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Development of bacterial flora editing technology for overcoming diseases caused by bacterial flora disorder

Research Project

Project/Area Number 21K19488
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 53:Organ-based internal medicine and related fields
Research InstitutionJichi Medical University

Principal Investigator

Cui Longzhu  自治医科大学, 医学部, 教授 (50306932)

Co-Investigator(Kenkyū-buntansha) 渡邊 真弥  自治医科大学, 医学部, 准教授 (60614956)
氣駕 恒太朗  国立感染症研究所, 治療薬・ワクチン開発研究センター, 室長 (90738246)
相羽 由詞  自治医科大学, 医学部, 助教 (60783694)
佐藤 祐介  自治医科大学, 医学部, 助教 (20757265)
Project Period (FY) 2021-07-09 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2022: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2021: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywords生体細菌叢 / ファージ / CRISPR-Cas13 / Colibactin / Bacteriophage / Cancer / 腸内細菌叢 / 抗菌カプシド / 大腸菌 / 選択的殺菌
Outline of Research at the Start

生体細菌叢の乱れが様々な疾病に関わっていることは明らかであり、その関連研究は国内外問わず活発に行われている。しかし現状では、プロバイオティクスにより生体細菌叢に特定の細菌種を追加することは可能であるが、特定の細菌のみを選択的に取り除く方法はない。そのため、特定の細菌と疾病との因果関係を同定することは困難であり、生体内細菌叢の研究や関連医薬品の開発に大きな障害が生じている。この問題の解決に向け、本研究では独自に開発した遺伝子標的型のCRISPR-Cas13抗菌カプシド技術を利用して、狙った細菌のみを選択的に取り除く細菌叢の編集技術を開発する。

Outline of Final Research Achievements

The dysbiosis of the human microbiota has been implicated in various pathological conditions. However, the current lack of a method for targeted eradication of specific bacteria, including pathogenic strains, hampers the identification of causative relationships between particular bacteria and diseases. This limitation poses significant challenges to research endeavors and pharmaceutical development. To overcome this hurdle, our study aims to develop a bacterial community editing technology utilizing our novel CRISPR-Cas13 antibacterial capsid technique (patent application 2018-97751). This innovative approach allows for the selective removal of desired bacteria, thereby paving the way for accurate characterization and investigation of their roles in disease pathogenesis. We have successfully established the foundational techniques and are now actively pursuing further advancements towards practical implementation.

Academic Significance and Societal Importance of the Research Achievements

本研究は、生体細菌叢の乱れに起因する疾病の起因菌の同定、疾病メカニズムの解明と起因菌に対する効率的な抗菌治療などを可能にする基盤技術の創生である。本研究は、これまでに不可能であると思われた「細菌叢内の特定遺伝子を有する細菌の殺菌」を実現することで、生体内細菌叢研究やエビデンスに基づく創薬の発展に新たな道筋を切り拓く挑戦的な研究である。本技術は、医学細菌のみならず、家畜、植物、土壌、生活空間に生息するいかなる細菌にも応用できるため、細菌叢の再構築を目的とした治療や、畜産、農業、環境保全、食品製造など様々な細菌制御領域に革新的な発展をもたらすことができる。

Report

(3 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • Research Products

    (9 results)

All 2022 2021

All Journal Article (6 results) (of which Peer Reviewed: 6 results,  Open Access: 4 results) Presentation (3 results) (of which Int'l Joint Research: 1 results,  Invited: 3 results)

  • [Journal Article] Automated amplification-free digital RNA detection platform for rapid and sensitive SARS-CoV-2 diagnosis2022

    • Author(s)
      Shinoda Hajime、Iida Tatsuya、Makino Asami、Yoshimura Mami、Ishikawa Junichiro、Ando Jun、Murai Kazue、Sugiyama Katsumi、Muramoto Yukiko、Nakano Masahiro、Kiga Kotaro、Cui Longzhu、Nureki Osamu、Takeuchi Hiroaki、Noda Takeshi、Nishimasu Hiroshi、Watanabe Rikiya
    • Journal Title

      Communications Biology

      Volume: 5 Issue: 1 Pages: 473-473

    • DOI

      10.1038/s42003-022-03433-6

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] CRISPR/Cas搭載の遺伝子標的型抗菌ファージの開発2022

    • Author(s)
      渡邊真弥,崔龍洙
    • Journal Title

      実験医学

      Volume: 40 Pages: 2992-2992

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] CRISPR-Cas殺菌技術の薬剤耐性菌対策への適用2022

    • Author(s)
      相羽由詞、崔龍洙
    • Journal Title

      ゲノム編集技術

      Volume: 2022 Pages: 227-227

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Bacteriophages as Solid Tumor Theragnostic Agents2021

    • Author(s)
      Veeranarayanan Srivani、Azam Aa Haeruman、Kiga Kotaro、Watanabe Shinya、Cui Longzhu
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 23 Issue: 1 Pages: 402-402

    • DOI

      10.3390/ijms23010402

    • Related Report
      2022 Annual Research Report 2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Role of CRISPR-Cas system on antibiotic resistance patterns of Enterococcus faecalis2021

    • Author(s)
      Gholizadeh Pourya、Aghazadeh Mohammad、Ghotaslou Reza、Rezaee Mohammad Ahangarzadeh、Pirzadeh Tahereh、Cui Longzhu、Watanabe Shinya、Feizi Hadi、Kadkhoda Hiva、Kafil Hossein Samadi
    • Journal Title

      Annals of Clinical Microbiology and Antimicrobials

      Volume: 20 Issue: 1 Pages: 999-999

    • DOI

      10.1186/s12941-021-00455-6

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Bacteriophage Technology and Modern Medicine2021

    • Author(s)
      Azam Aa Haeruman、Tan Xin-Ee、Veeranarayanan Srivani、Kiga Kotaro、Cui Longzhu
    • Journal Title

      Antibiotics

      Volume: 10 Issue: 8 Pages: 999-999

    • DOI

      10.3390/antibiotics10080999

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 細菌感染症創薬に向けた新規抗菌カプシドの技術基盤の創出2022

    • Author(s)
      1.崔龍洙
    • Organizer
      第96回日本感染症学会総会・学術講演会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] バクテリオファージと細菌感染症2022

    • Author(s)
      2.崔龍洙
    • Organizer
      令和4年度 栃木県内高等学校での特別授業講演.
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] Multi-Therapeutic Applications of Engineered Phage Capsids2022

    • Author(s)
      9.Srivani Veeranarayanan, Sugano Takashi, Shinya Watanabe, Aa Haeruman Azam, Kotaro Kiga and Longhzu Cui
    • Organizer
      ISAJ Symposium-2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited

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Published: 2021-07-13   Modified: 2024-01-30  

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