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Highly efficient refolding of proteins using carbon nanotubes

Research Project

Project/Area Number 18K19009
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 28:Nano/micro science and related fields
Research InstitutionNational Institute of Advanced Industrial Science and Technology

Principal Investigator

Hirano Atsushi  国立研究開発法人産業技術総合研究所, 材料・化学領域, 主任研究員 (90613547)

Co-Investigator(Kenkyū-buntansha) 亀田 倫史  国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 主任研究員 (40415774)
Project Period (FY) 2018-06-29 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2018: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Keywordsタンパク質 / カーボンナノチューブ / リフォールディング / 酸化還元
Outline of Final Research Achievements

In this study we aimed to improve the yield of protein refolding by using carbon nanotubes, and to bring back numerous protein drug candidates, which had been dropped out in the development stage, to clinical research and then to the market. We found that a small amount of iron ions derived from CNT raw materials promotes the redox reaction between CNTs and proteins. This finding underscores the importance of controlling trace metal ions in protein refolding using CNT.

Academic Significance and Societal Importance of the Research Achievements

カーボンナノチューブを用いてタンパク質をリフォールディングするには、カーボンナノチューブとタンパク質の物理的・化学的な相互作用の理解が必須である。今回、化学的な相互作用の一つである酸化還元反応において、共存する微量の鉄イオンが反応速度に大きな影響を与えることを明らかにした。本結果は、タンパク質のリフォールディング反応における微量金属イオンの濃度制御の必要性を示すものであり、リフォールディングの技術開発において重要な知見を与えた。

Report

(3 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • Research Products

    (3 results)

All 2020 2019 2018

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (1 results)

  • [Journal Article] Technical Capabilities and Limitations of Optical Spectroscopy and Calorimetry Using Water-Miscible Solvents: The Case of Dimethyl Sulfoxide, Acetonitrile, and 1,4-Dioxane2020

    • Author(s)
      Hirano Atsushi、Nagatoishi Satoru、Wada Momoyo、Tsumoto Kouhei、Maluf Karl N.、Arakawa Tsutomu
    • Journal Title

      Journal of Pharmaceutical Sciences

      Volume: 109 Issue: 1 Pages: 524-531

    • DOI

      10.1016/j.xphs.2019.10.056

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Oxidative Stress of Carbon Nanotubes on Proteins Is Mediated by Metals Originating from the Catalyst Remains2019

    • Author(s)
      Hirano Atsushi、Wada Momoyo、Tanaka Takeshi、Kataura Hiromichi
    • Journal Title

      ACS Nano

      Volume: 13 Pages: 1805-1816

    • DOI

      10.1021/acsnano.8b07936

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] カーボンナノチューブによるタンパク質の酸化反応における触媒由来金属の効果2018

    • Author(s)
      平野 篤、和田 百代、田中 丈士、片浦 弘道
    • Organizer
      第55回 フラーレン・ナノチューブ・グラフェン 総合シンポジウム
    • Related Report
      2018 Research-status Report

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Published: 2018-07-25   Modified: 2021-02-19  

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