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WGA Rescources

Abstract #95829 Published in IGR 22-3

Meer E; Meer E; Meer E; Qin VL; Gudiseva HV; McGeehan B; McGeehan B; Salowe R; Pistilli M; He J; Daniel E; Ying GS; Chavali VRM; O'Brien JM
Genes 2021; 12:


Primary open-angle glaucoma (POAG) is the leading cause of irreversible blindness worldwide and has been associated with multiple genetic risk factors. The gene is a genetic susceptibility factor for POAG, and several single-nucleotide polymorphisms (SNPs) were shown to be associated with POAG in our own prior Primary Open-Angle African American Glaucoma Genetics (POAAGG) study genome-wide association study (GWAS). This study evaluated the association of the locus with baseline optic disc and clinical phenotypic characteristics of glaucoma patients from our African American cohort. Compared to the GG genotype in SNP rs187699205, the GC genotype in this SNP was found to be significantly associated with a smaller cup-to-disc ratio (CDR) and increased (better) visual field mean deviation (MD) in glaucoma cases. None of the glaucoma cases with the GC genotype had disc hemorrhages, disc notching, or beanpot disc appearance. In conclusion, glaucoma phenotypes differed significantly by variant in African American patients with POAG, and a SNP variant was associated with certain disease features considered lower risk.

Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.

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Classification:

15 Miscellaneous



Issue 22-3

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