates. This suggests electromagnetic field therapy could potentially help repair bone defects in patients who lack sufficient natural bone tissue for reconstruction.
Why This Matters
This study represents an important finding in the therapeutic applications of electromagnetic fields, specifically demonstrating that radiofrequency EMF at 27.1 MHz can stimulate beneficial biological processes. The frequency used here falls within the radiofrequency range that overlaps with some consumer devices, though the specific exposure parameters weren't fully detailed in this research. What makes this particularly noteworthy is that it shows EMF can trigger complex cellular programming - the researchers observed increased production of bone morphogenetic proteins and other signaling molecules that guide stem cells to become bone cells. This adds to a growing body of evidence that electromagnetic fields can have profound biological effects at the cellular level, effects that occur through specific molecular pathways rather than simple heating. The research underscores that EMF bioeffects are real and measurable, operating through well-defined biological mechanisms that we're only beginning to understand.
Exposure Information
Specific exposure levels were not quantified in this study. The study examined exposure from: 27.1 MHz
Study Details
Craniofacial defect repair is often limited by a finite supply of available autologous tissue (ie, bone) and less than ideal alternatives. Therefore, other methods to produce bony healing must be explored. Several studies have demonstrated that low-frequency pulsed electromagnetic field (PEMF) stimulation (ie, 5-30 Hz) of osteoblasts enhances bone formation. The current study was designed to investigate whether a Food and Drug Administration-approved, high-frequency PEMF-emitting device is capable of inducing osteogenic differentiation of osteoprogenitor cells.
Osteoprogenitor cells (commercially available C3H10T1/2 and mouse calvarial) in complete Dulbecco mo...
High-frequency PEMF stimulation increases alkaline phosphatase activity in both cell lines. In addit...
Our findings suggest that high-frequency PEMF stimulation of osteoprogenitor cells may be explored as an effective tissue engineering strategy to treat critical-size osseous defects of the craniofacial and axial skeleton.
Show BibTeX
@article{cm_2012_differentiation_of_osteoprogenitor_cells_2618,
author = {Teven CM and Greives M and Natale RB and Su Y and Luo Q and He BC and Shenaq D and He TC and Reid RR},
title = {Differentiation of osteoprogenitor cells is induced by high-frequency pulsed electromagnetic fields.},
year = {2012},
url = {https://pubmed.ncbi.nlm.nih.gov/22446422/},
}