Genetic Factors in Age-Related Macular Degeneration
Author Information
Author(s): Xu Yule, Guan Ning, Xu Jun, Yang Xiufen, Ma Kai, Zhou Haiying, Zhang Feng, Snellingen Torkel, Jiao Yiqun, Liu Xipu, Wang Ningli, Liu Ningpu
Primary Institution: Beijing Tongren Eye Center, Capital Medical University, Beijing, China
Hypothesis
Are common SNPs in CFH, LOC387715, and HTRA1 associated with exudative AMD in a northern Chinese population?
Conclusion
LOC387715 and HTRA1 polymorphisms are associated with a higher risk of exudative AMD in northern Chinese, while CFH Y402H is not.
Supporting Evidence
- The Y402H variant in CFH was not associated with exudative AMD.
- Risk T-allele frequency of rs10490924 in LOC387715 was significantly higher in AMD cases.
- HTRA1 rs11200638 A allele frequency was also significantly higher in AMD cases.
Takeaway
This study looked at genes that might make people more likely to get a serious eye disease called AMD. They found that two specific genes increase the risk, but another one doesn't.
Methodology
121 patients with exudative AMD and 132 controls were genotyped for specific SNPs using PCR and sequencing.
Limitations
The study only included a northern Chinese population, which may limit the generalizability of the findings.
Participant Demographics
121 AMD patients (71 males, 50 females) and 132 controls (68 males, 64 females), aged 50 to 90.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI; 0.80–3.03 for GT genotype, 95% CI; 2.59–11.49 for TT genotype in LOC387715.
Statistical Significance
p<0.001
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