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What is essentiality of cancer nanomedicine

Research Project

Project/Area Number 21K19906
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 90:Biomedical engineering and related fields
Research InstitutionKyoto University

Principal Investigator

Komatsu Naoki  京都大学, 人間・環境学研究科, 教授 (30253008)

Project Period (FY) 2021-07-09 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2023: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2022: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2021: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsナノ医療 / 癌 / ナノ粒子 / 蛍光 / イメージング
Outline of Research at the Start

申請者らは、ごく最近、ダイヤモンドナノ粒子(ND)を高親水性高分子であるポリグリセロール(PG)で被覆し、蛍光剤(Cy7)で標識したND-PG-Cy7を合成し、これを担癌マウスに投与し、生体蛍光イメージングを行い、蛍光ナノ粒子が腫瘍に選択的に集積することを明らかにした。なぜ、このような現象が見られたかについて、実験的に明らかにすることにより、癌ナノ医療の本質を見極める。

Outline of Final Research Achievements

First, we prepared boron carbide nanoparticles with various structures and properties which are functionalized with polyglycerol. Second, we applied this materials intravenously to cancered mice from tail vein. After a few days later, we picked up the organs, tumor and blood, and determined the concentrations of boron-10 by prompt gamma ray analyses. As a result, we found that the boron-10 accumulation in tumor is found to be consistent with the suppression of the tumor growth.

Academic Significance and Societal Importance of the Research Achievements

腫瘍を標的とする薬物送達システム(drug delivery system)において、送達効率の向上は、非常に重要である。その中で、送達物資の構造や物性の影響がいかに大きいかについて明らかにした本研究の意義は、非常に大きい。また、長年、社会問題となっている癌の治療にも新たな考えを提供することとなり、その解決に大きく貢献することになると確信する。

Report

(2 results)
  • 2023 Final Research Report ( PDF )
  • 2021 Research-status Report
  • Research Products

    (6 results)

All 2022 2021

All Journal Article (2 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (3 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Probing the role of charged functional groups on nanoparticles grafted with polyglycerol in protein adsorption and cellular uptake2022

    • Author(s)
      Yajuan Zou,Shinji Ito,Masazumi Fujiwara,Naoki Komatsu
    • Journal Title

      Advanced Functional Materials

      Volume: na Issue: 22 Pages: 2111077-2111077

    • DOI

      10.1002/adfm.202111077

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Conjugation of Phenylboronic Acid Moiety through Multistep Organic Transformations on Nanodiamond Surface for an Anticancer Nanodrug for Boron Neutron Capture Therapy2021

    • Author(s)
      Nishikawa Masahiro、Kang Heon Gyu、Zou Yajuan、Takeuchi Hidekazu、Matsuno Naoyoshi、Suzuki Minoru、Komatsu Naoki
    • Journal Title

      Bulletin of the Chemical Society of Japan

      Volume: 94 Issue: 9 Pages: 2302-2312

    • DOI

      10.1246/bcsj.20210200

    • NAID

      130008103567

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Advanced Carbon Materials for Tumor Targeting Theranostics2022

    • Author(s)
      Naoki Komatsu
    • Organizer
      EMRS Spring Meeting
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Carbon-Based Nanoparticles for Cancer Theranostics: From Fundamental Chemistry to Advanced Biomedicine2022

    • Author(s)
      Naoki Komatsu
    • Organizer
      New Diamond and Nano Carbons 2022
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 化学修飾ナノ材料を用いた腫瘍標的セラノスティクス2021

    • Author(s)
      小松直樹
    • Organizer
      第72回中国四国産学連携化学フォーラム
    • Related Report
      2021 Research-status Report
    • Invited
  • [Patent(Industrial Property Rights)] 修飾炭化ホウ素粒子及びそれを含む中性子捕捉療法用薬剤2021

    • Inventor(s)
      小松 直樹、鈴木 実
    • Industrial Property Rights Holder
      小松 直樹、鈴木 実
    • Industrial Property Rights Type
      特許
    • Filing Date
      2021
    • Related Report
      2021 Research-status Report

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

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