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Functional analysis of an inhibitory receptor LMIR3 in basophil activation and Th2-type immune responses

Research Project

Project/Area Number 15K19677
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Dermatology
Research InstitutionJuntendo University

Principal Investigator

Izawa Kumi  順天堂大学, 医学(系)研究科(研究院), 助教 (80708313)

Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords好塩基球 / ペア型レセプター / CD300
Outline of Final Research Achievements

Flow cytometric analysis showed that LMIR3 is not expressed in mouse tissue basophils, while it is highly expressed in mouse bone marrow-derived cultured basophils. LMIR3-deficient mice exhibited enhanced IgE-mediated chronic allergic inflammatory responses and IgG1/antigen-dependent passive systemic anaphylactic responses than did wild-type counterparts. This might be because inflammatory tissue basophils express LMIR3, inhibiting IgE- or IgG-dependent activation of basophils or because these responses are suppressed by LMIR3 in immune cells other than basophils. On the other hand, LMIR3-deficient basophils or dendritic cells highly induced Th2 responses as compared with wild-type counterparts, indicating that LMIR3 inhibits Th2-mediated allergic responses.

Report

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

    (9 results)

All 2017 2016 2015

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results,  Acknowledgement Compliant: 2 results) Presentation (7 results)

  • [Journal Article] Ceramide-CD300f Binding Inhibits Lipopolysaccharide-induced Skin Inflammation.2017

    • Author(s)
      Shiba E, Izawa K, Kaitani A, Isobe M, Maehara A, Uchida K, Maeda K, Nakano N, Ogawa H, Okumura K, Kitamura T, Shimizu T, Kitaura J
    • Journal Title

      J Biol Chem.

      Volume: 292 Issue: 7 Pages: 2924-2932

    • DOI

      10.1074/jbc.m116.768366

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Ceramide-CD300f binding suppresses experimental colitis by inhibiting ATP-mediated mast cell activation.2015

    • Author(s)
      Matsukawa T, Izawa K, Isobe M, Takahashi M, Maehara A, Yamanishi Y, Kaitani A, Okumura K, Teshima T, Kitamura T, Kitaura J
    • Journal Title

      Gut

      Volume: 印刷中 Issue: 5 Pages: 1-11

    • DOI

      10.1136/gutjnl-2014-308900

    • Related Report
      2016 Annual Research Report 2015 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] A critical role of ceramide-CD300f interaction in septic peritonitis.2016

    • Author(s)
      Izawa Kumi, Maehara Akie, Isobe Masamichi, Kaitani Ayako, Nakano Nobuhiro, Maeda Keiko, Takamori Ayako, Okumura Ko, Kitamura Toshio, Kitaura Jiro
    • Organizer
      第45回日本免疫学会
    • Place of Presentation
      Okinawa Convention Center・Laguna Garden Hotel
    • Year and Date
      2016-12-06
    • Related Report
      2016 Annual Research Report
  • [Presentation] The role of leukocyte mono-immunoglobulin-like receptor 8 (LMIR8)/CLM-6 in plasmacytoid dendritic cell (pDC)2016

    • Author(s)
      Kaitani Ayako, Izawa Kumi, Maehara Akie, Isobe Masamichi, Takamori Ayako, Uchida Shino, Nakano Nobuhiro, Maeda Keiko, Ando Tomoaki, Okumura Ko, Kitamura Toshio, Kitaura Jiro
    • Organizer
      第45回日本免疫学会
    • Place of Presentation
      Okinawa Convention Center・Laguna Garden Hotel
    • Year and Date
      2016-12-05
    • Related Report
      2016 Annual Research Report
  • [Presentation] 敗血症性腹膜炎におけるセラミド-CD300fシグナルの役割2016

    • Author(s)
      伊沢久未、奥村康、北浦次郎
    • Organizer
      第9回セラミド研究会学術集会
    • Place of Presentation
      東京ユビキタス協創広場CANVAS
    • Year and Date
      2016-10-27
    • Related Report
      2016 Annual Research Report
  • [Presentation] マスト細胞に発現する活性化型受容体LMIR7のアレルギー反応にける役割2016

    • Author(s)
      伊沢久未、奥村康、北村俊雄、北浦次郎
    • Organizer
      第65回日本アレルギー学会学術大会
    • Place of Presentation
      東京国際フォーラム
    • Year and Date
      2016-06-17
    • Related Report
      2016 Annual Research Report
  • [Presentation] The novel role of LMIR7/CLM-3 in mast cell- and IgE-dependent anaphylaxis2015

    • Author(s)
      磯部優理、伊沢久未、前原明絵、松川敏大、貝谷綾子、奥村康、北村俊雄、北浦次郎
    • Organizer
      日本免疫学会
    • Place of Presentation
      札幌コンベンションセンター
    • Year and Date
      2015-11-18
    • Related Report
      2015 Research-status Report
  • [Presentation] Disripting ceramide-LMIR3 interaction prevents bacterial sepsis by stimulating neutrophil recruitment2015

    • Author(s)
      伊沢久未、磯部優理、奥村康、北村俊雄、北浦次郎
    • Organizer
      日本臨床免疫学会
    • Place of Presentation
      神戸国際会議場
    • Year and Date
      2015-10-22
    • Related Report
      2015 Research-status Report
  • [Presentation] マウスおよびヒトLMIR3のリガンド同定と機能解析2015

    • Author(s)
      伊沢久未、奥村康、北村俊雄、北浦次郎
    • Organizer
      日本アレルギー学会
    • Place of Presentation
      グランドプリンスホテル新高輪
    • Year and Date
      2015-05-26
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2018-03-22  

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