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Establishment of a unitary pathogenesis hypothesis for systemic sclerosis based on B cells, IL-6 and IL-17

Research Project

Project/Area Number 21H02939
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 53050:Dermatology-related
Research InstitutionThe University of Tokyo

Principal Investigator

Sato Shinichi  東京大学, 医学部附属病院, 教授 (20215792)

Co-Investigator(Kenkyū-buntansha) 吉崎 歩  東京大学, 医学部附属病院, 特任准教授 (40530415)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2023: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2022: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
Fiscal Year 2021: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Keywords強皮症 / 自己免疫 / B細胞 / サイトカイン / 新規治療法開発 / IL-6 / IL-17
Outline of Research at the Start

全身性強皮症の病態は複雑であり、肺、皮膚などの線維化、皮膚潰瘍、肺高血圧症といった多彩な血管障害、そして自己抗体産生などの免疫異常を呈する。さらにこれまで有効性が確認された治療は僅かであり、これらの多彩な病態を一元的に説明する病態仮説を提示することは困難であった。申請者は医師主導治験にてSScで、リツキシマブ(抗CD20抗体)によるB細胞除去療法の有効性を世界で初めて証明した。本研究では、B細胞を中心として、IL-17、IL-6といった治療ターゲットに基づいた病態仮説を提示し検証することが目的である。

Outline of Final Research Achievements

The pathogenesis of systemic sclerosis (SSc) is complex, with fibrosis of the lungs and skin, skin ulcers, various vascular damage such as pulmonary hypertension, and immune abnormalities such as autoantibody production. Furthermore, only two treatments (cyclophosphamide and nintedanib) have so far been validated for SSc, making it difficult to propose a pathological hypothesis to explain these diverse conditions in a unified manner. Based on the results of the investigator-initiated clinical trial of rituximab and the exploratory phase I study of brodalumab, both conducted at the applicant's institution, this study proposed a B-cell-based pathological hypothesis and tested this SSc pathological hypothesis from various aspects.

Academic Significance and Societal Importance of the Research Achievements

本研究は、SScにおけるB細胞、IL-6、IL-17を中心とした病態仮説について検討した。これまでSScの病態を説明しうる病態仮説はほとんど提示されてきていない。その理由として、SScの病態が複雑なために一元化された病態仮説を作成することが困難であったこと、そして病態仮説を作成するために必須である、SScに有効性が証明された薬剤が極めて少ないことが挙げられる。本研究では、実際に有効性が認められた薬剤のターゲットに基づき、SScにおける主要病態を説明しうる仮説を見いだした点が意義深い。この病態仮説は他の自己免疫疾患においても応用可能であり、新規治療法が見いだされることが期待される。

Report

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

    (15 results)

All 2024 2023 2022 2021

All Journal Article (10 results) (of which Int'l Joint Research: 9 results,  Peer Reviewed: 10 results,  Open Access: 10 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 2 results)

  • [Journal Article] The role of B cells in systemic sclerosis2024

    • Author(s)
      Fukasawa Takemichi、Yoshizaki‐Ogawa Asako、Sato Shinichi、Yoshizaki Ayumi
    • Journal Title

      The Journal of Dermatology

      Volume: - Issue: 7 Pages: 904-913

    • DOI

      10.1111/1346-8138.17134

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Autoantibodies to nuclear valosin-containing protein-like protein: systemic sclerosis-specific antibodies revealed by in vitro human proteome2024

    • Author(s)
      Matsuda Kazuki M, Fukasawa Takemichi et al.
    • Journal Title

      Rheumatology

      Volume: - Issue: 10 Pages: 2865-2873

    • DOI

      10.1093/rheumatology/keae063

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The Autoantibody Array Assay: A Novel Autoantibody Detection Method2023

    • Author(s)
      Norimatsu Yuta、Matsuda Kazuki Mitsuru、Yamaguchi Kei、Ono Chihiro、Okumura Taishi、Kogo Emi、Kotani Hirohito、Hisamoto Teruyoshi、Kuzumi Ai、Fukasawa Takemichi、Yoshizaki-Ogawa Asako、Goshima Naoki、Sato Shinichi、Yoshizaki Ayumi
    • Journal Title

      Diagnostics

      Volume: 13 Issue: 18 Pages: 2929-2929

    • DOI

      10.3390/diagnostics13182929

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Comprehensive autoantibody profiling in systemic autoimmunity by a highly-sensitive multiplex protein array2023

    • Author(s)
      Kuzumi Ai、Norimatsu Yuta、Matsuda Kazuki M.、Ono Chihiro、Okumura Taishi、Kogo Emi、Goshima Naoki、Fukasawa Takemichi、Fushida Natsumi、Horii Motoki、Yamashita Takashi、Yoshizaki-Ogawa Asako、Yamaguchi Kei、Matsushita Takashi、Sato Shinichi、Yoshizaki Ayumi
    • Journal Title

      Frontiers in Immunology

      Volume: 14 Pages: 1255540-1255540

    • DOI

      10.3389/fimmu.2023.1255540

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Utility of nailfold capillary assessment for predicting pustulotic arthro-osteitis in palmoplantar pustulosis based on a prospective cohort study2023

    • Author(s)
      Fukasawa Takemichi、Yamashita Takashi、Enomoto Atsushi、Toyama Satoshi、Yoshizaki-Ogawa Asako、Tateishi Shoko、Kanda Hiroko、Miyagawa Kiyoshi、Sato Shinichi、Yoshizaki Ayumi
    • Journal Title

      Journal of the American Academy of Dermatology

      Volume: 89 Issue: 5 Pages: 984-991

    • DOI

      10.1016/j.jaad.2023.07.1014

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Significance of anti-transcobalamin receptor antibodies in cutaneous arteritis revealed by proteome-wide autoantibody screening2023

    • Author(s)
      Matsuda K, Kotani H, Yoshizaki A, et al.
    • Journal Title

      Journal of Autoimmunity

      Volume: 135 Pages: 102995-102995

    • DOI

      10.1016/j.jaut.2023.102995

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Rapid improvement of systemic sclerosis-associated intestinal pseudo-obstruction with intravenous immunoglobulin administration.2023

    • Author(s)
      Matsuda KM, Yoshizaki A, Kuzumi A, Toyama S, Awaji K, Miyake T, Sato S.
    • Journal Title

      Rheumatology (Oxford)

      Volume: - Issue: 9 Pages: 3139-3145

    • DOI

      10.1093/rheumatology/kead093

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Long-term outcomes after rituximab treatment for patients with systemic sclerosis: follow-up of the DESIRES trial with a focus on serum immunoglobulin levels2023

    • Author(s)
      Kuzumi A, Ebata S, Fukasawa T, Matsuda KM, Kotani H, Yoshizaki-Ogawa A, Sato S, Yoshizaki A
    • Journal Title

      JAMA Dermatol

      Volume: - Issue: 4 Pages: 374-374

    • DOI

      10.1001/jamadermatol.2022.6340

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] New Era in Systemic Sclerosis Treatment: Recently Approved Therapeutics2022

    • Author(s)
      Ebata S, Yoshizaki-Ogawa A, Yoshizaki A.
    • Journal Title

      Journal of Clinical Medicine

      Volume: 11 Issue: 15 Pages: 4631-4631

    • DOI

      10.3390/jcm11154631

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Interleukin-31 promotes fibrosis and T helper 2 polarization in systemic sclerosis2021

    • Author(s)
      Kuzumi Ai、Yoshizaki Ayumi、Matsuda Kazuki M.、Kotani Hirohito、Norimatsu Yuta、Fukayama Maiko、Ebata Satoshi、Fukasawa Takemichi、Yoshizaki-Ogawa Asako、Asano Yoshihide、Morikawa Kyojiro、Kazoe Yutaka、Mawatari Kazuma、Kitamori Takehiko、Sato Shinichi
    • Journal Title

      Nature Communications

      Volume: 12 Issue: 1 Pages: 5-5

    • DOI

      10.1038/s41467-021-26099-w

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] The role of B cells in systemic sclerosis2024

    • Author(s)
      Yuta Norimatsu, Takemichi Fukasawa, Yoshinori Kabeya, Fukasawa T, Yoshizaki A, Yoshizaki-Ogawa A, Sato S Toyama, Kazuki M Matsuda, Maiko Fukayama, Ai Kuzumi, Satoshi Ebata, Asako Yoshizaki-Ogawa, Haruka Ichimura, Sho Yonezawa, Hiroki Nakano, Makoto Sugaya, Shinichi Sato, and Ayumi Yoshizaki
    • Organizer
      5th International Conference on Cutaneous Lupus Erythematosus 2023 (ICCLE 2023), ISID2023 Tokyo Satellite Meeting
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] In vitroヒトプロテオームと生物情報科学の融合による自己抗体オミクス解析2024

    • Author(s)
      松田和樹、岩藤和広、小谷紘史、山口圭、奥村大志、小野千紘、内野莉加子、村上有美、松中浩、蔵野信、矢冨裕、岡本耕、森屋恭爾、河野正憲、岡本僚久、庄田宏文、藤尾圭志、五島直樹、吉崎歩、佐藤伸一
    • Organizer
      第51回日本臨床免疫学会総会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 全身性強皮症における抗Ki抗体と筋症状の関連2024

    • Author(s)
      松田和樹、小谷紘史、乗松雄大、遠山聡、佐藤伸一、吉崎歩
    • Organizer
      第122回日本皮膚科学会総会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 全身性強皮症に対するリツキシマブの長期投与における有効性と血清免疫グロブリンの臨床的意義2024

    • Author(s)
      久住藍、江畑慧、深澤毅倫、佐藤伸一、吉崎歩
    • Organizer
      第122回日本皮膚科学会総会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Long-term efficacy of rituximab in patients with systemic sclerosis: follow-up of the DESIRES trial with a focus on immunoglobulin levels2024

    • Author(s)
      Kuzumi A, Ebata S, Fukasawa T, Sato S, Yoshizaki A
    • Organizer
      5th International Conference on Cutaneous Lupus Erythematosus 2023 (ICCLE 2023), ISID2023 Tokyo Satellite Meeting
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited

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Published: 2021-04-28   Modified: 2025-01-30  

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