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Neuroprotective effects of Go-sha-jinki-Gan in a Parkinson's disease model

Research Project

Project/Area Number 17K09299
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field General internal medicine(including psychosomatic medicine)
Research InstitutionOsaka University

Principal Investigator

Baba Kousuke  大阪大学, 医学系研究科, 特任講師(常勤) (90750159)

Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords神経疾患 / 牛車腎気丸 / 神経炎症 / 漢方薬 / 中枢神経 / パーキンソン病 / 実験的脊髄炎 / 実験的自己免疫性脊髄炎 / 実験的自己免疫性脊髄炎モデル / 漢方 / 神経保護
Outline of Final Research Achievements

We examined the anti-neuroinflammatory effects of Go-sha-jinki-Gan (GJG), a herbal medicine used in clinical practice, using a model of central nervous system disease. Using two animal models with different pathological mechanisms, a drug-induced Parkinson's disease model and a experimental autoimmune myelitis model, we confirmed biochemically and pathologically that GJG suppresses the expression of the proinflammatory cytokine TNFα by inhibiting p38 phosphorylation, and then inhibits the activation and aggregation of microglia and astrocytes. These results indicate that GJG inhibits neuroinflammation in the central nervous system by suppressing the phosphorylation of p38 in microglia through oral administration. These results were published in the journal Neurotherapeutics.

Academic Significance and Societal Importance of the Research Achievements

これまで臨床現場で使用されてきた牛車腎気丸(GJG)が神経障害に効果を有することは経験的に知られてきた。本研究でその機序を生化学的に明らかにしすることで科学的な裏付けが示す事が出来たと考える。また、今回の研究成果から経口投与で中枢神経系での炎症反応を抑制することが示され、本剤の臨床応用の可能性を拡げたと考える。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (6 results)

All 2020 2019 2018 2017

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

  • [Journal Article] Go-sha-jinki-Gan Alleviates Inflammation in Neurological Disorders via p38-TNF Signaling in the Central Nervous System2020

    • Author(s)
      Shiying Jiang, Kousuke Baba, Tatsusada Okuno, Makoto Kinoshita, Chi-Jing Choong, Hideki Hayakawa, Hiroshi Sakiyama, Kensuke Ikenaka, Seiichi Nagano, Tsutomu Sasaki, Munehisa Shimamura, Yoshitaka Nagai, Keisuke Hagihara, Hideki Mochizuki
    • Journal Title

      Neurotherapeutics

      Volume: 17 Issue: 1 Pages: 1-14

    • DOI

      10.1007/s13311-020-00948-w

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Structurally Distinct α‐Synuclein Fibrils Induce Robust Parkinsonian Pathology2019

    • Author(s)
      Hayakawa Hideki、Nakatani Rie、Ikenaka Kensuke、Aguirre Cesar、Choong Chi‐Jing、Tsuda Hiroshi、Nagano Seiichi、Koike Masato、Ikeuchi Takeshi、Hasegawa Masato、Papa Stella M.、Nagai Yoshitaka、Mochizuki Hideki、Baba Kousuke
    • Journal Title

      Movement Disorders

      Volume: 35 Issue: 2 Pages: 256-267

    • DOI

      10.1002/mds.27887

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Go-sha-jinki-gan (GJG), increases muscle weight in severe muscle dystrophy model mice.2017

    • Author(s)
      Takemoto Y, Inaba S, Zhang L, Baba K, Hagihara K, Fukada S.
    • Journal Title

      Clinical Nutrition Experimental

      Volume: 16 Pages: 13-23

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] GO-SHA-JINKI-GAN (GJG) prevent inflammation in MPTP induced Parkinson’s disease model mice.2019

    • Author(s)
      Jiang S, Baba K, Hayakawa H, Hagihara K, Mochizuki H.
    • Organizer
      6th Asian and Oceanian Parkinson’s Disease and Movement Disorders Congress (MDS-AOS 2019)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] GO-SHA-JINKI-GAN (GJG) Palliates Progression of EAE Mice by Anti-inflammatory Mechanism2018

    • Author(s)
      Shiying Jiang, Kousuke Baba, Tatsusada Okuno, Hideki Hayakawa, Chiharu Shiomoto, Kensuke Ikenaka, Tsutomu Sasaki, Seiichi Nagano, Yoshitaka Nagai, Keisuke Hagihara, Hideki Mochizuki
    • Organizer
      第59回日本神経学会学術大会
    • Related Report
      2018 Research-status Report
  • [Presentation] GO-SHA-JINKI-GAN (GJG) Palliates Inflammation In Experimental Autoimmune Encephalomyelitis (EAE) Mice2017

    • Author(s)
      Shiying Jiang, Kousuke Baba, Tatsusada Okuno, Hideki Hayakawa, Chiharu Shiomoto, Kensuke Ikenaka, Tsutomu Sasaki, Seiichi Nagano, Yoshitaka Nagai, Keisuke Hagihara, Hideki Mochizuki
    • Organizer
      XXIII World Congress of Neurology (WCN 2017), Kyoto, Japan
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research

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Published: 2017-04-28   Modified: 2022-01-27  

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