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Wavelength dependency of light-induced retinal protection and its molecular mechanisms.

Research Project

Project/Area Number 22791661
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Ophthalmology
Research InstitutionShimane University

Principal Investigator

TANITO Masaki  島根大学, 医学部, 講師 (30284037)

Project Period (FY) 2010 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Keywords網膜光障害 / 網膜変性 / 酸化ストレス / 抗酸化酵素 / 光線波長 / 網膜光傷害
Research Abstract

Biological responses against various endogenous and exogenous stresses is primarily involved in the homeostatic mechanism in in vivo. This study was conducted to recognize molecular mechanisms of stress response against photooxidative stress in retinal cells/tissues and to accumulate knowledge that can be applied to retinal therapeutics for the future projects. In in vivo experiment using rats, by using the experimental settings established by me, I have explored action spectrums of retinal damage that induced by light exposure. In in vitro experiments, I have measured transmission spectrums of various types of intraocular lenses, and estimated retinal damage indexes that induced by light-pass through these lenses.

Report

(3 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • Research Products

    (9 results)

All 2012 2011 2010

All Journal Article (4 results) (of which Peer Reviewed: 2 results) Presentation (5 results)

  • [Journal Article] Intravitreal injection of erythropeitin glycosylation analogs does not protect rod photoreceptor cells from light-induced damage2012

    • Author(s)
      Tanito M, Li F, Anderson RE
    • Journal Title

      Adv Exp Med Biol

      Volume: 723 Pages: 137-143

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Measurement of transmission spectrums and estimation of retinal blue-light irradiance values of currently available clear and yellow-tinted intraocular lenses2011

    • Author(s)
      Tanito M, Okuno T, Ishiba Y, Ohira A
    • Journal Title

      Japanese Journal of Ophthalmology

      Volume: 56(1) Pages: 82-90

    • NAID

      10030248484

    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Journal Article] Protection of retinal pigment epithelium by OT-551 and its metabolite TEMPOL-H against light-induced damage in rats2010

    • Author(s)
      Tanito M, Li F, Anderson RE
    • Journal Title

      Experimental Eye Research

      Volume: 91(1) Pages: 111-4

    • Related Report
      2011 Final Research Report
  • [Journal Article] Protection of retinal pigment epithelium by OT-551 and its metabolite TEMPOL-H against light-induced damage in rats.2010

    • Author(s)
      Tanito M, Li F, Anderson RE
    • Journal Title

      Experimental Eye Research

      Volume: 91 Pages: 111-114

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] 網膜視細胞の機能及び障害における多価不飽和脂肪酸の二面的役割2011

    • Author(s)
      谷戸正樹, Anderson RE, 大平明弘
    • Organizer
      第9回医用分光学研究会
    • Place of Presentation
      松江市(島根大学)
    • Year and Date
      2011-11-13
    • Related Report
      2011 Annual Research Report
  • [Presentation] Retinal light damage induced by light exposure at different intervals in rats2011

    • Author(s)
      Kaidzu S, Okuno T, Tanito M, Ohira A
    • Organizer
      ARVO 2011 Annual Meeting
    • Place of Presentation
      Fort Lauderdale, FL
    • Related Report
      2011 Final Research Report
  • [Presentation] OT-551とTEMPOL-Hの網膜光傷害抑制効果2010

    • Author(s)
      谷戸正樹, Li F, Anderson RE
    • Organizer
      第30回日本眼薬理学会
    • Place of Presentation
      東京
    • Year and Date
      2010-10-02
    • Related Report
      2010 Annual Research Report
  • [Presentation] Estimation for protective effects of clear and yellow-tinted intraocular lenses against sunlight-induced retinal damage2010

    • Author(s)
      Tanito M, Okuno T, Ishiba Y, Ohira A
    • Organizer
      ARVO 2010 Annual Meeting
    • Place of Presentation
      Fort Lauderdale, FL
    • Related Report
      2011 Final Research Report
  • [Presentation] Retinal light damage induced by ultraviolet light in albino rats2010

    • Author(s)
      Kaidzu S, Okuno T, Tanito M, Ohira A
    • Organizer
      ARVO 2010 Annual Meeting
    • Place of Presentation
      Fort Lauderdale, FL
    • Related Report
      2011 Final Research Report

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Published: 2010-08-23   Modified: 2016-04-21  

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