ArticleInvestigative ophthalmology & visual science2022
Optic Nerve Head Myelin-Related Protein, GFAP, and Iba1 Alterations in Non-Human Primates With Early to Moderate Experimental Glaucoma.
Article in Investigative ophthalmology & visual science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 9 citations in OpenAlex.
- Neuron-derived SPP1 instructs microglia to limit degeneration.Science advances · 2026Article
- Optic Nerve Head Spatial Transcriptomic Change in Nonhuman Primate Early Experimental Glaucoma.Investigative ophthalmology & visual science · 2026Article
- Glaucoma Classification Through SSVEP-Derived ON- and OFF-Pathway Features.Translational vision science & technology · 2026Article
- Astrocytes in the mouse brain respond bilaterally to unilateral retinal neurodegeneration.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Rebalancing translaminar pressure difference: a novel glaucoma surgery-a pilot trial in non-human primates.International journal of ophthalmology · 2025Article
- Retrolaminar Demyelination of Structurally Intact Axons in Nonhuman Primate Experimental Glaucoma.Investigative ophthalmology & visual science · 2024Article
- Glaucoma Animal Models beyond Chronic IOP Increase.International journal of molecular sciences · 2024Review
- Individual astrocyte morphology in the collagenous lamina cribrosa revealed by multicolor DiOlistic labeling.Experimental eye research · 2023Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
Purpose: The purpose of this study was to test if optic nerve head (ONH) myelin basic protein (MBP), 2',3'-cyclic nucleotide 3'-phosphodiesterase (CNPase), glial fibrillary acidic protein (GFAP), and ionized calcium binding adaptor molecule 1 (Iba1) proteins are altered in non-human primate (NHP) early/moderate experimental glaucoma (EG). Methods: Following paraformaldehyde perfusion, control and EG eye ONH tissues from four NHPs were paraffin embedded and serially (5 µm) vertically sectioned. Anti-MBP, CNPase, GFAP, Iba1, and nuclear dye-stained sections were imaged using sub-saturating light intensities. Whole-section images were segmented creating anatomically consistent laminar (L) and retrolaminar (RL) regions/sub-regions. EG versus control eye intensity/pixel-cluster density data within L and two RL regions (RL1 [1-250 µm]/RL2 [251-500 µm] from L) were compared using random effects models within the statistical program "R." Results: EG eye retinal nerve fiber loss ranged from 0% to 20%. EG eyes' MBP and CNPase intensity were decreased within the RL1 (MBP = 31.4%, P < 0.001; CNPase =62.3%, P < 0.001) and RL2 (MBP = 19.6%, P < 0.001; CNPase = 56.1%, P = 0.0004) regions. EG eye GFAP intensity was decreased in the L (41.6%, P < 0.001) and RL regions (26.7% for RL1, and 28.4% for RL2, both P < 0.001). Iba1+ and NucBlue pixel-cluster density were increased in the laminar (28.2%, P = 0.03 and 16.6%, P = 0.008) and both RL regions (RL1 = 37.3%, P = 0.01 and 23.7%, P = 0.0002; RL2 = 53.7%, P = 0.002 and 33.2%, P < 0.001). Conclusions: Retrolaminar myelin disruption occurs early in NHP EG and may be accompanied by laminar and retrolaminar decreases in astrocyte process labeling and increases in microglial/ macrophage density. The mechanistic and therapeutic implications of these findings warrant further study.
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