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Splicing switch therapy for FCMD by utilizing genome editor system

Research Project

Project/Area Number 21K19457
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 52:General internal medicine and related fields
Research InstitutionFujita Health University

Principal Investigator

IKEDA-TANIGUCHI MARIKO  藤田医科大学, 大学病院, 准教授 (00410738)

Co-Investigator(Kenkyū-buntansha) 斉藤 史明  帝京大学, 医学部, 教授 (40286993)
Project Period (FY) 2021-07-09 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2023: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2022: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2021: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywordsスプライシングスイッチ / RNA / 福山型筋ジストロフィー / ゲノム編集 / アンチセンス核酸 / dCas9 / スプライシングスイッチ療法
Outline of Research at the Start

福山型先天性筋ジストロフィー(FCMD)は本邦特有の神経・筋疾患であり治療法がない。ほぼ全患者が異常スプライシングを惹起されるトランスポゾン配列の挿入変異をもつ。本研究は次世代遺伝子編集システムという新しい方法を用い遺伝子に傷跡を残さずにスプライシング異常を是正する新規スプライシングスイッチ療法を確立するための基盤研究を独自の疾患モデルを用いて検証を行う。

Outline of Final Research Achievements

Fukuyama congenital muscular dystrophy (FCMD) is a prenatally-onset neuromuscular disease unique to Japan for which there is no cure. Almost all patients in Japan have splicing abnormalities caused by insertional mutations in transposon sequences that induce splicing abnormalities. We established a therapeutic platform for scarless splicing aberrations using a next-generation gene editing system, and investigated the efficiency of genome editing and its effects using an originally developed disease model. In this study, we attempted to perform genome editing without CRISPR and were able to induce silent mutations of splicing-inducing sequences in cellular systems and animal mouse models, although the efficiency was low.

Academic Significance and Societal Importance of the Research Achievements

福山型先天性筋ジストロフィーはスプライシング異常であり現時点では治療法がない。今後遺伝子治療や核酸治療が発展すると考えられるが、本研究では、高価な医薬品や核酸医薬、遺伝子を用いずにスプライシングを是正することが可能となる。未だに効率は低いものの本研究の成果は医療経済的にもメリットが大きいと考えられる。

Report

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

    (17 results)

All 2024 2023 2022 2021

All Journal Article (2 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (12 results) (of which Int'l Joint Research: 1 results,  Invited: 6 results) Book (2 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Restoration of the defect in radial glial fiber migration and cortical plate organization in a brain organoid model of Fukuyama muscular dystrophy2021

    • Author(s)
      Taniguchi-Ikeda Mariko、Koyanagi-Aoi Michiyo、Maruyama Tatsuo、Takaori Toru、Hosoya Akiko、Tezuka Hiroyuki、Nagase Shotaro、Ishihara Takuma、Kadoshima Taisuke、Muguruma Keiko、Ishigaki Keiko、Sakurai Hidetoshi、Mizoguchi Akira、Novitch Bennett G.、Toda Tatsushi、Watanabe Momoko、Aoi Takashi
    • Journal Title

      iScience

      Volume: 24 Issue: 10 Pages: 103140-103140

    • DOI

      10.1016/j.isci.2021.103140

    • NAID

      120007170807

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Biallelic variants in LIG3 cause a novel mitochondrial neurogastrointestinal encephalomyopathy2021

    • Author(s)
      1.Bonora E, Chakrabarty S, Tsutsumi M (他63名) Taniguchi-Ikeda M (Corresponding author) and Roberto De Giorgio.
    • Journal Title

      Brain

      Volume: 0 Issue: 5 Pages: 0-0

    • DOI

      10.1093/brain/awab056

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] 福山型筋ジストロフィーの治療法開発研究2024

    • Author(s)
      池田 真理子
    • Organizer
      広島臨床遺伝セミナー
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] 福山型筋ジストロフィーの治療法開発研究2023

    • Author(s)
      池田真理子
    • Organizer
      小児神経学会
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] 福山型筋ジストロフィーの治療法開発研究2023

    • Author(s)
      池田真理子
    • Organizer
      新潟県国立病院機構セミナー
    • Related Report
      2023 Annual Research Report
  • [Presentation] Finding cures for Fukuyama muscular dystrophy2023

    • Author(s)
      池田 真理子
    • Organizer
      アジアオセアニア 人類遺伝学会
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 福山型筋ジストロフィーの中枢神経系の疾患モデル構築と低分子化合物を用いたレスキュー2022

    • Author(s)
      池田真理子
    • Organizer
      CNS障害研究会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 筋疾患と生殖医療の課題-単一遺伝性疾患に対する着床前診断~PGT-M の倫理審議会2022

    • Author(s)
      池田真理子
    • Organizer
      筋ジストロフィー研究班合同班会議
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 福山型筋ジストロフィーの根治療法の発見とiPS細胞を用いた疾患モデル化2022

    • Author(s)
      池田真理子
    • Organizer
      第7回日本筋学会学術集会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] Restoration of the defect in radial glial fiber migration and cortical plate organization in a brain organoid model of Fukuyama muscular dystrophy2021

    • Author(s)
      池田真理子
    • Organizer
      ISSCR2021 International Society for Stem Cell Research (ISSCR)
    • Related Report
      2021 Research-status Report
  • [Presentation] Mutations in DNA ligase III cause mitochondrial neuro gastrointestinal encephalomyopathy,2021

    • Author(s)
      池田真理子
    • Organizer
      ASHG 2021 American Society of Human Genetics
    • Related Report
      2021 Research-status Report
  • [Presentation] Mutations in LIG3 cause mitochondrial neurogastrointestinal encephalomyopathy by mtDNA depletion2021

    • Author(s)
      池田真理子
    • Organizer
      日本人類遺伝学会第66回大会 第28回日本遺伝子診療学会大会 合同開催
    • Related Report
      2021 Research-status Report
  • [Presentation] Biallelic variants in LIG3 cause a novel mitochondrial neurogastrointestinal encephalomyopathy2021

    • Author(s)
      池田真理子
    • Organizer
      WMS 2021 World Muscle Society
    • Related Report
      2021 Research-status Report
  • [Presentation] Mutations in LIG3 cause mitochondrial neurogastrointestinal encephalomyopathy by mtDNA depletion2021

    • Author(s)
      池田真理子
    • Organizer
      第44回日本神経科学大会
    • Related Report
      2021 Research-status Report
  • [Book] 【遺伝学的検査の進歩とその応用】次世代シークエンサーの原理と出生前/出生後の臨床応用(解説)2023

    • Author(s)
      長坂美和子 池田真理子
    • Publisher
      日本新生児成育医学会雑誌
    • Related Report
      2023 Annual Research Report
  • [Book] 【小児科医が知っておくべき筋疾患診療:遺伝学的理解と治療の最新事情】代表的筋疾患 その他の先天性筋ジストロフィー(解説)2023

    • Author(s)
      長坂美和子 池田真理子
    • Publisher
      東京医学社
    • Related Report
      2023 Annual Research Report
  • [Patent(Industrial Property Rights)] アンチセンス核酸およびその利用2023

    • Inventor(s)
      池田真理子
    • Industrial Property Rights Holder
      池田真理子
    • Industrial Property Rights Type
      特許
    • Filing Date
      2023
    • Related Report
      2023 Annual Research Report

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Published: 2021-07-13   Modified: 2025-01-30  

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