The role of apolipoprotein E (rs7412 and rs429358) in age-related macular degeneration

Ophthalmic Genetics
Rasa LiutkevicieneVaiva Lesauskaite

Abstract

Age-related macular degeneration (AMD) is the most common cause of incurable visual impairment in the developed countries. The main pathological change in AMD is the formation of drusen containing 40% of lipids, dominated by esterified cholesterol (EC) and phosphatidylcholine (PC), and protein. Haplotype ε4 of apolipoprotein E (ApoE) acts as a ligand for the low-density lipoprotein receptor and is involved in the maintenance and repair of neuronal cell membranes. This study aimed to evaluate the association of AMD with ApoE gene polymorphism variants (rs7412 and rs429358). A total of 2133 subjects were enrolled in our research. The study group comprised patients with early AMD (n = 413) and exudative AMD (n = 307), and the control group enrolled randomly selected persons (n = 1413). The genotyping of ApoE (rs7412 and rs429358) was performed using the real-time polymerase chain reaction (PCR) method. Statistical analysis revealed that ApoE 4/2 genotype was less frequently observed in in older patients with exudative AMD compared to older healthy controls (0.4% vs. 4.0%, p = 0.003). Our data demonstrated that ApoE 4/2 genotype was less frequently observed in old patients (65 years and more) with exudative AMD compared to old heal...Continue Reading

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Citations

Jan 21, 2021·Experimental Biology and Medicine·Marina Gm ViturinoMônica B de Melo

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