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2010 Fiscal Year Final Research Report

Triobp, the novel deafness gene-stereocilia rootlet and hearing

Research Project

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Project/Area Number 21791615
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Otorhinolaryngology
Research InstitutionKyoto University

Principal Investigator

KITAJIRI Shinichiro  Kyoto University, 医学研究科, 助教 (00532970)

Project Period (FY) 2009 – 2010
Keywords内耳 / 遺伝性難聴 / 不動毛 / アクチン
Research Abstract

Knock out mice (KO mice) of Triobp isoforms are generated. It turned out that Triobp-4/5 KO stereocilia lack rootlet, and Triobp-1/5 KO mice are embryonic lethal. Both of these two models are deficient in two isoforms respectively, but single isoform specific KO mice are now generating. Adenovirus vector to express Triobp isoforms were also generated. Plasmids to express Triobp fragments were transfected into cultured cell to examine domain structure of Triobp.

  • Research Products

    (8 results)

All 2010 2009 Other

All Journal Article (3 results) Presentation (5 results)

  • [Journal Article] 人工多能性幹細胞(iPS細胞)の感音難聴病態解明と治療への応用2010

    • Author(s)
      北尻真一郎、伊藤壽一
    • Journal Title

      耳鼻咽喉科臨床 103

      Pages: 1-4

  • [Journal Article] Insulin-like growth factor 1 protects vestibular hair cells from aminoglycosides.

    • Author(s)
      Angunsri N, Taura A, NakagawaT,Hayashi Y, Kitajiri S, Omi E, Ishikawa K, Ito J.
    • Journal Title

      Neuroreport (in press)

  • [Journal Article] Adipose tissue-derived stromal cells protect hair cells from aminoglycoside.

    • Author(s)
      Angunsri N, Taura A, NakagawaT,Hayashi Y, Kitajiri S, Omi E, Ishikawa K, Ito J.
    • Journal Title

      Laryngoscope (in press)

  • [Presentation] Rootlet Structure of Stereocilia is Necessary for Vesttibular Function.2010

    • Author(s)
      Kitajiri S, Belyantseva I, Friedman T, Jones S.
    • Organizer
      Sixth International Symposium on Meniere's Disease and Inner Ear Disorders.
    • Place of Presentation
      京都市
    • Year and Date
      2010-11-16
  • [Presentation] 前庭機能における、不動毛の「根」の必要性2010

    • Author(s)
      北尻真一郎、伊藤壽一
    • Organizer
      第20回日本耳科学会総会
    • Place of Presentation
      松山市
    • Year and Date
      2010-10-08
  • [Presentation] TRIOBP bundling of actin filaments is indispensable for hearing.2010

    • Author(s)
      Kitajiri S.
    • Organizer
      ARO The 33rd Annual MidWinter Meeting.
    • Place of Presentation
      Anaheim USA
    • Year and Date
      2010-02-07
  • [Presentation] The molecular mechanism of DFNB28 deafness.2009

    • Author(s)
      Kitajiri S.
    • Organizer
      46th Workshop on Inner Ear Biology.
    • Place of Presentation
      Utrecht Netherlands
    • Year and Date
      2009-09-14
  • [Presentation] 新規アクチン束化分子TRIOBPの同定2009

    • Author(s)
      北尻真一郎
    • Organizer
      第61回日本細胞生物学会大会
    • Place of Presentation
      名古屋市
    • Year and Date
      2009-06-03

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Published: 2012-02-13   Modified: 2016-04-21  

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