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Facial nerve regeneration with using a nanofiber sheet incorporating methylcobalamin,

Research Project

Project/Area Number 18K09346
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 56050:Otorhinolaryngology-related
Research InstitutionOsaka University

Principal Investigator

Sato Takashi  大阪大学, 医学系研究科, 助教 (30756002)

Co-Investigator(Kenkyū-buntansha) 今井 貴夫  大阪大学, 医学系研究科, 准教授 (80570663)
Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords顔面神経麻痺 / メチルコバラミン / 徐放性シート / 神経再生 / シリコン製剤 / 顔面神経 / 生体徐放性シート
Outline of Final Research Achievements

As for the treatment for the idiopathic facial paralysis, steroid is commonly used as conservative treatment. We examined the effect on facial nerve disorder by methylcobalamin from a point of view to promote the nerve regeneration.
It takes long time that injured facial nerve extended to the target region, therefore we made a nanofiber sheet incorporating methylcobalamin which can be continuously administered to the nerve injured area.Using it, it is confirmed that the methylobalamin group mice which is put the nanofiber sheet in the affected part of the model mouse (facial nerve damage model mouse) showed the earlier recovery than the control group mice (no medication).

Academic Significance and Societal Importance of the Research Achievements

顔面神経損傷部位に、メチルコバラミンを長期間投与することによって顔面神経麻痺の回復が早くなったことがマウスにおいて判明した。メチルコバラミンを少量ずつ長期にわたって徐放できるシートも獲得ずみである。このシートを顔面神経麻痺症例に投与することによって早期の回復が期待できる。現在、難治性顔面神経麻痺症例に対して、顔面神経を開放する顔面神経減荷術といった外科治療が行われているが、今回の徐放性シートを併用することによって、よりよい治療成績が得られることが期待できる。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (3 results)

All 2021 2020 2019

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

  • [Journal Article] 当科にて施行した顔面神経減荷術症例の検討2020

    • Author(s)
      佐藤崇、猪原秀典
    • Journal Title

      Facial N Res Jpn

      Volume: 40 Pages: 138-140

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] 減荷術を行った外傷性顔面神経麻痺症例の検討2019

    • Author(s)
      佐藤崇、猪原秀典
    • Journal Title

      Facial Nerve Research Japan

      Volume: 39 Pages: 82-84

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] 外傷性顔面神経麻痺に対して減荷術を行った症例の検討2021

    • Author(s)
      佐藤崇
    • Organizer
      第31回頭頸部外科学会
    • Related Report
      2021 Annual Research Report

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Published: 2018-04-23   Modified: 2023-01-30  

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