ArticleAnnals of translational medicine2020
Interaction of two functional genetic variants LOXL1 rs1048661 and VEGFA rs3025039 on the risk of age-related macular degeneration in Chinese women.
Article in Annals of translational medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 3 citations in OpenAlex.
- Relationship between CCL2 gene 2518A/G (rs1024611) polymorphism and age-related macular degeneration susceptibility: meta-analysis and trial sequential analysis.International ophthalmology · 2024Pooled it
- Investigating the Shared Genetic Architecture of 3 Age-Related Ocular Disorders.Ophthalmology science · 2026Article
- Review
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCumulative evidence indicates that LOXL1 and VEGF-a play important roles in extracellular matrix formation and angiogenesis, respectively. The disorder of extracellular matrix and angiogenesis are the key factors of pathogenesis of age-related macular degeneration (AMD). We hypothesized that rs1048661 (T>G) in the LOXL1 gene and rs3025039 (C>T) in the VEGFA gene might be associated with risk of AMD.
methodsA total of 533 unrelated Chinese subjects, 286 cases (247 with early AMD and 39 with late neovascular AMD) and 247 controls, were included in the study. The gene sequences of LOXL1 rs1048661 and VEGFA rs3025039 were amplified by polymerase chain reaction and genotyped. Interaction between rs1048661 and rs3025039 on AMD risk was also assessed.
resultsLOXL1 rs1048661 but not VEGFA rs3025039 was associated with a significantly increased risk of AMD. The adjusted odds ratio was 1.6 (95% CI, 1.1-2.5) for rs1048661 TT + GT genotype compared with GG homozygotes in the dominant model analysis. Moreover, there was a significant gene-gene interaction between these two polymorphic loci. In VEGFA rs3025039 CC + CT genotype which indicated sufficient expression of VEGF-a, LOXL1 rs1048661 had odds ratios of 1.7 (95% CI, 1.1-2.7) for early AMD and 3.6 (95% CI, 1.1-12.3) for late neovascular AMD in the dominant model analysis. However, LOXL1 rs1048661 did not confer the risk of AMD in subjects harboring VEGFA rs3025039 TT genotype which indicated decreased expression of VEGF-a.
conclusionsOur findings suggest that LOXL1 rs1048661 (T>G) may be involved in the risk of AMD. In addition, LOXL1 rs1048661 and VEGFA rs3025039 interacted to confer the development of AMD, especially for late-stage neovascular AMD. Our data need to be further validated.
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