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2016 Fiscal Year Final Research Report

The role of Fas ligand in retinal detachment induced photoreceptor cell death

Research Project

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Project/Area Number 15K20248
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Ophthalmology
Research InstitutionGunma University

Principal Investigator

Matsumoto Hidetaka  群馬大学, 大学院医学系研究科, 助教 (30420178)

Project Period (FY) 2015-04-01 – 2017-03-31
Keywords網膜剥離 / 視細胞死 / Fasリガンド / 神経保護
Outline of Final Research Achievements

Separation of photoreceptors from underlying retinal pigment epithelium, as seen retinal detachment (RD), causes photoreceptor cell death, resulting in permanent vision loss. In a majority of cases, photoreceptor cell death occurs even if the retina is successfully reattached surgically. Therefore, it is important to define the mechanism(s) of photoreceptor cell death in the detached retina and establish therapeutic targets that prevent photoreceptor loss and the subsequent decrease in visual acuity.
We investigated the role of Fas ligand (FasL) in RD induced photoreceptor cell death using genetically modified mice. Our results showed that FasL induced cell death of photoreceptors following RD. In addition, photoreceptor loss in detached retina was inhibited by a subretinal injection of recombinant soluble FasL. These indicate that treatment targeting FasL could significantly reduce photoreceptor cell loss in patients with RD.

Free Research Field

医歯薬学

URL: 

Published: 2018-03-22  

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