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Artificial Synapse Formation for the Implantable Artificial Organ of Corti

Research Project

Project/Area Number 23791930
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Otorhinolaryngology
Research InstitutionKyorin University

Principal Investigator

MASUDA Masatsugu  杏林大学, 医学部, 講師 (20317225)

Project Period (FY) 2011-04-28 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2014: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2013: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywordsらせん神経節 / 内耳 / 蝸牛 / シナプス / 神経成長因子 / 聴力 / 蝸牛恒常性 / らせん神経節細胞 / 瘢痕 / 人工シナプス / 感音難聴 / 治療 / コーティング
Outline of Final Research Achievements

The aim of the present study is to form synapses between the spiral ganglion (SG) neurons and beads. I got following results. 1. SG neurons formed more neuronal fiber adhesion to beads coated with neurotrophic factor than to those without any chemicals. 2. Neurite outgrowth was impeded by cells around the organ of Corti. 3. A reliable evidence of synaptic marker expression was not obtained at beads contacted with neurites. 4. Cochlear homeostasis is critical for regeneration of cochlear cells. 5. Taken together, I again realized that prevention of hearing loss and revealing the mechanism of hearing loss are important in addition to treatments, because achieving a complete recovery of sensorineural hearing loss seems to be very hard.

Report

(5 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (5 results)

All 2015 2012 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (1 results) Remarks (3 results)

  • [Journal Article] Correlations of Inflammatory Biomarkers with the Onset and Prognosis of Idiopathic Sudden Sensorineural Hearing Loss2012

    • Author(s)
      Masatsugu Masuda, et al.
    • Journal Title

      Otology & Neurotology

      Volume: 33 Issue: 7 Pages: 1142-1150

    • DOI

      10.1097/mao.0b013e3182635417

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] The Hearing Level Change of the Versatile Gene Modulation Mouse (NKCC1-tetO mouse)2015

    • Author(s)
      Watabe T, Masuda M, et al.
    • Organizer
      Association for Research in Otolaryngology
    • Place of Presentation
      Baltimore, Maryland
    • Year and Date
      2015-02-21 – 2015-02-25
    • Related Report
      2014 Annual Research Report
  • [Remarks] 杏林大学 医学研究科 研究室、研究グループ紹介 耳鼻咽喉科学教室

    • URL

      http://www.kyorin-u.ac.jp/univ/graduate/medicine/education/departments/otolaryngology/

    • Related Report
      2014 Annual Research Report
  • [Remarks] 杏林大学 大学院医学研究科 研究室、研究グループ紹介 耳鼻咽喉科学教室

    • URL

      http://www.kyorin-u.ac.jp/univ/graduate/medicine/education/departments/otolaryngology/

    • Related Report
      2013 Research-status Report
  • [Remarks] 杏林大学 大学院医学研究科 研究室、研究グループ紹介

    • URL

      http://www.kyorin-u.ac.jp/univ/graduate/medicine/education/departments/otolaryngology/

    • Related Report
      2012 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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