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2023 Fiscal Year Final Research Report

Role of T-bet+ effector B cells in autoimmune diseases

Research Project

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Project/Area Number 21K08460
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 54020:Connective tissue disease and allergy-related
Research InstitutionKyushu University

Principal Investigator

Niiro Hiroaki  九州大学, 医学研究院, 教授 (20380636)

Project Period (FY) 2021-04-01 – 2024-03-31
Keywords自己免疫疾患 / B細胞 / 免疫学
Outline of Final Research Achievements

The clinical efficacy of B cell-targeted therapy for autoimmune diseases has revealed the presence of effector B cells (Beffs) that exert antibody-independent functions. In this study, T-bet+Beffs were induced by their interaction with CD4+ and CD8+ T cells and altered non-B cell functions via IFN-γ production. The role of T-bet+Beffs in the pathogenesis of autoimmune diseases such as SLE was also revealed.

Free Research Field

リウマチ学

Academic Significance and Societal Importance of the Research Achievements

これまでの研究から、B細胞には病原性ならびに制御性サブセットの両方が存在することが示唆される。自己免疫疾患に対する現在のB細胞標的療法は、これら両方のサブセットを無差別に標的とするものである。本研究で得られた知見は、本疾患における病原性サブセットのみを標的とした理想的B細胞標的療法の開発につながる可能性がある。

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Published: 2025-01-30  

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