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In vivo genome editing efficiency optimization and its application to gene therapy in animal models of disease

Research Project

Project/Area Number 18K06040
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 42040:Laboratory animal science-related
Research InstitutionTokai University

Principal Investigator

Miura Hiromi  東海大学, 医学部, 助教 (90599523)

Project Period (FY) 2020-03-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsin vivoゲノム編集 / 遺伝子治療 / 遺伝子デリバリー系 / ハイドロダイナミクス法 / ヒト型疾患モデルマウス / ゲノム編集 / フェニルケトン尿症 / ゲノム編集効率 / 次世代シークエンス / 疾患モデルマウス作製 / 疾患モデルマウス / DNA修復系
Outline of Research at the Start

本研究では、遺伝子治療効果を示す条件を簡便、且つ効率的に検出可能な独自のin vivoゲノム編集効率の評価系モデルマウスを用いて、標的組織におけるゲノム編集効率の検討と、最適条件を用いた疾患モデルマウス遺伝子治療への応用を目指す。具体的には、1)評価系モデルマウスのシステムの再構築と改善、2)各種臓器への遺伝子デリバリー条件の検討、3)疾患モデルマウスを用いたin vivo遺伝子治療を行う。

Outline of Final Research Achievements

Genome editing technology, which has developed rapidly in recent years, can be applied to gene therapy for repairing the causative genes of human genetic diseases. Therefore, the development of in vivo genome editing technology targeting specific organs for each disease is expected to be an important task. The key to success in this process might be to improve the delivery efficiency of genome editing components to target organs and to improve in vivo genome editing efficiency. In this study, I utilized the mouse model for evaluation of in vivo genome editing efficiency, which was originally developed by us, to determine the optimal conditions for the in vivo delivery system. I also tried to apply it to gene therapy using the disease mouse models originally created in this project.

Academic Significance and Societal Importance of the Research Achievements

本研究成果により確立した評価系モデルマウスは、本研究で用いた物理的な遺伝子導入法のみならず、様々な遺伝子デリバリーツール(生物学的、化学的な遺伝子導入方法)の評価に利用できる可能性がある。遺伝子治療を行う上での問題となっている遺伝子デリバリー系は、今後様々な新手法が次々に開発されてくることが期待されるが、それらにおけるデリバリー効率のみならず、臓器・組織特異性等を検証する上でも極めて有用なモデルマウスとなりうると考えられる。

Report

(4 results)
  • 2022 Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (5 results)

All 2021 2020 2018

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

  • [Journal Article] Novel Reporter Mouse Models Useful for Evaluating In Vivo Somatic Cell Gene Editing and for Optimization of Methods of Delivering Genome Editing Tools.2021

    • Author(s)
      Miura H., Imafuku J., Kurosaki A., Sato M., Ma Y., Zhang G., Mizutani A., Kamimura K., Gurumurthy CB., Liu D., Ohtsuka M.
    • Journal Title

      Molecular Therapy-Nucleic Acids.

      Volume: 24 Pages: 325-336

    • DOI

      10.1016/j.omtn.2021.03.003

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] In vivoゲノム編集評価系レポーターマウスにおける有用性の検証とその特性について2021

    • Author(s)
      三浦浩美、今福樹来、黒崎亜希、水谷晃子、上村顕也、佐藤正宏、Dexi Liu、大塚正人
    • Organizer
      第44回日本分子生物学会年会
    • Related Report
      2021 Research-status Report
  • [Presentation] Development of targeted transgenic technologies before and after the CRISPR era.2020

    • Author(s)
      Hiromi Miura
    • Organizer
      The 16th Transgenic Technology Meeting (TT2020)
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Development of a reporter mouse model suitable for evaluation of in vivo genome editing efficiency2018

    • Author(s)
      H Miura, CB Gurumurthy, M Ohtsuka
    • Organizer
      2018 Cold Spring Harbor meeting: Genome Engineering: The CRISPR/Cas Revolution
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] ゲノム編集効率評価系モデルマウスの開発と評価2018

    • Author(s)
      三浦 浩美、佐藤 正宏、水谷 晃子、大塚 正人
    • Organizer
      第41回日本分子生物学会年会
    • Related Report
      2018 Research-status Report

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

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