Proteomics

Dataset Information

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Hydroxyapatite-binding plasma proteins in Age-related macular degenaration


ABSTRACT: This project identifies and quantitates Hydroxyapatite binding proteins (HAP) in plasma genotyped for complement factor H (CFH) polymorphism in late stage age-related macular degeneration (AMD) patients by sequential window acquisition of all theoretical mass spectra (SWATH). This study provides insights into factors contributing to the formation of sub-retinal pigment epithelial (RPE) deposits and explores the effect of AMD-associated CFH polymorphism on deposit composition.

INSTRUMENT(S): TripleTOF 5600

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Blood Plasma

SUBMITTER: Silvia Synowsky  

LAB HEAD: Alan J. Stewart

PROVIDER: PXD007944 | Pride | 2018-03-28

REPOSITORIES: Pride

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Publications

Quantitative analysis of hydroxyapatite-binding plasma proteins in genotyped individuals with late-stage age-related macular degeneration.

Arya Swati S   Emri Eszter E   Synowsky Silvia A SA   Shirran Sally L SL   Barzegar-Befroei Neda N   Peto Tunde T   Botting Catherine H CH   Lengyel Imre I   Stewart Alan J AJ  

Experimental eye research 20180324


Age-related macular degeneration (AMD) is associated with the formation of sub-retinal pigment epithelial (RPE) deposits that block circulatory exchange with the retina. The factors that contribute to deposit formation are not well understood. Recently, we identified the presence of spherular hydroxyapatite (HAP) structures within sub-RPE deposits to which several AMD-associated proteins were bound. This suggested that protein binding to HAP represents a potential mechanism for the retention of  ...[more]

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