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Genet."],"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> Age-related macular degeneration (AMD) is the main cause of severe vision loss in elderly populations of the developed world with limited therapeutic medications available. It is a multifactorial disease with a strong genetic susceptibility which exhibits the differential genetic landscapes among different ethnic groups.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> To investigate the Han Chinese-specific genetic variants for AMD development and progression, we have presented a genome-wide association study (GWAS) on 339 AMD cases and 3,390 controls of a Han Chinese population recruited from the Taiwan Precision Medicine Initiative (TPMI).<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> In this study, we have identified several single nucleotide polymorphisms (SNPs) significantly associated with AMD, including rs10490924, rs3750848, and rs3750846 in the ARMS2 gene, and rs3793917, rs11200638, and rs2284665 in the HTRA1 gene, in which rs10490924 was highly linked to the other variants based upon linkage disequilibrium analysis. Moreover, certain systemic comorbidities, including chronic respiratory diseases and cerebrovascular diseases, were also confirmed to be independently associated with AMD. Stratified analysis revealed that both non-exudative and exudative AMD were significantly correlated with these risk factors. We also found that homozygous alternate alleles of rs10490924 could lead to an increased risk of AMD incidence compared to homozygous references or heterozygous alleles in the cohorts of chronic respiratory disease, cerebrovascular disease, hypertension, and hyperlipidemia. Ultimately, we established the SNP models for AMD risk prediction and found that rs10490924 combined with the other AMD-associated SNPs identified from GWAS improved the prediction model performance.<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> These results suggest that genetic variants combined with the comorbidities could effectively identify any potential individuals at a high risk of AMD, thus allowing for both early prevention and treatment.<\/jats:p>","DOI":"10.3389\/fgene.2023.1064659","type":"journal-article","created":{"date-parts":[[2023,2,24]],"date-time":"2023-02-24T07:19:04Z","timestamp":1677223144000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":10,"title":["Genome-wide association study and identification of systemic comorbidities in development of age-related macular degeneration in a hospital-based cohort of Han Chinese"],"prefix":"10.3389","volume":"14","author":[{"given":"Chien-Hung","family":"Shih","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao-Kai","family":"Chuang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tzu-Hung","family":"Hsiao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi-Ping","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chong-En","family":"Gao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shih-Hwa","family":"Chiou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chih-Chien","family":"Hsu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"De-Kuang","family":"Hwang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2023,2,24]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"2295","DOI":"10.1016\/j.ophtha.2015.07.032","article-title":"MMP20 and ARMS2\/HTRA1 are associated with neovascular lesion size in age-related macular degeneration","volume":"122","author":"Akagi-Kurashige","year":"2015","journal-title":"Ophthalmology"},{"key":"B2","doi-asserted-by":"publisher","first-page":"283","DOI":"10.1038\/gim.2015.70","article-title":"Age-related macular degeneration: Genome-wide association studies to translation","volume":"18","author":"Black","year":"2016","journal-title":"Genet. 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