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Development of neuroprotective therapy targeting retinal glial cells

Research Project

Project/Area Number 21K09736
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

Himori Noriko  東北大学, 医工学研究科, 准教授 (20705230)

Co-Investigator(Kenkyū-buntansha) 中澤 徹  東北大学, 医学系研究科, 教授 (30361075)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2023: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2022: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2021: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords酸化ストレス / ミトコンドリア障害 / グリア細胞 / Nrf2 / 緑内障 / 女性ホルモン / 神経保護 / エクオール / ロテノン / 神経栄養因子 / vimentin / GFAP / 網膜神経節細胞 / 網膜グリア細胞
Outline of Research at the Start

緑内障は多因子疾患とされており、患者個々人において発症・進行に関わる分子メカニズムが異なる可能性が指摘されている。多因子の中で酸化ストレスが緑内障の発症・進行に関与していることが注目されている。
緑内障剖検眼により網膜グリア細胞の活性化が認められ、また酸化ストレスによる緑内障モデル動物において、神経障害がまだ認められない早期の段階で網膜グリア細胞の活性化を認めることから、酸化ストレスの網膜グリア細胞に与える影響が緑内障病態に中心的な役割をはたしている可能性がある。
そこで、酸化ストレスとグリア細胞の分子基盤を明らかにし、網膜グリア細胞をターゲットとした神経保護治療への発展を目指す。

Outline of Final Research Achievements

We used the mitochondrial Complex I inhibitor rotenone to examine its effects in Nrf2 knockout (KO) mice, which are vulnerable to oxidative stress. RT-PCR showed increased expression of Gfap and Vimentin in the rotenone-administered Nrf2 KO mouse group compared to the wild-type(WT) mice. Immunostaining showed increased GFAP in Nrf2 KO mice than WT mice. The survival rate of Muller cells in Nrf2 KO mice was significantly lower under rotenone. ROS level in Muller cells of Nrf2 KO mice increased significantly under rotenone 30 and 100uM. Furthermore, there is a significant increase in the expression of neurotrophic factors (Bdnf, Fgf2) was in 6 and 24 hours after rotenone administration.

Academic Significance and Societal Importance of the Research Achievements

酸化ストレスに脆弱なNrf2 ノックアウト(KO)マウスを用い、ミトコンドリア電子伝達系Complex I阻害剤ロテノンによる酸化ストレスの網膜への影響を検討した。
ロテノン存在下、Nrf2 KOマウスのミュラー細胞では神経栄養因子の発現が増加し、神経保護に寄与することが示唆された。酸化ストレス下のマウス網膜において、野生型ではKeap1-Nrf2を介した抗酸化機構が働き、一方Nrf2 KOマウスではグリア細胞において神経栄養因子の発現が増加して神経保護に影響すると考えられ、緑内障患者における病態解明に役立つことが期待される。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (20 results)

All 2023 2022 2021 2020

All Journal Article (16 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 16 results,  Open Access: 15 results) Presentation (4 results) (of which Invited: 3 results)

  • [Journal Article] Preliminary evidence of the effects of a novel antioxidant supplement in reducing oxidative stress in patients with senile cataract2023

    • Author(s)
      Himori Noriko、Kunikata Hiroshi、Nakazawa Toru
    • Journal Title

      International Ophthalmology

      Volume: 43 Issue: 9 Pages: 3031-3034

    • DOI

      10.1007/s10792-023-02728-9

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Long-Term Surgical Outcomes and Possible Postoperative Complication with Severe Corneal Endothelial Cell Loss After Trabeculectomy for Cytomegalovirus-Associated Anterior Uveitis with Secondary Glaucoma2023

    • Author(s)
      Yoshida Masaaki、Yokoyama Yu、Kokubun Taiki、Tsuda Satoru、Himori Noriko、Maekawa Shigeto、Yokokura Shunji、Hariya Takehiro、Kobayashi Wataru、Hashimoto Kazuki、Nakazawa Toru
    • Journal Title

      Ocular Immunology and Inflammation

      Volume: - Issue: 5 Pages: 1-9

    • DOI

      10.1080/09273948.2023.2197497

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Reduced Plasma BDNF Levels in Normal Tension Glaucoma Compared to Open Angle Glaucoma2023

    • Author(s)
      Sato Kota、Takada Naoko、Fujioka Amane、Himori Noriko、Yokoyama Yu、Tsuda Satoru、Omodaka Kazuko、Kirihara Tomoko、Ishikawa Makoto、Kunikata Hiroshi、Nakazawa Toru
    • Journal Title

      Journal of Glaucoma

      Volume: 32 Issue: 9 Pages: 734-737

    • DOI

      10.1097/ijg.0000000000002257

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Glutathione trisulfide prevents lipopolysaccharide-induced retinal inflammation via inhibition of proinflammatory cytokine production in glial cells2023

    • Author(s)
      Tawarayama Hiroshi、Umeki Kota、Inoue-Yanagimachi Maki、Takahashi Naoki、Hasegawa Hirokazu、Himori Noriko、Tsuda Satoru、Kunikata Hiroshi、Akaike Takaaki、Nakazawa Toru
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1 Pages: 11513-11513

    • DOI

      10.1038/s41598-023-38696-4

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] DPP-4 Inhibitors Attenuate Fibrosis After Glaucoma Filtering Surgery by Suppressing the TGF-β/Smad Signaling Pathway2023

    • Author(s)
      Yoshida Masaaki、Kokubun Taiki、Sato Kota、Tsuda Satoru、Yokoyama Yu、Himori Noriko、Nakazawa Toru
    • Journal Title

      Investigative Opthalmology & Visual Science

      Volume: 64 Issue: 10 Pages: 2-2

    • DOI

      10.1167/iovs.64.10.2

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Factors Associated With Visual Acuity Decline in Glaucoma Patients With Loss of Ganglion Cell Complex Thickness2023

    • Author(s)
      Takahashi Naoki、Omodaka Kazuko、Kikawa Tsutomu、Ninomiya Takahiro、Kiyota Naoki、Tsuda Satoru、Himori Noriko、Nakazawa Toru
    • Journal Title

      Translational Vision Science & Technology

      Volume: 12 Issue: 7 Pages: 2-2

    • DOI

      10.1167/tvst.12.7.2

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Sex differences in the association between systemic oxidative stress status and optic nerve head blood flow in normal-tension glaucoma2023

    • Author(s)
      Sato Masataka、Yasuda Masayuki、Takahashi Nana、Hashimoto Kazuki、Himori Noriko、Nakazawa Toru
    • Journal Title

      PLOS ONE

      Volume: 18 Issue: 2 Pages: e0282047-e0282047

    • DOI

      10.1371/journal.pone.0282047

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The association between intraocular pressure dynamics during dark-room prone testing and intraocular pressure over a relatively long-term follow-up period in primary open-glaucoma patients2023

    • Author(s)
      Sato Masataka、Kiyota Naoki、Yabana Takeshi、Maekawa Shigeto、Tsuda Satoru、Omodaka Kazuko、Himori Noriko、yokoyama Yu、Nakazawa Toru
    • Journal Title

      Graefe's Archive for Clinical and Experimental Ophthalmology

      Volume: 262 Issue: 3 Pages: 949-956

    • DOI

      10.1007/s00417-023-06257-0

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Changes in glial cells and neurotrophic factors due to rotenone-induced oxidative stress in Nrf2 knockout mice.2022

    • Author(s)
      Inoue-Yanagimachi M, Himori N, Uchida K, Tawarayama H, Sato K, Yamamoto M, Namekata K, Harada T, Nakazawa T.
    • Journal Title

      Experimental Eye Research.

      Volume: 226 Pages: 109314-109314

    • DOI

      10.1016/j.exer.2022.109314

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Isozyme-specific histone deacetylase 1/2 inhibitor K560 attenuates oxidative stress-induced retinal cell death.2022

    • Author(s)
      Tawarayama H, Hirata Y, Keiko U, Himori N, Uesato S, Nakazawa T.
    • Journal Title

      Neuroscience Letter

      Volume: 793 Pages: 106978-106978

    • DOI

      10.1016/j.neulet.2022.136978

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Glial cells modulate retinal cell survival in rotenone-induced neural degeneration.2021

    • Author(s)
      Tawarayama H, Inoue-Yanagimachi M, Himori N, Nakazawa T.
    • Journal Title

      Sci Rep.

      Volume: 11 Issue: 1 Pages: 11159-11159

    • DOI

      10.1038/s41598-021-90604-w

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Five-year visual outcomes after optic neuritis in anti-MOG antibody-associated disease.2021

    • Author(s)
      Akaishi T, Himori N, Takeshita T, Misu T, Takahashi T, Takai Y, Nishiyama S, Fujimori J, Ishii T, Aoki M, Fujihara K, Nakazawa T, Nakashima I.
    • Journal Title

      Mult Scler Relat Disord

      Volume: 56 Pages: 103222-103222

    • DOI

      10.1016/j.msard.2021.103222

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] The Effect of Dietary Antioxidant Supplementation in Patients with Glaucoma.2021

    • Author(s)
      Himori N, Inoue Yanagimachi M, Omodaka K, Shiga Y, Tsuda S, Kunikata H, Nakazawa T.
    • Journal Title

      Clin Ophthalmol.

      Volume: 15 Pages: 2293-2300

    • DOI

      10.2147/opth.s314288

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Optic neuritis after ocular trauma in anti-aquaporin-4 antibody-positive neuromyelitis optica spectrum disorder.2021

    • Author(s)
      Akaishi T, Himori N, Takeshita T, Fujihara K, Misu T, Takahashi T, Fujimori J, Ishii T, Aoki M, Nakazawa T, Nakashima I.
    • Journal Title

      Brain Behav

      Volume: - Issue: 5

    • DOI

      10.1002/brb3.2083

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] CHOP deletion and anti-neuroinflammation treatment with hesperidin synergistically attenuate NMDA retinal injury in mice.2021

    • Author(s)
      Sato K, Sato T, Ohno-Oishi M, Ozawa M, Maekawa S, Shiga Y, Yabana T, Yasuda M, Himori N, Omodaka K, Fujita K, Nishiguchi KM, Ge S, Nakazawa T.
    • Journal Title

      Exp Eye Res

      Volume: 213 Pages: 108826-108826

    • DOI

      10.1016/j.exer.2021.108826

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Response to the letter re "CPAP therapy reduces oxidative stress in patients with glaucoma and OSAS and improves the visual field".2020

    • Author(s)
      Himori N, Nakazawa T.
    • Journal Title

      Graefes Arch Clin Exp Ophthalmol.

      Volume: 259 Issue: 4 Pages: 1081-1082

    • DOI

      10.1007/s00417-020-04824-3

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Presentation] 目磨き文化の醸成として緑内障啓発活動の試み2023

    • Author(s)
      檜森 紀子
    • Organizer
      第34回日本緑内障学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 全身循環系における細胞間ネットワーク2022

    • Author(s)
      檜森紀子
    • Organizer
      日本緑内障学会
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] 今後の高齢者診療におけるAI・科学技術の活用2021

    • Author(s)
      檜森紀子
    • Organizer
      第63回日本老年医学会学術集会シンポジウム
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] Normal tension glaucoma: causes and treatments “Oxidative stress”2021

    • Author(s)
      檜森紀子
    • Organizer
      第32回日本緑内障学会
    • Related Report
      2021 Research-status Report
    • Invited

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Published: 2021-04-28   Modified: 2025-01-30  

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