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2011 Fiscal Year Final Research Report

Correlation between the expression of chemokines and alveolar bone resorption using hyperocclusion model mice

Research Project

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Project/Area Number 21791927
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Prosthetic dentistry
Research InstitutionFukuoka College of Health Sciences (2010-2011)
Fukuoka Dental College (2009)

Principal Investigator

GOTO-T Kazuko  福岡医療短期大学, 歯科衛生学科, 准教授 (60389418)

Project Period (FY) 2009 – 2011
Keywordsケモカイン / 咬合性外傷 / メカニカルストレス / CCL2 / CCL3 / CCL5 / 歯槽骨吸収 / 破骨細胞
Research Abstract

Excessive mechanical stress(MS) during hyperocclusion is known to result in disappearance of the alveolar hard line, enlargement of the periodontal ligament(PDL) space, and destruction of alveolar bone, leading to occlusal traumatism. We hypothesized that MS induces expression of osteoclastogenesis-associated chemokines in PDL tissue, resulting in chemotaxis and osteoclastogenesis during occlusal traumatism. We examined the effect of MS on relationships between chemokine expression and osteoclastogenesis using in vivo and in vitro hyperocclusion models. Using an in vitro model, intermittent stretching-induced MS was shown to upregulate the expression of CC chemokine ligand(CCL) 2, CCL3 and CCL5 in PDL cells. The expression levels of CCL2 in PDL tissues, its receptor CCR2 in preosteoclasts, and tartrate-resistant acid phosphatase-positive cells in alveolar bone were significantly upregulated 4.7 days after excessive MS during hyperocclusion in in vivo rodent models. Hyperocclusion predominantly induced CCL2 expression in PDL tissues and promoted chemotaxis and osteoclastogenesis, leading to MS-dependent alveolar bone destruction during occlusal traumatism.

  • Research Products

    (4 results)

All 2011 2010 2009

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (2 results)

  • [Journal Article] Hyperocclusion stimulated osteoclastogenesis via CCL2 expression2011

    • Author(s)
      Goto-T K, Kajiya H, Nemoto T, Tsutumi T, Tsuzuki T, Sato H, Okabe K
    • Journal Title

      J Dent Res

      Volume: 90 Pages: 793-798

    • Peer Reviewed
  • [Journal Article] RANKL-induced TRPV2 expression regulates osteoclastogenesis via calcium oscillations2010

    • Author(s)
      Kajiya H, Okamoto F, Nemoto T, Kimachi K, Goto-T K, Nakayana S, Okabe K
    • Journal Title

      Cell Calcium

      Volume: 48 Pages: 260-269

    • Peer Reviewed
  • [Presentation] Hyper-occlusion Stimulated Osteoclast Recruitment Through Chemokines Expression2010

    • Author(s)
      後藤加寿子
    • Organizer
      第33回アメリカ骨代謝学会(ASBMR)
    • Place of Presentation
      カナダ(トロント)
    • Year and Date
      2010-10-17
  • [Presentation] 咬合性外傷モデルにおける歯槽骨吸収とケモカインの動態2009

    • Author(s)
      後藤加寿子
    • Organizer
      第27回日本骨代謝学会学術集会
    • Place of Presentation
      大阪国際会議場
    • Year and Date
      2009-07-24

URL: 

Published: 2013-07-31  

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