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Basic research for novel neurotrophic drugs targeting glial endothelin receptors

Research Project

Project/Area Number 21590108
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Biological pharmacy
Research InstitutionOsaka Ohtani University

Principal Investigator

KOYAMA Yutaka  大阪大谷大学, 薬学部, 教授 (00215435)

Co-Investigator(Kenkyū-buntansha) 田中 一裕  大阪大谷大学, 薬学部, 助教 (80454586)
Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords薬理学 / アストログリア / エンドセリン / 脳浮腫 / アクアポリン
Research Abstract

On brain insults, such as stroke, subarachnoid hemorrhage and head trauma, brain edema occurs. Although brain edema is a mortal pathology, effective drug treatments for it have not been established. To generate a novel drug against brain edema, mechanisms underlying brain edema formation were examined bbyb using animal models. We found that endothelins, (ETs), a vasoconstricting peptides, are potent inducers of various edema factors in rat brain and in cultured glial cells. These findings suggest that inhibition of ET receptors in glial cells on brain insults have beneficial actions to prevent brain edema frormation.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (19 results)

All 2012 2011 2010 2009

All Journal Article (11 results) (of which Peer Reviewed: 11 results) Presentation (8 results)

  • [Journal Article] Regulation of astrocytic functions by endothelins : Roles in pathophysiological responses of damaged brain2012

    • Author(s)
      Y. Koyama、S. Michinaga
    • Journal Title

      J Pharmacol Sci

      Volume: 118 Pages: 401-407

    • NAID

      10030571699

    • Related Report
      2011 Annual Research Report 2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] I. c. v administration of an endothelin ETB receptor agonist stimulates vascular endothelial growth factor-A production and activates vascular endothelial growth factor receptors in rat brain2012

    • Author(s)
      Y. Koyama、R. Nagae、S. Tokuyama、K. Tanaka
    • Journal Title

      Neuroscience

      Volume: 192 Pages: 689-698

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Endothelins decrease the expressions of aquaporins and plasma membrane water permeability in cultured rat astrocytes2011

    • Author(s)
      K. Tanaka, Y. Koyama
    • Journal Title

      J Neurosci Res

      Volume: 89 Pages: 320-328

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] I.c.v administration of an endothelin ET_B receptor agonist stimulates vascular endothelial growth factor-A production and activates vascular end othelial growth factor receptors in rat brain2011

    • Author(s)
      Y.Koyama, et al
    • Journal Title

      Neuroscience

      Volume: 192 Pages: 689-698

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Endothelins decrease the expressions of aquaporins and plasma membrane water permeability in cultured rat astrocytes.2011

    • Author(s)
      Tanaka K., Koyama Y.
    • Journal Title

      J Neurosci Res.

      Volume: 89 Pages: 320-328

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Intracerebro-ventricular administration of an endothelin ETB-receptor agonist increases expression of matrix metalloproteinase-2 and-9 in rat brain2010

    • Author(s)
      Y. Koyama, T. Tanaka
    • Journal Title

      J Pharmacol Sci

      Volume: 114 Pages: 433-443

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Intracerebroventricular administration of an endothelin ETB-receptor agonist increases expression of matrix Metalloproteinase-2 and -9 in Rat Brain.2010

    • Author(s)
      Y.Koyama, T.Tanaka
    • Journal Title

      J Pharmacol Sci.

      Volume: 114 Pages: 433-443

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Decreases in rat brain aquaporin-4 expression following intracerebroventricular administration of an endothelin ETB receptor agonist2009

    • Author(s)
      Y. Koyama, T. Tanaka
    • Journal Title

      Neuroscience Letters

      Volume: 469(3) Pages: 343-347

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Characterization of<14>^C-acetate uptake in cultured rat astrocytes2009

    • Author(s)
      R. Hosoi, Y. Matsuyama, S. Hirose, Y. Koyama, T. Matsuda, A. Gee, O. Inoue
    • Journal Title

      Brain Research

      Volume: 1253 Pages: 69-73

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Decreases in rat brain aquaporin-4 expression following intracerebrovent ricular administration of an endothelin ETB receptor agonist2009

    • Author(s)
      Y.Koyama, T.Tanaka
    • Journal Title

      Neuroscience Letters 469(3)

      Pages: 343-347

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Characterization of ^<14>C-acetate uptake in cultured rat astrocytes2009

    • Author(s)
      R.Hosoi, et al.
    • Journal Title

      Brain Research 1253

      Pages: 69-73

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] エンドセリンによるアストロサイトの転写因子Sp1の活性化: MCP-1およびCINC-1産生への関与2012

    • Author(s)
      道永昌太郎、小山豊
    • Organizer
      第85回日本薬理学会年会
    • Place of Presentation
      京都市
    • Year and Date
      2012-03-15
    • Related Report
      2011 Final Research Report
  • [Presentation] エンドセリンによるアストロサイトの転写因子Sp1の活性化:MCP-1およびCINC-1産生への関与2012

    • Author(s)
      道永昌太郎, 他
    • Organizer
      第85回日本薬理学会年会
    • Place of Presentation
      京都市
    • Year and Date
      2012-03-15
    • Related Report
      2011 Annual Research Report
  • [Presentation] エンドセリンによるラット大脳でのVEGF-A産生促進とVEGF受容体の活性化2011

    • Author(s)
      小山豊、永江隆二、徳山尚吾、田中一裕
    • Organizer
      第54回日本神経化学会大会
    • Place of Presentation
      加賀市
    • Year and Date
      2011-09-26
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] グリア細胞-more than just brain glue2011

    • Author(s)
      小山豊
    • Organizer
      第54回日本神経化学会大会神経科学カレッジ
    • Place of Presentation
      加賀市
    • Year and Date
      2011-09-25
    • Related Report
      2011 Final Research Report
  • [Presentation] ダリア細胞-more than just brain glue2011

    • Author(s)
      小出豊
    • Organizer
      第54回日本神経化学会大会神経科学カレッジ
    • Place of Presentation
      加賀市(招待講演)
    • Year and Date
      2011-09-25
    • Related Report
      2011 Annual Research Report
  • [Presentation] エンドセリンによるラット大脳および培養アストロサイトでのアクアポリンの発現変化2010

    • Author(s)
      小山豊、田中一裕
    • Organizer
      生体機能と創薬シンポジウム2010京都
    • Place of Presentation
      京都市
    • Year and Date
      2010-09-09
    • Related Report
      2011 Final Research Report 2010 Annual Research Report
  • [Presentation] 培養アストロサイトおよびラット大脳皮質におけるVEGF発現に対するエンドセリンの作用2010

    • Author(s)
      田中一裕、小山豊
    • Organizer
      日本薬理学会
    • Place of Presentation
      大阪
    • Year and Date
      2010-03-17
    • Related Report
      2011 Final Research Report 2009 Annual Research Report
  • [Presentation] 培養アストロサイトにおけるアクアポリン4発現と水透過性に対するエンドセリンの作用2009

    • Author(s)
      田中一裕、小山豊
    • Organizer
      日本神経科学会
    • Place of Presentation
      名古屋
    • Year and Date
      2009-09-19
    • Related Report
      2011 Final Research Report 2009 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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