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The role of type 1 IFN in the pathogenesis of SLE

Research Project

Project/Area Number 19K17881
Research Category

Grant-in-Aid for Early-Career Scientists

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

Principal Investigator

Iwamoto Taro  千葉大学, 医学部附属病院, 助教 (80835083)

Project Period (FY) 2019-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2019: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords全身性エリテマトーデス / Ⅰ型インターフェロン / 1型インターフェロン / SLE / ループス腎炎 / ポドサイト
Outline of Research at the Start

全身性エリテマトーデス(SLE)は高親和性の自己抗体産生とその免疫複合体形成による、全身の臓器障害を特徴とする予後不良の自己免疫疾患である。SLEにおいては依然としてステロイド及び免疫抑制薬による治療がその中心であり、治療予後に大きな改善が得られているとは言い難く、ループス腎炎(LN)などの根本的治療法は未だ開発されていない。近年、SLEの発症及び病態形成にはI型インターフェロン(IFN)が深く関与していることが示唆されている。本研究は、SLEの疾患活動性マーカー並びに治療ターゲットとしての新規IFN経路関連分子を同定することで、次世代のLN治療戦略基盤を構築する。

Outline of Final Research Achievements

This project was aimed to investigate the role of type Ⅰ IFN (IFN) in the pathogenesis of SLE and find potential therapeutic targets in the IFN pathways. From our previous study, the expression level of IFN in SLE patients was largely different among different ancestral backgrounds. Thus, we sought to examine the IFN level in Japanese SLE patients. Serum IFN was elevated in Japanese SLE patients. A new mouse model of lupus also showed high IFN pathway activation, especially in the nephritis kidney. Together, it is plausible that IFN pathway molecule would be a novel therapeutic target in Japanese SLE patients.

Academic Significance and Societal Importance of the Research Achievements

全身性エリテマトーデス(SLE)は、自己抗体産生と免疫複合体形成による全身の臓器障害を特徴とする難治性自己免疫疾患であり、妊娠可能年齢の女性に好発する。他の膠原病に対しては新規治療薬の開発が進む中で、SLE治療は依然としてステロイド及び免疫抑制薬による非特異的免疫抑制がその中心であり、ループス腎炎を始めとする難治性病態に対する特異的治療法は開発されていない。近年、Ⅰ型インターフェロン(IFN)が他の膠原病に比べSLEにで有意に上昇しており、各種臓器障害との関連も示唆されている。本研究により、IFN経路を標的としたSLEの新規治療法開発の基盤を構築することが期待される。

Report

(3 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • Research Products

    (6 results)

All 2021 2020 2019

All Journal Article (4 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 3 results) Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Suppressor of cytokine signaling 3 (SOCS3) expressed in podocytes attenuates glomerulonephritis and suppresses autoantibody production in an imiquimod-induced lupus model.2021

    • Author(s)
      Fukuta T, Suzuki K, KojimaS, Yabe Y, Suzuki K, Iida K, Yamada H, Makino S, Iwata A, Tanaka S, Iwamoto T, Suto A, Nakagomi D, Wakashin H, Maezawa Y, Maezawa Y, Takemoto M, Asanuma K, Nakajima H.
    • Journal Title

      Lupus Science & Medicine

      Volume: in press

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Prognosis and treatment of myositis-associated severe interstitial lung disease: A descriptive study using a nation-wide inpatient database.2021

    • Author(s)
      Furuya H, Nakajima M, Ikeda K, Nakamura K, Ohbe H, Iwamoto T, Iwata A, Furuta S, Matsui H, Fushimi K, Yasunaga H, Nakajima H.
    • Journal Title

      Arthritis Care & Research

      Volume: in press

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Sox12 enhances Fbw7-mediated ubiquitination and degradation of GATA3 in Th2 cells2020

    • Author(s)
      Suehiro Ken-Ichi、Suto Akira、Suga Kensuke、Furuya Hiroki、Iwata Arifumi、Iwamoto Taro、Tanaka Shigeru、Kageyama Takahiro、Suzuki Kotaro、Hirose Koichi、Lefebvre V?ronique、Nakajima Hiroshi
    • Journal Title

      Cellular & Molecular Immunology

      Volume: 0 Issue: 7 Pages: 0-0

    • DOI

      10.1038/s41423-020-0384-0

    • Related Report
      2020 Annual Research Report 2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Update on eosinophilic granulomatosis with polyangiitis2019

    • Author(s)
      Furuta Shunsuke、Iwamoto Taro、Nakajima Hiroshi
    • Journal Title

      Allergology International

      Volume: 68 Issue: 4 Pages: 430-436

    • DOI

      10.1016/j.alit.2019.06.004

    • NAID

      130007733177

    • ISSN
      1323-8930, 1440-1592
    • Related Report
      2019 Research-status Report
  • [Presentation] Prognosis and Treatments of Patients with Myositis-associated Severe Interstitial Lung Disease: A Descriptive Study Using National Inpatient Database in Japan.2020

    • Author(s)
      Furuya H, Nakajima M, Ikeda K, Nakamura K, Iwamoto T, Iwata A, Matsui H, Yasunaga H, Nakajima H
    • Organizer
      APLAR 2020 (Kyoto, Japan)
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Serum High Type I Interferon is Associated with Active Proliferative Lupus Nephritis in Lupus Patients Accompanied with High Interferon Signature Gene Expression and Plasmacytoid Dendritic Cell Infiltration in Lupus Nephritis Kidney and Leads to Podocyte Damage.2019

    • Author(s)
      Iwamoto T, Dorschner JM, Jensen MA, Selvaraj S, Vsetecka D, Amin S, Makol A, Ernste FC, Osborn T, Moder K, Chowdhary VR, Mezzano V, Izmirly P, Belmont M, Clancy RM, Buyon JP, Wu M, Loomis CA, Nakajima H, Niewold TB.
    • Organizer
      第63回日本リウマチ学会総会・学術集会
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2022-01-27  

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