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2008 Fiscal Year Final Research Report

Investigation of involvement of ERK signal transduction pathway in the development of infact size after focal cerebral ischemia

Research Project

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Project/Area Number 19591008
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Neurology
Research InstitutionKeio University

Principal Investigator

TOMITA Yutaka  Keio University, 医学部, 助教 (60276251)

Research Collaborator OSADA Takashi  慶應義塾大学, 医学部, 助教 (30348635)
Project Period (FY) 2007 – 2008
KeywordsERK2ノックアウト・マウス / 中大脳動脈閉塞モデル / FITCラベル赤血球 / 共焦点顕微鏡 / マットラブソフト / TTC染色 / 7テスラ動物用MRI
Research Abstract

ERK2ノックアウト・マウス群では、野生型コントロール群と比較し、脳梗塞後の関心領域の脳微小血流および毛細血管内赤血球速度の回復過程が時間的に速い傾向が認められた。また、TTC染色を用いて脳梗塞24時間後の梗塞体積を2群間で比較したところ、ERK2ノックアウト・マウス群の方が若干小さくなる傾向が認められた。一方、MRIを用いた検討では、その梗塞体積に有意差は認められなかった。局所脳虚血後の梗塞病変の進展拡大においてERK2シグナル伝達機構が増悪因子として作用しており、将来の脳梗塞後の治療のターゲットとなり得る可能性があることが示唆された。

  • Research Products

    (25 results)

All 2009 2008 2007

All Journal Article (5 results) Presentation (20 results)

  • [Journal Article] Automated method for tracking vastnumbers of FITC-labeled RBCs in microvesselsof rat brain in vivo using a high-speed confocal microscope system. Microcirculation2008

    • Author(s)
      Tomita M
    • Journal Title

      15

      Pages: 163-174

  • [Journal Article] Frequency distribution function of RBC velocities in single capillaries of the ratcerebral cortex using intravital confocal microscope with high-speed camera2008

    • Author(s)
      Unekawa M
    • Journal Title

      Asian Biomed 2

      Pages: 203-218

  • [Journal Article] Periodic disappearance of RBC from focal capillary network during k+-induced cortical spreading depression in rodents2008

    • Author(s)
      Tomita M
    • Journal Title

      J Vasc Res 45

      Pages: 49

  • [Journal Article] Cell swelling - membranedepolarization - loss of osmotic gradient layer inthe cell membrane and changes in light scattering of red blood cells2008

    • Author(s)
      Tomita M
    • Journal Title

      Neuroscience Research 61

      Pages: S65

  • [Journal Article] Effect of artificial RBCs on murine hemorrhagic shock model2008

    • Author(s)
      Tomita Y
    • Journal Title

      Artificial Blood 107

      Pages: 16

  • [Presentation] 大脳皮質動脈において血管内皮障害後の修復過程で認められた移植単核球の効果2009

    • Author(s)
      伊藤義彰
    • Organizer
      第34回日本脳卒中学会総会
    • Place of Presentation
      島根
    • Year and Date
      2009-03-22
  • [Presentation] 脳虚血周辺部微小血管の血管新生-経時的形態的変化と赤血球流速よりみたアプローチ2009

    • Author(s)
      冨田稔
    • Organizer
      第34回日本脳卒中学会総会
    • Place of Presentation
      島根
    • Year and Date
      2009-03-20
  • [Presentation] Frequency distribution function of red blood cell velocities in intraparenchymal single capillaries of the mouse cerebral cortex2009

    • Author(s)
      畝川美悠紀
    • Organizer
      第34回日本微小循環学会年次総会
    • Place of Presentation
      東京
    • Year and Date
      2009-02-20
  • [Presentation] マウス板間静脈の血流特異性と週齢に伴う構造変化の検討2008

    • Author(s)
      鳥海春樹
    • Organizer
      第20回日本脳循環代謝学会総会
    • Place of Presentation
      東京
    • Year and Date
      2008-11-07
  • [Presentation] マウス脱血出血性ショック時の人工赤血球投与による脳酸素分圧への影響2008

    • Author(s)
      冨田裕
    • Organizer
      第20回日本脳循環代謝学会総会
    • Place of Presentation
      東京
    • Year and Date
      2008-11-07
  • [Presentation] Time for remodeling of the micro vascular structure after MCA occlusion in mice2008

    • Author(s)
      Tatarishvili Jemal
    • Organizer
      第20回日本脳循環代謝学会総会
    • Place of Presentation
      東京
    • Year and Date
      2008-11-07
  • [Presentation] 一酸化窒素の急速静注血圧下降に対する脳血流(血液希釈法)と脳組織毛細血管内赤血球速度の変化2008

    • Author(s)
      畝川美悠紀
    • Organizer
      20回日本脳循環代謝学会総会
    • Place of Presentation
      東京
    • Year and Date
      2008-11-06
  • [Presentation] RBC exclusion from capillaries in k+-induced cortical spreading depression and MCA occlusion-induced ischemia in rodents2008

    • Author(s)
      冨田稔
    • Organizer
      Asian Congress for Microcirculation
    • Place of Presentation
      Tai an, China
    • Year and Date
      2008-10-27
  • [Presentation] High RBC velocities in single capillaries of the rat cerebral cortex2008

    • Author(s)
      冨田稔
    • Organizer
      Asian Congress for Microcirculation
    • Place of Presentation
      Tai an, China
    • Year and Date
      2008-10-27
  • [Presentation] Effect of artificial RBCs on murine hemorrhagic shock model2008

    • Author(s)
      冨田裕
    • Organizer
      The 6th Current Issues on Blood Substitute Research
    • Place of Presentation
      東京
    • Year and Date
      2008-10-24
  • [Presentation] In vivo visualization of astrocytic elements surrounding microvessels with flowing FITC-labelled RBCs in mice2008

    • Author(s)
      冨田裕
    • Organizer
      6th World Stroke Congress
    • Place of Presentation
      Wien
    • Year and Date
      2008-09-25
  • [Presentation] Effects of artificial RBCS on murin ecerebral ischemia2008

    • Author(s)
      冨田裕
    • Organizer
      10th International Symposium on Thrombolysis and Acute Stroke threrapy
    • Place of Presentation
      Budapest
    • Year and Date
      2008-09-22
  • [Presentation] Periodic disappearance of RBC from focal capillary network during k+-induced cortical spreading depression in rodents2008

    • Author(s)
      冨田稔
    • Organizer
      25th European Conference of Microcirculation
    • Place of Presentation
      Budapest
    • Year and Date
      2008-08-26
  • [Presentation] Facilitation of FITC-labeled RBC movement along single capillaries: role of glia? Gordon Conference2008

    • Author(s)
      冨田稔
    • Organizer
      Brain Energy Metabolism and Blood Flow
    • Place of Presentation
      Andover, NH
    • Year and Date
      2008-08-17
  • [Presentation] The comparison of the fate of bone marrow cells (BMCs) and adiposetissue-derived adult stromal cells (ADSCs)transplanted into the ischemic C57BL/6 adultmice brain2008

    • Author(s)
      冨田裕
    • Organizer
      第31回日本神経科学大会
    • Place of Presentation
      東京
    • Year and Date
      2008-07-10
  • [Presentation] Cell swelling-membrane depolarization-loss of osmotic gradient layer in the cell membrane and changes in light scattering of red blood cells2008

    • Author(s)
      冨田稔
    • Organizer
      第31回日本神経科学大会
    • Place of Presentation
      東京
    • Year and Date
      2008-07-10
  • [Presentation] 磁力によるマウス脳血管内への選択的な物質移送の検討2008

    • Author(s)
      冨田裕
    • Organizer
      慶應ニュ-ロサイエンス研究会
    • Place of Presentation
      東京
    • Year and Date
      2008-06-14
  • [Presentation] マウス板間静脈の経週齢的発達と消退-頭痛との関連について-2008

    • Author(s)
      鳥海春樹
    • Organizer
      第49回日本神経学会総会
    • Place of Presentation
      横浜
    • Year and Date
      2008-05-17
  • [Presentation] マウス脳血管内への選択的な物質移送の検討2008

    • Author(s)
      冨田裕
    • Organizer
      第49回日本神経学会総会
    • Place of Presentation
      横浜
    • Year and Date
      2008-05-17
  • [Presentation] Repeated in vivo imaging with cellularresolution of bone marrow cells transplanted intothe ischemic brain of a mouse. 21st CenturyCenter of Excellence (COE) ProgramInternational symposium 2007 Basic Study andClinical Application of the Human Stem Cell Biology and Immunology2007

    • Author(s)
      冨田裕
    • Place of Presentation
      東京
    • Year and Date
      2007-11-29

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Published: 2010-06-10   Modified: 2016-04-21  

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