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Updated: May 20, 2026

In Vivo Dynamics of Retinal Microglial Activation During Neurodegeneration: Confocal Ophthalmoscopic Imaging and Cell Morphometry in Mouse Glaucoma
Published on: May 11, 2015
Glaucomatous neurodegeneration: an eye on tumor necrosis factor-alpha
1Department of Pharmacology, Universiti Teknologi MARA, Shah Alam, Malaysia.
Abstract:
Glaucoma, a neurodegenerative disease, is currently being treated by modulation of one of its primary risk factors, the elevated intraocular pressure. Newer therapies that can provide direct neuroprotection to retinal ganglion cells are being extensively investigated. Tumor necrosis factor-α, a cytokine, has been recognized to play an important role in pro and antiapoptotic cellular events. In this paper we review the relevant literature to understand (1) The association of increased expression of tumor necrosis factor-α with glaucomatous neurodegeneraion, (2) Modulation of tumor necrosis factor-α expression by exposure to various risk factors of glaucoma, (3) Downstream cellular signaling mechanisms following interaction of tumor necrosis factor-α with its receptors and (4) Role of tumor necrosis factor-α as a possible target for therapeutic intervention in glaucoma. Literature was reviewed using PubMed search engine with relevant key words and a total of 82 English language papers published from 1990 to 2010 are included in this review.
Insights
Tumor necrosis factor-alpha (TNF-α) is linked to glaucoma neurodegeneration. Targeting TNF-α may offer new therapeutic strategies for protecting retinal ganglion cells in glaucoma patients.
Area of Science:
- Ophthalmology
- Neuroscience
- Immunology
Background:
- Glaucoma is a neurodegenerative disease primarily managed by reducing intraocular pressure.
- Current research explores neuroprotective therapies for retinal ganglion cells.
- Tumor necrosis factor-alpha (TNF-α), a cytokine, influences cell survival and death pathways.
Purpose of the Study:
- To review the association between elevated TNF-α expression and glaucomatous neurodegeneration.
- To examine how glaucoma risk factors modulate TNF-α expression.
- To investigate TNF-α signaling pathways and its therapeutic potential in glaucoma.
Main Methods:
- Literature review utilizing the PubMed search engine.
- Inclusion of 82 English language papers published between 1990 and 2010.
- Analysis of keywords related to glaucoma, TNF-α, and neuroprotection.
Main Results:
- Increased TNF-α expression is associated with glaucomatous neurodegeneration.
- Glaucoma risk factors can modulate TNF-α expression.
- TNF-α signaling pathways are implicated in the disease process.
Conclusions:
- TNF-α plays a significant role in glaucoma pathogenesis.
- Modulating TNF-α presents a potential therapeutic target for glaucoma treatment.
- Further research into TNF-α pathways could lead to novel neuroprotective strategies.
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