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Analysis of spatio-temporal controlling mechanism in cartilage development by small G protein Rac1

Research Project

Project/Area Number 16K20426
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Functional basic dentistry
Research InstitutionShowa University

Principal Investigator

Suzuki Dai  昭和大学, 歯学部, 講師 (00585797)

Research Collaborator SUZAWA Tetsuo  昭和大学, 歯学部, 講師 (60271285)
UYAMA Risa  昭和大学, 歯学部, 講師 (40307054)
SAITO Emi  昭和大学, 医学部, 大学院生
MANOME Yoko  昭和大学, 歯学部, 大学院生
Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2017: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
KeywordsRac1 / 軟骨細胞 / 未分化間葉系細胞 / コンディショナルノックアウトマウス / 歯学 / 細胞・組織 / 遺伝子
Outline of Final Research Achievements

Rac1, a member of the small Rho GTPase family, has multiple cellular roles, while studies that used mice conditionally lacking Rac1 in cartilage or limb mesenchyme have revealed its essential involvement in cartilage development. However, cartilage- and limb mesenchyme-specific Rac1 conditional knockout mice show different types of abnormal cartilage formation. The novel results of the present study suggest that the expression patterns of Cre recombinases, tissue-specific target gene knockout, and slight differences in intracellular signaling may cause differences in cartilage morphological abnormalities.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • Research Products

    (8 results)

All 2017 2016

All Journal Article (6 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 6 results,  Open Access: 5 results,  Acknowledgement Compliant: 3 results) Presentation (2 results)

  • [Journal Article] Rac1 Dosage Is Crucial for Normal Endochondral Bone Growth2017

    • Author(s)
      Suzuki Dai、Bush Jason R、Bryce Dawn-Marie、Kamijo Ryutaro、Beier Frank
    • Journal Title

      Endocrinology

      Volume: 158 Issue: 10 Pages: 3386-3398

    • DOI

      10.1210/en.2016-1691

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Down-regulation of Irf8 by Lyz2-cre/loxP accelerates osteoclast differentiation in vitro2017

    • Author(s)
      Saito E, Suzuki D, Kurotaki D, Mochizuki A, Manome Y, Suzawa T, Toyoshima Y, Ichikawa T, Funatsu T, Inoue T, Takami M, Tamura T, Inagaki K, and Kamijo R
    • Journal Title

      Cytotechnology

      Volume: 印刷中 Issue: 3 Pages: 443-450

    • DOI

      10.1007/s10616-016-0013-z

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Expression of nephronectin is enhanced by α,25-dihydroxyvitamin D3.2016

    • Author(s)
      Hiranuma K, Yamada A, Kurosawa T, Aizawa R, Suzuki D, Saito Y, Nagahama R, Ikehata M, Tsukasaki M, Morimura N, Chikazu D, Maki K, Shirota T, Takami M, Yamamoto M, Iijima T, Kamijo R
    • Journal Title

      FEBS Open Bio

      Volume: 6 Issue: 9 Pages: 914-918

    • DOI

      10.1002/2211-5463.12085

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Nephronectin Expression Is Up-Regulated by BMP-22016

    • Author(s)
      Kurosawa T, Yamada A, Suzuki D, Morimura N, Sasagane Y, Itabe H, Kamijo R
    • Journal Title

      Biological and Pharmaceutical Bulletin

      Volume: 39 Issue: 7 Pages: 1211-1215

    • DOI

      10.1248/bpb.b15-00941

    • NAID

      130005160772

    • ISSN
      0918-6158, 1347-5215
    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Cdc42 is crucial for facial and palatal formation during craniofacial development.2016

    • Author(s)
      Oshima-Nakayama M
    • Journal Title

      Bone Reports

      Volume: 5 Pages: 1-6

    • DOI

      10.1016/j.bonr.2016.01.001

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Rho GTPase protein Cdc42 is critical for postnatal cartilage development.2016

    • Author(s)
      Nagahama R, Yamada A, Tanaka J, Aizawa R, Suzuki D, Kassai H, Yamamoto M, Mishima K, Aiba A, Maki K, Kamijo R.
    • Journal Title

      Biochem Biophys Res Commun

      Volume: 470 Issue: 4 Pages: 813-817

    • DOI

      10.1016/j.bbrc.2016.01.111

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] 低分子量Gタンパク質Rac1は骨芽細胞分化の負の制御因子である2017

    • Author(s)
      鈴木大、山田篤、笹清人、上條竜太郎
    • Organizer
      第59回歯科基礎医学会学術大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 低分子量Gタンパク質Rac1は軟骨形成に必須である2016

    • Author(s)
      鈴木 大、山田 篤、竹田 秀、Frank Beier、稲垣 克記,上條 竜太郎
    • Organizer
      第16回東京骨関節フォーラム
    • Place of Presentation
      東京
    • Year and Date
      2016-07-30
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2019-03-29  

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