systems-level analysis of age-related macular degeneration reveals global biomarkers and phenotype-specific functional networks系统性年龄相关性黄斑变性的分析,将揭示全球生物标志物和phenotype-specific功能网络.pdf
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Newman et al. Genome Medicine 2012, 4:16
/content/4/2/16
RESEARCH Open Access
Systems-level analysis of age-related macular
degeneration reveals global biomarkers and
phenotype-specific functional networks
1,5 1 2 3 1 1
Aaron M Newman , Natasha B Gallo , Lisa S Hancox , Norma J Miller , Carolyn M Radeke , Michelle A Maloney ,
4 3 1 1 1*
James B Cooper , Gregory S Hageman , Don H Anderson , Lincoln V Johnson and Monte J Radeke
Abstract
Background: Age-related macular degeneration (AMD) is a leading cause of blindness that affects the central
region of the retinal pigmented epithelium (RPE), choroid, and neural retina. Initially characterized by an
accumulation of sub-RPE deposits, AMD leads to progressive retinal degeneration, and in advanced cases,
irreversible vision loss. Although genetic analysis, animal models, and cell culture systems have yielded important
insights into AMD, the molecular pathways underlying AMD’s onset and progression remain poorly delineated. We
sought to better understand the molecular underpinnings of this devastating disease by performing the first
comparative transcriptome analysis of AMD and normal human donor eyes.
Methods: RPE-choroid and retina tissue samples were obtained from a common cohort of 31 normal, 26 AMD,
and 11 potential pre-AMD human donor eyes. Transcriptome profiles were generated for macular and extramacular
regions, and statistical and bioinformatic methods were employed to identify disease-associated gene signatures
and functionally enriched protein association networks. Selected genes of
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