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Molecular genetic analysis of patients with craniosynostosis and the elucidation of mechanisms of osteoblast differentiation and bone formation

Research Project

Project/Area Number 16K10805
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Neurosurgery
Research InstitutionKanagawa Children's Medical Center (Clinical Research Institute)

Principal Investigator

Shimbo Hiroko  地方独立行政法人神奈川県立病院機構神奈川県立こども医療センター(臨床研究所), 臨床研究所, 研究員 (50724663)

Co-Investigator(Kenkyū-buntansha) 伊藤 進  地方独立行政法人神奈川県立病院機構神奈川県立こども医療センター(臨床研究所), 臨床研究所, 部長 (50254181)
佐々木 康成  地方独立行政法人神奈川県立病院機構神奈川県立こども医療センター(臨床研究所), 臨床研究所, 部長 (70332848)
Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords頭蓋縫合早期癒合症 / 鎖骨頭蓋骨異形成症 / FGFR2 / FGFR3 / TWIST1 / RUNX2 / 歯髄細胞 / TWIST1 / 脳神経疾患 / 遺伝子
Outline of Final Research Achievements

Craniosynostosis describes the premature fusion of the skull or facial bones.
Mutations of the gain-of-function in fibroblast growth factor receptor (FGFR) and the loss of function in transcription factor Twist Family bHLH Transcription Factor 1 (TWIST1) can cause some types of craniosynostosis. In the overexpression of transcription factor, Runt-related transcription factor 2 (RUNX2) caused by Cleidocranial Dysplasia with delayed suture closure was reported in patients with craniosynostosis. RUNX2 and TWIST1 help regulate bone development, and disruption of these expressions may cause disease. We observed reduced RUNX2 and increased TWIST1 expression in the dental pulp cells of the RUNX2 loss-of-function mutation. This indicates its usefulness as a research tool for bone diseases.

Academic Significance and Societal Importance of the Research Achievements

頭蓋縫合早期癒合症の原因として線維芽細胞増殖因子受容体FGFRの機能獲得型変異や転写因子TWIST1の機能喪失型変異が知られている。また、頭蓋縫合骨化遅延を呈する鎖骨頭蓋骨異形成症の原因となる転写因子RUNX2の過剰発現(重複)において、頭蓋縫合早期癒合症が報告されている。骨形成の各段階の成熟度を決めるTWIST1やRUNX2の発現制御の破綻が疾患に関係する。今回、RUNX2機能喪失型変異の歯髄細胞において、RUNX2の発現低下、TWIST1の発現上昇が認められ、骨疾患の研究ツールとして有用性が示された。先天性の骨系統疾患に限らず、骨代謝異常症の骨粗鬆症等の病態解明にも応用が期待される。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (7 results)

All 2019 2018 2017 2016

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 1 results) Presentation (4 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Haploinsufficiency of BCL11A associated with cerebellar abnormalities in 2p15p16.1 deletion syndrome2017

    • Author(s)
      Shimbo Hiroko、Yokoi Takayuki、Aida Noriko、Mizuno Seiji、Suzumura Hiroshi、Nagai Junichi、Ida Kazumi、Enomoto Yumi、Hatano Chihiro、Kurosawa Kenji
    • Journal Title

      Molecular Genetics & Genomic Medicine

      Volume: 5 Issue: 4 Pages: 429-437

    • DOI

      10.1002/mgg3.289

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 頭蓋縫合早期癒合症における遺伝子異常の 系統的スクリーニングの確立2017

    • Author(s)
      伊藤 進、新保 裕子
    • Journal Title

      こども医療センター医学誌

      Volume: 46 Pages: 168-169

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] A contiguous gene deletion neighboring TWIST1 identified in a patient with Saethre-Chotzen syndrome associated with neurodevelopmental delay: possible contribution of HDAC9.2017

    • Author(s)
      Shimbo H, Oyoshi T, Kurosawa K.
    • Journal Title

      Congenit Anom (Kyoto)

      Volume: 印刷中 Issue: 1 Pages: 33-35

    • DOI

      10.1111/cga.12216

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Presentation] TWIST1遺伝子に異常が認められたSaethre-Chotzen症候群の10症例2019

    • Author(s)
      新保裕子
    • Organizer
      第15回Craniosynostosis研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 頭蓋縫合早期癒合症における系統的遺伝子検索2018

    • Author(s)
      新保裕子
    • Organizer
      第14回Craniosynostosis研究会
    • Related Report
      2018 Research-status Report
  • [Presentation] Saethre-Chotzen 症候群を呈する 7p21.1 欠失症例2016

    • Author(s)
      新保裕子,大吉達樹,黒澤健司
    • Organizer
      第58回日本小児神経学会学術集会
    • Place of Presentation
      京王プラザホテル新宿(東京都新宿区)
    • Year and Date
      2016-06-03
    • Related Report
      2016 Research-status Report
  • [Presentation] Diagnosis of osteoblast differentiation in Down syndrome with the pulpal stem cell2016

    • Author(s)
      Yasunori Sasaki, Hiroko Shimbo, Yuji Taya
    • Organizer
      The 10th Biennial Conference of the Pediatric Dentistry Association of Asia(PDAA)
    • Place of Presentation
      東京ドームホテル(東京都文京区)
    • Year and Date
      2016-05-26
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research

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Published: 2016-04-21   Modified: 2021-02-19  

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