Effects of static magnetic fields on bone formation in rat osteoblast cultures

Y. Yamamoto, Y. Ohsaki, T. Goto, A. Nakasima, T. Iijima

研究成果: Contribution to journalArticle査読

120 被引用数 (Scopus)

抄録

Although the promotional effects on osteoblasts of pulsed electromagnetic fields have been well-demonstrated, the effects of static magnetic fields (SMF) remain unclear; nevertheless, magnets have been clinically used as a 'force source' in various orthodontic treatments. We undertook the present investigation to study the effects of SMF on osteoblastic differentiation, proliferation, and bone nodule formation using a rat calvaria cell culture. During a 20-day culture, the values of the total area and the number and average size of bone nodules showed high levels in the presence of SMF. In the matrix development and mineralization stages, the calcium content in the matrix and two markers of osteoblastic phenotype (alkaline phosphatase and osteocalcin) also showed a significant increase. Accordingly, these findings suggest that SMF stimulates bone formation by promoting osteoblastic differentiation and/or activation.

本文言語英語
ページ(範囲)962-966
ページ数5
ジャーナルJournal of Dental Research
82
12
DOI
出版ステータス出版済み - 12 2003

All Science Journal Classification (ASJC) codes

  • 歯科学(全般)

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