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2022 Fiscal Year Final Research Report

Molecular signatures in pre-RA patients by multi-omics analysis

Research Project

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Project/Area Number 20H03720
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 54020:Connective tissue disease and allergy-related
Research InstitutionKeio University

Principal Investigator

TAKEUCHI Tsutomu  慶應義塾大学, 医学部(信濃町), 特任教授 (50179610)

Co-Investigator(Kenkyū-buntansha) 竹下 勝  慶應義塾大学, 医学部(信濃町), 講師 (10571135)
近藤 泰  慶應義塾大学, 医学部(信濃町), 助教 (50626380)
金子 祐子  慶應義塾大学, 医学部(信濃町), 教授 (60317112)
鈴木 勝也  慶應義塾大学, 医学部(信濃町), 准教授 (70306695)
Project Period (FY) 2020-04-01 – 2023-03-31
Keywords関節リウマチ / シングルセル解析 / 自己抗体 / 間質性肺炎
Outline of Final Research Achievements

In this study, in order to further improve the current treatment of rheumatoid arthritis and to clarify the pathogenesis leading to established RA, we performed a multi-omics analysis using synovial joint and lung lesion samples from early onset or pre-RA patients, combining the latest comprehensive analysis techniques. In particular, we were able to show that T cell-B cell associations and disease-specific autoantibody production precede lung lesions, and that suppression of these immune responses may lead to improved therapeutic outcomes.

Free Research Field

リウマチ膠原病内科

Academic Significance and Societal Importance of the Research Achievements

早期・超早期の関節リウマチの病変局所の免疫応答の詳細解析として、一連の解析手法を確立し、疾患の病態プロセスに関わる細胞群を同定することができた。本研究で得られた情報は今後の治療戦略を考える上で重要な手掛かりとなると考えられた。さらに本研究で明らかに出来た病変部位での免疫応答は広く全身性自己免疫疾患に共通するものである可能性が示唆され、他の疾患の病態研究に応用可能と考えられた。

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Published: 2024-01-30  

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