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Mechanisms of the breakdown of antigen specific immunotolerance in autoimmune hepatitis

Research Project

Project/Area Number 18590751
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Gastroenterology
Research InstitutionJikei University School of Medicine

Principal Investigator

ZENIYA Mikio  Jikei University School of Medicine, 医学部, 教授 (70138767)

Co-Investigator(Kenkyū-buntansha) KUNIYASU Yushi  東京慈恵会医科大学, 医学部, 助教 (10338890)
AMANO Katausi  東京慈恵会医科大学, 医学部, 助教 (70424645)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥630,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2006: ¥1,300,000 (Direct Cost: ¥1,300,000)
Keywords自己免疫性肝炎 / 免疫寛容破綻 / AIH / IL-12 / 自己反応性T細胞 / 肝移行性 / 補助分子 / 接着分子 / アポトーシス / 自己反応性CD8細胞 / 肝内免疫環境
Research Abstract

マウスへの肝細胞と樹状細胞の融合細胞の投与により得られる自己免疫性肝炎モデルの免疫動態の解析を行い、肝炎を引き起こす自己反応性活性化T細胞は肝内でアポトーシスに陥るが、その頻度は外来抗原特異性T細胞に比し有意に低く、炎症によりさらに低下することが明らかとなった。また炎症により肝内に自己反応性T細胞がリクルートするが、それは肝細胞や類洞内皮細胞の補助分子、接着分子発現、ケモカイン、サイトカイン産生がTh1反応誘導性に変化することによることが明らかにされた。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (19 results)

All 2008 2007 2006

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (12 results)

  • [Journal Article] Simplified criteria for the diagnosis of autoimmune hepatitis2008

    • Author(s)
      Hennes EM, et.al.
    • Journal Title

      Hepatology 48

      Pages: 169-76

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The efficacy of ursodeoxycholic acid and bezafibrate combination therapy for primary biliary cirrhosis : A prospective multicenter study2008

    • Author(s)
      Iwasaki S, et.al.
    • Journal Title

      Hepatol Res 38

      Pages: 557-64

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Human homolog of NOTUM, overexpressed in hepatocellular carcinoma2008

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

      is regulated transcriptionally by beta-catenin/TCF. Cancer Sci 99(6)

      Pages: 1139-46

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Intrahepatic expression of the co-stimulatory molecules programmed death-1, and its ligands in autoimmune liver disease2007

    • Author(s)
      Oikawa T, et.al.
    • Journal Title

      Pathol Int 57(8)

      Pages: 485-92

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Do DCs influence the antiviral effect of interferon/ribavirin by changing their profile during the therapy?2006

    • Author(s)
      Takahashi H, et.al.
    • Journal Title

      J Gastroenterol 41(8)

      Pages: 816-7

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Preferential involvement of Tim-3 in the regulation of hepatic CD8+ T cells in murine acute graft-versus-host disease2006

    • Author(s)
      Oikawa T, et.al.
    • Journal Title

      J Immunol 177(7)

      Pages: 4281-7

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Interferon-gamma produced by interleukin-12-activated tumor infiltrating CD8+T cells directly induces apoptosis of mouse hepatocellular carcinoma2006

    • Author(s)
      Komita H, et.al.
    • Journal Title

      J Hepatol 45(5)

      Pages: 662-72

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] Reciprocal changes of Tr1 and Th17 are involved in the pathogenesis of autoimmune liver diseases2008

    • Author(s)
      H Takahashi, et.al.
    • Organizer
      第59回アメリカ肝臓学会年次学術集会
    • Place of Presentation
      アメリカ・サンフランシスコ
    • Year and Date
      2008-11-02
    • Related Report
      2008 Final Research Report
  • [Presentation] Increased intrahepatic Foxp3+Treg may participate in the natural occurring recovery of experimental autoimmune hepatitis2008

    • Author(s)
      C Saeki, et.al.
    • Organizer
      第59回アメリカ肝臓学会年次学術集会
    • Place of Presentation
      アメリカ・サンフランシスコ
    • Year and Date
      2008-11-02
    • Related Report
      2008 Final Research Report
  • [Presentation] 自己免疫性肝炎の発症機構と病態(シンポジウム)2008

    • Author(s)
      高橋宏樹, 銭谷幹男
    • Organizer
      第44回日本肝臓学会総会
    • Place of Presentation
      松山
    • Year and Date
      2008-06-06
    • Related Report
      2008 Final Research Report
  • [Presentation] 肝臓における活性化CD8+T細胞の抗原特異的Stunningの誘導2008

    • Author(s)
      国安祐史, 他
    • Organizer
      第44回日本肝臓学会総会
    • Place of Presentation
      松山
    • Year and Date
      2008-06-05
    • Related Report
      2008 Final Research Report
  • [Presentation] 原発性胆汁性肝硬変症におけるIL-10産生性Tr1およびTh17の動態の解析2008

    • Author(s)
      高橋宏樹, 他
    • Organizer
      第44回日本肝臓学会総会
    • Place of Presentation
      松山
    • Year and Date
      2008-06-05
    • Related Report
      2008 Final Research Report
  • [Presentation] GLUCOCORTICOID RESISTANCE IN AUTOIMMUNE HEPATITIS ASSOCIATES TO INCREASED EXPRESSION AND ACTIVITY OF P-GLYCOPROTEIN IN T CELL2007

    • Author(s)
      H Takahashi, et.al.
    • Organizer
      第58回アメリカ肝臓学会年次学術集会
    • Place of Presentation
      アメリカ・ボストン
    • Year and Date
      2007-11-05
    • Related Report
      2008 Final Research Report
  • [Presentation] APLが肝臓における抗原特異的活性化リンパ球の捕捉除去に及ぼす影響の解析2007

    • Author(s)
      国安祐史, 他
    • Organizer
      第43回日本肝臓学会総会
    • Place of Presentation
      東京
    • Year and Date
      2007-06-01
    • Related Report
      2008 Final Research Report
  • [Presentation] 自己免疫性肝炎のT細胞におけるP糖蛋白質の発現および機能とステロイド治療抵抗性の関連2007

    • Author(s)
      高橋宏樹, 他
    • Organizer
      第43回日本肝臓学会総会
    • Place of Presentation
      東京
    • Year and Date
      2007-05-31
    • Related Report
      2008 Final Research Report
  • [Presentation] INTRAHEPATIC NKT CELL AND SOLUBLE CD1D HAVE A SIGNIFICANT ROLE IN THE IMMUNO PATHOGENESIS OF AIH BUT NOT IN PBC2006

    • Author(s)
      H Takahashi, et.al.
    • Organizer
      第57回アメリカ肝臓学会年次学術集会
    • Place of Presentation
      アメリカ・ボストン
    • Year and Date
      2006-10-29
    • Related Report
      2008 Final Research Report
  • [Presentation] HCVトランスジェニックマウスにおける初期免疫応答2006

    • Author(s)
      佐藤憲一, 他
    • Organizer
      第42回日本肝臓学会総会
    • Place of Presentation
      京都
    • Year and Date
      2006-05-26
    • Related Report
      2008 Final Research Report
  • [Presentation] 自己免疫性肝疾患における可溶性CD1d分子遺伝子発現動態の解析2006

    • Author(s)
      高橋宏樹, 他
    • Organizer
      第42回日本肝臓学会総会
    • Place of Presentation
      京都
    • Year and Date
      2006-05-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 自己免疫性肝疾患におけるPD-1/PD-L1/PD-L2の肝内発現動態の解析2006

    • Author(s)
      及川恒一, 他
    • Organizer
      第42回日本肝臓学会総会
    • Place of Presentation
      京都
    • Year and Date
      2006-05-25
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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