Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2022
Association of HERPUD1 genetic variant rs2217332 with age-related macular degeneration and polypoidal choroidal vasculopathy in an Indian cohort.
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Alagappan Lakshmi Priyankka, Ramaswamy Yazhini, Sundaramoorthy Deepak Kumar, Bhaskar Joshitha, Sarangapani Sripriya, Sen Parveen, Raman Rajiv, Bhende Muna, Mathavan Sinnakaruppan
Аннотация
PURPOSE: Age-related macular degeneration (AMD) and polypoidal choroidal vasculopathy (PCV) are sister diseases and have several similar clinical features and still have few genetic differences. The association of HERPUD1 (homocysteine inducible ER protein with ubiquitin like domain 1) gene variant rs2217332 with PCV is known; however, such association with AMD has not been reported in the Indian population. We analyzed the association of rs2217332 with PCV and AMD to identify the preferential association of this variant with these diseases.
METHODS: This is a population-based case-control study consisting of 422 patients (129 AMD cases; 101 PCV cases, 192 healthy controls) recruited from the vitreoretinal clinic Sankara Nethralaya. The sample size for the study was calculated using appropriate power calculation methods. Genotype was determined using PCR-based Sanger sequencing. The SPSS V23.0 statistical package tool was used to calculate chi-square and ROC to determine the association of rs2217332 with control, AMD, and PCV.
RESULTS: Here, we report for the first time the association of this genetic variant (rs2217332) with AMD and PCV in the Indian population. The case-control study shows a significant association of this SNP with PCV (P value = 0.002); however, this variant is not significantly associated with AMD (P value = 0.602). Comparison between AMD (as control) and PCV (as case) also showed significant association of the SNP with PCV (P value = 0.02). Minor allele A conferred to increase the risk of PCV.
CONCLUSIONS: The study concludes that the genetic variant rs2217332 in HERPUD1 gene is highly significantly associated with PCV and not with AMD in Indian populations.
METHODS: This is a population-based case-control study consisting of 422 patients (129 AMD cases; 101 PCV cases, 192 healthy controls) recruited from the vitreoretinal clinic Sankara Nethralaya. The sample size for the study was calculated using appropriate power calculation methods. Genotype was determined using PCR-based Sanger sequencing. The SPSS V23.0 statistical package tool was used to calculate chi-square and ROC to determine the association of rs2217332 with control, AMD, and PCV.
RESULTS: Here, we report for the first time the association of this genetic variant (rs2217332) with AMD and PCV in the Indian population. The case-control study shows a significant association of this SNP with PCV (P value = 0.002); however, this variant is not significantly associated with AMD (P value = 0.602). Comparison between AMD (as control) and PCV (as case) also showed significant association of the SNP with PCV (P value = 0.02). Minor allele A conferred to increase the risk of PCV.
CONCLUSIONS: The study concludes that the genetic variant rs2217332 in HERPUD1 gene is highly significantly associated with PCV and not with AMD in Indian populations.