Low Frequency Electromagnetic Fields Might Increase the Effect of Enamel Matrix Derivative on Periodontal Tissues
2021
Stefano Guizzardi | Giuseppe Pedrazzi | Carlo Galli
Periodontal regeneration is a complex goal, which is commonly pursued with a combination of surgical techniques, biomaterials, and bioactive compounds. One such compound is enamel matrix derivative (EMD), a medical substance that is extracted from porcine tooth germs and which contains several protein fractions with BMP- and TGF-β-like action. Activation of TGF-β signaling is required for EMD activity on cells and tissues, and a growing body of evidence indicates that EMD largely relies on this pathway. As low frequency electromagnetic fields (EMFs) have long been investigated as a tool to promote bone formation and osteoblast activity, and because recent studies have reported that the effects of EMFs on cells require primary cilia, by modulating the presence of membrane-bound receptors (e.g., for BMP) or signal mediators, it can be hypothesized that the application of EMFs may increase cell sensitivity to EMD: as TGFBR receptors have also been identified on primary cilia, EMFs could make cells more responsive to EMD by inducing the display of a higher number of receptors on the cellular membrane.
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