PMID: 9170389May 1, 1997Paper

Electromagnetic fields can affect osteogenesis by increasing the rate of differentiation

Clinical Orthopaedics and Related Research
P S LandryJ A Albright

Abstract

Electromagnetic fields of various kinds can alter osteogenesis in animals with osteotomies and patients with nonunions, but the underlying cellular mechanisms are unknown. The aims of this study were to determine whether I gauss at 60 Hz affected periosteal proliferation and differentiation in either the normal rat tibia or 1 to 14 days after a surgically induced defect. In the injured rats, using histologic study, autoradiography, and morphometry, it was found that exposure for 1 or 3 days had no effect on proliferation but that it produced an increase in osteoblasts 3 days after the injury. Proliferation and differentiation were unaffected by exposure in the absence of injury. The results suggest that the primary effect of the fields was to promote differentiation but not proliferation. Because fields can stimulate proliferation of osteoblastlike cells in vitro, the results of this study may indicate the presence of an in vivo factor that antagonizes the tendency of fields to increase mitotic activity.

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Citations

Feb 4, 2006·Clinical Orthopaedics and Related Research·Haw-Ming HuangChing-Ying Yeh
Sep 22, 2006·Connective Tissue Research·Kyle ChangChung Shih
Nov 25, 2003·Journal of Dental Research·Y YamamotoT Iijima
Nov 12, 2009·Gynecological Endocrinology : the Official Journal of the International Society of Gynecological Endocrinology·Veysi AkpolatMehmet Sirac Ozerdem
Nov 23, 2011·The Journal of Oral Implantology·Guhan DerginEmre Benlidayi
May 15, 2013·The Journal of Veterinary Medical Science·Yasuji HaradaNaohide Tomita
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Dec 17, 2008·Journal of Orthodontics·Minako SakataAkihiko Nakasima
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Mar 26, 2019·Bioelectromagnetics·Carlo GalliStefano Guizzardi
Sep 12, 2009·Annals of the New York Academy of Sciences·Daniel Brown
Dec 17, 2002·Journal of Biomedical Materials Research. Part a·Paola TorricelliR Giardino
May 9, 2001·Biochimica Et Biophysica Acta·H WiesmannU Joos

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