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2008 Fiscal Year Final Research Report

Functional analysis of CD4 T cell-subpopulation exhibiting low responsiveness in aged hosts

Research Project

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Project/Area Number 18390127
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Experimental pathology
Research InstitutionKyoto University (2008)
National Institute for Longevity Sciences,NCGG (2006-2007)

Principal Investigator

SHIMIZU Jun  Kyoto University, 医学研究科, 准教授 (60291134)

Co-Investigator(Kenkyū-buntansha) NISHIOKA Tomohisa  国立長寿医療センター(研究所), 老化機構研究部, 流動研究員 (50419149)
Research Collaborator YAMAZAKI Sayuri  アメリカ, ロックフェラー大学, 博士研究員
Project Period (FY) 2006 – 2008
Keywords細胞 / 老化
Research Abstract

老齢B6 マウス(6ヶ月、12ヶ月、24ヶ月齢)をモデルとして用いた解析から、老化に伴いある特定のCD4T細胞亜集団の割合が増加し、しかもこの亜集団はT 細胞活性化誘導に対し著しい低応答性を呈すことを示してきた。今回この亜集団の低応答性を正常な高応答性へと回復させ得る培養条件を検討したが、本亜集団の活性化には持続的活性化刺激が必要であること、また本亜集団の出現にはT 細胞が抗原に暴露される必要性はなく、また酸化ストレスの持続的存在も関与していないことを示唆する結果が得られた。

  • Research Products

    (22 results)

All 2008 2007 2006

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (13 results) Book (3 results)

  • [Journal Article] Antigen-independent generation of a unique CD4 T cell-subset with aging and its persistent unresponsiveness2008

    • Author(s)
      Nishida E, Nishioka T, Iida R, Yagita H, Morita A, Shimizu J
    • Journal Title

      Immunol Lett 121

      Pages: 27-32

    • Peer Reviewed
  • [Journal Article] In vivo expansion of CD4^+Foxp3^+ regulatory T cells mediated by GITR molecules.2008

    • Author(s)
      Nishioka T, Nishida E, Iida R, Morita A, Shimizu J
    • Journal Title

      Immunol Lett 121

      Pages: 97-104

    • Peer Reviewed
  • [Journal Article] Ohno-Iwashita Y. Impairment in a negative regulatory system for TCR signaling in CD4^+ T cells from old mice2007

    • Author(s)
      Inomata M, Shimada Y, Hayashi M, Shimizu J
    • Journal Title

      FEBS Lett 581

      Pages: 3039-3043

    • Peer Reviewed
  • [Journal Article] Foxp3^+CD25^+CD4^+ natural regulatory T cells in dominant self-tolerance and autoimmune disease2006

    • Author(s)
      Sakaguchi S, Ono M, Setoguchi R, Yagi H, Hori S, Fehervari Z, Shimizu J, Takahashi T, Nomura T
    • Journal Title

      Immunol Rev 212

      Pages: 8-27

    • Peer Reviewed
  • [Journal Article] Control of autoimmune myocarditis and multi-organ inflammation by GITRhigh Foxp3-expressing CD25+ and CD25- regulatory T cells2006

    • Author(s)
      Ono M, Shimizu J, Miyachi Y, and Sakaguchi S
    • Journal Title

      J. Immunol 176

      Pages: 04748-4756

    • Peer Reviewed
  • [Journal Article] Iida R, Yamazaki S, and Sakaguchi S. CD4^+CD25^+Foxp3^+ T cells and CD4^+CD^25-Foxp3^+ T cells in aged mice2006

    • Author(s)
      Nishioka T, Shimizu J
    • Journal Title

      J. Immunol 176

      Pages: 6586-6593

    • Peer Reviewed
  • [Presentation] Conversion of CD4^+Foxp3^-T cells into CD^4+Foxp^3+ T cells is inhibited by agonistic anti-GITR antibody2008

    • Author(s)
      Nishida E, Nishioka T, Iida R, Morita A, Shimizu J
    • Organizer
      第38回日本免疫学会総会
    • Place of Presentation
      京都
    • Year and Date
      2008-12-01
  • [Presentation] 制御性CD4T細胞と同様の免疫抑制作用を呈す新規モノクローナル抗体の樹立2007

    • Author(s)
      西岡朋尚, 西田絵美, 清水淳
    • Organizer
      第37回日本免疫学会総会
    • Place of Presentation
      東京
    • Year and Date
      2007-11-20
  • [Presentation] 新規抗GITR抗体による制御性CD4T細胞の増殖誘導2007

    • Author(s)
      西田絵美, 西岡朋尚, 森田明理, 清水淳
    • Organizer
      第37回日本免疫学会総会
    • Place of Presentation
      東京
    • Year and Date
      2007-11-20
  • [Presentation]2007

    • Author(s)
      西岡朋尚、西田絵美、清水淳
    • Organizer
      第5回21世紀COE 若手研究フォーラムGITR を介する刺激で制御性T 細胞は増殖する
    • Place of Presentation
      名古屋大学医学部
    • Year and Date
      2007-06-07
  • [Presentation] In vivo expansion of CD4^+Foxp3^+ regulatory T cells mediated by GITR molecules2007

    • Author(s)
      Shimizu J, Nishioka T, and Iida R
    • Organizer
      Gordon Research Conferences
    • Place of Presentation
      Los Angels
    • Year and Date
      2007-03-25
  • [Presentation] In vivo expansion of CD4+Foxp3+ regulatory T cells mediated by GITR molecules2007

    • Author(s)
      清水淳
    • Organizer
      京都大学再生医科学研究所 セミナー
    • Place of Presentation
      京都
    • Year and Date
      2007-02-23
  • [Presentation] 老化と免疫抑制性T細胞2007

    • Author(s)
      清水淳
    • Organizer
      協和発酵(株)バイオフロンティア研究所セミナー
    • Place of Presentation
      東京
    • Year and Date
      2007-01-18
  • [Presentation] CD4^+CD25^+Foxp3^+ T cells and CD4^+CD25^-Foxp3^+ T cells in aged mice2006

    • Author(s)
      Nishioka T, Iida R, and Shimizu J
    • Organizer
      The 8^<th> International Congress of Neuroimmunology
    • Place of Presentation
      Nagoya
    • Year and Date
      2006-10-15
  • [Presentation] 高齢個体の免疫2006

    • Author(s)
      清水淳
    • Organizer
      第34回日本臨床免疫学会学術集会 シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2006-10-02
  • [Presentation] 老化と免疫抑制性CD4T細胞2006

    • Author(s)
      清水淳
    • Organizer
      名古屋市立大学医学部皮膚科セミナー
    • Place of Presentation
      名古屋.
    • Year and Date
      2006-09-22
  • [Presentation] Age-dependent reduction of PAG, a lipid raft-associated transmembrane adaptor protein, in mouse CD4 T cells2006

    • Author(s)
      Shimada Y, Inomata M, Hayashi M, Shimizu J, Ohno-Iwashita Y
    • Organizer
      20^<th> IUBMB International Congress of Biochemistry and Molecular Biology
    • Place of Presentation
      Kyoto
    • Year and Date
      2006-06-18
  • [Presentation] 老化したCD4T 細胞では脂質ラフトを介した「負」のシグナル制御系に異常がある2006

    • Author(s)
      猪股光司、嶋田有紀子、林昌美、清水淳、岩下淑子
    • Organizer
      第29回日本基礎老化学会
    • Place of Presentation
      長崎
    • Year and Date
      2006-06-16
  • [Presentation] CD45 molecules as a functional modulator of regulatory CD4 T cells2006

    • Author(s)
      Shimizu J, Iida R, Nishioka T
    • Organizer
      Immunology 2006
    • Place of Presentation
      Boston
    • Year and Date
      2006-05-15
  • [Book] 高齢個体の免疫2007

    • Author(s)
      西岡朋尚、清水淳
    • Total Pages
      585-591
    • Publisher
      臨床免疫・アレルギー科
  • [Book] CD4T細胞の加齢変化2007

    • Author(s)
      西岡朋尚、清水淳
    • Total Pages
      477-483
    • Publisher
      臨床免疫・アレルギー科
  • [Book] 坂口志文 分子リウマチ2007

    • Author(s)
      清水淳
    • Total Pages
      46-51
    • Publisher
      GITRL / GITR のCD4T細胞機能への作用

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

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