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Trial to develop oxidative stress erasing therapy to treat Alzheimer disease using redox nanoparticles

Research Project

Project/Area Number 25670416
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Neurology
Research InstitutionUniversity of Tsukuba

Principal Investigator

Tomidokoro Yasushi  筑波大学, 医学医療系, 講師 (80447250)

Co-Investigator(Kenkyū-buntansha) Ishii Kazuhiro  筑波大学, 医学医療系, 准教授 (70323293)
Tamaoka Akira  筑波大学, 医学医療系, 教授 (50192183)
Co-Investigator(Renkei-kenkyūsha) Nagasaki Yukio  筑波大学, 数理物質系, 教授 (90198309)
Research Collaborator Koide Takuya  
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsアルツハイマー病 / アミロイド / 治療
Outline of Final Research Achievements

To test the ability for redox nanoparticles therapeutics to suppress the development of dementia in Alzheimer disease patients, redox nanooarticles which have capacity to reduce active oxigen, were administrated to Tg2576 mice. Unfortunately, treated mice did not show improvement in either behavioral, neuropathological or biochemical aspects. However, during the process of the study, as described in the grant application, antibody specific to toxic Abeta conformer was evaluated with synthetic peptides, autopsied Alzheimer brains and CSF in order to use the new antibody for biochemical and immunopathological examinations of the mice. Consequentially, the method to detect toxic Abeta conformer in biological samples was established and new aspects were obtained, which leads us a new insight to develop noble strategy to diagnose and treat Alzheimer disease.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (8 results)

All 2015 2014 2013

All Presentation (8 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] 非認知症神経疾患患者脳ならびに脳脊髄液中の毒性Aβコンホマーの検討2015

    • Author(s)
      冨所康志,石井一弘,玉岡 晃
    • Organizer
      第34回日本認知症学会学術集会
    • Place of Presentation
      リンクステーションホール青森、青森
    • Year and Date
      2015-10-02
    • Related Report
      2015 Annual Research Report
  • [Presentation] Toxic Aβ conformer is present in brains and cerebrospinal fluid obtained from non-demented individuals.2015

    • Author(s)
      Tomidokoro Y, Ishii K, Tamaoka A
    • Organizer
      Alzheimer's Association International Conference 2015
    • Place of Presentation
      ワシントンDC(アメリカ合衆国)
    • Year and Date
      2015-07-18
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Analysis of toxic Aβ conformer in brains and cerebrospinal fluid obtained from non-demented individuals2015

    • Author(s)
      Tomidokoro Y, Ishii K, Tamaoka A
    • Organizer
      第56回日本神経学会学術大会
    • Place of Presentation
      朱鷺メッセ、新潟
    • Year and Date
      2015-05-20
    • Related Report
      2015 Annual Research Report
  • [Presentation] AD脳ならびに脳脊髄液中の毒性Aβコンホマー同定の試み2014

    • Author(s)
      冨所康志,石井一弘,玉岡 晃
    • Organizer
      第33回日本認知症学会学術集会
    • Place of Presentation
      横浜
    • Year and Date
      2014-11-29 – 2014-12-01
    • Related Report
      2014 Research-status Report
  • [Presentation] Biochemical analysis of Abeta toxic conformer in human autopsied brains and cerebrospinal fluid2014

    • Author(s)
      Tomidokoro Y, Ishii K, Tamaoka A
    • Organizer
      Alzheimer's Association International Conference 2014
    • Place of Presentation
      コペンハーゲン
    • Year and Date
      2014-07-12 – 2014-07-16
    • Related Report
      2014 Research-status Report
  • [Presentation] 毒性Aβコンフォマーのヒト脳ならびに脳脊髄液における生化学的同定の試み2014

    • Author(s)
      冨所康志,石井一弘,玉岡 晃
    • Organizer
      第55回日本神経学会学術大会
    • Place of Presentation
      福岡
    • Year and Date
      2014-05-21 – 2014-05-24
    • Related Report
      2014 Research-status Report
  • [Presentation] Biochemical analysis of toxic conformer of Abeta isolated from AD brains2013

    • Author(s)
      Yasushi Tomidokoro, Kazuhiro Ishii, Akira Tamaoka
    • Organizer
      Alzheimer's Association 2013 International Conference (AAIC)
    • Place of Presentation
      Boston
    • Related Report
      2013 Research-status Report
  • [Presentation] Alzheimer病患者脳における毒性Abetaコンフォマーの同定2013

    • Author(s)
      冨所康志,石井一弘,玉岡 晃
    • Organizer
      第54回日本神経学会学術大会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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