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Evaluation of retinal spatial sensitivities in cyprinid fish toward objective monitoring of the retinal function

Research Project

Project/Area Number 26730149
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Life / Health / Medical informatics
Research InstitutionToyohashi University of Technology

Principal Investigator

Harimoto Tetsuhiro  豊橋技術科学大学, エレクトロニクス先端融合研究所, 特任助教 (40387626)

Co-Investigator(Renkei-kenkyūsha) USUI SHIRO  豊橋技術科学大学, エレクトロニクス先端融合研究所, 特任教授 (40023337)
Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords網膜電位図 / 多局所網膜電位図 / 硬骨魚類 / 時空間分布 / マルチ電極プローブ / ミシガンプローブ / VERIS / ERG / mfERG / 電気生理 / ERG / mfERG
Outline of Final Research Achievements

Toward the future iPS cell therapies, we study about an objective monitoring scheme of retinal functions via analyses of the mfERG using mathematical models of the retina. As a preliminary study, we examined spatial sensitivities of the carp retina by using mfERG. MfERG results showed that the spatial distributions of retinal light responses in carp showed regional differences. Compared to the large response in the ventral-temporal retina region, small responses were found in the dorsal-nasal region and optic nerve located in the center of the retina. This result was in agreement with the high density of retinal ganglion cells in the ventral-temporal region of cyprinid zebrafish (Mangrum et al. 2002; Pita et al. 2015). The result in this report is an important evidence for our purpose.

Report

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

    (10 results)

All 2015 2014 Other

All Presentation (8 results) (of which Int'l Joint Research: 2 results) Remarks (2 results)

  • [Presentation] Evaluation of Retinal Spatial Sensitivity in Cyprinid Fish2015

    • Author(s)
      Harimoto, T., Kamiji, N. L., and Usui, S.
    • Organizer
      The Irago Conference 2015
    • Place of Presentation
      Tahara, Aichi, Japan
    • Year and Date
      2015-10-22
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Multifocal Electroretinogram (mfERG) from the Eyecup Preparation in the Cyprinid Fish2015

    • Author(s)
      Harimoto, T. and Usui, S.
    • Organizer
      The 5th European Retina Meeting (ERM2015)
    • Place of Presentation
      Brighton, UK
    • Year and Date
      2015-10-01
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] コイ眼盃標本における多局所網膜電位図2015

    • Author(s)
      針本哲宏, 臼井支朗
    • Organizer
      第54回日本生体医工学会大会
    • Place of Presentation
      名古屋国際会議場(愛知県名古屋市熱田区)
    • Year and Date
      2015-05-07 – 2015-05-09
    • Related Report
      2014 Research-status Report
  • [Presentation] コイ眼盃標本における多局所網膜電位図2015

    • Author(s)
      針本哲宏, 臼井支朗
    • Organizer
      第54回日本生体医工学大会
    • Place of Presentation
      名古屋国際会議場, 愛知県
    • Year and Date
      2015-05-07
    • Related Report
      2015 Annual Research Report
  • [Presentation] Spatial Distribution of Retinal Light Responses in Carp via Multifocal Electroretinography2014

    • Author(s)
      Harimoto, T. and Usui, S.
    • Organizer
      14th Japan-China-Korea Joint Workshop onNeurobiology and Neuroinformatics (NBNI2014)
    • Place of Presentation
      Okazaki Conference Center, Okazaki-city, Aichi, Japan
    • Year and Date
      2014-12-18 – 2014-12-20
    • Related Report
      2014 Research-status Report
  • [Presentation] Stable low noise recordings from retinal horizontal cells2014

    • Author(s)
      Kamiji, N. L., Harimoto, T., and Usui, S.
    • Organizer
      14th Japan-China-Korea Joint Workshop onNeurobiology and Neuroinformatics (NBNI2014)
    • Place of Presentation
      Okazaki Conference Center, Okazaki-city, Aichi, Japan
    • Year and Date
      2014-12-18 – 2014-12-20
    • Related Report
      2014 Research-status Report
  • [Presentation] Spatial Distribution of Multifocal Electroretinogram in Carp2014

    • Author(s)
      Harimoto, T. and Usui, S.
    • Organizer
      The Irago Conference 2014
    • Place of Presentation
      AIST, Tsukuba-city, Ibaraki, Japan
    • Year and Date
      2014-11-06 – 2014-11-07
    • Related Report
      2014 Research-status Report
  • [Presentation] Low Noise Electrophysiological Setup for Intracellular Recordings from Retinal Horizontal Cells2014

    • Author(s)
      Kamiji, N. L., Harimoto, T., and Usui, S.
    • Organizer
      The Irago Conference 2014
    • Place of Presentation
      AIST, Tsukuba-city, Ibaraki, Japan
    • Year and Date
      2014-11-06 – 2014-11-07
    • Related Report
      2014 Research-status Report
  • [Remarks] 針本 哲宏(はりもと てつひろ)|教員紹介|豊橋技術科学大学

    • URL

      http://www.tut.ac.jp/university/faculty/eiiris/702.html

    • Related Report
      2014 Research-status Report
  • [Remarks] TETSUHIRO HARIMOTO - EIIRIS

    • URL

      http://harimoto.jimdo.com/

    • Related Report
      2014 Research-status Report

URL: 

Published: 2014-04-04   Modified: 2017-05-10  

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