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2021 Fiscal Year Final Research Report

The neuroprotective effects of gene therapy on glaucoma model mouse.

Research Project

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Project/Area Number 20K18404
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 56060:Ophthalmology-related
Research InstitutionTokyo Metropolitan Institute of Medical Science

Principal Investigator

KITAMURA Yuta  公益財団法人東京都医学総合研究所, 疾患制御研究分野, 研究員 (90868259)

Project Period (FY) 2020-04-01 – 2022-03-31
Keywords緑内障 / TrkB / AAV / 細胞死
Outline of Final Research Achievements

In this study, we investigated the effects of BDNF-TrkB signaling on retinal ganglion cell (RGC) survival. After deletion of TrkB molecules in the retina, we detected severe RGC degeneration. Cell death was observed in many RGC subtypes except ipRGCs. These results suggest the possibility that gene therapy enhancing BDNF-TrkB signaling may be useful for RGC protection.

Free Research Field

神経科学

Academic Significance and Societal Importance of the Research Achievements

これらの結果から、BDNF-TrkBシグナルは平常時においてもRGCでは特に重要な働きを持っており、このシグナルが消失することにより、多くのRGC細胞は生存できなくなることが判明した。したがってTrkBの遺伝子治療などにより、緑内障などにおけるRGC変性の進行を抑制できる可能性がある。

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Published: 2023-01-30  

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