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Related Concept Videos

Glaucoma: Overview01:25

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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Related Experiment Video

Updated: Apr 29, 2026

Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis
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Bibliometric network analysis of glaucoma.

L-Y Dong1, M Yin2, X-L Kang3

  • 1Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.

Genetics and Molecular Research : GMR
|May 24, 2014
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Summary
This summary is machine-generated.

This study identified 47 differentially expressed genes in optic nerve head cells, highlighting potential new targets like GSTT1 and ENO2 for glaucoma therapy. These genes may influence glaucoma through specific cell signaling pathways.

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Area of Science:

  • Ophthalmology
  • Molecular Biology
  • Genetics

Background:

  • Elevated intraocular pressure is a primary risk factor for optic nerve head (ONH) injury.
  • Lamina cribrosa (LC) cells and astrocytes are key cell types within the ONH.
  • Identifying novel molecular targets is crucial for understanding and treating glaucoma.

Purpose of the Study:

  • To identify novel target genes involved in optic nerve head injury.
  • To predict the molecular mechanisms and pathways underlying glaucoma development.
  • To provide potential therapeutic targets for glaucoma.

Main Methods:

  • Meta-analysis of two microarray datasets from LC cells and astrocytes.
  • Identification of differentially expressed genes (DEGs).
  • Construction of a bibliometric network for identified DEGs and related genes.

Main Results:

  • Identified 47 differentially expressed genes (DEGs).
  • Constructed a bibliometric network involving 24 DEGs and related genes (e.g., GSTT1, ENO2, EGFR).
  • Predicted involvement of these genes in Toll-like receptor, ErbB signaling, and cancer-related pathways.

Conclusions:

  • The study identified potential novel genes and pathways implicated in glaucoma.
  • These findings offer promising targets for future glaucoma therapeutic strategies.
  • Understanding the molecular mechanisms of ONH injury is critical for developing effective treatments.