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The role of innate lymphoid cell in autoimmune uveitis

Research Project

Project/Area Number 18K16928
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 56060:Ophthalmology-related
Research InstitutionKyushu University

Principal Investigator

Hasegawa Eiichi  九州大学, 大学病院, 助教 (70636521)

Project Period (FY) 2018-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsぶどう膜炎 / MAIT細胞 / 自然リンパ球 / 非感染性ぶどう膜炎
Outline of Final Research Achievements

We investigated the role of mucosal associated invariant T(MAIT) cell, which was an innate lymphoid cell, in autoimmune uveitis using experimental autoimmune uveitis (EAU). FACS analysis revealed that the infiltration of MAIT cells into the eye was increased when EAU was induced. The severity of intraocular inflammation was significantly deteriorated in MAIT cell-deficient mice compared to wild-type mice. PCR analysis revealed that the expression of inflammatory cytokines was elevated in the eyes of MAIT cell-deficient mice. These results suggested that MAIT cell played a crucial role in suppressing autoimmune uveitis by regulation of inflammatory cytokine expression.

Academic Significance and Societal Importance of the Research Achievements

非感染性ぶどう膜炎の原因・詳細な発症機序については未だ解明されておらず、現在標準的に行われている治療は炎症を抑制するための対症的な治療のみであり、効果不十分や副作用出現など克服しなければならない課題も多い。本研究ではこれまで多く研究されているT細胞を主体とした獲得免疫系ではなく、自然リンパ球を対象としたぶどう膜炎の発症機序についての解析を行ない、その重要性を示した。

Report

(3 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • Research Products

    (1 results)

All 2020

All Presentation (1 results)

  • [Presentation] ぶどう膜炎における自然リンパ球の機能2020

    • Author(s)
      長谷川英一
    • Organizer
      第54回日本眼炎症学会
    • Related Report
      2019 Annual Research Report

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Published: 2018-04-23   Modified: 2021-02-19  

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