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Functional analysis of mutants of EVI1 identified in individuals with radioulnar synostosis with amegakaryocytic thrombocytopenia

Research Project

Project/Area Number 17K10045
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Pediatrics
Research InstitutionTohoku University

Principal Investigator

Niihori Tetsuya  東北大学, 医学系研究科, 准教授 (40436134)

Co-Investigator(Kenkyū-buntansha) 松原 洋一  国立研究開発法人国立成育医療研究センター, 所長室, 研究所長 (00209602)
青木 洋子  東北大学, 医学系研究科, 教授 (80332500)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords血小板減少症 / MECOM / 橈尺骨癒合症 / 橈尺骨癒合 / HOXA11 / EVI1
Outline of Final Research Achievements

We sequenced MECOM, HOXA11, SMAD6, and NOG of DNA from patients with radioulnar synostosis with or without thrombocytopenia and identified several rare variants. The significance of these variants are needed to be determined. We observed phenotypic changes in the mecom knockdown zebrafish by morpholino in a dose-dependent manner.The mecom knockout zebrafish were also generated and analyzed.

Academic Significance and Societal Importance of the Research Achievements

本研究の成果によって、ゼブラフィッシュにおける遺伝子改変モデルの作成と解析が可能となり、遺伝子バリアントの生体への影響がより容易に解析可能となった。MECOMのミスセンス変異や特定の部位を変異させた機能解析はこれまで他の研究グループでも成果が限られており、本研究の結果はMECOMの関連した病態に対して新たな知見を加えるのみならず、正常なMECOM機能の理解を深めるために重要な情報となる。

Report

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

    (6 results)

All 2019 2018 2017

All Journal Article (5 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 5 results,  Open Access: 2 results) Presentation (1 results)

  • [Journal Article] Germline-Activating RRAS2 Mutations Cause Noonan Syndrome2019

    • Author(s)
      Niihori Tetsuya、Nagai Koki、Fujita Atsushi、Ohashi Hirofumi、Okamoto Nobuhiko、Okada Satoshi、Harada Atsuko、Kihara Hirotaka、Arbogast Thomas、Funayama Ryo、Shirota Matsuyuki、Nakayama Keiko、Abe Taiki、Inoue Shin-ichi、Tsai I-Chun、Matsumoto Naomichi、Davis Erica E.、Katsanis Nicholas、Aoki Yoko
    • Journal Title

      The American Journal of Human Genetics

      Volume: 104 Issue: 6 Pages: 1233-1240

    • DOI

      10.1016/j.ajhg.2019.04.014

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Recurrent de novo MAPK8IP3 variants cause neurological phenotypes2019

    • Author(s)
      Iwasawa Shinya、Yanagi Kumiko、Kikuchi Atsuo、Kobayashi Yasuko、Haginoya Kazuhiro、Matsumoto Hiroshi、Kurosawa Kenji、Ochiai Masayuki、Sakai Yasunari、Fujita Atsushi、Miyake Noriko、Niihori Tetsuya、ら
    • Journal Title

      Annals of Neurology

      Volume: - Issue: 6 Pages: 927-933

    • DOI

      10.1002/ana.25481

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Mice with an Oncogenic HRAS Mutation are Resistant to High-Fat Diet-Induced Obesity and Exhibit Impaired Hepatic Energy Homeostasis2018

    • Author(s)
      Oba Daiju、Inoue Shin-ichi、Miyagawa-Tomita Sachiko、Nakashima Yasumi、Niihori Tetsuya、Yamaguchi Seiji、Matsubara Yoichi、Aoki Yoko
    • Journal Title

      EBioMedicine

      Volume: 27 Pages: 138-150

    • DOI

      10.1016/j.ebiom.2017.11.029

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Activated Braf induces esophageal dilation and gastric epithelial hyperplasia in mice2017

    • Author(s)
      Inoue Shin-Ichi、Takahara Shingo、Yoshikawa Takeo、Niihori Tetsuya、Yanai Kazuhiko、Matsubara Yoichi、Aoki Yoko
    • Journal Title

      Hum Mol Genet

      Volume: 26 Issue: 23 Pages: 4715-4727

    • DOI

      10.1093/hmg/ddx354

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] A patient with a novel purine-rich element binding protein A (PURA) mutation.2017

    • Author(s)
      Okamoto N, Nakao H, Niihori T, Aoki Y.
    • Journal Title

      Congenit Anom (Kyoto)

      Volume: 印刷中 Issue: 6 Pages: 201-204

    • DOI

      10.1111/cga.12214

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] RRAS2の活性化型生殖細胞変異はNoonan症候群を引き起こす2019

    • Author(s)
      新堀哲也, 永井康貴, 藤田京志, 大橋博文, 岡本伸彦, 岡田賢, 原田敦子, 木原裕貴, Thomas Arbogast, 舟山亮, 城田松之, 中山啓子, 阿部太記, 井上晋一, I-Chun Tsai, 松本直通, Erica E. Davis, Nicholas Katsanis, 青木洋子
    • Organizer
      日本人類遺伝学会第64回大会
    • Related Report
      2019 Annual Research Report

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Published: 2017-04-28   Modified: 2021-02-19  

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