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エピジェネティクスに注目したARDSの病態解析

Research Project

Project/Area Number 21659415
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeSingle-year Grants
Research Field Emergency medicine
Research InstitutionKyoto Prefectural University of Medicine

Principal Investigator

橋本 悟  京都府立医科大学, 医学研究科, 准教授 (90167578)

Co-Investigator(Kenkyū-buntansha) 天谷 文昌  京都府立医科大学, 医学研究科, 講師 (60347466)
橋本 壮志  京都府立医科大学, 医学研究科, 助教 (60515279)
松山 広樹  京都府立医科大学, 医学研究科, 助教 (80515289)
Project Period (FY) 2009 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥3,100,000 (Direct Cost: ¥3,100,000)
Fiscal Year 2010: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 2009: ¥2,200,000 (Direct Cost: ¥2,200,000)
Keywords急性肺障害
Research Abstract

肺組織におけるヒストンアセチル化のターゲットの検索
肺障害モデルとして、マウスに経気管的にリポポリサッカライド(LPS)を投与し、その後生じる肺損傷の程度を乾湿重量比、アルブミン漏出試験ならびに組織化学的手法で評価した。LPSの投与は乾湿重量比ならびにアルブミン漏出量を増加させ、組織化学的には肺胞間質組織への炎症細胞の浸潤が認められた。ヒストンアセチル化のターゲットとして、組織エンドペプチダーゼの一種NEPを想定し、肺における活性を測定した。NEP活性とNEP発現量はいずれもLPS投与肺において減少し、LPSによる組織炎症がNEPの発現量を変化させることが明らかとなった。今後ヒストンアセチル化酵素阻害剤を肺内投与し、NEP活性がどのように変化するのかを検討したい。

Report

(2 results)
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (5 results)

All 2010 2009 2008

All Journal Article (5 results) (of which Peer Reviewed: 5 results)

  • [Journal Article] Laminin γ2 fragments are increased in the circulation of patients with early-phase acute lung injury.2010

    • Author(s)
      Katayama M, Ishizaka A, Kotani K, Ware L, Matthay M, Hashimoto S.
    • Journal Title

      Intensive Care Med

      Volume: 36 Pages: 476-486

    • NAID

      120006626433

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Neutrophil elastase inhibitor improves survival of rats with clinically relevant sepsis2010

    • Author(s)
      Suda K, Takeuchi H, Hagiwara T, Okamoto M, Kawasako K, Yamada S, Hashimoto S, Maruyama I, Ishizaka A, Kitagawa Y., et al
    • Journal Title

      Shock

      Volume: 33 Pages: 526-531

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Expression of neutral endopeptidase activity during clinical and experimental acute lung injury.2010

    • Author(s)
      Hashimoto S, Amaya F, Oh-Hashi K, Kiuchi, K, Hashimoto S.
    • Journal Title

      Respir Res

      Volume: 11 Pages: 164-173

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Concentrations of clarithromycin and active metabolite in the epithelial lining fluid of patients with mycobacterium avium complex pulmonary disease.2009

    • Author(s)
      Hasegawa N, Nishimura T, Watabnabe M, Tasaka S, Nakano Y, Yamazaki K, Hashimoto S, Nishimura M, Ishizaka A.
    • Journal Title

      Pulmonary pharmacology & therapeutics 22

      Pages: 190-193

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Acute lung inflammation and ventilator-induced lung injury caused by ATP via the P2Y receptors : an experimental study.2008

    • Author(s)
      Matsuyama H, Amaya F, Hashimoto S, Ueno H, Beppu S, Mizuta M, Shime N, Ishizaka A, Hashimoto S
    • Journal Title

      Respiratory Research 9

      Pages: 79-79

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed

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

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