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Immune regulation by inhibitory immune receptors against Mycobacteria

Research Project

Project/Area Number 17K15730
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Immunology
Research InstitutionOsaka University

Principal Investigator

Motozono Chihiro  大阪大学, 微生物病研究所, 助教 (10642910)

Project Period (FY) 2017-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2018: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords免疫学 / 免疫受容体 / 死細胞 / C型レクチン受容体 / 感染症
Outline of Final Research Achievements

Although the activating signals are balanced by inhibitory receptor-mediated signals, which maintains immune homeostasis, ligand recognitions and functions via inhibitory immune receptor remains unclear. In this study, we identified a novel ligand recognized by an inhibitory immune receptor and revealed the inhibitory function.

Academic Significance and Societal Importance of the Research Achievements

これまで一連の活性型免疫受容体が脂質認識受容体として機能し、それぞれが特徴的な自然免疫ならびに獲得免疫応答の惹起することが明らかになってきた。その一方で抑制型免疫受容体に関する研究はそのリガンドを含めてその全貌は明らかではなかったが、本研究により抑制型免疫受容体の脂質リガンドを新たに同定することが出来た。本研究成果は、抑制型免疫受容体を介した新たな免疫応答制御機構の解明に寄与することが示唆され、1)リガンド成分含有のアジュバントを用いた免疫応答制御法、ならびに、2)抑制型免疫受容体の認識阻害により免疫応答を活性化する新たな治療法の開発に発展すると期待される。

Report

(3 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • Research Products

    (5 results)

All 2018 2017 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (2 results) (of which Invited: 1 results) Remarks (2 results)

  • [Journal Article] Dectin-1 intracellular domain determines species-specific ligand spectrum by modulating receptor sensitivity2017

    • Author(s)
      Takano, T., Motozono, C., Imai, T., Sonoda, KH., Nakanishi, Y., Yamasaki, S
    • Journal Title

      The Journal of Biological Chemistry

      Volume: 292 Pages: 16933-16941

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] Recognition of phospholipids on dead cells via inhibitory C-type lectin receptor.2018

    • Author(s)
      C. Motozono, T. Shimane, S. Torigoe, N. Nishimura, and S. Yamasaki.
    • Organizer
      第47回日本免疫学会学術集会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Dectin-1 intracellular domain determines species-specific ligand spectrum by modulating receptor sensitivity.2018

    • Author(s)
      C. Motozono, T. Takano, T. Imai, K. Sonoda and S. Yamasaki.
    • Organizer
      第91回日本生化学学会大会
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Remarks] 大阪大学 微生物病研究所 分子免疫制御分野 山崎研究室

    • URL

      http://molimm.biken.osaka-u.ac.jp

    • Related Report
      2018 Annual Research Report
  • [Remarks] 大阪大学微生物病研究所分子免疫制御分野 山﨑研究室

    • URL

      http://molimm.biken.osaka-u.ac.jp

    • Related Report
      2017 Research-status Report

URL: 

Published: 2017-04-28   Modified: 2020-03-30  

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