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Development of new glaucoma therapy using effective delivery of factors associated with neuroprotection and axon regeneration

Research Project

Project/Area Number 19KK0229
Research Category

Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 56:Surgery related to the biological and sensory functions and related fields
Research InstitutionTokyo Metropolitan Institute of Medical Science

Principal Investigator

HARADA Takayuki  公益財団法人東京都医学総合研究所, 疾患制御研究分野, 参事研究員 (90345306)

Co-Investigator(Kenkyū-buntansha) 野呂 隆彦  東京慈恵会医科大学, 医学部, 助教 (00349606)
中野 匡  東京慈恵会医科大学, 医学部, 教授 (90217795)
Project Period (FY) 2019-10-07 – 2025-03-31
Project Status Completed (Fiscal Year 2024)
Budget Amount *help
¥18,460,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥4,260,000)
Fiscal Year 2023: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2022: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2021: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2020: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2019: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywords緑内障 / 神経栄養因子 / 遺伝子治療 / 眼内インプラント / Spermidine
Outline of Research at the Start

緑内障は我が国で最大の失明原因であるが、現状では眼圧を低下させる点眼薬の使用や手術以外には治療法がない。一方、神経栄養因子の産生細胞をデバイス内に封入し、眼内に留置することによって視機能を改善するという画期的な治療法が米国で検討されている。そこで本研究では同治療法の開発者と共同研究を行い、日本における導入を目標に検討を行う。

Outline of Final Research Achievements

Although there is no established treatment for glaucoma, a treatment that improves visual function by encapsulating neurotrophic factor-producing cells in a device and implanting it in the eye is being investigated in the United States. In this study, we examined the efficacy and safety of this treatment in an international collaboration with Professor Goldberg, who is leading this treatment. In the final year of the project, we held a glaucoma symposium at Stanford University to share the progress of our research. We also found that it is possible to suppress cell death by gene therapy in glaucoma models by modifying the brain-derived neurotrophic factor receptor to its constitutively active form. As mentioned above, we have gained many useful insights through our collaborative research.

Academic Significance and Societal Importance of the Research Achievements

緑内障は我が国では第1位の、世界でも第2位の失明原因であり、今後の高齢化社会においては、さらなる患者数の増加が危惧されている。緑内障では眼圧降下を目指した点眼や手術などの治療が一般的だが、それだけでは進行抑制が難しいケースもある。本研究は栄養因子を活用した遺伝子治療など、次世代の新たな治療法を目指すものであり、社会的にも国際的な観点からも、意義のある研究成果と考えられる。

Report

(7 results)
  • 2024 Annual Research Report   Final Research Report ( PDF )
  • 2023 Research-status Report
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (61 results)

All 2025 2024 2023 2022 2021 2020 Other

All Int'l Joint Research (6 results) Journal Article (15 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 14 results,  Open Access: 14 results) Presentation (23 results) (of which Int'l Joint Research: 9 results,  Invited: 10 results) Remarks (16 results) Patent(Industrial Property Rights) (1 results)

  • [Int'l Joint Research] Stanford University/Harvard Medical School/Memorial Sloan Kettering Cancer Center(米国)

    • Related Report
      2024 Annual Research Report
  • [Int'l Joint Research] Memorial Sloan Kettering Cancer Center(米国)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] UCL Institute of Ophthalmology(英国)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] Stanford University/Memorial Sloan Kettering Cancer Center(米国)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] Stanford University(米国)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] Stanford University(米国)

    • Related Report
      2019 Research-status Report
  • [Journal Article] Asking one mechanism in glial cells during neuroinflammation2025

    • Author(s)
      Guo Xiaoli、Harada Chikako、Harada Takayuki
    • Journal Title

      Neural Regeneration Research

      Volume: -

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Monogenic gene therapy for glaucoma and optic nerve injury2025

    • Author(s)
      Harada Chikako、Guo Xiaoli、Harada Takayuki
    • Journal Title

      Neural Regeneration Research

      Volume: -

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Drug combination of topical ripasudil and brimonidine enhances neuroprotection in a mouse model of optic nerve injury2024

    • Author(s)
      Namekata Kazuhiko、Noro Takahiko、Nishijima Euido、Sotozono Akiko、Guo Xiaoli、Harada Chikako、Shinozaki Youichi、Mitamura Yoshinori、Nakano Tadashi、Harada Takayuki
    • Journal Title

      Journal of Pharmacological Sciences

      Volume: 154 Issue: 4 Pages: 326-333

    • DOI

      10.1016/j.jphs.2024.02.011

    • Related Report
      2024 Annual Research Report 2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Membrane-anchored intracellular insulin receptor or insulin-like growth factor-1 receptor elicits ligand-independent downstream signaling2024

    • Author(s)
      Sotozono Akiko、Namekata Kazuhiko、Guo Xiaoli、Shinozaki Youichi、Harada Chikako、Noro Takahiko、Nakano Tadashi、Harada Takayuki
    • Journal Title

      Biochemistry and Biophysics Reports

      Volume: 39 Pages: 101799-101799

    • DOI

      10.1016/j.bbrep.2024.101799

    • Related Report
      2024 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Glial cells as a promising therapeutic target of glaucoma: beyond the IOP2024

    • Author(s)
      Shinozaki Youichi、Namekata Kazuhiko、Guo Xiaoli、Harada Takayuki
    • Journal Title

      Frontiers in Ophthalmology

      Volume: 3 Pages: 1310226-1310226

    • DOI

      10.3389/fopht.2023.1310226

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Neuroprotection and axon regeneration by novel low-molecular-weight compounds through the modification of DOCK3 conformation2023

    • Author(s)
      Namekata Kazuhiko、Tsuji Naoki、Guo Xiaoli、Nishijima Euido、Honda Sari、Kitamura Yuta、Yamasaki Atsushi、Kishida Masamichi、Takeyama Jun、Ishikawa Hirokazu、Shinozaki Youichi、Kimura Atsuko、Harada Chikako、Harada Takayuki
    • Journal Title

      Cell Death Discovery

      Volume: 9 Issue: 1 Pages: 1-8

    • DOI

      10.1038/s41420-023-01460-8

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Vision protection and robust axon regeneration in glaucoma models by membrane-associated Trk receptors.2023

    • Author(s)
      Nishijima E, Honda S, Kitamura Y, Namekata K, Kimura A, Guo X, Azuchi Y, Harada C, Murakami A, Matsuda A, Nakano T, Parada LF, Harada T.
    • Journal Title

      Mol Ther.

      Volume: 31 Issue: 3 Pages: 810-824

    • DOI

      10.1016/j.ymthe.2022.11.018

    • Related Report
      2023 Research-status Report 2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Effects of constitutively active K-Ras on axon regeneration after optic nerve injury2023

    • Author(s)
      Kiyota Naoki、Namekata Kazuhiko、Nishijima Euido、Guo Xiaoli、Kimura Atsuko、Harada Chikako、Nakazawa Toru、Harada Takayuki
    • Journal Title

      Neuroscience Letters

      Volume: 799 Pages: 137124-137124

    • DOI

      10.1016/j.neulet.2023.137124

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Astrocytic dysfunction induced by ABCA1 deficiency causes optic neuropathy2022

    • Author(s)
      Shinozaki Youichi、Leung Alex、Namekata Kazuhiko、Saitoh Sei、Nguyen Huy Bang、Takeda Akiko、Danjo Yosuke、Morizawa Yosuke M.、Shigetomi Eiji、Sano Fumikazu、Yoshioka Nozomu、Takebayashi Hirohide、Ohno Nobuhiko、Segawa Takahiro、Miyake Kunio、Kashiwagi Kenji、Harada Takayuki、Ohnuma Shin-ichi、Koizumi Schuichi
    • Journal Title

      Science Advances

      Volume: 8 Issue: 44 Pages: 1081-1081

    • DOI

      10.1126/sciadv.abq1081

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] ASK1 signaling regulates phase-specific glial interactions during neuroinflammation2022

    • Author(s)
      Guo Xiaoli、Kimura Atsuko、Namekata Kazuhiko、Harada Chikako、Arai Nobutaka、Takeda Kohsuke、Ichijo Hidenori、Harada Takayuki
    • Journal Title

      Proceedings of the National Academy of Sciences

      Volume: 119 Issue: 6

    • DOI

      10.1073/pnas.2103812119

    • Related Report
      2022 Research-status Report 2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Genetic inhibition of collapsin response mediator protein‐2 phosphorylation ameliorates retinal ganglion cell death in normal‐tension glaucoma models2022

    • Author(s)
      Brahma Musukha Mala、Takahashi Kazuya、Namekata Kazuhiko、Harada Takayuki、Goshima Yoshio、Ohshima Toshio
    • Journal Title

      Genes to Cells

      Volume: 27 Issue: 8 Pages: 526-536

    • DOI

      10.1111/gtc.12971

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effects of lighting environment on the degeneration of retinal ganglion cells in glutamate/aspartate transporter deficient mice, a mouse model of normal tension glaucoma2022

    • Author(s)
      Ohashi Tsutomu、Namekata Kazuhiko、Guo Xiaoli、Kimura Atsuko、Harada Chikako、Harada Takayuki
    • Journal Title

      Biochemistry and Biophysics Reports

      Volume: 29 Pages: 101197-101197

    • DOI

      10.1016/j.bbrep.2021.101197

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Topical ripasudil stimulates neuroprotection and axon regeneration in adult mice following optic nerve injury2020

    • Author(s)
      Nishijima Euido、Namekata Kazuhiko、Kimura Atsuko、Guo Xiaoli、Harada Chikako、Noro Takahiko、Nakano Tadashi、Harada Takayuki
    • Journal Title

      Scientific Reports

      Volume: 10 Issue: 1 Pages: 15709-15709

    • DOI

      10.1038/s41598-020-72748-3

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Suppression of Oxidative Stress as Potential Therapeutic Approach for Normal Tension Glaucoma2020

    • Author(s)
      Harada Chikako、Noro Takahiko、Kimura Atsuko、Guo Xiaoli、Namekata Kazuhiko、Nakano Tadashi、Harada Takayuki
    • Journal Title

      Antioxidants

      Volume: 9 Issue: 9 Pages: 874-874

    • DOI

      10.3390/antiox9090874

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 視神経と再生研究2020

    • Author(s)
      野呂隆彦、原田高幸
    • Journal Title

      日本の眼科

      Volume: 91 Pages: 24-28

    • Related Report
      2019 Research-status Report
  • [Presentation] 常時活性型インスリン受容体の遺伝子治療によるシナプス再生と網膜機能回復2024

    • Author(s)
      外園晶子、行方和彦、郭曉麗、篠崎陽一、野呂隆彦、中野匡、原田高幸.
    • Organizer
      第128回日本眼科学会総会
    • Related Report
      2024 Annual Research Report
  • [Presentation] 常時活性型インスリン受容体の遺伝子治療による視機能回復2024

    • Author(s)
      外園晶子、篠崎陽一、行方和彦、郭 曉麗、野呂隆彦、中野 匡、原田高幸.
    • Organizer
      第35回日本緑内障学会
    • Related Report
      2024 Annual Research Report
  • [Presentation] 改変型神経栄養因子受容体を用いた神経保護および軸索再生治療の可能性2024

    • Author(s)
      西島義道、行方和彦、本田紗里、北村裕太、木村敦子、郭 曉麗、安土ゆり子、原田知加子、野呂隆彦、中野匡、原田高幸.
    • Organizer
      第128回日本眼科学会総会
    • Related Report
      2024 Annual Research Report
    • Invited
  • [Presentation] インスリン受容体の遺伝子治療による網膜神経節細胞の樹状突起再生2023

    • Author(s)
      外園晶子、郭曉麗、行方和彦、野呂隆彦、中野匡、原田高幸.
    • Organizer
      第127回日本眼科学会総会
    • Related Report
      2023 Research-status Report
  • [Presentation] Dendrite regeneration of retinal ganglion cells by gene therapy using a constitutive active form of insulin receptor2023

    • Author(s)
      Sotozono A, Guo X, Namekata K, Noro T, Nakano T, Harada T.
    • Organizer
      World Glaucoma Congress
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research
  • [Presentation] 改変型インスリン受容体の遺伝子治療による網膜神経保護と視神経再生2023

    • Author(s)
      外園晶子、行方和彦、郭曉麗、篠崎陽一、野呂隆彦、中野匡、原田高幸.
    • Organizer
      第34回日本緑内障学会
    • Related Report
      2023 Research-status Report
  • [Presentation] Neuroprotection and axon regeneration in glaucoma models by gene therapy using modified tyrosine kinase receptors2023

    • Author(s)
      Harada T, Namekata K, Sotozono A, Shinozaki Y, Guo X, Harada C.
    • Organizer
      26th EVER CONGRESS
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research
  • [Presentation] 加齢性変化から視機能を守り、再生させる、新しい治療法の開発2023

    • Author(s)
      原田高幸
    • Organizer
      第96回日本生化学会大会
    • Related Report
      2023 Research-status Report
    • Invited
  • [Presentation] 視神経変性疾患の病態解明と治療研究2023

    • Author(s)
      原田高幸
    • Organizer
      第97回日本薬理学会年会
    • Related Report
      2023 Research-status Report
    • Invited
  • [Presentation] 神経栄養因子受容体のシグナル伝達経路を活用した神経保護療法の検討2022

    • Author(s)
      原田高幸
    • Organizer
      第33回日本緑内障学会
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] Constitutively active Ras promotes protection and axon regeneration in retinal ganglion cells after optic nerve injury.2022

    • Author(s)
      Kiyota N, Namekata K, Guo X, Kimura A, Nakazawa T, Harada T.
    • Organizer
      ARVO 2022 meeting
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] 視神経再生関連因子2021

    • Author(s)
      原田高幸
    • Organizer
      第59回日本神経眼科学会総会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] Exploring new glaucoma therapies using animal models.2021

    • Author(s)
      原田高幸
    • Organizer
      第32回日本緑内障学会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] AAV-mediated delivery of constitutively active TrkB promotes CNS axon regeneration and neuroprotection.2021

    • Author(s)
      Kimura A, Nishijima E, Kitamura Y, Honda S, Guo X, Harada C, Namekata K, Harada T.
    • Organizer
      Neuroscience Meeting 2021
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 活性型TrkBを活用した遺伝子治療による神経保護と軸索再生.2021

    • Author(s)
      行方和彦、西島義道、北村裕太、本田紗里、郭曉麗、木村敦子、原田知加子、原田高幸.
    • Organizer
      第94回日本生化学会大会
    • Related Report
      2021 Research-status Report
  • [Presentation] Microglial DOCK8 and neurodegeneration.2021

    • Author(s)
      Kimura A, Namekata K, Guo X, Arai N, Harada C, Harada T.
    • Organizer
      The 4th International Conference on Applied Biochemistry and Biotechnology (ABB 2021)
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] The renin-angiotensin system regulates neurodegeneration in a mouse model of optic neuritis.2021

    • Author(s)
      Guo X, Namekata K, Kimura A, Harada C, Harada T.
    • Organizer
      Annual Global Conference on Neuroscience and Neurology
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Gene therapy with modified TrkB induces neuroprotection and axon regeneration.2021

    • Author(s)
      Kimura A, Nishijima E, Kitamura Y, Honda S, Guo X, Harada C, Namekata K, Harada T.
    • Organizer
      第44回日本神経科学大会
    • Related Report
      2021 Research-status Report
  • [Presentation] Gene therapy with mutant TrkB receptor protects retinal ganglion cell and retinal function in a mouse model of normal tension glaucoma.2021

    • Author(s)
      Nishijima E, Honda S, Namekata K, Kimura A, Guo X, Harada C, Nakano T, Harada T.
    • Organizer
      World Glaucoma Congress 2021
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Gene therapy with mutant TrkB receptors protects retinal neurons and promotes optic nerve regeneration without ligands.2021

    • Author(s)
      Nishijima E, Namekata K, Kimura A, Kitamura Y, Honda S, Guo X, Harada C, Nakano T, Harada T.
    • Organizer
      ARVO 2021 meeting
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Pathogenic roles of glial ASK1 signaling in neuroinflammation.2021

    • Author(s)
      Guo X, Kimura A, Namekata K, Harada C, Harada T.
    • Organizer
      ARVO 2021 meeting
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 正常眼圧緑内障と脳脊髄圧2021

    • Author(s)
      野呂隆彦
    • Organizer
      第32回日本緑内障学会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 高齢マーモセットと緑内障2021

    • Author(s)
      野呂隆彦
    • Organizer
      第14回眼抗加齢医学研究会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Remarks] 視覚病態プロジェクト

    • URL

      https://www.igakuken.or.jp/retina/

    • Related Report
      2024 Annual Research Report 2023 Research-status Report
  • [Remarks] DOCK3の構造変化を起こす低分子化合物による神経保護と軸索再生

    • URL

      https://www.igakuken.or.jp/retina/topics/topics15.html

    • Related Report
      2023 Research-status Report
  • [Remarks] 緑内障モデルにおいて病態の進行を予防し、視神経を再生する、新しい遺伝子治療ベクター

    • URL

      https://www.igakuken.or.jp/retina/topics/topics14.html

    • Related Report
      2023 Research-status Report
  • [Remarks] 緑内障モデルにおいて病態の進行を予防し、視神経を再生する、新しい遺伝子治療ベクター

    • URL

      https://www.igakuken.or.jp/topics/2022/1208.html

    • Related Report
      2022 Research-status Report
  • [Remarks] Gene therapy using neurotrophin receptor

    • URL

      https://www.igakuken.or.jp/english/topics/2022/e-1208.html

    • Related Report
      2022 Research-status Report
  • [Remarks] ASK1シグナルは神経炎症におけるグリア間相互作用を病期特異的に制御する

    • URL

      https://www.igakuken.or.jp/topics/2022/0201.html

    • Related Report
      2022 Research-status Report
  • [Remarks] ASK1 signaling regulates glial interactions

    • URL

      https://www.igakuken.or.jp/english/topics/2022/e-0201.html

    • Related Report
      2022 Research-status Report
  • [Remarks] 視覚病態プロジェクト

    • URL

      https://www.igakuken.or.jp/project/detail/retina.html

    • Related Report
      2022 Research-status Report 2021 Research-status Report 2020 Research-status Report
  • [Remarks] Visual Research Project

    • URL

      https://www.igakuken.or.jp/english/project/detail/retina.html

    • Related Report
      2021 Research-status Report 2020 Research-status Report
  • [Remarks] 未来を話そう! プロジェクト研究の紹介

    • URL

      https://www.igakuken.or.jp/project/to-tomin/to-pro26.html

    • Related Report
      2021 Research-status Report 2020 Research-status Report
  • [Remarks] 網膜・視神経変性疾患の病態解明と治療法

    • URL

      https://www.igakuken.or.jp/retina/index.html

    • Related Report
      2021 Research-status Report 2020 Research-status Report
  • [Remarks] 東京慈恵会医科大学眼科

    • URL

      https://www.hosp.jikei.ac.jp/diagnosis/department/216.html

    • Related Report
      2021 Research-status Report
  • [Remarks] Visual Research Project

    • URL

      http://www.igakuken.or.jp/english/project/detail/pro26/retina2.html

    • Related Report
      2019 Research-status Report
  • [Remarks] 未来を話そう! プロジェクト研究の紹介

    • URL

      http://www.igakuken.or.jp/project/to-tomin/to-pro26.html

    • Related Report
      2019 Research-status Report
  • [Remarks] 視覚病態プロジェクト

    • URL

      http://www.igakuken.or.jp/project/detail/retina.html

    • Related Report
      2019 Research-status Report
  • [Remarks] 網膜・視神経変性疾患の病態解明と治療法

    • URL

      http://www.igakuken.or.jp/retina/index.html

    • Related Report
      2019 Research-status Report
  • [Patent(Industrial Property Rights)] インスリン受容体断片をコードする核酸構築物、及びその利用2024

    • Inventor(s)
      行方和彦、原田高幸
    • Industrial Property Rights Holder
      東京都医学総合研究所
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2023-061682
    • Filing Date
      2024
    • Related Report
      2023 Research-status Report

URL: 

Published: 2019-10-10   Modified: 2026-01-16  

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