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2012 Fiscal Year Final Research Report

Elucidation of a molecular mechanism controlling myelination in normal and disease states

Research Project

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Project/Area Number 22300123
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Neurochemistry/Neuropharmacology
Research InstitutionNational Research Institute for Child Health and Development

Principal Investigator

YAMAUCH Junji  独立行政法人国立成育医療研究センター, 薬剤治療研究部, 室長 (20335483)

Project Period (FY) 2010 – 2012
Keywordsミエリン形成 / 脱ミエリン現象 / シグナル伝達 / キナーゼ / 低分子量GTP結合蛋白質
Research Abstract

The myelin sheath consists of a unique multiple-layer structure that acts as an insulator between neuronal axons to enhance the propagation of the action potential. In the developing peripheral nervous system , myelin sheaths form as Schwann cells wrap individual axons. Yet, little is known about the intracellular signaling mechanisms, as well as those in demyelinating phenomena. Here we identify the signaling through new molecular networks to control myelination or demyelination. These results could provide a new therapeutic target for demyelination and dismyelination desieases.

Research Products

(8 results)

All 2012 2011 2010 Other

All Journal Article Presentation Remarks Patent(Industrial Property Rights)

  • [Journal Article] Phosphorylation of cytohesin-1 by Fyn is required for initiation of myelination and the extent of myelination during development2012

    • Author(s)
      Junji Yamauchi, Yuki Miyamoto, Tomohiro Torii, Shou Takashima, Kazumi Kondo, Katsumasa Kawahara, Noriko Nemoto, Jonah R. Chan, Gozoh Tsujimoto, and Akito Tanoue
    • Journal Title

      Sci. Signal

      Volume: 5

    • DOI

      DOI:10.1126/scisignal.2002802

  • [Journal Article] The atypical guanine-nucleotide exchange factor, Dock7, negatively regulates Schwann cell differentiation and myelination.2011

    • Author(s)
      Junji Yamauchi, Yuki Miyamoto, Hajime Hamasaki, Atsushi Sanbe, Shinji Kusakawa, Akane Nakamura, Hideki Tsumura, Masahiro Maeda, Noriko Nemoto, Katsumasa Kawahara, Tomohiro Torii, and Akito Tanoue
    • Journal Title

      J. Neurosci

      Volume: 31 Pages: 12579-12592

    • DOI

      DOI:10.1523/JNEUROSCI.2738-11.2011

  • [Presentation] Novel signal transduction pathway controlling myelination(シンポジウム New dynamic signaling to form unique structures between glial and neuronal cells)2012

    • Author(s)
      宮本 幸、山内淳司
    • Organizer
      日本神経科学会大会
    • Place of Presentation
      名古屋
    • Year and Date
      20120900
  • [Presentation] ダイナミックな形態分化を伴い、神経軸索のミエリン化を制御するマウスRho活性化因子Dock7(シンポジウム 細胞の形態・運動を制御するシグナル伝達ネットワーク)2011

    • Author(s)
      山内淳司
    • Organizer
      日本生化学会大会
    • Place of Presentation
      京都
    • Year and Date
      20110900
  • [Remarks]

    • URL

      http://nch.go.jp/pharmac/

  • [Patent(Industrial Property Rights)] ペリチェウス・メルツバッハ病治療方法及びそれに用いる治療剤2012

    • Inventor(s)
      山内淳司、田上昭人、宮本 幸、鳥居知宏、前田雅弘
    • Industrial Property Rights Holder
      山内淳司、田上昭人、宮本 幸、鳥居知宏、前田雅弘
    • Industrial Property Number
      特願,2012-21272
    • Filing Date
      2012-02-03
  • [Patent(Industrial Property Rights)] 中枢神経髄鞘形成不全の治療用組成物及び治療剤2010

    • Inventor(s)
      山内淳司、田上昭人、宮本 幸、鳥居知宏、友岡康弘
    • Industrial Property Rights Holder
      山内淳司、田上昭人、宮本 幸、鳥居知宏、友岡康弘
    • Industrial Property Number
      特願,2010-281777
    • Filing Date
      2010-12-17
  • [Patent(Industrial Property Rights)] 末梢神経軸索の再生剤及び再生方法2010

    • Inventor(s)
      山内淳司、田上昭人、宮本 幸、鳥居知宏
    • Industrial Property Rights Holder
      山内淳司、田上昭人、宮本 幸、鳥居知宏
    • Industrial Property Number
      特願,2010-209899
    • Filing Date
      2010-10-04
    • Overseas

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Published: 2014-08-29  

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