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The regulation of activation and senescence of HSC by DAMP and immunological cell

Research Project

Project/Area Number 22790672
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Gastroenterology
Research InstitutionJikei University School of Medicine

Principal Investigator

ISHIGURO Haruya  東京慈恵会医科大学, 医学部, 助教 (30445671)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords肝線維化 / 星細胞 / DAMP / 免疫細胞 / NKT細胞 / 制御性T細胞
Research Abstract

To make clear the mechanisms of the activation and suppression of HSC, I analyzed the influence of DAMP derived by hepatocyte oh the activation of HSC, the participation of NKT cell and regulatory cell on the regulation of HSC activation and the deletion of senescenced HSC by immune cells. I made clear following points. At first, activated HSC expressed DAMP receptor TLR2 and TLR4. Their expression was induced by IFN-γ. Secondary, activation of HSC was enhanced by NKT cell and was suppressed by regulatory cell. Finally, the deletion of senescenced HSC by immune cells was not observed. These results indicated that HSC the regulation of the activation of HSC was performed by DAMP, NKT cell and regulatory cell.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (5 results)

All 2012 2011

All Presentation (5 results)

  • [Presentation] 自己免疫性肝炎の臨床像、治療反応性に発症年齢が及ぼす影響の検討2012

    • Author(s)
      中野真範 高橋宏樹、、、石黒晴哉他
    • Organizer
      2012 日本肝臓学会総会
    • Place of Presentation
      金沢
    • Year and Date
      2012-06-04
    • Related Report
      2012 Final Research Report
  • [Presentation] 自己免疫性肝炎の肝内miRNA発現プロファイルと病態との関連の解析2012

    • Author(s)
      佐伯千里 高橋宏樹、、、石黒晴哉他
    • Organizer
      2012 日本肝臓学会総会
    • Place of Presentation
      金沢
    • Year and Date
      2012-06-04
    • Related Report
      2012 Final Research Report
  • [Presentation] ウルソデオキシコール酸単独治療が奏効した自己免疫性肝炎症例の臨床像の検討2012

    • Author(s)
      鳥巣勇一 高橋宏樹、、、石黒晴哉他
    • Organizer
      2012日本肝臓学会総会
    • Place of Presentation
      金沢
    • Year and Date
      2012-06-04
    • Related Report
      2012 Final Research Report
  • [Presentation] 自己免疫性肝疾患におけるB細胞のサイトカイン産生動態と病態との関連2011

    • Author(s)
      高橋宏樹、、、石黒晴哉 他
    • Organizer
      2011 日本肝臓学会総会
    • Place of Presentation
      東京
    • Year and Date
      2011-06-03
    • Related Report
      2012 Final Research Report
  • [Presentation] 自己免疫性肝傷害を惹起する自己反応性CD8+T細胞の活性化と肝内誘導には肝内活性化NKT細胞が関与する2011

    • Author(s)
      中野真範 高橋宏樹、、、石黒晴哉 他
    • Organizer
      2011日本肝臓学会総会
    • Place of Presentation
      東京
    • Year and Date
      2011-06-03
    • Related Report
      2012 Final Research Report

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Published: 2010-11-30   Modified: 2019-07-29  

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