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Novel roles of Rab27 and its effectors in allergic immune responses

Research Project

Project/Area Number 26461484
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Collagenous pathology/Allergology
Research InstitutionGunma University

Principal Investigator

OKUNISHI Katsuhide  群馬大学, 生体調節研究所, 講師 (50401112)

Project Period (FY) 2014-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsアレルギー / Th2 / Rab27 / 調節性分泌
Outline of Final Research Achievements

We sought to clarify the roles of Rab27 and its effectors in allergic immune responses. We confirmed that deficiency of some Rab27 effectors altered antigen-induced Th2 responses, suggesting that they play important roles in allergic immune responses. We also identified cells in which those effectors function to regulate allergic immune responses, and partially clarified the mechanisms of their actions in those immune cells.

Report

(5 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (12 results)

All 2018 2017 2016 2015 2014 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (8 results) Remarks (2 results)

  • [Journal Article] Exophilin-8 assembles secretory granules for exocytosis in the actin cortex via interaction with RIM-BP2 and myosin-VIIa2017

    • Author(s)
      Fan Fushun、Matsunaga Kohichi、Wang Hao、Ishizaki Ray、Kobayashi Eri、Kiyonari Hiroshi、Mukumoto Yoshiko、Okunishi Katsuhide、Izumi Tetsuro
    • Journal Title

      eLife

      Volume: 6 Pages: 1-23

    • DOI

      10.7554/elife.26174

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Distinct PKA regulatory subunits mediate PGE2 inhibition of TGFβ-1-stimulated collagen I translation and myofibroblast differentiation2017

    • Author(s)
      Wettlaufer Scott H.、Penke L. Raghu、Okunishi Katsuhide、Peters-Golden Marc
    • Journal Title

      American Journal of Physiology-Lung Cellular and Molecular Physiology

      Volume: 313 Issue: 4 Pages: L722-L731

    • DOI

      10.1152/ajplung.00131.2017

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Presentation] インスリンのALK7依存的な脂肪蓄積作用の解明2018

    • Author(s)
      奥西 勝秀、歩 云、泉 哲郎
    • Organizer
      第32回日本糖尿病・肥満動物学会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 脂肪組織におけるALK7シグナルの生理的役割の解明2017

    • Author(s)
      歩 云、奥西 勝秀、與五沢 里美、泉 哲郎
    • Organizer
      日本糖尿病・肥満動物学会
    • Place of Presentation
      はまぎんホール ヴィアマーレ(横浜)
    • Year and Date
      2017-02-10
    • Related Report
      2016 Research-status Report
  • [Presentation] Rab27 effector exophilin5 regulates IL-33 signaling in allergic immune responses2017

    • Author(s)
      Okunishi, Katsuhide
    • Organizer
      第46回日本免疫学会総会
    • Related Report
      2017 Annual Research Report
  • [Presentation] インスリンはGDF3-ALK7経路を介して脂肪蓄積を亢進させる2017

    • Author(s)
      奥西 勝秀、歩 云、與五沢 里美、泉 哲郎
    • Organizer
      第38回日本肥満学会
    • Related Report
      2017 Annual Research Report
  • [Presentation] I型TGF-beta受容体ALK7に対するリガンドの発現細胞ならびにその発現誘導因子の探索2016

    • Author(s)
      奥西 勝秀、與五沢 里美、泉 哲郎
    • Organizer
      日本肥満学会
    • Place of Presentation
      東京ファッションタウンビル(東京)
    • Year and Date
      2016-10-07
    • Related Report
      2016 Research-status Report
  • [Presentation] 脂肪組織におけるALK7リガンド産生細胞及びその誘導因子の同定2016

    • Author(s)
      歩 云、與五沢 里美、奥西 勝秀、泉 哲郎
    • Organizer
      北関東医学会
    • Place of Presentation
      群馬大学医学部刀城会館(前橋)
    • Year and Date
      2016-09-29
    • Related Report
      2016 Research-status Report
  • [Presentation] 白色脂肪組織におけるALK7リガンドの探索2015

    • Author(s)
      奥西 勝秀、與五沢 里美、泉 哲郎
    • Organizer
      日本肥満学会
    • Place of Presentation
      名古屋国際会議場
    • Year and Date
      2015-10-02
    • Related Report
      2015 Research-status Report
  • [Presentation] PGE2はT細胞上EP2受容体を介してアレルギー性気道炎症を抑制する2014

    • Author(s)
      奥西 勝秀
    • Organizer
      第26回日本アレルギー学会春季臨床大会
    • Place of Presentation
      国立京都国際会館(京都)
    • Year and Date
      2014-05-09
    • Related Report
      2014 Research-status Report
  • [Remarks] 群馬大学生体調節研究所 遺伝生化学分野 泉研究室

    • URL

      http://molend.showa.gunma-u.ac.jp/

    • Related Report
      2017 Annual Research Report 2014 Research-status Report
  • [Remarks] 群馬大学生体調節研究所 遺伝生化学分野 泉研究室 ホームページ

    • URL

      http://molend.showa.gunma-u.ac.jp/

    • Related Report
      2016 Research-status Report 2015 Research-status Report

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Published: 2014-04-04   Modified: 2019-03-29  

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