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Super multicolor and sensitive imaging platform of proteins based on reversible nanoparticle assembly

Research Project

Project/Area Number 21H01722
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 27040:Biofunction and bioprocess engineering-related
Research InstitutionThe University of Tokyo

Principal Investigator

Ohta Seiichi  東京大学, 大学院工学系研究科(工学部), 准教授 (40723284)

Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2023: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
Fiscal Year 2022: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
Fiscal Year 2021: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Keywords共役ポリマーナノ粒子 / 集積体 / 超マルチカラーイメージング / 画像診断 / バイオマーカー / 蛍光ナノ粒子 / DNAナノテクノロジー / バイオイメージング / マルチ検出
Outline of Research at the Start

タンパク質の網羅的な解析が飛躍的な進展を見せる一方、生きた細胞や組織で一度にイメージングできるタンパク質の種類は未だ限られている。また希少な分子の観察のためには、イメージングの高感度化も必要である。本研究ではDNAをリンカーとして用いて、タンパク質マーカーに結合した抗体上で蛍光ナノ粒子を集積化し、高輝度のラベル化を実現する。さらに、観察後に粒子を抗体から切り離せるよう設計を行うことで、一つの色を繰り返し用いて複数の標的タンパク質をラベル化することを可能とする。これにより、m色の粒子を用いてn回の観察サイクルを繰り返すことで、m×n色の超マルチカラーイメージングを実現することを目指す。

Outline of Final Research Achievements

In this research, highly sensitive imaging of protein biomarkers was demonstrated by DNA-mediated sequential assembly of fluorescent nanoparticles on antibodies bound to the target marker. In addition, by designing the linker DNA to be dissociable, multiple protein markers can be imaged using a single color by repeating the imaging cycles. It has also been demonstrated that m X n types of protein biomarkers can be imaged on a single sample by repeating m-color imaging n times.

Academic Significance and Societal Importance of the Research Achievements

プロテオミクスの進展によりタンパク質の網羅的な解析が飛躍的な進展を見せる一方、生きた細胞や組織で一度にイメージングできるタンパク質の種類は、未だ限られているのが現状である。また、発現量は少ないものの重要な役割を持つタンパク質も多く同定されつつあり、これらの検出のためにはイメージングの高感度化も必要となる。本研究で構築されたイメージング基盤は、ナノ粒子とDNAを用いた独自技術によりこれらの課題を解決し、多様なタンパク質の発現の空間パターンを高感度に取得することを可能にするものである。これにより、生命現象の理解の深化や、新たな診断・治療法の創製へとつながることが期待される。

Report

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

    (21 results)

All 2024 2023 2022 2021

All Journal Article (5 results) (of which Peer Reviewed: 5 results,  Open Access: 4 results) Presentation (16 results) (of which Int'l Joint Research: 6 results,  Invited: 7 results)

  • [Journal Article] DNA‐Mediated, On‐Membrane Sequential Assembly of Conjugated Polymer Nanoparticles for Sensitive Detection of Cell Surface Markers2024

    • Author(s)
      Maeda Yuki、Nakamura Noriko、Ohta Seiichi
    • Journal Title

      Advanced Functional Materials

      Volume: - Issue: 23 Pages: 2315160-2315160

    • DOI

      10.1002/adfm.202315160

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Precise control methods of the physicochemical properties of nanoparticles for personalized medicine2024

    • Author(s)
      Nakamura Noriko、Ohta Seiichi
    • Journal Title

      Current Opinion in Biotechnology

      Volume: 87 Pages: 103108-103108

    • DOI

      10.1016/j.copbio.2024.103108

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Progress of Endogenous and Exogenous Nanoparticles for Cancer Therapy and Diagnostics2023

    • Author(s)
      Fujita Hideaki、Ohta Seiichi、Nakamura Noriko、Somiya Masaharu、Horie Masanobu
    • Journal Title

      Genes

      Volume: 14 Issue: 2 Pages: 259-259

    • DOI

      10.3390/genes14020259

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Facile and wide-range size tuning of conjugated polymer nanoparticles for biomedical applications as a fluorescent probe2022

    • Author(s)
      Nakamura Noriko、Tanaka Nobuaki、Ohta Seiichi
    • Journal Title

      RSC Advances

      Volume: 12 Issue: 19 Pages: 11606-11611

    • DOI

      10.1039/d1ra09101h

    • Related Report
      2022 Annual Research Report 2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Recent advances in animal cell technologies for industrial and medical applications2022

    • Author(s)
      Horie Masanobu、Yamano-Adachi Noriko、Kawabe Yoshinori、Kaneoka Hidenori、Fujita Hideaki、Nagamori Eiji、Iwai Ryosuke、Sato Yasushi、Kanie Kei、Ohta Seiichi、Somiya Masaharu、Ino Kosuke
    • Journal Title

      Journal of Bioscience and Bioengineering

      Volume: - Issue: 6 Pages: 509-514

    • DOI

      10.1016/j.jbiosc.2022.03.005

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] DNA-mediated reversible attachment/detachment of fluorophore-conjugated antibodies for super multi-color cellular protein imaging2023

    • Author(s)
      Li Xu, Noriko Nakamura, Seiichi Ohta
    • Organizer
      日本膜学会第46年会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Super multi-color imaging of cellular proteins based on DNA-mediated reversible attachment/detachment of fluorophore-conjugated antibodies2023

    • Author(s)
      Li Xu, Noriko Nakamura, Seiichi Ohta
    • Organizer
      5th UT2-Mac Student Workshop
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 細胞表面マーカーの高感度検出に向けた 有機半導体ポリマー蛍光ナノ粒子のon-membrane集積化2023

    • Author(s)
      前田悠希、中村乃理子、太田誠一
    • Organizer
      日本膜学会「第45年会」・「膜シンポジウム2023」合同大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] DNA-mediated, on-membrane sequential assembly of conjugated polymer nanoparticles for sensitive detection of cell surface markers2023

    • Author(s)
      Yuki Maeda, Noriko Nakamura, Seiichi Ohta
    • Organizer
      AIChE Annual Meeting 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] DNA-mediated Nanoparticle Assembly Technology for Biomarker Detection2023

    • Author(s)
      Seiichi Ohta
    • Organizer
      iCAN X Talks
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 有機半導体ポリマー蛍光ナノ粒子の逐次集積による細胞表面マーカーの高感度検出2022

    • Author(s)
      前田悠希・中村乃理子・太田誠一
    • Organizer
      化学工学会 第88年会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 細胞表面マーカーの高感度検出に向けた有機半導体ポリマー蛍光ナノ粒子の逐次集積技術の開発2022

    • Author(s)
      前田悠希・中村乃理子・太田誠一
    • Organizer
      化学工学会 第53回 秋季大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] DNA-mediated, on-membrane sequential assembly of conjugated polymer nanoparticles for sensitive detection of cell surface markers2022

    • Author(s)
      Yuki Maeda, Noriko Nakamura, Seiichi Ohta
    • Organizer
      Mac-UofT-UT Workshop 2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Controlling physicochemical property of synthetic nanoparticles and its application for the detection of immune-related biomarkers2022

    • Author(s)
      Seiichi Ohta
    • Organizer
      The 51st Annual Symposium of the Japan Society for Immunology
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] Detection Platform of Biomarkers Based on Physicochemical Property of Nanoparticles2022

    • Author(s)
      Seiichi Ohta
    • Organizer
      The 5th Stockholm-Tokyo Workshop
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 粒子の物理化学的性質に着目した光機能性ナノ粒子の医療展開2022

    • Author(s)
      太田誠一
    • Organizer
      第3回MIRCフォーラム
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 化学工学モデルを活用した診断用ナノ粒子の物理化学的性質の戦略的設計2022

    • Author(s)
      太田誠一
    • Organizer
      第35回CES21講演会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 有機半導体ポリマーナノ粒子の自在配列に向けたDNA修飾と分散安定性の検討2022

    • Author(s)
      前田悠希、中村乃理子、太田誠一
    • Organizer
      化学工学会 第87年会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Development of photo-functional nanoparticles for biomedical applications focusing on particle size and shape"2021

    • Author(s)
      Seiichi Ohta
    • Organizer
      SNU Bioengineering Symposium 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] システム的発想に立脚した診断・治療用ナノ粒子の開発2021

    • Author(s)
      太田誠一
    • Organizer
      第20回 化学・材料 インキュベーション研究会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 有機半導体ポリマーナノ粒子の精密合成を基盤とする新規画像診断ラベルの開発2021

    • Author(s)
      中村乃理子、太田誠一
    • Organizer
      化学工学会第52回秋季大会
    • Related Report
      2021 Annual Research Report

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

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