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The role of RNA editing in Th17 cell differentiation

Research Project

Project/Area Number 15K19126
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Immunology
Research InstitutionOsaka University

Principal Investigator

Nakahama Taisuke  大阪大学, 医学系研究科, 助教 (10636187)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
KeywordsRNA編集 / 自己免疫疾患 / T細胞 / RNA編集酵素
Outline of Final Research Achievements

T-heler (Th) cells play a critical role in autoimmune diseases such as rheumatoid arthritis and multiple sclerosis. ADAR2 is the enzyme responsible for adenosine-to-inosine RNA editing in double-stranded RNA. Although it has been reported the pivotal functions of ADAR2 in the brain, the role of ADAR2 in Th cells remains elusive. In this study, we revealed that T cell-specific ADAR2 deficient mice exhibited significantly higher sensitive to the development of experimental autoimmune encephalomyelitis and higher frequencies of both Th1 and Th17 cells. Furthermore, we found that ADAR2 negatively regulates Th1 cell differentiation in a RNA editing-independent manner.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (8 results)

All 2018 2017 2016

All Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (6 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Expression of aryl hydrocarbon receptor, inflammatory cytokines, and incidence of rheumatoid arthritis in Vietnamese dioxin-exposed people.2017

    • Author(s)
      Nguyen CH, Nakahama T, Dang TT, Chu HH, Van Hoang L, Kishimoto T, Nguyen NT.
    • Journal Title

      J Immunotoxicol

      Volume: 14 Issue: 1 Pages: 196-203

    • DOI

      10.1080/1547691x.2017.1377323

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Millrine D, Haruhiko M, Tei M, Dubey P, Kishan N, Nakahama T, Gemechu Y, Ripley B, Kishimoto T.2016

    • Author(s)
      Millrine D, Haruhiko M, Tei M, Dubey P, Kishan N, Nakahama T, Gemechu Y, Ripley B, Kishimoto T.
    • Journal Title

      Int Immunol.

      Volume: 印刷中 Issue: 6 Pages: 307-315

    • DOI

      10.1093/intimm/dxw005

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] T細胞成熟におけるRNA編集の役割の解明2018

    • Author(s)
      中濱泰祐
    • Organizer
      先進ゲノム支援 2017年度拡大班会議
    • Related Report
      2017 Annual Research Report
  • [Presentation] RNA editing-mediated prevention of activating MDA5 pathway is required for early T cell development2017

    • Author(s)
      Taisuke Nakahama, Carl Walkley, Yukio Kawahara
    • Organizer
      Gordon Research Conferences - 2017 Meeting - RNA editing
    • Place of Presentation
      Ventura, California, United States
    • Year and Date
      2017-03-12
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] RNA editing-mediated prevention of activating MDA5 pathway is required for e arly T cell development2017

    • Author(s)
      Taisuke Nakahama, Carl Walkley and Yukio Kawahara
    • Organizer
      The 43rd Naito Conference
    • Related Report
      2017 Annual Research Report
  • [Presentation] RNA editing-mediated prevention of activating MDA5 pathway is required for early T cell development2017

    • Author(s)
      Taisuke Nakahama, Carl Walkley and Yukio Kawahara
    • Organizer
      RNAフロンティアミーティング 2017
    • Related Report
      2017 Annual Research Report
  • [Presentation] RNA editing-mediated prevention of activating MDA5 pathway is required for early T cell development2016

    • Author(s)
      Taisuke Nakahama, Carl Walkley, Yukio Kawahara
    • Organizer
      第45回日本免疫学会学術集会
    • Place of Presentation
      沖縄
    • Year and Date
      2016-12-05
    • Related Report
      2016 Research-status Report
  • [Presentation] RNA editing-mediated prevention of activating MDA5 pathway is required for early T cell development2016

    • Author(s)
      Taisuke Nakaham, Yukio Kawahara
    • Organizer
      RNA 2016
    • Place of Presentation
      京都
    • Year and Date
      2016-06-28
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2019-03-29  

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