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2010 Fiscal Year Annual Research Report

Tリンパ球依存性胸腺微少環境構築機構

Research Project

Project/Area Number 20390144
Research InstitutionThe University of Tokushima

Principal Investigator

高濱 洋介  徳島大学, 疾患ゲノム研究センター, 教授 (20183858)

Co-Investigator(Kenkyū-buntansha) 新田 剛  徳島大学, 疾患ゲノム研究センター, 講師 (30373343)
Keywords免疫学 / 獲得免疫 / 胸腺微小環境 / 胸腺上皮細胞 / ケモカイン / Aire / 胸腺プロテアソーム / XCL1
Research Abstract

本研究は、Tリンパ球の胸腺内分化選択機構の分子理解を大きな目標に、分化途上のTリンパ球が胸腺微小環境の構築に必須であることに着眼した胸腺上皮細胞刺激因子の同定を行い、更に胸腺上皮特異的機能分子の発現を指標にした皮質上皮細胞と髄質上皮細胞の分岐機構の解析へと進むことで、Tリンパ球レパトア選択を担う胸腺微小環境の多段階構築機構を分子レベルで解明することを目的とした。平成22年度の研究成果としては、まず、胸腺髄質上皮細胞の産生するケモカインXCL1による胸腺内樹状細胞の髄質中央部への誘引が、胸腺における制御性T細胞の産生に重要であるとともに、自己免疫疾患原因分子のひとつAireによって制御されることが明らかになった。また、胸腺皮質上皮細胞に特異的に発現されるβ5t鎖を含む胸腺プロテアソームによるタンパク質分解が、CD8T細胞の効率よい正の選択をひきおこすペプチドークラス1MHC複合体の産生に必要であり、その結果として有用Tリンパ球レパトアの形成と有効な生体防御に必要であることが明らかになった。更に、胸腺プロテアソーム構成鎖β5tの遺伝子座にCreを組換えることで皮質上皮細胞特異的に遺伝子を改変させるマウスの作出をほぼ完了するとともに、ケモカインCCL21の遺伝子座に蛍光タンパク質をコードする遺伝子を組換えることでCCL21を発現する髄質上皮細胞特異的に蛍光検出するマウスの作製を進めた。これら新たな材料を用いることで今後、胸腺皮質上皮細胞と胸腺髄質上皮細胞の分岐機構の解明に挑む。

  • Research Products

    (43 results)

All 2011 2010 Other

All Journal Article (14 results) (of which Peer Reviewed: 13 results) Presentation (26 results) Book (1 results) Remarks (1 results) Patent(Industrial Property Rights) (1 results) (of which Overseas: 1 results)

  • [Journal Article] Ontogeny of thymic cortical epithelial cells expressing thymoproteasome subunit β5t2011

    • Author(s)
      Mat Ripen A, et al.
    • Journal Title

      European Journal of Immunology

      Volume: (In press)

    • Peer Reviewed
  • [Journal Article] Aire-dependent production of XCL1 mediates medullary accumulation of thymic dendritic cells and contributes to regulatory T cell development2011

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

      Journal of Experimental Medicine

      Volume: 208 Pages: 383-394

    • Peer Reviewed
  • [Journal Article] Cytokine crosstalk for thymic medulla formation2011

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

      Current Opinion in Immunology

      Volume: 23 Pages: 190-197

    • Peer Reviewed
  • [Journal Article] Thymoproteasome shapes immunocompetent repertoire of CD8+ T cells2010

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

      Immunity

      Volume: 32 Pages: 29-40

    • Peer Reviewed
  • [Journal Article] Role of thymic cortex-specific self-peptides in positive selection of T cells2010

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

      Seminars in Immunology

      Volume: 22 Pages: 287-293

    • Peer Reviewed
  • [Journal Article] Lymphotoxin signals from positively selected thymocytes regulate the terminal differentiation of medullary thymic epithelial cells2010

    • Author(s)
      White AJ, et al.
    • Journal Title

      Journal of Immunology

      Volume: 185 Pages: 4769-4776

    • Peer Reviewed
  • [Journal Article] Another zinc finger in the pie of CD4-CD8 lineage choice2010

    • Author(s)
      Takada K, Takahama Y.
    • Journal Title

      Nature Immunology

      Volume: 11 Pages: 370-371

    • Peer Reviewed
  • [Journal Article] Undiminished regulatory T cells in the thymus of patients with myasthenia gravis2010

    • Author(s)
      Matsui N, et al.
    • Journal Title

      Neurology

      Volume: 74 Pages: 816-820

    • Peer Reviewed
  • [Journal Article] Differentiation of pharyngeal endoderm from mouse embryonic stem cells2010

    • Author(s)
      Hidaka K, et al.
    • Journal Title

      Stem Cells and Development

      Volume: 19 Pages: 1735-1743

    • Peer Reviewed
  • [Journal Article] Identification of the transgenic integration site in immunodeficient tgε 26 human CD3ε transgenic mice2010

    • Author(s)
      Ohigashi I, et al.
    • Journal Title

      PLoS One

      Volume: 5 Pages: e14391

    • Peer Reviewed
  • [Journal Article] In situ patrolling of regulatory T cells is essential for protecting autoimmune exocrinopathy2010

    • Author(s)
      Ishimaru N, et al.
    • Journal Title

      PLoS One

      Volume: 5 Pages: e8588

    • Peer Reviewed
  • [Journal Article] Role of HIF-1α in T cells as a negative regulator in development of vascular remodeling2010

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

      Arteriosclerosis, Thrombosis, and Vascular Biology

      Volume: 30 Pages: 210-217

    • Peer Reviewed
  • [Journal Article] Critical function of death associated protein 3 in T cell receptor mediated-apoptosis induction2010

    • Author(s)
      Tosa N, et al.
    • Journal Title

      Biochemical and Biophysical Research Communications

      Volume: 395 Pages: 356-360

    • Peer Reviewed
  • [Journal Article] Top three reasons to come to Kobe for the 14th International Congress of Immunology2010

    • Author(s)
      Takahama Y, Miyasaka M.
    • Journal Title

      European Journal of Immunology

      Volume: 40 Pages: 10-11

  • [Presentation] Mechanisms to establish self-tolerance in the thymic medulla2011

    • Author(s)
      Yousuke Takahama
    • Organizer
      Lymphocyte development and autoimmunity
    • Place of Presentation
      ルンド大学(フィンランド)
    • Year and Date
      2011-03-07
  • [Presentation] Thymic microenvironments that shape T lymphocyte repertoire2011

    • Author(s)
      Yousuke Takahama
    • Organizer
      日本-欧州先端科学セミナー Cutting Edge Immunology and its Clinical Application
    • Place of Presentation
      Apollo Hotel de Beyaerd(オランダ)
    • Year and Date
      2011-03-02
  • [Presentation] 「胸腺ナース細胞」型多細胞複合体のT細胞レパトア選択における役割2011

    • Author(s)
      新田剛
    • Organizer
      第30回日本胸腺研究会
    • Place of Presentation
      長崎大学(長崎市)
    • Year and Date
      2011-02-05
  • [Presentation] マウス胸腺上皮細胞のマイクロアレイ解析によるヒト胸腺解析法開発の試み2011

    • Author(s)
      中川靖士
    • Organizer
      第30回日本胸腺研究会
    • Place of Presentation
      長崎大学(長崎市)
    • Year and Date
      2011-02-05
  • [Presentation] RANKL promotes thymic medulla formation2010

    • Author(s)
      Izumi Ohigashi
    • Organizer
      The 2nd Workshop of Synthetic Immunology
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2010-12-17
  • [Presentation] 胸腺特異的プロテアソームの発現制御機構の解析2010

    • Author(s)
      中山知美
    • Organizer
      第33回日本分子生物学会年会・第83回日本生化学会大会合同大会
    • Place of Presentation
      神戸ポートアイランド(神戸市)
    • Year and Date
      2010-12-10
  • [Presentation] T細胞レパトア選択における胸腺皮質上皮細胞の役割2010

    • Author(s)
      新田剛
    • Organizer
      第33回日本分子生物学会年会・第83回日本生化学会大会合同大会
    • Place of Presentation
      神戸ポートアイランド(神戸市)
    • Year and Date
      2010-12-09
  • [Presentation] 細胞内GTP結合タンパク質IAN4とIAN5はリンパ球の生存制御因子である2010

    • Author(s)
      矢野弘太
    • Organizer
      第33回日本分子生物学会年会・第83回日本生化学会大会合同大会
    • Place of Presentation
      神戸ポートアイランド(神戸市)
    • Year and Date
      2010-12-09
  • [Presentation] T-cell repertoire formation in the thymus2010

    • Author(s)
      Yousuke Takahama
    • Organizer
      Cold Spring Harbor Asia Conferences-Frontiers of Immunology in Health and Diseases-
    • Place of Presentation
      蘇州(中国)
    • Year and Date
      2010-11-09
  • [Presentation] 乳児期早期胸腺全摘出が起こす術後免疫学的問題点とその対策2010

    • Author(s)
      黒部裕嗣
    • Organizer
      第63回日本胸部外科学会定期学術集会
    • Place of Presentation
      大阪国際会議場(大阪市)
    • Year and Date
      2010-10-26
  • [Presentation] Critical signaling Pathway via CCR7 0f Foxp3+CD25+CD4+ regulatory T cells for the egress from lymphnodes2010

    • Author(s)
      Naozumi Ishimaru
    • Organizer
      14th International Congress of Immunology
    • Place of Presentation
      神戸国際会議揚(神戸市)
    • Year and Date
      2010-08-26
  • [Presentation] Kruppel-like factor 2 is dispensable for the quiescence of post-activated T cells2010

    • Author(s)
      Kensuke Takada
    • Organizer
      14th International Congress of Immunology
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2010-08-25
  • [Presentation] Complete thymectomy at neonatal cardiac surgery reduces circulating T cell2010

    • Author(s)
      Hirotsugu Kurobe
    • Organizer
      14th International Congress of Immunology
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2010-08-25
  • [Presentation] Dicer is required for the postnatal maintenance of the thymic epithelial microenvironment2010

    • Author(s)
      Saulius Zuklys
    • Organizer
      14th International Congress of Immunology
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2010-08-25
  • [Presentation] Role of cortical thymic epithelial cells in positive selection of T cells2010

    • Author(s)
      Takeshi Nitta
    • Organizer
      14th International Congress of Immunology
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2010-08-24
  • [Presentation] Aire regulates XCL1-mediated medullary accumulation of thymic dendritic cells and thymic development of regulatory T cells2010

    • Author(s)
      Yu Lei
    • Organizer
      14th International Congress of Immunology
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2010-08-24
  • [Presentation] Thymic microenvironments that shape T cell repertoire2010

    • Author(s)
      Yousuke Takahama
    • Organizer
      14th International Congress of Immunology
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2010-08-23
  • [Presentation] Undiminished Regulatory T Cells in the Thymus of Myasthenia Gravis Patients2010

    • Author(s)
      Naoko Matsui
    • Organizer
      14th International Congress of Immunology
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2010-08-23
  • [Presentation] IAN4とIAN5はリンパ球の生存調節因子である2010

    • Author(s)
      矢野弘太
    • Organizer
      第9回四国免疫フォーラム
    • Place of Presentation
      愛媛大学(東温市)
    • Year and Date
      2010-06-19
  • [Presentation] T細胞レパトア選択における胸腺皮質上皮細胞の役割2010

    • Author(s)
      新田剛
    • Organizer
      第20回Kyoto T Cell Conference
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2010-06-04
  • [Presentation] 胸腺プロテアソーム構成因子β5t非依存的に分化したCD8T細胞の抗原特異性2010

    • Author(s)
      高田健介
    • Organizer
      第20回Kyoto T Cell Conference
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2010-06-04
  • [Presentation] Aire regulates XCL1-mediated medullary accumulation of thymic dendritic cells and thymic development of regulatory T cells2010

    • Author(s)
      Yu Lei
    • Organizer
      第20回Kyoto T Cell Conference
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2010-06-04
  • [Presentation] XCL1 regulates medullary accumulation of thymic dendritic cells and thymic development of regulatory T cells2010

    • Author(s)
      Yousuke Takahama
    • Organizer
      Gordon Research Conferences
    • Place of Presentation
      ルッカ(イタリア)
    • Year and Date
      2010-06-01
  • [Presentation] 胸腺におけるT細胞選択と自己免疫疾患2010

    • Author(s)
      高浜洋介
    • Organizer
      第5回小児重症筋無力症研究会
    • Place of Presentation
      福岡国際会議場(福岡市)
    • Year and Date
      2010-05-22
  • [Presentation] 血管リモデリング時の転写因子HIF-1αの役割2010

    • Author(s)
      黒部裕嗣
    • Organizer
      第110回日本外科学会定期学術集会
    • Place of Presentation
      名古屋国際会議場(名古屋市)
    • Year and Date
      2010-04-10
  • [Presentation] 胸腺の構築2010

    • Author(s)
      高浜洋介
    • Organizer
      第1回Synthetic Immunology研究会
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2010-04-09
  • [Book] Basic Cell Culture Protocols, Fourth Edition (The development of T lymphocytes in fetal thymus organ culture)2011

    • Author(s)
      Nitta T, et al.
    • Publisher
      Humana Press, Springer(In press)
  • [Remarks]

    • URL

      http://www.genome.tokushima-u.ac.jp/dei/index.html

  • [Patent(Industrial Property Rights)] Evaluation device for fluorescent group, computer-executable evaluation program for fluorescent group, and evaluation system for fluorescent group.2010

    • Inventor(s)
      Takahama Y, Nitta T, Nakano Y.
    • Industrial Property Rights Holder
      国立大学法人徳島大学、株式会社ニコン
    • Industrial Property Number
      米国特許 PF1100112/979,858
    • Filing Date
      2010-12-28
    • Overseas

URL: 

Published: 2012-07-19  

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