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Multidimensional Analyses of the Central Nervous System Pathophysiology of Repeat Expansion Disease: Focusing on Myotonic Dystrophy

Research Project

Project/Area Number 19K07992
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 52020:Neurology-related
Research InstitutionOsaka University

Principal Investigator

Takahashi Masanori  大阪大学, 医学系研究科, 教授 (20359847)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords筋強直性ジストロフィ / RNA / スプライシング / 中枢神経 / 認知機能 / 筋強直性ジストロフィー / 大脳 / 小脳 / 神経変性疾患 / 神経ネットワーク / リピート病 / 脳 / 網羅的解析
Outline of Research at the Start

神経変性疾患の細胞内分子レベルの解明は進んだものの、残された重要な課題のひとつは脳領域・細胞選択性障害のメカニズムである。本研究ではRNA病としての病態理解が進んだ筋強直性ジストロフィーを主な対象とし、脳領域ごとに網羅的トランスクリプトームやエピゲノム解析などを行い、領域選択性の分子機序解明を目指す。さらに脊髄小脳変性症等との比較を通じ、リピート病に共通の新たな病態の解明を目指す。また、自閉症スペクトラム障害などで注目されているネットワークの機能異常が存在するか、実際の患者で、近年解析技術の進歩の著しい脳画像・脳磁図などを用いた神経ネットワーク活動解析を行い、病態との関連を検討する。

Outline of Final Research Achievements

The ultimate goal of this study was to elucidate the mechanisms of region-selectivity, which remain a crucial issue in the study of neurodegenerative diseases. Myotonic dystrophy (DM) was chosen as the primary focus of the study, as the understanding of its pathogenesis as an RNA disease is very advanced. We performed a comprehensive RNAseq analysis of each brain region using autopsied brains. We identified many splice abnormalities, including those previously reported, in the temporal lobe. Cerebellar-specific abnormalities were also identified. Inter-regional similarities were revealed between frontal and temporal lobes. RNAseq analysis was also performed on the liver to compare the differences between organs. We accumulated neuropsychological and MRI data and clarified the clinical characteristics of DM patients.

Academic Significance and Societal Importance of the Research Achievements

リピート病のひとつである筋強直性ジストロフィーを対象として、中枢神経におけるRNA異常の病態を網羅的解析により明らかにした。この成果は、他のリピート病や変性疾患での解析に役立つ基礎的データとなることが期待される。また、明らかにされた画像や神経心理学的特徴は、患者の臨床評価、治験におけるアウトカムメジャーとしても役立つと考えられる。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (28 results)

All 2022 2021 2020 2019 Other

All Int'l Joint Research (2 results) Journal Article (9 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 6 results,  Open Access: 3 results) Presentation (17 results) (of which Int'l Joint Research: 7 results,  Invited: 3 results)

  • [Int'l Joint Research] University of Clermont Auvergne(フランス)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] The Hospital for Sick Children, Toronto(カナダ)

    • Related Report
      2019 Research-status Report
  • [Journal Article] Quality of life and subjective symptom impact in Japanese patients with myotonic dystrophy type 12022

    • Author(s)
      Fujino Haruo、Saito Toshio、Takahashi Masanori P.、Takada Hiroto、Nakayama Takahiro、Imura Osamu、Matsumura Tsuyoshi
    • Journal Title

      BMC Neurology

      Volume: 22 Issue: 1 Pages: 1-7

    • DOI

      10.1186/s12883-022-02581-w

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Characteristics of myotonic dystrophy patients in the national registry of Japan2022

    • Author(s)
      Sugimoto Marika、Kuru Satoshi、Takada Hiroto、Horie Riho、Yamauchi Kosuke、Kubota Tomoya、Matsumura Tsuyoshi、Nakamura Harumasa、Kimura En、Takahashi Masanori P.
    • Journal Title

      Journal of the Neurological Sciences

      Volume: 432 Pages: 120080-120080

    • DOI

      10.1016/j.jns.2021.120080

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] これから変わる筋強直性ジストロフィーの医療2022

    • Author(s)
      高橋正紀
    • Journal Title

      難病と在宅ケア

      Volume: 27 Pages: 21-24

    • Related Report
      2021 Annual Research Report
  • [Journal Article] Metabolic complications in myotonic dystrophy type 1: A cross-sectional survey using the National Registry of Japan2021

    • Author(s)
      Hama Manami、Horie Riho、Kubota Tomoya、Matsumura Tsuyoshi、Kimura En、Nakamura Harumasa、Takahashi Masanori P.、Takada Hiroto
    • Journal Title

      Journal of the Neurological Sciences

      Volume: 427 Pages: 117511-117511

    • DOI

      10.1016/j.jns.2021.117511

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cardiac conduction disorders as markers of cardiac events in myotonic dystrophy type 1.2020

    • Author(s)
      2.Itoh H, Hisamatsu T, Tamura T, Segawa K, Takahashi T, Takada H, Kuru S, Wada C, Suzuki M, Suwazono S, Sasaki S, Okumura K, Horie M, Takahashi MP, Matumura T.
    • Journal Title

      J Am Heart Assoc.

      Volume: 9 Issue: 17

    • DOI

      10.1161/jaha.119.015709

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 神経筋疾患、新たな治療の時代へ 各疾患の治療の現状 筋強直性ジストロフィー2020

    • Author(s)
      中森雅之、高橋正紀
    • Journal Title

      小児科診療

      Volume: 83 Pages: 45-50

    • Related Report
      2019 Research-status Report
  • [Journal Article] A slipped-CAG DNA-binding small molecule induces trinucleotide-repeat contractions in vivo2020

    • Author(s)
      Nakamori Masayuki, Panigrahi Gagan B., Lanni Stella, et. al.
    • Journal Title

      Nature Genetics

      Volume: 52 Issue: 2 Pages: 146-159

    • DOI

      10.1038/s41588-019-0575-8

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] 筋強直性ジストロフィーの臨床および病態機序2019

    • Author(s)
      高橋正紀
    • Journal Title

      脳神経内科

      Volume: 91 Pages: 436-442

    • Related Report
      2019 Research-status Report
  • [Journal Article] Straightjacket/α2δ3 deregulation is associated with cardiac conduction defects in myotonic dystrophy type 1.2019

    • Author(s)
      Plantie E, Nakamori M, Renaud Y, Huguet A, Choquet C, Dondi C, Miquerol L, Takahashi M, Gourdon G, Junion G, Jagla T, Zmojdzian M, Jagla K
    • Journal Title

      eLife

      Volume: 8

    • DOI

      10.7554/elife.51114

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] 神経筋疾患、新しい治療の時代へ 筋強直性ジストロフィーにおける病態解明の進歩と治療開発2021

    • Author(s)
      高橋正紀
    • Organizer
      第63回日本小児神経学会学術集会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 筋強直性ジストロフィー 最近のトピックス2021

    • Author(s)
      高橋正紀
    • Organizer
      第62回日本神経学会学術大会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 本邦における筋強直性ジストロフィー患者の医療的ケアの実態(全国調査)先天性/小児期発症の回答の検討2021

    • Author(s)
      七字美延、石垣景子、高橋正紀、佐藤孝俊、石黒久美子、小牧宏文、松村剛、永田智
    • Organizer
      第63回日本小児神経学会学術集会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Examination of Neuropsychological Tests to Measure Cognitive Functions in Myotonic Dystrophy Type 1.2021

    • Author(s)
      Haruo Fujino, Yukihiko Ueda, Shugo Suwazono, Tsuyoshi Matsumura, Osamu Imura, Masanori Takahashi
    • Organizer
      The 19th Asian-Oceanian Myology Center Meeting
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Liver dysfunction and dyslipidemia in myotonic dystrophy type 1: A cross-sectional study using the National Registry of Japan.2021

    • Author(s)
      Hama M, Horie R, Kubota T, Matsumura T, Kimura E, Nakamura H, Takahashi MP, Takada H
    • Organizer
      26th International Congress of the World Muscle Society
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 「筋強直性ジストロフィー」 病態と疾患管理―脳神経内科・遺伝診療の立場から2021

    • Author(s)
      高橋正紀
    • Organizer
      第7回産科婦人科遺伝診療学会
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 筋強直性ジストロフィー合併糖尿病に対するDPP-4阻害剤の有効性に関する検証2020

    • Author(s)
      髙田博仁、高橋正紀、松村 剛、松井未紗、岩橋博見
    • Organizer
      第61回日本神経学会学術大会
    • Related Report
      2020 Research-status Report
  • [Presentation] 筋強直性ジストロフィーに対する呼吸療法の実態調査2020

    • Author(s)
      久留聡、高橋俊明、鈴木幹也、斎藤利雄、松村剛、高橋正紀
    • Organizer
      第61回日本神経学会学術大会
    • Related Report
      2020 Research-status Report
  • [Presentation] Survey of patient care situations for congenital/childhood onset myotonic dystrophy in Japan; Nationwide patient survey.2020

    • Author(s)
      M.Shichiji, Y.Kihara, K.Ishiguro, T.Sato, M.Takahashi, H.Komaki, H.Takada, S.Kuru, T.Matsumura, K.Ishigaki.
    • Organizer
      25th International Congress of the World Muscle Society
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] 患者登録データおよび二次調査における筋強直性ジストロフィー1型患者の代謝障害についての臨床調査2020

    • Author(s)
      濱真奈美、堀江里歩、久保田智哉、松村 剛、髙田博仁、高橋正紀
    • Organizer
      第7回筋ジストロフィー医療研究会
    • Related Report
      2020 Research-status Report
  • [Presentation] 本邦における先天性/小児期発症筋強直性ジストロフィー患者の医療ケアの実態調査 ―患者対象全国調査-2020

    • Author(s)
      七字美延、石黒久美子、佐藤孝俊、高橋正紀、 松浦徹、砂田芳秀、小牧宏文、高田博仁、久留聡、松村剛、石垣景子
    • Organizer
      第7回筋ジストロフィー医療研究会
    • Related Report
      2020 Research-status Report
  • [Presentation] 筋強直性ジストロフィータイプ1(DM1)における疲労感の問題2020

    • Author(s)
      井村 修、松村 剛、諏訪園秀吾、上田幸彦、藤野陽生、高橋正紀
    • Organizer
      第7回筋ジストロフィー医療研究会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] 筋強直性ジストロフィーにおける耐糖能障害の進展に関する経時的観察2020

    • Author(s)
      髙田博仁、松井未紗、高橋正紀、松村 剛、岩橋博見
    • Organizer
      第7回筋ジストロフィー医療研究会
    • Related Report
      2020 Research-status Report
  • [Presentation] Cardiac conduction disorders as markers of cardiac events but not sudden death in myotonic dystrophy type 1.2019

    • Author(s)
      Itoh h, Hisamatsu T, Tamura T, Segawa K, Takahash T, Takada H, Kuru S, Wada C, Suzuki M, Suwazono S, Sasaki S, Okumura K, Horie M, Takahashi M, Matumura T.
    • Organizer
      The 12th International Myotonic Dystrophy Consortium Meeting
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Registry of myotonic dystrophy in Japan: Current status and genotype-phenotype correlation.2019

    • Author(s)
      Yamauchi K, Horie R, Kubota T, Matsumura T, Kimura E, Nakamura H, Takahashi M.
    • Organizer
      The 12th International Myotonic Dystrophy Consortium Meeting
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Discrepancy between patient and clinician evaluation of symptoms in myotonic dystrophy.2019

    • Author(s)
      Fujino H, Matsumura T, Saito T, Nakayama T, Takahash MP, Imura O.
    • Organizer
      The 12th International Myotonic Dystrophy Consortium Meeting
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 筋強直性ジストロフィーにおける認知機能評価バッテリーの提案2019

    • Author(s)
      藤野陽生、上田幸彦、諏訪園秀吾、松村 剛、高橋正紀、井村 修
    • Organizer
      第6回 筋ジストロフィーの CNS障害研究会
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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