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Spheroidal cultivation of the human limbal epithelial niche from small limbal tissue.

Research Project

Project/Area Number 15K10907
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Ophthalmology
Research InstitutionTokyo Dental College

Principal Investigator

HIGA KAZUNARI  東京歯科大学, 歯学部, 助教 (60398782)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordscorneal limbal niche / 角膜上皮幹細胞 / ニッチ / スフェロイド / 幹細胞ニッシェ / 角膜輪部上皮
Outline of Final Research Achievements

To improve the cultivation method, we assumed a limited autologous tissue and performed spheroidal cultivation from human small limbal tissue. Uniformly small and round spheroids were formed even from small limbal tissue. Efficiency of spheroidal formation was differed in the derived site of the original limbus. Spheroids derived from the high spheroidal formation site showed the large colony forming efficiency and higher ratio of slow cycling cells. In addition, N-cadherin was infrequently-expressed in epithelial spheroid. Spheroids were maintained post-operative adaptation and epithelial proliferation in a limbal-deficient rabbit transplantation model.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (5 results)

All 2016 2015

All Presentation (5 results) (of which Int'l Joint Research: 2 results)

  • [Presentation] 角膜輪部ニッチ培養における低酸素の影響2016

    • Author(s)
      比嘉一成、宮下英之、島崎潤、坪田一男、榛村重人
    • Organizer
      第37回 日本炎症・再生学会
    • Place of Presentation
      京都
    • Year and Date
      2016-06-15
    • Related Report
      2016 Research-status Report
  • [Presentation] Spheroidal cultivation of the human limbal epithelial niche from small limbal tissue.2016

    • Author(s)
      Kazunari Higa, Hideyuki Miyashita, Jun Shimazaki, Kazuo Tsubota, Shigeto Shimmura
    • Organizer
      2016 ARVO Annual Meeting
    • Place of Presentation
      シアトル
    • Year and Date
      2016-05-01
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Spheroidal cultivation of the human limbal epithelial niche from small limbal tissue.2016

    • Author(s)
      Kazunari Higa, Hideyuki Miyashita, Jun Shimazaki, Kazuo Tsubota, Shigeto Shimmura
    • Organizer
      ARVO2016 Annual meeting
    • Place of Presentation
      America (Seattle)
    • Year and Date
      2016-04-30
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 少量組織から角膜輪部ニッチ培養法の検討2016

    • Author(s)
      比嘉一成、宮下英之、島崎潤、坪田一男、榛村重人
    • Organizer
      角膜カンファランス2016
    • Place of Presentation
      軽井沢
    • Year and Date
      2016-02-18
    • Related Report
      2015 Research-status Report
  • [Presentation] 自己少量角膜輪部ニッチ培養法の検討2015

    • Author(s)
      比嘉一成、宮下英之、島崎潤、坪田一男、榛村重人
    • Organizer
      第36回 日本炎症・再生学会
    • Place of Presentation
      東京
    • Year and Date
      2015-07-21
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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