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The P2X4 receptor is required for neuroprotection via ischemic preconditioning

Research Project

Project/Area Number 15K19965
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Neurosurgery
Research InstitutionOsaka University

Principal Investigator

OZAKI TOMOHIKO  大阪大学, 医学系研究科, 招へい教員 (00723123)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
KeywordsP2X4 receptor / オステオポンチン / 虚血耐性 / 血管内皮細胞 / P2X4受容体 / 脳虚血耐性 / 側副血行路 / 脳軟膜吻合
Outline of Final Research Achievements

Neurovascular Unit, the concept that not only neuron but also surrounding cells including glia and endothelial cells are needed to investigate ischemic stroke, has been regarded as an important concept. Ischemic preconditioning (IPC) is one of the stress to gain ischemic tolerance. We focused on vascular endothelial cells that detect vascular flow change during IPC. We revealed that P2X4 receptor on the vascular endothelial cells detect blood shear stress and induced ischemic tolerance via neuroprotective molecule osteopontin.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (5 results)

All 2017 2016 2015

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (4 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] The P2X4 receptor is required for neuroprotection via ischemic preconditioning2016

    • Author(s)
      Tomohiko Ozaki, Rieko Muramatsu, Miwa Sasai, Masahiro Yamamoto, Yoshiaki Kubota, Toshiyuki Fujinaka, Toshiki Yoshimine & Toshihide Yamashita
    • Journal Title

      Scientific Reports

      Volume: 6 Pages: 1-12

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] The P2X4 receptor is required for neuroprotection via ischemic preconditioning2017

    • Author(s)
      Tomohiko Ozaki, Rieko Muramatsu, Toshiyuki Fujinaka, Toshiki Yoshimine & Toshihide Yamashita
    • Organizer
      International Stroke Conference 2017
    • Place of Presentation
      ヒューストン,アメリカ
    • Year and Date
      2017-02-22
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 一過性脳虚血におけるオステオポンチン発現の検証、基礎研究結果のヒトでの検証2017

    • Author(s)
      尾崎友彦、村松里衣子、木下学、中村元、吉峰俊樹、貴島晴彦、山下俊英
    • Organizer
      第18回日本分子脳神経外科学会
    • Related Report
      2017 Annual Research Report
  • [Presentation] バルーン閉塞試験に対する生体反応の検討 プロテオミクス解析を用いた網羅的解析も含めたタンパク質発現変動2017

    • Author(s)
      尾崎友彦1、 村松里衣子、 木下学、中村元、貴島晴彦、 山下俊英
    • Organizer
      第33回日本脳神経血管内治療学会学術総会
    • Related Report
      2017 Annual Research Report
  • [Presentation] P2X4受容体を介した 虚血耐性獲得のメカニズム2015

    • Author(s)
      尾崎 友彦
    • Organizer
      第27回日本脳循環代謝学会総会
    • Place of Presentation
      富山
    • Year and Date
      2015-10-31
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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