• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Role of T cell on lung homeostasis and dieseases

Research Project

Project/Area Number 21K08205
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 53030:Respiratory medicine-related
Research InstitutionEhime University

Principal Investigator

Kuwahara Makoto  愛媛大学, 医学系研究科, 講師 (00568214)

Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2023: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2022: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2021: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
KeywordsT細胞自然免疫応答 / Bach2 / IL-7R / IL-33R / アレルギー性気道炎症 / 肺胞蛋白症 / IL-33R+ Th2 / T細胞 / 気道炎症
Outline of Research at the Start

転写因子Bach2の一塩基多型は様々な臓器特異的免疫疾患と関連することが報告されている。申請者はT細胞特異的Bach2欠損マウスの肺で、IL-33受容体陽性(IL-33R+)Th2細胞が増加し、アレルギー性気道炎症が自然発症すること、T細胞特異的Bach2トランスジェニックマウスの肺で、Tregが増加して肺胞蛋白症が自然発症することを見出した。そこで本研究では、T細胞のBach2の発現異常がT細胞の機能不全と、それに伴う呼吸器疾患を引き起こすことを明らかにする。最終的には、T細胞のBach2の適切な発現調節が肺の恒常性に重要であり、その破綻が呼吸器疾患誘発するという新規概念の提唱を目指す。

Outline of Final Research Achievements

A reduction in Bach2 expression in lung CD4 T cells was found to activate IL-7-mTOR signalling in Th2 cells, leading to the differentiation of IL-33R+ Th2 cells. These IL-33R+ Th2 cells then prolonged Th2 innate immune responses in the lung environment in an IL-7/IL-33-dependent manner, ultimately leading to the development of chronic allergic airway inflammation. Interestingly, the absence of reduced Bach2 expression in Treg and CD8 T cells in the lungs led to the formation of an alveolar proteinosis-like pathology. These findings highlight the complex interplay between Bach2 expression and the maintenance of lung homeostasis.

Academic Significance and Societal Importance of the Research Achievements

T 細胞における Bach2 の発現不全が 不適切な免疫応答を誘導し、それにより肺の恒常性が破綻することで様々な呼吸器疾患が発症するという新規概念の提唱を目指す本申請研究は、学術的な独自性が極めて高い。また、本研究の進展によって得られた成果により、呼吸器疾患発症の新規メカニズムを提唱できるだけでなく、Bach2 下流分子を標的とした新規治療法の開発研究に発展する可能性が高い。つまり本申請研究は、「T 細胞による肺恒常性維持という新規概念の提唱」、「呼吸器疾患の発症機構の統合的理解」、「呼吸器疾患の新規治療戦略の提唱」という3つの側面を持つ創造性の高い研究である。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (11 results)

All 2023 2022 2021 Other

All Journal Article (6 results) (of which Peer Reviewed: 3 results,  Open Access: 2 results) Presentation (3 results) Remarks (2 results)

  • [Journal Article] The early neutrophil-committed progenitors aberrantly differentiate into immunoregulatory monocytes during emergency myelopoiesis2023

    • Author(s)
      Ikeda Naoki、Kubota Hiroaki、Suzuki Risa、Morita Mitsuki、Nishiyama Akira、Tamura Tomohiko、Kamatani Takashi、Tsunoda Tatsuhiko、Murakawa Miyako、Asahina Yasuhiro、Hayashi Yoshihiro、Harada Hironori、Harada Yuka、Yokota Asumi、Hirai Hideyo、Seki Takao、Tanaka Masato、Asano Kenichi
    • Journal Title

      Cell Reports

      Volume: 42 Pages: 112165~112165

    • DOI

      10.1016/j.celrep.2023.112165

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
  • [Journal Article] The Inhibition of Glycolysis in T Cells by a Jak Inhibitor Ameliorates the Pathogenesis of Allergic Contact Dermatitis in Mice2023

    • Author(s)
      Okamoto Michiko、Omori-Miyake Miyuki、Kuwahara Makoto、Okabe Masataka、Eguchi Mariko、Yamashita Masakatsu
    • Journal Title

      Journal of Investigative Dermatology

      Volume: 143 Pages: 1973~1982.e5

    • DOI

      10.1016/j.jid.2023.03.1667

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
  • [Journal Article] The histone demethylase Utx controls <scp>CD8</scp><sup>+</sup> T‐cell‐dependent antitumor immunity via epigenetic regulation of the effector function2023

    • Author(s)
      Noda Haruna、Suzuki Junpei、Matsuoka Yuko、Matsumoto Akira、Kuwahara Makoto、Kamei Yoshiaki、Takada Yasutsugu、Yamashita Masakatsu
    • Journal Title

      Cancer Science

      Volume: 114 Pages: 2787~2797

    • DOI

      10.1111/cas.15814

    • Related Report
      2023 Annual Research Report
  • [Journal Article] The histone demethylase Utx controls <scp>CD8</scp> <sup>+</sup> T‐cell‐dependent antitumor immunity via epigenetic regulation of the effector function2023

    • Author(s)
      Noda Haruna、Suzuki Junpei、Matsuoka Yuko、Matsumoto Akira、Kuwahara Makoto、Kamei Yoshiaki、Takada Yasutsugu、Yamashita Masakatsu
    • Journal Title

      Cancer Science

      Volume: - Pages: -

    • DOI

      10.1111/cas.15814

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Glucocorticoid imprints a low glucose metabolism onto CD8 T cells and induces the persistent suppression of the immune response2022

    • Author(s)
      Konishi Amane、Suzuki Junpei、Kuwahara Makoto、Matsumoto Akira、Nomura Shunsuke、Soga Tomoyoshi、Yorozuya Toshihiro、Yamashita Masakatsu
    • Journal Title

      Biochemical and Biophysical Research Communications

      Volume: 588 Pages: 34~40

    • DOI

      10.1016/j.bbrc.2021.12.050

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] The Loss of H3K27 Histone Demethylase Utx in T Cells Aggravates Allergic Contact Dermatitis2021

    • Author(s)
      Inoue Takashi、Omori-Miyake Miyuki、Maruyama Saho、Okabe Masataka、Kuwahara Makoto、Honda Hiroaki、Miura Hiromasa、Yamashita Masakatsu
    • Journal Title

      The Journal of Immunology

      Volume: 207 Pages: 2223~2234

    • DOI

      10.4049/jimmunol.2001160

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Presentation] Bach2 controls IL-33-dependent innate Th2 cell response through regulation of Jmjd3 (Kdm6b), a histoneH3K27me2/3 demethylase2023

    • Author(s)
      Makoto Kuwahara, Junpei Suzuki, Akira Matsumoto, Yukihiro Nakamura, Hiroaki Honda, Naohiko Hamaguchi, Osamu Yamaguchi, Masakatsu Yamashita
    • Organizer
      第72回日本アレルギー学会学術大
    • Related Report
      2023 Annual Research Report
  • [Presentation] A thioamide-related small compound SH-2251, an inhibitor of transcriptional repressor Gfi1 expression, inhibits IL-7/IL-33-dependent innate Th2 response and Th2-type chronic lung inflammation2022

    • Author(s)
      Kuwahara Makoto, Suzuki Junpei, Maruyama Saho, Nakamura Yukihiro, Hamaguchi Naohiko, Yamaguchi Osamu, Yamashita Masakatsu
    • Organizer
      第71回日本アレルギー学会学術大
    • Related Report
      2022 Research-status Report
  • [Presentation] Transcriptional repressor Gfi1 induces IL-7/IL-33-dependent innate-like Th2 responses by activating cellular metabolism2021

    • Author(s)
      桑原 誠、山下 政克
    • Organizer
      第70回日本アレルギー学会
    • Related Report
      2021 Research-status Report
  • [Remarks] 愛媛大学大学院医学系研究科免疫学・感染防御学

    • URL

      https://www.m.ehime-u.ac.jp/school/immunology/

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
  • [Remarks] 愛媛大学免疫学感染防御学

    • URL

      https://www.m.ehime-u.ac.jp/school/immunology/

    • Related Report
      2021 Research-status Report

URL: 

Published: 2021-04-28   Modified: 2025-11-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi