Neuroprotective Effects of Transcription Factor Brn3b in an Ocular Hypertension Rat Model of Glaucoma
Author(s) -
Dorota L. Stankowska,
Alena Z. Minton,
Margaret Rutledge,
Brett Mueller,
Nitasha Phatak,
Shaoqing He,
Haiying Ma,
Michael J. Forster,
Thomas Yorio,
Raghu R. Krishnamoorthy
Publication year - 2015
Publication title -
investigative ophthalmology and visual science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.935
H-Index - 218
eISSN - 1552-5783
pISSN - 0146-0404
DOI - 10.1167/iovs.14-15008
Subject(s) - neuroprotection , optic nerve , glaucoma , ophthalmology , axon , retinal ganglion cell , retina , biology , medicine , neuroscience
Glaucoma is an optic neuropathy commonly associated with elevated intraocular pressure (IOP), leading to optic nerve head (ONH) cupping, axon loss, and apoptosis of retinal ganglion cells (RGCs), which could ultimately result in blindness. Brn3b is a class-4 POU domain transcription factor that plays a key role in RGC development, axon outgrowth, and pathfinding. Previous studies suggest that a decrease in Brn3b levels occurs in animal models of glaucoma. The goal of this study was to determine if adeno-associated virus (AAV)-directed overexpression of the Brn3b protein could have neuroprotective effects following elevated IOP-mediated neurodegeneration.
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