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Strategy of photoreceptor protective treatment for retinitis pigmentosa

Research Project

Project/Area Number 25462746
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Ophthalmology
Research InstitutionHirosaki University

Principal Investigator

Metoki Tomomi  弘前大学, 医学部附属病院, 講師 (00400169)

Co-Investigator(Renkei-kenkyūsha) Nakazawa Mitsuru  弘前大学, 大学院医学研究科, 教授 (80180272)
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords眼科学 / 網膜色素変性 / カルパイン / 眼薬理学 / ミトコンドリアカルパイン / iPS細胞 / 視細胞保護 / ペプチド療法 / ウサギ
Outline of Final Research Achievements

We previously reported that the 10-amino-acid fragment derived from the large fragment of rat mitochondrial calpain-1 have an inhibitory effect on the mitochondrial calpain-1. In the present study, we clarified that this peptide can be delivered to the rabbit retina by a topical instillation. In addition, we successfully made iPS cells from human skin fibroblasts for our future research projects. We also studied to examine whether or not the peptide derived from rats can demonstrate protective effects on human-derived cells such as ARPE-19 cells.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (4 results)

All 2014 2013

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 1 results) Presentation (1 results)

  • [Journal Article] Effects of intravitreal injection of bevacizumab on inflammatory cytokines in the vitreaous with proliferative diabetic retinopathy.2014

    • Author(s)
      Suzuki Y, Suzuki K, Yokoi Y, Miyagawa Y, Metoki T, Nakazawa M.
    • Journal Title

      Retina

      Volume: 34 Pages: 51-57

    • Related Report
      2014 Research-status Report 2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] A case of childfood vitrectomy to a dense vitreous hemorrhage secondary to leukemia therapy and tumor lysis syndrome2014

    • Author(s)
      Kudo T, Suzuki Y, Metoki T, Nakazawa M
    • Journal Title

      Case Reports in Ophthalmology

      Volume: 6 Issue: 1 Pages: 2015-2015

    • DOI

      10.1159/000374088

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Long-term effects of nilvadipine against progression of the central visual field defect in retinitis pigmentosa: An extended study.2013

    • Author(s)
      Nakazawa M, Suzuki Y, Ito T, Metoki T, Kudo T, Ohguro H.
    • Journal Title

      BioMed Research International

      Volume: 2013

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] ミトコンドリア・カルパイン-1阻害デコイペプチド点眼のウサギ網膜への送達2014

    • Author(s)
      中澤 満、尾﨑 拓、目時友美、安達功武、髙橋 静、石黒誠一、山下哲郎
    • Organizer
      第34回日本眼薬理学会
    • Place of Presentation
      長良川国際会議場
    • Year and Date
      2014-09-13 – 2014-09-14
    • Related Report
      2014 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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