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Development of new biomarkers that can distinguish neurodegenerative diseases based on the detection method of protein amplification assay

Research Project

Project/Area Number 21K07417
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

Satoh Katsuya  長崎大学, 医歯薬学総合研究科(保健学科), 教授 (70398147)

Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2023: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords神経変性疾患 / QUIC / シヌクレイン / TDP-43 / タウ蛋白 / 蛋白増幅法 / シヌクレイン蛋白 / 蛋白増幅法の検出法 / バイオマーカー / αシヌクレイン
Outline of Research at the Start

特有の領域の神経系統が侵され、神経細胞を中心とする様々な退行性変化を呈する疾患群である神経変性疾患は異常蛋白が蓄積する。異常蛋白は蛋白分解酵素で分解されずにミスフォールドタンパク質として凝集を形成する。現在まで神経変性疾患の診断法は臨床症状と画像診断のみである。しかし髄液を含めた生体材料から異常蛋白を検出する事が可能となれば第3の神経変性疾患の診断法となりえる。2011年よりプリオン病患者で異常蛋白増幅法を成功し、2015年レビー小体病の髄液から異常蛋白増幅法にも成功した。本研究は異常蛋白増幅法を利用し、神経変性疾患患者の生体材料からの神経変性疾患の特異的な異常蛋白の検出を本研究課題とする。

Outline of Final Research Achievements

Neurodegenerative diseases involve progressive neurodegeneration due to abnormal protein accumulation. This study explored diagnostic approaches by developing amplification techniques to detect disease-specific abnormal proteins in patient samples. Quantitative assays measuring pathological α-synuclein in brain/cerebrospinal fluid (synuclein QUIC) and abnormal TDP-43 (TDP-43 QUIC) were successfully established. In parallel, efforts focused on differentiating 3R/4R tau isoforms, key in tauopathies, but discriminating them proved challenging despite using recombinant tau proteins and assessing amyloid formation. While promising for diagnosis, further optimization and validation are needed before clinical implementation of detecting abnormal protein conformers in biofluids. Reliably identifying disease-specific proteinopathies could complement symptom-based and imaging diagnostics.

Academic Significance and Societal Importance of the Research Achievements

従来の症状や画像所見に加え、異常蛋白を検出できればより早期の段階で神経変性疾患を診断できる。早期診断により、症状の進行を遅らせたり、QOLを維持したりできる。又異常蛋白の種類や蓄積レベルを定量評価できれば、個々の疾患の発症メカニズムや病態をより深く理解できる。これは新しい治療法の開発につながる。さらに、異常蛋白をバイオマーカーとして用いれば、新薬の有効性評価が正確になり、有望な治療法の臨床開発が促進される。生体材料からの検査は比較的侵襲が少なく簡便であり、検出法が実用化されれば広く普及する。このように異常蛋白検出技術の確立は神経変性疾患の診断・治療の向上に寄与し、その社会的意義は大きい。

Report

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

    (32 results)

All 2024 2023 2022 2021 Other

All Journal Article (14 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 13 results,  Open Access: 12 results) Presentation (15 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results) Book (2 results) Remarks (1 results)

  • [Journal Article] Detection limitations of prion seeding activities in blood samples from patients with sporadic prion disease2024

    • Author(s)
      Nonaka Toshiaki、Iwasaki Yasushi、Horiuchi Hiroyuki、Satoh Katsuya
    • Journal Title

      BMC Neurology

      Volume: 24 Issue: 1 Pages: 92-92

    • DOI

      10.1186/s12883-024-03590-7

    • Related Report
      2023 Annual Research Report
  • [Journal Article] The transcription factor NRF1 (NFE2L1) activates aggrephagy by inducing p62 and GABARAPL1 after proteasome inhibition to maintain proteostasis2023

    • Author(s)
      Hatanaka Atsushi、Nakada Sota、Matsumoto Gen、Satoh Katsuya、Aketa Iori、Watanabe Akira、Hirakawa Tomoaki、Tsujita Tadayuki、Waku Tsuyoshi、Kobayashi Akira
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1 Pages: 14405-14405

    • DOI

      10.1038/s41598-023-41492-9

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Genetic CreutzfeldtJakob disease with 5-octapeptide repeats presented as frontotemporal dementia2023

    • Author(s)
      Hamada S, Takahashi-Iwata I, Satoh K, Kitamoto T, Mizusawa H, Moriwaka F, Yabe I.
    • Journal Title

      Hum Genome Var.

      Volume: 10(1) Issue: 1 Pages: 10-10

    • DOI

      10.1038/s41439-023-00237-w

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Cerebral cortex swelling in V180I genetic Creutzfeldt- Jakob disease: comparative imaging study between sporadic and V180I genetic Creutzfeldt-Jakob disease in the early stage.2023

    • Author(s)
      Muroga Y, Sugiyama A, Mukai H, Hashiba J, Yokota H, Satoh K, Kitamoto T, Wang J, Ito S, Kuwabara S.
    • Journal Title

      Prion.

      Volume: 17(1) Issue: 1 Pages: 105-110

    • DOI

      10.1080/19336896.2023.2197809

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Significance of Cortical Ribboning as a Biomarker in the Prodromal Phase of Sporadic Creutzfeldt-Jakob Disease2022

    • Author(s)
      Hamada Yasuhiro、Deguchi Kazushi、Tachi Kisaki、Kita Makoto、Nonaka Wakako、Takata Tadayuki、Kobara Hideki、Touge Tetsuo、Satoh Katsuya、Masaki Tsutomu
    • Journal Title

      Internal Medicine

      Volume: 61 Issue: 17 Pages: 2667-2670

    • DOI

      10.2169/internalmedicine.8354-21

    • NAID

      130008161627

    • ISSN
      0918-2918, 1349-7235
    • Year and Date
      2022-09-01
    • Related Report
      2022 Research-status Report 2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Specific electroencephalogram features in the very early phases of sporadic Creutzfeldt -Jakob disease.2022

    • Author(s)
      Matsubayashi T, Akaza M, Hayashi Y, Hamaguchi T, Satoh K, Kosami K, Ae R, Kitamoto T, Yamada M, Shimohata T, Yokota T, Sanjo N.
    • Journal Title

      J Neurol Sci

      Volume: 437 Pages: 120265-120265

    • DOI

      10.1016/j.jns.2022.120265

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Early Diagnosis of V180I Genetic Creutzfeldt-Jakob Disease at the Preserved Cognitive Function Stage.2022

    • Author(s)
      Suzuki Y, Sugiyama A, Muto M, Satoh K, Kitamoto T, Kuwabara S.
    • Journal Title

      Cureus.

      Volume: 14(3)

    • DOI

      10.7759/cureus.23374

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Detection of Prions in a Cadaver for Anatomical Practice2022

    • Author(s)
      Nakagaki Takehiro、Kaneko Miho、Satoh Katsuya、Murai Kiyohito、Saiki Kazunobu、Matsumoto Gen、Ogami-Takamura Keiko、Ikematsu Kazuya、Akagi Akio、Iwasaki Yasushi、Tsurumoto Toshiyuki、Nishida Noriyuki
    • Journal Title

      New England Journal of Medicine

      Volume: 386 Issue: 23 Pages: 2245-2246

    • DOI

      10.1056/nejmc2204116

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Propagation of Diffusion-Weighted MRI Abnormalities in the Preclinical Stage of Sporadic Creutzfeldt-Jakob Disease.2022

    • Author(s)
      Yasuda M, Sugiyama A, Hokkoku H, Suichi T, Ito K, Satoh K, Kitamoto T, Kuwabara S.
    • Journal Title

      Neurology.

      Volume: 99(16) Issue: 16 Pages: 699-702

    • DOI

      10.1212/wnl.0000000000201221

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] CSF biomarkers for prion diseases2022

    • Author(s)
      Satoh Katsuya
    • Journal Title

      Neurochemistry International

      Volume: 155 Pages: 105306-105306

    • DOI

      10.1016/j.neuint.2022.105306

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Formalin RT-QuIC assay detects prion-seeding activity in formalin-fixed brain samples from sporadic Creutzfeldt?Jakob disease patients2021

    • Author(s)
      Dong Thi-Thu-Trang、Akagi Akio、Nonaka Toshiaki、Nakagaki Takehiro、Mihara Ban、Takao Masaki、Iwasaki Yasushi、Nishida Noriyuki、Satoh Katsuya
    • Journal Title

      Neurobiology of Disease

      Volume: 159 Pages: 105504-105504

    • DOI

      10.1016/j.nbd.2021.105504

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The Latest Research on RT-QuIC Assays-A Literature Review2021

    • Author(s)
      Dong TT, Satoh K.
    • Journal Title

      Pathogens

      Volume: 10(3) Issue: 3 Pages: 305-305

    • DOI

      10.3390/pathogens10030305

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Biomarkers and diagnostic guidelines for sporadic Creutzfeldt-Jakob disease2021

    • Author(s)
      Hermann Peter、Appleby Brian、Brandel Jean-Philippe、Caughey Byron、Collins Steven、Geschwind Michael D、Green Alison、Haik Stephane、Kovacs Gabor G、Ladogana Anna、Llorens Franc、Mead Simon、Nishida Noriyuki、Pal Suvankar、Parchi Piero、Pocchiari Maurizio、Satoh Katsuya、Zanusso Gianluigi、Zerr Inga
    • Journal Title

      The Lancet Neurology

      Volume: 20 Issue: 3 Pages: 235-246

    • DOI

      10.1016/s1474-4422(20)30477-4

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] V180I genetic Creutzfeldt-Jakob disease with cardiac sympathetic nerve denervation masquerading as Parkinson's disease: A case report2021

    • Author(s)
      Fujita H, Ogaki K, Shiina T, Onuma H, Sakuramoto H, Satoh K, Suzuki K.
    • Journal Title

      Medicine (Baltimore)

      Volume: 100(2) Issue: 2 Pages: e24294-e24294

    • DOI

      10.1097/md.0000000000024294

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] プリオン病の克服を目指して、新たなるステージへの挑戦!2023

    • Author(s)
      佐藤克也
    • Organizer
      第25回北海道老年期認知症研究会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Novel CLEIA assay for total tau protein in cerebrospinal fluid (CSF) of human prion disease patients: evaluation and limitations.2023

    • Author(s)
      Kong W, Satoh K.
    • Organizer
      Asian Pacific Prion Symposium
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Comparative study of sensitivity and specificity of new diagnostic criteria for sporadic human prion disease.2023

    • Author(s)
      Nonaka T, Satoh K
    • Organizer
      Asian Pacific Prion Symposium
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] プリオン病の診察のための基礎知識2023

    • Author(s)
      佐藤克也
    • Organizer
      第27回 日本神経感染症学会総会・学術大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] ヒトプリオン病患者の早期診断を目指した髄液中のバイオマーカーの解析2023

    • Author(s)
      佐藤克也
    • Organizer
      第120回日本内科学会総会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 非公開プリオン病患者からのホルマリン固定脳からのプリオン活性の検出.2022

    • Author(s)
      佐藤克也
    • Organizer
      第63回日本神経学術大会
    • Related Report
      2022 Research-status Report
  • [Presentation] プリオン病患者の脳のホルマリン固定・ギ酸処理によるプリオン活性の変化2022

    • Author(s)
      佐藤克也
    • Organizer
      第26回日本神経感染症学会総会
    • Related Report
      2022 Research-status Report
  • [Presentation] プリオン病の早期診断と治療薬開発2022

    • Author(s)
      佐藤克也
    • Organizer
      第41回日本認知症学会学術集会・第37回日本老年精神医学会
    • Related Report
      2022 Research-status Report
  • [Presentation] プリオン病患者脳のホルマリン固定・ギ酸処理によるプリオン活性の変化2022

    • Author(s)
      佐藤克也
    • Organizer
      第41回日本認知症学会学術集会・第37回日本老年精神医学会
    • Related Report
      2022 Research-status Report
  • [Presentation] プリオン病 再考 早期診断の視点から.2022

    • Author(s)
      佐藤克也
    • Organizer
      第41回日本認知症学会学術集会・第37回日本老年精神医学会
    • Related Report
      2022 Research-status Report
  • [Presentation] プリオン病の腰椎穿刺と脳脊髄液マーカー2021

    • Author(s)
      佐藤 克也
    • Organizer
      第36回日本老年精神医学会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] ヒトプリオン病の患者の髄液中のバイオマーカー解析2021

    • Author(s)
      赤羽寅彦, 佐藤克也
    • Organizer
      第40回日本認知症学会学術集会
    • Related Report
      2021 Research-status Report
  • [Presentation] 経動脈的な投与による急性脳梗塞に対する骨髄間葉系細胞治療法の確立2021

    • Author(s)
      佐藤 克也
    • Organizer
      第64回日本脳循環代謝学会学術集会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] プリオン病のup to date2021

    • Author(s)
      佐藤 克也
    • Organizer
      第25回日本神経感染症学会総会・学術大会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] ヒトプリオン病の患者の髄液中のバイオマーカーの解析2021

    • Author(s)
      佐藤 克也
    • Organizer
      第62回日本神経学会学術大会
    • Related Report
      2021 Research-status Report
  • [Book] 脳神経疾患最新の治療2024-20262023

    • Author(s)
      北川一夫、青木正志、小林俊輔、佐藤克也
    • Total Pages
      380
    • Publisher
      南江堂
    • ISBN
      4524204431
    • Related Report
      2023 Annual Research Report
  • [Book] 脳神経内科 【プリオン病】プリオン病の感染予防.2022

    • Author(s)
      佐藤克也
    • Total Pages
      5
    • Publisher
      科学評論社
    • Related Report
      2022 Research-status Report
  • [Remarks] 長崎大学 佐藤研究室

    • URL

      http://www2.am.nagasaki-u.ac.jp/prion-cjd/

    • Related Report
      2021 Research-status Report

URL: 

Published: 2021-04-28   Modified: 2025-01-30  

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