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Identification of Therapeutic Targets in Oral Lichen Planus: Pathogenic T Cells and Associated Enhancer RNAs

Research Project

Project/Area Number 22K18401
Research Category

Grant-in-Aid for Challenging Research (Pioneering)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 57:Oral science and related fields
Research InstitutionKyushu University

Principal Investigator

Nakamura Seiji  九州大学, 歯学研究院, 特任教授 (60189040)

Co-Investigator(Kenkyū-buntansha) 前原 隆  九州大学, 歯学研究院, 助教 (10637333)
森山 雅文  九州大学, 大学病院, 助教 (20452774)
村川 泰裕  国立研究開発法人理化学研究所, 生命医科学研究センター, チームリーダー (50765469)
Project Period (FY) 2022-06-30 – 2025-03-31
Project Status Completed (Fiscal Year 2024)
Budget Amount *help
¥25,740,000 (Direct Cost: ¥19,800,000、Indirect Cost: ¥5,940,000)
Fiscal Year 2024: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2023: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2022: ¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
Keywords口腔扁平苔癬 / T細胞 / エンハンサーRNA / 口腔扁平上皮癌 / シングルセルRNA / シングルセル
Outline of Research at the Start

口腔扁平苔癬(OLP) は、口腔粘膜の角化異常を伴う原因不明で難治性の慢性炎症性疾患であり、発症頻度も比較的高い疾患である。病理学的には基底膜直下へT 細胞を主体としたリンパ球の浸潤を特徴とすることから、このT 細胞が病因となり上皮下の基底細胞が障害の標的と考えられている。しかし、未だに病因は不明で、完全治癒は期待できず、ステロイドによる治療に終始するしかない。さらに、OLP は癌化する可能性があることから根治的な治療法の開発が求められている。そこで本研究では、シングルセル遺伝子発現解析を駆使して疾患関連細胞のスイッチ遺伝子を特定し、それらを標的とした次世代ゲノム医療への応用に繋げる。

Outline of Final Research Achievements

Oral lichen planus (OLP) is a chronic inflammatory mucosal disease characterized by abnormal keratinization. Despite its relatively high prevalence, its etiology remains unknown, it is resistant to treatment, and it is considered a potentially malignant disorder due to the risk of malignant transformation. Therefore, there is an urgent need to develop curative therapies through elucidation of its pathogenesis. To this end, the present study aims to isolate lymphocytes infiltrating the affected oral tissues of OLP patients and perform single-cell gene expression analysis to identify disease-specific T cells. Furthermore, by applying multiplex immunofluorescence staining to lesional tissues, we seek to identify T cell subsets involved in disease pathogenesis and to uncover upstream regulatory "switch" genes that activate the transcription factors driving these T cells.

Academic Significance and Societal Importance of the Research Achievements

OLPは粘膜基底層に多数のリンパ球が浸潤する疾患であり、癌化する可能性があるために口腔潜在的悪性疾患とされている。その一方で、病態は未だ不明であり、治療法はステロイド含漱や塗布などの対症療法のみであった。そこで我々は、OLPの罹患臓器の病態解析により、治療標的となる特定の極めて特異なT細胞のサブセットを同定し、詳細な発症の分子機構を明らかにすると共に、新たな治療標的分子を明らかにすることを目的とした。

Report

(4 results)
  • 2024 Final Research Report ( PDF )
  • 2023 Research-status Report
  • 2022 Comments on the Screening Results   Research-status Report
  • Research Products

    (14 results)

All 2024 2023

All Journal Article (8 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 8 results,  Open Access: 5 results) Presentation (1 results) (of which Invited: 1 results) Book (5 results)

  • [Journal Article] Granzyme K- and amphiregulin-expressing cytotoxic T cells and activated extrafollicular B cells are potential drivers of IgG4-related disease2024

    • Author(s)
      Koga Risako、Maehara Takashi、Aoyagi Ryuichi、Munemura Ryusuke、Murakami Yuka、Doi Atsushi、Kono Michihito、Yamamoto Hidetaka、Niiro Hiroaki、Kiyoshima Tamotsu、Tanabe Mika、Nakano Toshiaki、Matsukuma Yuta、Kawano Mitsuhiro、Stone John H.、Pillai Shiv、Nakamura Seiji、Kawano Shintaro
    • Journal Title

      Journal of Allergy and Clinical Immunology

      Volume: 153 Issue: 4 Pages: 1095-1112

    • DOI

      10.1016/j.jaci.2023.11.916

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Single-cell transcriptomics reveals granzyme K-expressing cytotoxic Tfh cells in tertiary lymphoid structures in IgG4-RD2024

    • Author(s)
      Aoyagi Ryuichi、Maehara Takashi、Koga Risako、Munemura Ryusuke、Tomonaga Tadashi、Murakami Yuka、Doi Atsushi、Yamamoto Hidetaka、Kiyoshima Tamotsu、Kawano Shintaro、Nakamura Seiji
    • Journal Title

      Journal of Allergy and Clinical Immunology

      Volume: 153 Issue: 2 Pages: 513-520.e10

    • DOI

      10.1016/j.jaci.2023.08.019

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Extracellular vesicles of iPS cells highly capable of producing HGF and TGF-β1 can attenuate Sj?gren's syndrome via innate immunity regulation2024

    • Author(s)
      Ogata Kenichi、Moriyama Masafumi、Kawado Tatsuya、Yoshioka Hiroki、Yano Aiko、Matsumura-Kawashima Mayu、Nakamura Seiji、Kawano Shintaro
    • Journal Title

      Cellular Signalling

      Volume: 113 Pages: 110980-110980

    • DOI

      10.1016/j.cellsig.2023.110980

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Extrafollicular IgD?CD27?CXCR5?CD11c? DN3 B cells infiltrate inflamed tissues in autoimmune fibrosis and in severe COVID-192023

    • Author(s)
      Allard-Chamard H、Kaneko N、Bertocchi A、Sun N、Boucau J、Kuo H、Farmer JR.、Perugino C、Mahajan VS.、Murphy SJ.H.、Premo K、Diefenbach T、Ghebremichael M、Yuen G、Kotta A、Akman Z、Lichterfeld M、Walker BD.、Yu XG.、Moriyama M、Maehara T、Nakamura S、Stone JH.、Padera RF.、Pillai S
    • Journal Title

      Cell Reports

      Volume: 42 Issue: 6 Pages: 112630-112630

    • DOI

      10.1016/j.celrep.2023.112630

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Immune dysregulation in immunoglobulin G4 related disease2023

    • Author(s)
      Maehara Takashi、Koga Risako、Nakamura Seiji
    • Journal Title

      Japanese Dental Science Review

      Volume: 59 Pages: 1-7

    • DOI

      10.1016/j.jdsr.2022.12.002

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Expansion of CD4+ cytotoxic T lymphocytes with specific gene expression patterns may contribute to suppression of tumor immunity in oral squamous cell carcinoma: single-cell analysis and in vitro experiments2023

    • Author(s)
      Chen Hu、Sameshima Junsei、Yokomizo Shiho、Sueyoshi Tomoki、Nagano Haruki、Miyahara Yuka、Sakamoto Taiki、Fujii Shinsuke、Kiyoshima Tamotsu、Guy Thomas、Nakamura Seiji、Moriyama Masafumi、Kaneko Naoki、Kawano Shintaro
    • Journal Title

      Frontiers in Immunology

      Volume: 14 Pages: 1305783-1305783

    • DOI

      10.3389/fimmu.2023.1305783

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Comparison of computed tomography findings between odontogenic keratocyst and ameloblastoma in the mandible: Criteria for differential diagnosis.2023

    • Author(s)
      Kaneko, N., Sameshima, J., Kawano, S., Chikui, T., Mitsuyasu, T., Chen, Hu, Sakamoto, T., and Nakamura, S
    • Journal Title

      J. Oral Maxillofac. Surg. Med. Pathol.

      Volume: 35 Pages: 15-22

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Id4 modulates salivary gland homeostasis and its expression is downregulated in IgG4-related disease via miR-486-5p2023

    • Author(s)
      1.Hayashi Y, Kimura S, Yano E, Yoshimoto S, Saeki A, Yasukochi A, Hatakeyama Y, Moriyama M, Nakamura S, Jimi E, Kawakubo-Yasukochi T.
    • Journal Title

      Biochim Biophys Acta Mol Cell Res

      Volume: 1870(2) Issue: 2 Pages: 119404-119404

    • DOI

      10.1016/j.bbamcr.2022.119404

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 口腔科学・口腔外科学を志す後進の先生方へ ~失敗を恐れず、失敗から学べ~2023

    • Author(s)
      中村誠司
    • Organizer
      第56回NPO法人日本口腔科学会九州地方部会特別講演(退任記念講演)
    • Related Report
      2023 Research-status Report
    • Invited
  • [Book] B細胞とT細胞から紐解くIgG4関連疾患の病態形成メカニズム2024

    • Author(s)
      坂本瑞樹、金子直樹、森山雅文、前原 隆、中村誠司
    • Total Pages
      7
    • Publisher
      臨床と病理
    • Related Report
      2023 Research-status Report
  • [Book] 「最新の骨粗鬆症学(第2版) ―骨粗鬆症の最新知見―」2023

    • Author(s)
      中村誠司
    • Total Pages
      8
    • Publisher
      日本臨牀
    • Related Report
      2023 Research-status Report
  • [Book] IgG4関連疾患と木村病における疾患特異的な濾胞性T細胞.2023

    • Author(s)
      前原 隆、宗村龍祐、古賀 理紗子、中村誠司
    • Total Pages
      8
    • Publisher
      臨床免疫・アレルギー科
    • Related Report
      2023 Research-status Report
  • [Book] 口腔癌2023

    • Author(s)
      中村誠司
    • Total Pages
      17
    • Publisher
      医歯薬出版
    • Related Report
      2023 Research-status Report
  • [Book] 標準口腔外科学 第5版2023

    • Author(s)
      中村誠司
    • Total Pages
      12
    • Publisher
      医学書院
    • Related Report
      2023 Research-status Report

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Published: 2022-07-05   Modified: 2026-01-16  

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