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Clarification of roles of calcium-dependent cytosolic protease calpain on neuronal cell death

Research Project

Project/Area Number 20390030
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Biological pharmacy
Research InstitutionThe Institute of Physical and Chemical Research

Principal Investigator

NOBUHISA Iwata  The Institute of Physical and Chemical Research, 大学院・医歯薬学総合研究科, 教授 (70246213)

Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥20,020,000 (Direct Cost: ¥15,400,000、Indirect Cost: ¥4,620,000)
Fiscal Year 2010: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2009: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2008: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000)
Keywords神経細胞死 / カルシウム依存性プロテアーゼ / カルパイン / カルパスタチン / プロテオミクス / アルツハイマー病 / アミロイドβペプチド / タウ / 小胞膜GABAトランスポーター
Research Abstract

In this study, I investigated possible involvement of calpain. Using gene-engineering techniques, I generated calpain activity-augmented and suppressed model mice, and clarified that calpain activation caused exacerbation of Aβamyloidosis, tau phosphorylation, microgliosis, somato-dendritic dystrophy and mortality. In addition, I found that vesicular GABA transporter (VGAT) is cleaved by calpain after excitotoxic stimulation or a cerebral ischemia model. These observations indicate that calpain activation may underlie Aβ-triggered pathological cascade and thus shall become a relevant pharmacological target in the treatment of AD.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (16 results)

All 2011 2010 2009 2008 Other

All Journal Article (5 results) (of which Peer Reviewed: 4 results) Presentation (9 results) Book (2 results)

  • [Journal Article] Cleavage of the vesicular GABA transporter under excitotoxic conditions is followed by accumulation of a truncated VGAT in non-synaptic sites.2011

    • Author(s)
      Joao R.Gomes, Andrea C.Lobo, Carlos V.Melo, Ana R.Inacio, Jiro Takano, Nobuhisa Iwata, Takaomi C.Saido, Luis P.de Almeida, Tadeusz Wieloch, Carlos B.Duarte.
    • Journal Title

      J.Neurosci. 31巻

      Pages: 4622-4635

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Calpastatin, an endogenous calpain-inhibitor protein, regulates the cleavage of the Cdk5 activator p35 to p25.2011

    • Author(s)
      Ko Sato, Seiji Minegishi, Jiro Takano, Florian Plattner, Taro Saito, Akiko Asada, Hiroyuki Kawahara, Nobuhisa Iwata, Takaomi C.Saido, Shin-ichi Hisanaga.
    • Journal Title

      J.Neurochem. 117巻

      Pages: 504-515

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Cleavage of the vesicular GABA transporter under excitotoxic conditions is followed by accumulation of the truncated transporter in nonsynaptic sites.2011

    • Author(s)
      Gomes JR, et al.
    • Journal Title

      Journal of Neuroscience

      Volume: 31 Pages: 4622-4635

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Calpastatin, an endogenous calpain-inhibitor protein, regulates the cleavage of the Cdk5 activator p35 to p252011

    • Author(s)
      Sato K, et al.
    • Journal Title

      Journal of Neurochemistry

      Volume: (in press)

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 脳内プロテアーゼの活性制御によるアルツハイマー病の治療戦略2008

    • Author(s)
      岩田修永, ら
    • Journal Title

      日本薬理学雑誌 131

      Pages: 320-325

    • NAID

      10024382526

    • Related Report
      2008 Annual Research Report
  • [Presentation] アルツハイマー病脳に蓄積するアミロイドβペプチドを標的とした認知症治療戦略2010

    • Author(s)
      岩田修永
    • Organizer
      第2回ちばバイオ交流フォーラム
    • Place of Presentation
      千葉
    • Related Report
      2010 Final Research Report 2009 Annual Research Report
  • [Presentation] カルパスタチンによるCdk5活性化サブユニットp35の限定分解の制御2010

    • Author(s)
      佐藤亘, 嶺岸正治, 高野二郎, 斎藤太郎, 浅田明子, 岩田修永, 西道隆臣, 久永眞市
    • Organizer
      BMB2010(第33回日本分子生物学会年会・第83回日本生化学会大会 合同大会)
    • Place of Presentation
      神戸
    • Related Report
      2010 Final Research Report
  • [Presentation] アミロイドβペプチド(Aβ)代謝を標的としたアルツハイマー病の治療戦略2010

    • Author(s)
      岩田修永
    • Organizer
      国立医薬品食品衛生研究所特別講演会
    • Place of Presentation
      東京
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] カルパスタチンによるCdk5活性化サブユニットp35の限定分解の制御2010

    • Author(s)
      佐藤亘, ら, その他7名
    • Organizer
      第83回日本生化学会大会
    • Place of Presentation
      神戸
    • Related Report
      2010 Annual Research Report
  • [Presentation] アルツハイマー病のアミロイド病理と治療戦略2009

    • Author(s)
      岩田修永, 西道隆臣
    • Organizer
      生体機能と創薬シンポジウム2009
    • Place of Presentation
      東京
    • Related Report
      2010 Final Research Report
  • [Presentation] カルパスタチン遺伝子改変マウスを用いたcdk5活性化サブユニットp35の分解機構の解析2009

    • Author(s)
      佐藤亘, 岩田修永, 高野二郎, 斎藤太郎, 浅田明子, 西道隆臣, 久永眞市
    • Organizer
      第82回日本生化学会大会
    • Place of Presentation
      神戸
    • Related Report
      2010 Final Research Report 2009 Annual Research Report
  • [Presentation] アルツハイマー病のアミロイド病理と治療戦略2009

    • Author(s)
      岩田修永、西道隆臣
    • Organizer
      生体機能と創薬シンポジウム 2009
    • Place of Presentation
      東京
    • Related Report
      2009 Annual Research Report
  • [Presentation] アルツハイマー病の病態解明に向けたモデルマウスの解析2008

    • Author(s)
      岩田修永
    • Organizer
      薬理学サマーセミナー2008「創薬、育薬、病態解明研究のための実践行動薬理学」
    • Place of Presentation
      那須
    • Related Report
      2008 Annual Research Report
  • [Presentation] アミロイドβタンパクの脳内分解システム2008

    • Author(s)
      岩田修永, ら
    • Organizer
      第27回日本認知症学会学術集会
    • Place of Presentation
      前橋
    • Related Report
      2008 Annual Research Report
  • [Book] アルツハイマー病の謎を解く2010

    • Author(s)
      岩田修永, 西道隆臣
    • Total Pages
      305
    • Publisher
      中外医学社
    • Related Report
      2010 Annual Research Report
  • [Book] アルツハイマー病の謎を解く

    • Author(s)
      岩田修永, 西道隆臣
    • Total Pages
      305
    • Publisher
      中外医学社,東京
    • Related Report
      2010 Final Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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