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Immunopharmacological-efficacy analysis of vitamin K2 for the purpose of introduction for immunosuppressive therapy in renal transplantation.

Research Project

Project/Area Number 16K08414
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Medical pharmacy
Research InstitutionTokyo University of Pharmacy and Life Science

Principal Investigator

Sugiyama Kentaro  東京薬科大学, 薬学部, 准教授 (50574745)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords腎移植患者 / ビタミンK2 / 適応外使用
Outline of Final Research Achievements

Vitamin K2 significantly inhibited proliferation of concanavarin A-stimulated peripheral blood mononuclear cells (PBMCs) derived from dialysis patients and healthy subjects. The vitamin K2 potencies were similar in these subjects. VK2 did not largely change the amounts of cytokines produced from activated PBMCs of both dialysis patients and healthy subjects. Percentage of regulatory T cells in PBMCs of dialysis patients, but not of healthy subjects, decreased by VK2 treatment.
Renal transplant recipients are received combination immunosuppressive therapy with steroids. Deviation in the VK2 pharmacological efficacies was small in PBMCs of both healthy subjects and dialysis patients. However, the steroid potencies on the activated PBMCs deviated largely. Therefore, we also developed and evaluated the PBMC suppressive efficacy of VK2 combined with other immunosuppressive drugs, aiming the application of this strategy to a new combination immunosuppressive therapy.

Academic Significance and Societal Importance of the Research Achievements

腎移植における免疫抑制療法は、過剰免疫抑制による日和見感染症やステロイド性の骨粗鬆症等の副作用も散見される。VK2は、透析患者と健常者のいずれのPBMCに対しても増殖抑制効果を示した。その薬効には個人差が少なく、両群のPBMCに対し同等な薬効が得られた。VK2は骨粗鬆症に適応を持ち副作用が少ない。そのため従来の免疫抑制療法にVK2を加えた薬物療法は、免疫抑制薬の減量による副作用軽減とステロイド性骨粗鬆症の軽減に大きく寄与出来ると考えられる。さらに、VK2と他の免疫抑制薬の併用を模した薬効評価系を確立することにより、VK2を併用した腎移植免疫抑制薬物療法の個別化に大きく貢献するものと思われた。

Report

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

    (7 results)

All 2018 2017 2016

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (6 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Journal Article] Vitamin K1 and Vitamin K2 immunopharmacological effects on the peripheral lymphocytes of healthy subjects and dialysis patients, as estimated by the lymphocyte immunosuppressant sensitivity test2018

    • Author(s)
      Kusano Junichi、Tanaka Sachiko、Matsuda Hiroto、Hara Yoshikazu、Fujii Yoshiaki、Suzuki Shinya、Sekiyama Masao、Ando Eiki、Sugiyama Kentaro、Hirano Toshihiko
    • Journal Title

      Journal of Clinical Pharmacy and Therapeutics

      Volume: 43 Pages: 895-902

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Presentation] 活性化ヒト末梢血単核細胞増殖に対するビタミンK2の抑制作用の機序およびビタミンK2とプレドニゾロンの併用効果について2018

    • Author(s)
      依田彩花、孟科含、杉山健太郎、平野俊彦
    • Organizer
      第97回東京医科大学・東京薬科大学 免疫アレルギー研究会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 腎移植の免疫抑制療法導入を目的としたビタミンK類の薬効解析2017

    • Author(s)
      杉山健太郎、草野淳一、安藤栄輝、原義和、松田洋人、平野俊彦
    • Organizer
      第50回日本臨床腎移植学会
    • Place of Presentation
      兵庫県
    • Year and Date
      2017-02-15
    • Related Report
      2016 Research-status Report
  • [Presentation] Cellular pharmacodynamics of immunosuppressive drugs and vitamin K derivatives in renal transplant recipients and patients with immune diseases.2017

    • Author(s)
      Sugiyama K, Meng K, Wen-Cheng Xu, Yuan Bo, Hirano T
    • Organizer
      The Second Academic Annual Conference of Specialty Committee of Hematology of World Federation of Chinese Medicine Societies
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 腎移植における免疫抑制療法への導入を展望としたビタミンK類の薬効解析2016

    • Author(s)
      杉山健太郎、草野淳一、山口美紀、佐口佳穂、嶋村幸佑、井上仁、松田洋人、原義和、藤井芳明、鈴木信也、関山正夫、安藤栄輝、田中祥子、平野俊彦
    • Organizer
      第26回日本医療薬学会
    • Place of Presentation
      京都府
    • Year and Date
      2016-09-17
    • Related Report
      2016 Research-status Report
  • [Presentation] 末梢血単核細胞に対するビタミンK類の抑制作用について2016

    • Author(s)
      杉山健太郎、草野淳一、山口美紀、佐口佳穂、嶋村幸佑、井上仁、鈴木信也、関山正夫、安藤栄輝、原義和、松田洋人、田中祥子、平野俊彦
    • Organizer
      第177回東京医学会総会
    • Place of Presentation
      東京都
    • Related Report
      2016 Research-status Report
  • [Presentation] 腎移植における免疫抑制療法の導入を目的としたビタミンK類の薬効解析2016

    • Author(s)
      杉山健太郎、草野淳一、山口美紀、佐口佳穂、嶋村幸佑、井上仁、鈴木信也、関山正夫、安藤栄輝、原義和、松田洋人、田中祥子、平野俊彦
    • Organizer
      第95回免疫アレルギー研究会
    • Place of Presentation
      東京都
    • Related Report
      2016 Research-status Report

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

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