ArticleJournal of translational medicine2024
The causal effects of lifestyle, circulating, pigment, and metabolic factors on early age-related macular degeneration: a comprehensive Mendelian randomization study.
Article in Journal of translational medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Assessment of quality, reliability, and interactive characteristics of age-related macular degeneration short videos on TikTok: a cross-sectional study.Scientific reports · 2026Article
- Potential Causal Effects of Cystatin C on Age-Related Macular Degeneration: A Two-Sample Mendelian Randomization Study.Biomedicines · 2025Article
- Cross-Trait Cross-Genome Cross-Organ Analysis of Gastrointestinal Disorders and Depression.Digestive diseases and sciences · 2025Article
- Association between four anthropometric indices with age-related Macular Degeneration from NHANES 2005-2008.Lipids in health and disease · 2025Article
- Association between non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio and age-related macular degeneration: insights from two observational studies.Frontiers in medicine · 2025Article
- The Potential Causal Association of Apolipoprotein A and B and Age-Related Macular Degeneration: A Mendelian Randomisation Study.Biomedicines · 2024Article
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Authors and funding
7 authors.
Funding
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Abstract
purposeEarly detection of lifestyle factors, skin and hair color, circulating parameters, and metabolic comorbidities is crucial for personalized prevention and treatment of early age-related macular degeneration (AMD). This study aimed to assess the relationships between genetically predicted comprehensive risk factors and early AMD. METHODS AND
resultsPublicly available genome-wide association study (GWAS) data were utilized to identify genetic variants significantly associated with each trait. We applied a Bonferroni-corrected significance level of P < 0.0017. P values between 0.0017 and 0.05 were considered suggestive associations. Univariable Mendelian randomization (MR) analyses revealed that elevated serum HDL-C, lower serum TG, and decreased three circulating fatty acids levels were robust indicators of an increased risk of early AMD (all P < 0.0017), with odds ratios (ORs) and 95% confidence intervals (CIs) of 1.218 (1.140-1.303), 0.784 (0.734-0.837), 0.772 (0.698-0.855), 0.776 (0.706-0.852), and 0.877 (0.798-0.963), respectively. Additionally, the "never eat wheat products", "age started wearing glasses", and "skin color" were significantly associated with the risk of early AMD (both P < 0.0017), with ORs (95% CIs) of 23.853 (2.731-208.323), 1.605 (1.269-2.030) and 1.190 (1.076-1.317), respectively. Multivariable MR analysis confirmed that elevated serum HDL-C (OR = 1.187, 1.064-1.324) increased the risk of early AMD, while higher serum TG (OR = 0.838, 0.738-0.950) was associated with a significantly lower risk. Furthermore, validation results indicated that serum HDL-C 1.201 (1.101-1.310) and TG 0.795 (0.732-0.864) were significantly associated with the risk of early AMD. There were suggestive associations of smoothies, chronotype, and hair color (0.0017 < P < 0.05), but sun/UV protection, smoking, BMI, diabetes, high blood pressure, cardiovascular diseases, fresh fruit intake, fish oil/cod liver oil supplement, sleeplessness, serum C-reactive protein level, and iron level were not associated with the risk of early AMD.
conclusionsOur comprehensive MR analysis demonstrated that elevated circulating HDL-C levels increase the risk of early AMD, while TG and fatty acid levels are associated with a decreased risk. These findings provide robust evidence for improved diagnosis and personalized prevention and treatment of early AMD.
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