Abstract
In a number of clinical studies (1–3) the usefulness of induced electromagnetic fields in stimulating healing of chronic fracture non-unions has been demonstrated. These fields stimulate a number of activities including the synthesis of new matrix by osteoblasts (4), transcription of genetic information by bone cells (5) and other processes associated with fracture healing. In addition, DC voltage applied to bones by invasive techniques has been reported to stimulate both localized osteolysis (in areas near the anode), and localized osteogenesis (in areas near the cathode), presumably by alteration of the activity of endogenous bone forming and/or bone resorbing cells (6). Externally induced electromagnetic fields used for treatment of fractures produce tissue current densities of less than 1 microampere/cm2 and associated electric gradients of about 1 mV/cm (2). As yet there is limited understanding of the possible mechanisms by which fields of this low magnitude (relative to tissue transmembrane potentials and cellular impedances) could bring about such significant changes in the activity of bone cells in situ.
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© 1984 Plenum Press, New York
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Luben, R.A., Cain, C.D. (1984). Use of Bone Cell Hormone Response Systems to Investigate Bioelectromagnetic Effects on Membranes in Vitro . In: Adey, W.R., Lawrence, A.F. (eds) Nonlinear Electrodynamics in Biological Systems. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-2789-9_2
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DOI: https://doi.org/10.1007/978-1-4613-2789-9_2
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