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Development of gene therapy for pulmonary fibrosis using adeno-associated virus vectors

Research Project

Project/Area Number 18K15932
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 53030:Respiratory medicine-related
Research InstitutionJichi Medical University

Principal Investigator

KUROSAKI Fumio  自治医科大学, 医学部, 講師 (60625705)

Project Period (FY) 2018-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2019: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
KeywordsAAVベクター / 肺線維症 / IL-10 / 肺線維症モデル / アデノ随伴ウイルスベクター / 遺伝子治療
Outline of Final Research Achievements

Our research goal was to develop gene therapy for an intractable disease called pulmonary fibrosis, using adeno-associated virus (AAV) vectors. We used the gene of an anti-inflammatory cytokine, IL-10, as a therapeutic gene and created recombinant AAV vectors that express IL-10. We delivered the recombinant AAV vectors into the lungs of bleomycin-induced pulmonary fibrosis models through the trachea. We found that the recombinant AAV vectors prevented the fibrosis from progressing in the lungs. The anti-fibrotic effects of IL-10 were verified by the histological prevention of fibrosis, increased survival rate, and reduced collagen production and pro-fibrotic cytokine, TGF-β1 in the lungs.

Academic Significance and Societal Importance of the Research Achievements

特発性肺線維症は、発症機序として、持続する慢性炎症と、肺傷害に対する過修復が推定されており、臨床現場では抗線維化作用を持つ薬剤が使用されている。しかし、未だ根治には至っていない現状がある。本研究では、抗炎症性サイトカインであるIL-10に着目し、IL-10遺伝子をAAVベクターに組み込むことで、ブレオマイシン肺線維症モデルマウスに効率良く遺伝子を導入し、生存率の向上と抗線維化効果の両方を示すことができた。本研究によって、IL-10を発現した組み換えAAVベクターが肺に特異的かつ長期に導入でき、肺の線維化を予防する効果を示せたことから、肺線維症に対する新たな治療法になりうる可能性が示唆された。

Report

(6 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (8 results)

All 2019 2018

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

  • [Journal Article] Progressive plasterer’s pneumoconiosis complicated by fibrotic interstitial pneumonia: a case report2019

    • Author(s)
      Kurosaki Fumio、Takemura Tamiko、Bando Masashi、Kuroki Tomonori、Numao Toshio、Moriyama Hiroshi、Hagiwara Koichi
    • Journal Title

      BMC Pulmonary Medicine

      Volume: 19 Issue: 1 Pages: 6-6

    • DOI

      10.1186/s12890-018-0776-4

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Pulmonary Mycobacterium heckeshornense infection in a healthy woman2018

    • Author(s)
      Kurosaki Fumio、Yoshimoto Taichiro、Nakayama Masayuki、Bando Masashi、Hagiwara Koichi
    • Journal Title

      Journal of Infection and Chemotherapy

      Volume: 24 Issue: 6 Pages: 483-486

    • DOI

      10.1016/j.jiac.2018.01.006

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] AAV6-mediated IL-10 expression in the lung ameliorates bleomycin-induced pulmonary fibrosis in mice2018

    • Author(s)
      Kurosaki F, Uchibori R, Sehara Y, Saga Y, Urabe M, Mizukami H, Hagiwara K, Kume A.
    • Journal Title

      Hum Gene Ther

      Volume: - Issue: 11 Pages: 1242-1251

    • DOI

      10.1089/hum.2018.024

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Efficient transduction of adeno-associated virus vectors into gerbil hippocampus with an appropriate combination of viral capsids and promoters2018

    • Author(s)
      Sehara Yoshihide、Shimazaki Kuniko、Kurosaki Fumio、Kaneko Naoki、Uchibori Ryosuke、Urabe Masashi、Kawai Kensuke、Mizukami Hiroaki
    • Journal Title

      Neuroscience Letters

      Volume: 682 Pages: 27-31

    • DOI

      10.1016/j.neulet.2018.06.009

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Survivin overexpression via adeno-associated virus vector Rh10 ameliorates ischemic damage after middle cerebral artery occlusion in rats2018

    • Author(s)
      Sehara Yoshihide、Inaba Toshiki、Urabe Takao、Kurosaki Fumio、Urabe Masashi、Kaneko Naoki、Shimazaki Kuniko、Kawai Kensuke、Mizukami Hiroaki
    • Journal Title

      European Journal of Neuroscience

      Volume: 48 Issue: 12 Pages: 3466-3476

    • DOI

      10.1111/ejn.14169

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] ブレオマイシン誘発肺線維症におけるIL-10発現AAVベクターの線維化抑制効果2019

    • Author(s)
      黒崎史朗、内堀亮介、瀬原吉英、水上浩明、萩原弘一、久米晃啓
    • Organizer
      第59回日本呼吸器学会学術講演会
    • Related Report
      2019 Research-status Report
  • [Presentation] アデノ随伴ウイルス(AAV)ベクターによる呼吸器細胞への最適な遺伝子導入法2018

    • Author(s)
      黒崎史朗、内堀亮介、間藤尚子、水上浩明、萩原弘一、久米晃啓
    • Organizer
      第58回日本呼吸器学会学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] 二度の気管支鏡検査で診断に至ったサルコイドーシスに器質化肺炎を合併した一例2018

    • Author(s)
      黒崎史朗、横須賀響子、野村由至、梅津貴史、沼尾利郎
    • Organizer
      第41回日本呼吸器内視鏡学会学術集会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2024-01-30  

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