Gene Changes in the Optic Nerve Head During Glaucoma in Monkeys
Author Information
Author(s): Kompass Kenneth S, Agapova Olga A, Li Wenjun, Kaufman Paul L, Rasmussen Carol A, Hernandez M Rosario
Primary Institution: Department of Ophthalmology, Northwestern University
Hypothesis
What are the transcriptional changes occurring at the optic nerve head during experimental glaucoma in a primate model?
Conclusion
The study found that glaucoma is linked to increased expression of genes involved in axonal growth, immune response, and tissue remodeling.
Supporting Evidence
- Glaucoma is associated with increased expression of genes that mediate axonal outgrowth.
- Reactive astrocytes in glaucomatous eyes exhibit differential expression of many genes.
- The study validated gene expression changes using qRT-PCR and immunohistochemistry.
Takeaway
When monkeys develop glaucoma, their optic nerves try to heal themselves by changing the way they express certain genes.
Methodology
The study used high-density oligonucleotide arrays to analyze gene expression in the optic nerve heads of cynomolgus macaques with induced glaucoma.
Limitations
The study is limited to a small sample size of nonhuman primates and may not fully represent human glaucoma.
Participant Demographics
Cynomolgus macaques (Macaca fascicularis), aged 4 to 7 years.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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