Genetic Factors in Non-Arteritic Anterior Ischemic Optic Neuropathy
Author Information
Author(s): Markoula Sofia, Giannopoulos Sotirios, Asproudis Ioannis, Kostoulas Charilaos, Nikas Alexios, Bagli Eleni, Kyritsis Athanassios P., Georgiou Ioannis
Primary Institution: University of Ioannina School of Medicine
Hypothesis
The study examines the association of specific RAAS gene polymorphisms with non-arteritic anterior ischemic optic neuropathy (NAION).
Conclusion
The II genotype of the angiotensin-converting enzyme gene may be a risk factor for NAION in younger male patients.
Supporting Evidence
- The study found no association between NAION and the M235T and A1166C polymorphisms.
- The II genotype was more prevalent in younger male patients with NAION.
- All male patients under 55 years had the I allele, suggesting a genetic predisposition.
Takeaway
This study looked at how certain genes might affect the risk of a vision problem called NAION, especially in younger men.
Methodology
Forty-seven NAION patients and 76 controls were genotyped for RAAS gene polymorphisms using PCR and restriction enzyme analysis.
Limitations
The small number of younger patients limited the conclusions that could be drawn.
Participant Demographics
The study included 47 patients (29 men and 18 women) aged 49 to 85 years and 76 controls (47 men and 29 women) aged 48 to 75 years.
Statistical Information
P-Value
0.033
Confidence Interval
1.152–28.35
Statistical Significance
p<0.05
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