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Identification of vascular endothelial stem cells and their potential role in ocular angiogenesis

Research Project

Project/Area Number 26893138
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Ophthalmology
Research InstitutionOsaka University

Principal Investigator

Wakabayashi Taku  大阪大学, 医学部附属病院, 医員 (20733116)

Project Period (FY) 2014-08-29 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords血管新生 / 血管内皮細胞 / 血管内皮幹細胞 / 脈絡膜 / 網膜 / Side population / FACS
Outline of Final Research Achievements

Ocular neovascular diseases, including diabetic retinopathy and the neovascular form of age-related macular degeneration (AMD) are the most common cause of severe vision loss worldwide. In this study, we isolated a small population of vascular endothelial stem-like cells in the pre-existing blood vessels which may be a source of new vascular endothelial cells during angiogenesis and may be a target for novel therapeutic strategy for ocular neovascular diseases. We also identified that those specific vascular endothelial cells express specific genes and contribute to neovessel formation in vivo by analyzing transgenic mouse model.

Report

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

    (5 results)

All 2016 2015

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Acknowledgement Compliant: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results,  Invited: 2 results)

  • [Journal Article] Endothelial side population cells contribute to tumor angiogenesis and anti- angiogenic drug resistance2016

    • Author(s)
      Hisamichi Naito, Taku Wakabayashi, Hiroyasu Kidoya, Fumitaka Muramatsu, Kazuhiro Takara, Daisuke Eino, Keitaro Yamane, Tomohiro Iba, Nobuyuki Takakura
    • Journal Title

      Cancer research

      Volume: -

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evaluation of PSF1 as a prognostic biomarker for prostate cancer.2015

    • Author(s)
      Tahara H, Naito H, Kise K, Wakabayashi T, Kamoi K, Okihara K, Yanagisawa A, Nakai Y, Nonomura N, Morii E, Miki T, Takakura N
    • Journal Title

      Prostate Cancer Prostatic Dis

      Volume: 18 Issue: 1 Pages: 56-62

    • DOI

      10.1038/pcan.2014.46

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Vascular regeneration2016

    • Author(s)
      Taku Wakabayashi
    • Organizer
      The 31st Asia-Pacific Academy of Ophthalmology Congress (APAO 2016)
    • Place of Presentation
      台湾
    • Year and Date
      2016-03-24
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 網膜血管の再生医療2016

    • Author(s)
      若林卓
    • Organizer
      第15回日本再生医療学会総会
    • Place of Presentation
      大阪
    • Year and Date
      2016-03-17
    • Related Report
      2015 Annual Research Report
    • Invited
  • [Presentation] Newly identified vascular endothelial stem-like cells and ocular angiogenesis2015

    • Author(s)
      若林卓
    • Organizer
      30th Asia-Pacific Academy of Ophthalmology Congress
    • Place of Presentation
      広州(中国)
    • Year and Date
      2015-04-01 – 2015-04-04
    • Related Report
      2014 Annual Research Report

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Published: 2014-09-09   Modified: 2017-05-10  

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