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The involvement of reelin in the cortex-dpendent skilled learning after a stroke

Research Project

Project/Area Number 15K19966
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Neurosurgery
Research InstitutionOsaka University

Principal Investigator

Nishibe Mariko  大阪大学, 医学系研究科, 招へい教員 (50638757)

Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
KeywordsMotor Learning / Reelin / reeler / motor control / motor training / 脳血管障害 / リハビリテーション / リーリン / 運動野可塑性分子メカニズム
Outline of Final Research Achievements

The physiological functions of reelin in vivo during adulthood remain controversial. We tested if there is a behavioral phenotype in the adult heterozygous reeler mice on the skilled reach task. The heterozygous reeler mice could learn to reach and grasp singly presented pellets, but the successfully retrieved number of pellets was lower than that achieved by the WT. We then assessed the physiological integrity of the motor cortex in HRM and WT littermates, before and after the training on skilled reach, using intracortical microstimulation. We found that this forelimb training exerted bilateral effects on the cortical forelimb map constitution. The level of synaptophysin and neurofilament expression levels heighten in the WT post-training. We are currently summarizing the results for post-stroke learning outcome measures.

Report

(3 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • Research Products

    (3 results)

All 2017 2016

All Presentation (3 results) (of which Invited: 1 results)

  • [Presentation] リーラーマウスの骨格筋評価2017

    • Author(s)
      西部真理子、山下俊英
    • Organizer
      骨格筋生物学研究会
    • Place of Presentation
      東京大学 駒場キャンパス
    • Year and Date
      2017-03-03
    • Related Report
      2016 Annual Research Report
  • [Presentation] Reeler Motor Control2016

    • Author(s)
      西部真理子、山下俊英
    • Organizer
      Motor Control 研究会
    • Place of Presentation
      慶應義塾大学 日吉キャンパス
    • Year and Date
      2016-09-01
    • Related Report
      2016 Annual Research Report
  • [Presentation] ラットモデルでの検証報告: 上肢運動機能回復と上肢運動野マップ再構築に及ぶリハビリの時間的効果2016

    • Author(s)
      西部真理子、山下俊英
    • Organizer
      第93回日本生理学会大会
    • Place of Presentation
      札幌
    • Year and Date
      2016-03-22
    • Related Report
      2015 Research-status Report
    • Invited

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Published: 2015-04-16   Modified: 2018-03-22  

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