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Investigation of the role of longevity genes in the retina using genome editing technology

Research Project

Project/Area Number 18K09410
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 56060:Ophthalmology-related
Research InstitutionOkayama University

Principal Investigator

Morizane Yuki  岡山大学, 医歯薬学総合研究科, 教授 (50432646)

Co-Investigator(Kenkyū-buntansha) 大内 淑代  岡山大学, 医歯薬学総合研究科, 教授 (00253229)
米澤 朋子  岡山大学, 医歯薬学総合研究科, 助教 (30304299)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords網膜色素上皮細胞 / 加齢黄斑変性
Outline of Final Research Achievements

Age-related macular degeneration (AMD) is an intractable ocular disease that leads to blindness, and the number of patients with AMD is expected to increase rapidly. In this study, we targeted sirtuins (SIRTs) and KCNJ13, one of the potassium channels in RPE, among the genes thought to be related to the function of RPE, and aimed to clarify the effects of these genes on the function of RPE using genome editing technology. As for KCNJ13 gene, we found that the KCNJ13 gene in iPS-RPE is regulated by genome editing, but not by genome editing. Since the RPE is essentially a monolayer epithelial cell that forms tight junctions and functions as a blood-eye barrier, the deletion of the KCNJ13 gene may affect other RPE and retinal functions. Therefore, the deletion of the KCNJ13 gene may affect other RPE and retinal functions, and may be involved in the pathogenesis of AMD.

Academic Significance and Societal Importance of the Research Achievements

網膜色素上皮細胞におけるKCNJ13遺伝子の役割をゲノム編集によって得たiPS-RPEを用いて解明した。 網膜色素上皮細胞はタイトジャンクションを形成し血液眼関門の機能を有することから、KCNJ13遺伝子の異常が様々な網膜疾患の病態に関与している可能性が示唆された。今後、本研究の成果を基盤としてKCNJ13遺伝子の機能がさらに解明されることが期待される。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (2 results)

All 2020

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (1 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] KCNJ13 Gene Deletion Impairs Cell Alignment and Phagocytosis in Retinal Pigment Epithelium Derived from Human-Induced Pluripotent Stem Cells2020

    • Author(s)
      Kanzaki Yuki、Fujita Hirofumi、Sato Keita、Hosokawa Mio、Matsumae Hiroshi、Shiraga Fumio、Morizane Yuki、Ohuchi Hideyo
    • Journal Title

      Investigative Opthalmology & Visual Science

      Volume: 61 Issue: 5 Pages: 38-38

    • DOI

      10.1167/iovs.61.5.38

    • NAID

      120006869576

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] KCNJ13 gene deletion impairs phagocytosis in retinal pigment epithelium derived from human-induced pluripotent stem cells.2020

    • Author(s)
      Yuki Kanzaki; Hirofumi Fujita; Keita Sato; Mio Hosokawa; Hiroshi Matsumae; Fumio Shiraga; Yuki Morizane; Hideyo Ohuchi
    • Organizer
      ARVO Annual Meeting 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research

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Published: 2018-04-23   Modified: 2022-01-27  

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