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2011 Fiscal Year Annual Research Report

眼内血管新生制御への多角的アプローチ

Research Project

Project/Area Number 23390401
Research InstitutionNagoya University

Principal Investigator

寺崎 浩子  名古屋大学, 医学系研究科, 教授 (40207478)

Co-Investigator(Kenkyū-buntansha) 伊藤 逸毅  名古屋大学, 医学系研究科, 准教授 (10313991)
米今 敬一  名古屋大学, 医学部附属病院, 病院講師 (40362256)
Keywords未熟児網膜症 / 網膜新生血管 / 脈絡膜新生血管 / ノックインマウス / ファイバーOCT
Research Abstract

未熟児網膜症に対する硝子体手術は、平成23年度(平成24年2月29日-まで)は2例2眼に対して施行され、硝子体検体は4例4眼で得られた。今後、ヘパラン硫酸濃度及びVEGF濃度を測定する。また、採取検体を用いた培養試験も行っていく。
Girdinのリン酸化をブロックした遺伝改変マウス(GirdinS1416Aノックインマウス)において、生後発達段階の網膜血管の発達は、日齢5日、7日、10日において有意に遅延していた。また、同様に酸素誘発網膜症モデル(OIR)、レーザー誘発CNVモデルでも優位に網膜新生血管、脈絡膜新生血管の発生が少なかった。一方、OIRで網膜新生血管が生じる前段階に存在した無血管野は、GirdinS1416-ノックインマウスにおいても変化がなかったため、このモデルでは網膜無潅流領域が生じている場合に血管新生が生じることを抑制できる可能性が示された。VEGFトランスジェニックとGirdinS1416Aノックインを交配し、VEGFを網膜内で過剰発現するGirdinS1416Aノックインマウスを作製することができたため、網膜下新生血管の定量を行っている。
ファイバーOCTは、ヒトでの使用に向けて学内の倫理委員会へ承認申請中である。撮影部を分離できるOCT装置については専用のスタンドを開発し、手術中に仰臥位で撮影したデータを蓄積中である。手術中の硝子体温度変化について、白内障手術、硝子体切除で眼内温度は低下し、剥離操作では復温する傾向にあった。レーザー照射数と温度上昇には有意な相関があり、硝子体切除後の温度低下状態から平均3.3℃上昇した。
以上の結果について、当年度の日本臨床眼科学会特別講演の一部として報告した。

Current Status of Research Progress
Current Status of Research Progress

3: Progress in research has been slightly delayed.

Reason

未熟児からの検体量が少ないため十分なデータをとるのに時間を要する可能性があるものの、その他の眼内血管新生の病態解明の研究では論文投稿並びに論文準備が終了した。眼内OCTの臨床使用は、作成、安全性の検証は終了し、倫理委員会に承認される見込みであるが、実際の使用は来年度の見込みとなった。温度モニターの研究は論文準備中である。

Strategy for Future Research Activity

引き続き計画通りに進めていく。来年度以降は倫理委員会に承認された眼内ファイバーOCTを臨床例に用いて疾患の解析を行う。また、未熟児からの検体を引き続き収集し、眼内血管新生の病態解明の研究をさらに推進する。温度モニターの研究においては強度近視について測定を行い、新たな解析を行う。

  • Research Products

    (29 results)

All 2012 2011

All Journal Article (19 results) (of which Peer Reviewed: 19 results) Presentation (9 results) Book (1 results)

  • [Journal Article] Half-dose versus one-third-dose photodynamic therapy for chronic central serous chorioretinopathy2012

    • Author(s)
      Uetani R
    • Journal Title

      Eye

      Volume: (in press)

    • Peer Reviewed
  • [Journal Article] Photoreceptor and post-photoreceptoral contributions to photopic ERG a-wave in rhodopsin P347L transgenic rabbits2012

    • Author(s)
      Hirota R
    • Journal Title

      Invest Ophthalmol Vis Sci

      Volume: (in press)

    • Peer Reviewed
  • [Journal Article] Two novel mutations in the EYS gene are possible major causes of autosomal recessive retinitis pigmentosa in the japanese population2012

    • Author(s)
      Hosono K
    • Journal Title

      PLoS One

      Volume: 7(2) Pages: e31036

    • Peer Reviewed
  • [Journal Article] C9-R95X polymorphism in patients with neovascular age-related macular degeneration2012

    • Author(s)
      Nishiguchi KM
    • Journal Title

      Invest Ophthalmol Vis Sci

      Volume: 53 Pages: 508-12

    • Peer Reviewed
  • [Journal Article] Visual function 5 years or more after macular translocation surgery for myopic choroidal neovascularisation and age-related macular degeneration2012

    • Author(s)
      Takeuchi K
    • Journal Title

      Eye(Lond)

      Volume: 26 Pages: 51-60

    • DOI

      10.1038/eye.2011.302

    • Peer Reviewed
  • [Journal Article] Short-interfering RNAs induce retinal degeneration via TLR3 and IRF32012

    • Author(s)
      Kleinman ME
    • Journal Title

      Mol Ther

      Volume: 20 Pages: 101-8

    • DOI

      10.1038/mt.2011.212

    • Peer Reviewed
  • [Journal Article] Choroid is thinner in inferior region of optic discs of normal eyes2012

    • Author(s)
      Tanabe H
    • Journal Title

      Retina

      Volume: 32 Pages: 134-9

    • Peer Reviewed
  • [Journal Article] Axial length increases and related changes in highly myopic normal eyes with myopic complications in fellow eyes2012

    • Author(s)
      Takahashi A
    • Journal Title

      Retina

      Volume: 32 Pages: 127-33

    • Peer Reviewed
  • [Journal Article] Influence of preoperative intravitreous bevacizumab in visual function for proliferative diabetic retinopathy eyes2011

    • Author(s)
      Ushida H
    • Journal Title

      Ophthalmic Research

      Volume: (in press)

    • Peer Reviewed
  • [Journal Article] Terasaki H.Rebound of macular edema after intravitreal bevacizumab therapy in eyes with macular edema secondary to branch retinal vein cclusion2011

    • Author(s)
      Yasuda S
    • Journal Title

      Retina

      Volume: 31 Pages: 1075-82

    • Peer Reviewed
  • [Journal Article] Suppression of choroidal neovascularization and quantitative and qualitative inhibition of VEGF and CCL2 by heparin2011

    • Author(s)
      Tomida D
    • Journal Title

      Invest Ophthalmol Vis Sci

      Volume: 52 Pages: 3193-9

    • Peer Reviewed
  • [Journal Article] Changes in the area of capillary nonperfusion after intravitreal injection of bevacizumab in eyes with branch retinal vein occlusion2011

    • Author(s)
      Terui T
    • Journal Title

      Retina

      Volume: 31 Pages: 1068-74

    • Peer Reviewed
  • [Journal Article] Focal macular electroretinograms after photodynamic therapy combined with intravitreal bevacizumab2011

    • Author(s)
      Ishikawa K
    • Journal Title

      Graefes Arch Clin Exp Ophthalmol

      Volume: 249 Pages: 273-80

    • Peer Reviewed
  • [Journal Article] The roles of vitreal macrophages and circulating leukocytes in retinal neovascularization2011

    • Author(s)
      Kataoka K
    • Journal Title

      Invest Ophthalmol Vis Sci

      Volume: 52 Pages: 1431-8

    • Peer Reviewed
  • [Journal Article] Correlation between cross-sectional shape of choroidal veinsand choroidal thickness2011

    • Author(s)
      Tanabe H
    • Journal Title

      Jpn J Ophthalmol

      Volume: 55 Pages: 614-9

    • Peer Reviewed
  • [Journal Article] Retinal remodeling in the Tg P347L rabbit, a large-eye model of retinal degeneration2011

    • Author(s)
      Jones BW
    • Journal Title

      J Comp Neurol

      Volume: 519 Pages: 2713-33

    • DOI

      10.1002/cne.22703

    • Peer Reviewed
  • [Journal Article] Enhancement of ON-bipolar cell responses of cone electroretinograms in rabbits with the Pro347Leu rhodopsin mutation2011

    • Author(s)
      Nishimura T
    • Journal Title

      Invest Ophthalmol Vis Sci

      Volume: 52 Pages: 5610-7

    • Peer Reviewed
  • [Journal Article] Significant correlation between electroretinogram parametersand ocular vascular endothelial growth factor concentration in central retinal vein occlusion eyes2011

    • Author(s)
      Yasuda S
    • Journal Title

      Invest Ophthalmol Vis Sci

      Volume: 52 Pages: 5737-42

    • Peer Reviewed
  • [Journal Article] Identification of autoantibodies against TRPM1 in patients with paraneoplastic retinopathy associated with ON bipolar cell dysfunction2011

    • Author(s)
      Kondo M
    • Journal Title

      PLoS One

      Volume: 6(5) Pages: e19911

    • Peer Reviewed
  • [Presentation] Case of cancer-associated retinopathy with electronegative ERGs2011

    • Author(s)
      Ueno S, Terasaki H
    • Organizer
      The 7^<th> KSCEV Symposium with the 2^<nd> J SCEV-KSCEV Joint Meeting
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2011-11-20
  • [Presentation] Retinal function and morphology in the management of Macular diseases2011

    • Author(s)
      Terasaki H
    • Organizer
      The 7^<th> KSCEV Symposium with the 2^<nd> J SCEV-KSCEV Joint Meeting
    • Place of Presentation
      Seoul, Korea(招待講演)
    • Year and Date
      2011-11-19
  • [Presentation] Correlation between cross-sectional shape of choroidal vessels and choroidal thickness2011

    • Author(s)
      Tanabe H
    • Organizer
      2011 ARVO Annual Meeting
    • Place of Presentation
      Fort Lauderdale, USA
    • Year and Date
      2011-05-03
  • [Presentation] Longitudinal monitoring of photoreeptors in rabbit model of retinal degeneration by using spectral-domain optical coherence tomography2011

    • Author(s)
      Muraoka Y
    • Organizer
      2011 ARVO Annual Meeting
    • Place of Presentation
      Fort Lauderdale, USA
    • Year and Date
      2011-05-03
  • [Presentation] Correlations between the VEGF levels in aqueous humor and amplitudes and implicit times of different componentsof electroretinogram in eyes with CRVO2011

    • Author(s)
      Yasuda S
    • Organizer
      2011 ARVO Annual Meeting
    • Place of Presentation
      Fort Lauderdale, USA
    • Year and Date
      2011-05-03
  • [Presentation] Transcorneal electrical stimulation promotes the survival of photoreceptors and preserves retinal function in rhodopsin P3471 transgenic rabbits2011

    • Author(s)
      Morimoto T
    • Organizer
      2011 ARVO Annual Meeting
    • Place of Presentation
      Fort Lauderdale, USA
    • Year and Date
      2011-05-02
  • [Presentation] Focal cone ERGs changes during retinal degeneration in rhodopsin Pro347Leu transgenic rabbits2011

    • Author(s)
      Ueno S
    • Organizer
      2011 ARVO Annual Meeting
    • Place of Presentation
      Fort Lauderdale, USA
    • Year and Date
      2011-05-01
  • [Presentation] Unfolded protein response is associated with expression of vascular endothelial growth factor by retinal pigment epithelial cells2011

    • Author(s)
      Kachi S
    • Organizer
      2011 ARVO Annual Meeting
    • Place of Presentation
      Fort Lauderdale, USA
    • Year and Date
      2011-05-01
  • [Presentation] Identification of autoantibodies against TRPM1 in sera of patients with paraneoplastic retinopathy associated with on bipolar cell dysfunction2011

    • Author(s)
      Kondo M
    • Organizer
      ISCEV@ARVO
    • Place of Presentation
      Fort Lauderdale, USA
    • Year and Date
      2011-04-30
  • [Book] Macular Surgery2011

    • Author(s)
      Hiroko Terasaki
    • Total Pages
      193-197
    • Publisher
      Lippincott Williams & Wilkins

URL: 

Published: 2013-06-26  

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