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Effect of processed aconite root on neuropathic pain and its active ingredients and action mechanisms

Research Project

Project/Area Number 16K08298
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Natural medicines
Research InstitutionNagoya City University

Principal Investigator

Makino Toshiaki  名古屋市立大学, 大学院薬学研究科, 教授 (80326561)

Co-Investigator(Kenkyū-buntansha) 大澤 匡弘  名古屋市立大学, 大学院薬学研究科, 准教授 (80369173)
Research Collaborator Tanimura Yohei  
Yoshida Masato  
Ishiuchi Kan'ichiro  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsトリカブト / ブシ / 神経障害性疼痛 / ネオリン / パクリタキセル / オキサリプラチン / 加工ブシ / アロディニア
Outline of Final Research Achievements

Processed aconite root (PA), the root of Aconitum carmichaeli (Ranunculaceae), is a crude drug used in Japanese kampo medicine to treat pain associated with coldness. The present study investigated the effects of PA on murine peripheral neuropathy models. PA boiled water extract was orally administered, and either neoline or benzoylmesaconine was subcutaneously injected into the murine model. Mechanical hyperalgesia was evaluated via the von Frey filament method. PA extract and neoline significantly attenuated the mechanical hyperalgesia induced by either paclitaxel or partial ligation of the sciatic nerve in mice. Subcutaneous injection of benzoylmesaconine did not attenuate the hyperalgesia induced in each model. The present results indicate that PA and its active ingredient, neoline, are promising agents for the alleviation of neuropathic pain. Neoline can be used as a marker compound to determine the quality of the PA products for the treatment of neuropathic pain.

Academic Significance and Societal Importance of the Research Achievements

漢方医学では、トリカブトの根を痛みに対して使用する。しかし、トリカブトの根は毒性が高く、実際には加熱による減毒処理後に利用される。今回、発見した化合物、ネオリンは、従来の鎮痛薬が効きにくい神経障害性疼痛に対して有用性を示し、これまで知られていたトリカブトの根に含まれる鎮痛活性成分(=毒性成分の加熱による分解産物)は無効であった。ネオリンは、トリカブトの根を加熱、減毒処理しても、その含量は変化しなかった。以上のことから、トリカブトの根を減毒処理したものは、神経障害性疼痛治療薬として有用と考えられ、またネオリンをリード化合物とした新しい神経障害性疼痛治療薬の開発も期待できる。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (5 results)

All 2019 2018 2016

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Neoline is the active ingredient of processed aconite root against murine peripheral neuropathic pain model, and its pharmacokinetics in rats2019

    • Author(s)
      Yohei Tanimura, Masato Yoshida, Kan'ichiro Ishiuchi, Masahiro Ohsawa, Toshiaki Makino
    • Journal Title

      Journal of Ethnopharmacology

      Volume: 241 Pages: 111859-111859

    • DOI

      10.1016/j.jep.2019.111859

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Processed aconite root and its active ingredient neoline may alleviate oxaliplatin-induced peripheral neuropathic pain2016

    • Author(s)
      Toshiaki Suzuki, Keisuke Miyamoto, Naomi Yokoyama, Mayuko Sugi, Akina Kagioka, Yuka Kitao, Takumi Adachi, Masahiro Ohsawa, Hajime Mizukami, Toshiaki Makino
    • Journal Title

      J. Ethenopharmacol.

      Volume: 186 Pages: 44

    • DOI

      10.1016/j.jep.2016.03.056

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Presentation] 加工ブシ成分、benzoylmesaconineとneolineの体内動態および神経障害性疼痛に対する作用の比較検討2018

    • Author(s)
      谷村陽平、吉田理人、石内勘一郎、大澤匡弘、牧野利明
    • Organizer
      第35回和漢医薬学会学術大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Paclitaxelによるマウス神経障害性疼痛に対する加工ブシの緩和作用2018

    • Author(s)
      吉田理人、石内勘一郎、大澤匡弘、牧野利明
    • Organizer
      第34回和漢医薬学会学術大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Processed aconite root (附子) and its active ingredient neoline may alleviate oxaliplatin-induced peripheral neuropathic pain2016

    • Author(s)
      Toshiaki Suzuki, Keisuke Miyamoto, Naomi Yokoyama, Mayuko Sugi, Akina Kagioka, Takumi Adachi, Masahiro Ohsawa, Hajime Mizukami, Toshiaki Makino
    • Organizer
      The 18th International Congress of Oriental Medicine
    • Place of Presentation
      Okinawa
    • Year and Date
      2016-04-16
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research

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Published: 2016-04-21   Modified: 2020-03-30  

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