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2015 Fiscal Year Annual Research Report

原虫感染に対するCARD9を介した新規自然免疫活性化経路の解析

Research Project

Project/Area Number 25460594
Research InstitutionSaga University

Principal Investigator

吉田 裕樹  佐賀大学, 医学部, 教授 (40260715)

Co-Investigator(Kenkyū-buntansha) 原 博満  鹿児島大学, 医学部, 教授 (20392079)
Project Period (FY) 2013-04-01 – 2016-03-31
Keywords自然免疫 / 原虫 / CARD9 / Th1 / 受容体 / サイトカイン
Outline of Annual Research Achievements

本研究では、寄生虫のうち、原虫を認識する自然免疫受容体とそのリガンドの同定を目指した。前年度までに、ITAM受容体の下流でアダプター分子として機能するCARD9に依存する自然免疫活性化経路が原虫Leishmania major感染に対する抵抗性に関与することを確認した。今年度は、CARD9の上流に位置するSykキナーゼ欠損マウスを用いて、同様の結果を得、この経路がL. major感染抵抗性に関与していることを確認できた。CARD9の上流に位置する受容体に関しては、ITAM受容体の可溶型蛋白ライブラリーを用いて、認識受容体の候補を得た。これらの原虫への結合は確認できたが、認識するリガンドの同定には至っていない。現在、リガンドの同定を目指すとともに、この受容体の自然免疫活性可能、およびTh1型免疫誘導能などを解析している。

  • Research Products

    (10 results)

All 2015 Other

All Journal Article (5 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 5 results,  Acknowledgement Compliant: 3 results,  Open Access: 1 results) Presentation (4 results) (of which Int'l Joint Research: 1 results) Remarks (1 results)

  • [Journal Article] Clustering of CARMA1 through SH3-GUK domain interactions is required for its activation of NF-kappaB signalling2015

    • Author(s)
      Hara, H. Yokosuka, T. Hirakawa, H. Ishihara, C. Yasukawa, S. Yamazaki, M. Koseki, H. Yoshida, H. Saito, T.
    • Journal Title

      Nat Commun

      Volume: 6 Pages: 5555

    • DOI

      10.1038/ncomms6555

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Entamoeba mitosomes play an important role in encystation by association with cholesteryl sulfate synthesis2015

    • Author(s)
      Mi-Ichi, F. Miyamoto, T. Takao, S. Jeelani, G. Hashimoto, T. Hara, H. Nozaki, T. Yoshida, H.
    • Journal Title

      Proc Natl Acad Sci U S A

      Volume: 1122015 Pages: E2884-90

    • DOI

      10.1073/pnas.1423718112

    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Evidence that the Entamoeba histolytica Mitochondrial Carrier Family Links Mitosomal and Cytosolic Pathways through Exchange of 3'-Phosphoadenosine 5'-Phosphosulfate and ATP2015

    • Author(s)
      Mi-Ichi, F. Nozawa, A. Yoshida, H. Tozawa, Y. Nozaki, T.
    • Journal Title

      Eukaryot Cell

      Volume: 14 Pages: 1144-50

    • DOI

      10.1128/EC.00130-15

    • Peer Reviewed
  • [Journal Article] Loss of CARD9-mediated innate activation attenuates severe influenza pneumonia without compromising host viral immunity2015

    • Author(s)
      Uematsu, T. Iizasa, E. Kobayashi, N. Yoshida, H. Hara, H.
    • Journal Title

      Sci Rep

      Volume: 5 Pages: 17577

    • DOI

      10.1038/srep17577

    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] The immunobiology of interleukin-272015

    • Author(s)
      Yoshida, H. Hunter, C. A.
    • Journal Title

      Annu Rev Immunol

      Volume: 33 Pages: 417-43

    • DOI

      10.1146/annurev-immunol-032414-112134

    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Phospholipids bind to siglec-9 and induce immunosuppressive effect against LPS stimulation2015

    • Author(s)
      Miyake, Yasunobu Yamasaki, Sho Yoshida, H
    • Organizer
      The 44th annual meeting of the Japanese Society for Immunology
    • Place of Presentation
      札幌
    • Year and Date
      2015-11-18 – 2015-11-20
  • [Presentation] IL-27-producing CD4+ T cells induced during malaria infection are distinct from Tr1 cells.2015

    • Author(s)
      Kimura, D Miyakoda, M Doe, Henrietta Terko Kimura, K Hara, H Yoshida, H Yui, K
    • Organizer
      The 44th annual meeting of the Japanese Society for Immunology
    • Place of Presentation
      札幌
    • Year and Date
      2015-11-18 – 2015-11-20
  • [Presentation] Yasunobu Miyake Sho Yamasaki Hiroki, Yoshida2015

    • Author(s)
      Yasunobu Miyake Sho Yamasaki Hiroki, Yoshida
    • Organizer
      Cytokines Congres 2015 (3rd Anual Meeting of the International Cytokine and Interferon Society)
    • Place of Presentation
      Bamberg, Germany
    • Year and Date
      2015-10-11 – 2015-10-14
    • Int'l Joint Research
  • [Presentation] 結核菌認識受容体Mincleの安定化を担う分子MCL2015

    • Author(s)
      三宅靖延 山崎晶 吉田裕樹
    • Organizer
      結核菌認識受容体Mincleの安定化を担う分子MCL
    • Place of Presentation
      東京
    • Year and Date
      2015-07-17 – 2015-07-18
  • [Remarks] 佐賀大学医学部免疫学教室

    • URL

      http://mcis-sagamed.info/

URL: 

Published: 2017-01-06  

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