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Research of Exacerbation Factor Cot/ tpl2 as Molecular Target of Periodontitis Treatment

Research Project

Project/Area Number 25462895
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Functional basic dentistry
Research InstitutionKagoshima University

Principal Investigator

Kakimoto Kyoko  鹿児島大学, 歯学部, 助教 (40274849)

Co-Investigator(Kenkyū-buntansha) 松口 徹也  鹿児島大学, 医歯学域歯学系, 教授 (10303629)
大西 智和  鹿児島大学, 医歯学域歯学系, 准教授 (30244247)
坂東 健二郎  明海大学, 歯学部, 講師 (50347093)
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
KeywordsCot/Tpl2 / 歯周病 / シグナル分子 / LPS / 増悪因子 / 発現調節 / MAP3K / NF-kB / マウスモデル / DUSP16 / JNK / expression / periodontitis / mouse model / IL-12p40 / MCPIP-1 / 3'-UTR / mRNA stability
Outline of Final Research Achievements

MAP3K8/Cot/Tpl2 is serine/threonine kinase and signaling molecule which controls cytokines production in antigen presenting cells (APC). We previously reported that mouse model of periodontitis using WT mice and Cot/Tpl2 knockout mice. It showed that alveolar bone absorption of KO mice is lower than WT mice. It suggests the difference of sensitivity to LPS in both mice. LPS induced mRNA expression of Cot/Tpl2 in 2h and decreased slowly. mRNA expression was inhibited by NF-kB inhibitor MG-132. Promoter assay suggested that -230~-50 promoter region containing three NF-kB binding sites is important for LPS-induced Cot/Tpl2 mRNA expression. In conclusion, Cot/Tpl2 mRNA expression is induced through NF-kB signal pathway.

Academic Significance and Societal Importance of the Research Achievements

歯周病の治療薬は多くの研究がなされているが、いまだ決定的なものはない。我々は以前歯周病マウスモデルを、細胞内シグナル分子、Cot/Tpl2(MAP3K)のノックアウトマウスで作成し、Cot/Tpl2が歯周病増悪因子であることを明らかにした。今回の研究ではLPS(歯周病菌体成分)の刺激により、リン酸化によりシグナルを伝達するCot/Tpl2が、それ自身の発現量を増大することを明らかにした。Cot/Tpl2のの増大が生じる細胞や、歯周病に与える影響を調べることで、Cot/Tpl2をターゲットとした歯周病治療薬、歯周病予防薬などの開発の突破口を開くものと期待される。

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (10 results)

All 2015 2014 2013

All Journal Article (6 results) (of which Peer Reviewed: 6 results,  Acknowledgement Compliant: 3 results,  Open Access: 2 results) Presentation (4 results)

  • [Journal Article] Low Intensity Pulsed Ultrasound (LIPUS) Helps to Maintain the Undifferentiated Status of Mesenchymal Stem Cells.2015

    • Author(s)
      Kusuyama J, Seong CH, Bandow K, Kakimoto K, Ohnishi T, Matsuguchi T.
    • Journal Title

      J Orthop Trauma.

      Volume: 29(5) Issue: 5 Pages: S2-S2

    • DOI

      10.1097/01.bot.0000462953.87235.74

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Induction of CXCL2 and CCL2 by pressure force requires IL-1β-MyD88 axis in osteoblasts.2015

    • Author(s)
      Maeda A, Bandow K, Kusuyama J, Kakimoto K, Ohnishi T, Miyawaki S, Matsuguchi T.
    • Journal Title

      Bone.

      Volume: 74 Pages: 76-82

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] AMP-activated protein kinase (AMPK) activity negatively regulates chondrogenic differentiation.2014

    • Author(s)
      Bandow K, Kusuyama J, Kakimoto K, Ohnishi T, Matsuguchi T.
    • Journal Title

      Bone.

      Volume: 2015 Pages: 125-33

    • DOI

      10.1016/j.bone.2014.12.001

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Low Intensity Pulsed Ultrasound (LIPUS) Influences the Multilineage Differentiation of Mesenchymal Stem and Progenitor Cell Lines through ROCK-Cot/Tp12-MEK-ERK Signaling Pathway2014

    • Author(s)
      Kusuyama J, Bandow K, Shamoto M, Kakimoto K, Ohnishi T, Matsuguchi T
    • Journal Title

      the Journal of Biological Chemistry

      Volume: 289 Issue: 15 Pages: 10330-10344

    • DOI

      10.1074/jbc.m113.546382

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Long-Time Treatment by Low-Dose N-Acetyl-L-Cysteine Enllanoes Proinflammatory Cytokine Expressions in LPS-Stimulated Maerophages2014

    • Author(s)
      Ohnishi T, Bandow K, Kakimoto K, Kusuyama J, Matsuguchi T
    • Journal Title

      PLos One

      Volume: 9 Issue: 2 Pages: 10330-44

    • DOI

      10.1371/journal.pone.0087229

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Low-intensity pulsed ultrasound (LIPUS) inhibits LPS-induced inflammatory responses of osteoblasts through TLR4-MyD88 dissociation2014

    • Author(s)
      Nakao J, Fujii Y, Kusuyama J, Bandow K, Kakimoto K, Ohnishi T, Matsuguchi T
    • Journal Title

      Bone

      Volume: 58 Pages: 17-25

    • DOI

      10.1016/j.bone.2013.09.018

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] 骨芽細胞分化によるATP産生経路の呼吸鎖から解糖系への移行   Switch of metabolic pathway for ATP production from respiratory chain to glycolysis during osteoblast differentiation2015

    • Author(s)
      ○大西智和、楠山譲二、坂東健二郎、柿元協子、松口徹也
    • Organizer
      BMB2015(第38回日本分子生物学会年会、第88回日本生化学会大会 合同大会)
    • Place of Presentation
      神戸ポートアイランド(神戸ポートピアホテル 神戸国際会議場 神戸国際展示場 神戸商工会議所)(兵庫県神戸市)
    • Year and Date
      2015-12-01
    • Related Report
      2015 Annual Research Report
  • [Presentation] MAP3K8/Cot/Tpl2 signaling molecule is degraded by LPS stimulation, and recovered by induction of mRNA expression through NF-κB signal pathway in macrophages2015

    • Author(s)
      ○Kyoko Kakimoto ,Joji Kusuyama,Kenjirow Bandow,Tomokazu Ohnishi,Tetsuya Matsuguchi
    • Organizer
      第57回歯科基礎医学会学術大会
    • Place of Presentation
      朱鷺メッセ(新潟コンベンションセンター)(新潟県新潟市)
    • Year and Date
      2015-09-11
    • Related Report
      2015 Annual Research Report
  • [Presentation] Functional analysis of TLR7-mediated immune-regulatory responses in epithelial cells2015

    • Author(s)
      ○Tetsuya Matsuguchi,Joji Kusuyama,Kyoko Kakimoto,Tomokazu Ohnishi,Tetsuya Matsuguchi
    • Organizer
      第57回歯科基礎医学会学術大会
    • Place of Presentation
      朱鷺メッセ(新潟コンベンションセンター)(新潟県新潟市)
    • Year and Date
      2015-09-11
    • Related Report
      2015 Annual Research Report
  • [Presentation] LPS induced IL-12p40mRNA is regulated by MCPIP-1 ribonuclease expression through Cot/Tpl2-MEK-ERK axix in macrophages2013

    • Author(s)
      Kyoko Kakimoto, Kenjiro Bandow, Joji Kusuyama, Mitsuhiro Hisadome, Tomokazu Ohnishi, Tetsuya Matsuguchi
    • Organizer
      第86回日本生化学会
    • Place of Presentation
      神奈川県
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2021-03-11  

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