相关实验视频
Updated: May 15, 2026

10:22
Enrichment of Bruch's Membrane from Human Donor Eyes
Published on: November 15, 2015
12.1K
与年龄相关的斑点退化和异眼斑点:科因布拉眼睛研究中的遗传关联
Cláudia Farinha1,2,3,4, Patrícia Barreto1, Rita Coimbra1,5
1AIBILI-Association for Innovation and Biomedical Research on Light and Image, Coimbra, Portugal.
Investigative ophthalmology & visual science
|May 22, 2024
概括
额外眼 (EMD) 与与年龄相关的黄斑变性 (AMD) 密切相关,表明有共同的遗传基础. 然而,AMD的整体遗传风险得分并不能预测EMD,这表明单独的EMD不会增加AMD的遗传风险.
科学领域:
- 眼科医生 眼科 眼科
- 遗传学 是一个遗传学.
- 医学研究 医学研究
背景情况:
- 与年龄相关的黄斑变性 (AMD) 是导致视力丧失的主要原因.
- 额外眼液 (EMD) 是脂质沉积物,可以随着或没有AMD发生.
- 了解EMD和AMD之间的遗传联系对于疾病预测和管理至关重要.
研究的目的:
- 调查EMD和AMD之间的遗传关联.
- 为了确定AMD的遗传风险得分 (GRS) 是否与EMD的存在有关.
- 探索在AMD中常见的个体遗传风险变异及其与EMD的关联.
主要方法:
- 从912个受试者的1753只眼睛中对AMD和EMD的表型特征.
- 基因测序和计算AMD遗传风险评分 (GRS) 使用EYE-RISK联盟方法.
- 统计分析包括威尔科克森等级和值测试和后勤回归模型.
主要成果:
- 在患有AMD的眼睛中有14.4%,在没有AMD的眼睛中有28.7%.
- EMD与AMD有很强的关联 (OR,3.333;P < 0.001).EMD与AMD有很强的关联 (OR,3.333;P < 0.001).EMD与AMD有很强的关联.
- AMD GRS与AMD风险增加有关 (OR,1.416;P<0.001),但与EMD没有关联. 特定的变体 (ARMS2,C3,CETP) 与EMD相关.
结论:
- 在EMD和AMD之间存在着强烈的关联,这表明共享的发病因.
- 虽然个体风险变异重叠,但整体AMD GRS与EMD无关.
- 单独使用EMD似乎不会增加AMD的全球遗传风险.
更多相关视频
09:37A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging
Published on: July 14, 2016
8.3K
10:14Author Spotlight: Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration
Published on: May 26, 2023
3.1K
相关概念视频
Genetic Lingo
Overview
Glaucoma: Overview
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
Diabetic Retinopathy
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...