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Related Experiment Video

Updated: Mar 2, 2026

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

Janey L Wiggs1, Louis R Pasquale1,2

  • 1Department of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear, Boston, MA 02114, USA.

Human Molecular Genetics
|May 16, 2017
PubMed
Summary
This summary is machine-generated.

Genome-wide association studies are identifying genes linked to glaucoma, a leading cause of blindness. These genetic discoveries offer insights into disease mechanisms and potential therapeutic targets for various glaucoma types.

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Area of Science:

  • Ophthalmology
  • Genetics
  • Genomics

Background:

  • Glaucoma is a leading cause of irreversible blindness worldwide, affecting all age groups.
  • Early-onset glaucoma often follows Mendelian inheritance, while adult-onset forms exhibit complex inheritance.
  • Genetic studies are crucial for understanding glaucoma's diverse etiologies.

Purpose of the Study:

  • To identify genes and genomic regions associated with different types of glaucoma.
  • To explore the role of genetic factors in glaucoma pathogenesis.
  • To highlight the utility of genetic testing for early diagnosis and counseling.

Main Methods:

  • Genome-wide association studies (GWAS) were conducted for primary open-angle glaucoma (POAG), primary angle-closure glaucoma (PACG), and exfoliation syndrome (XFS) glaucoma.
  • Analysis of genetic variants in MYOC, OPTN, and TBK1 genes for early-onset glaucoma.
  • Review of recent genetic and genomic study findings.

Main Results:

  • Novel genetic loci were identified for POAG (16 regions), PACG (8 regions), and XFS glaucoma (2 regions).
  • Specific genes (MYOC, OPTN, TBK1) are implicated in early-onset glaucoma, suggesting therapeutic targets.
  • GWAS identified numerous associated genes for common adult-onset glaucoma types.

Conclusions:

  • Genetic and genomic studies significantly advance the understanding of glaucoma's complex inheritance and pathogenesis.
  • Identified genes provide insights into molecular pathways, aiding in the development of targeted therapies.
  • Genetic testing is valuable for pre-symptomatic detection and genetic counseling in glaucoma.