Proteomics and pitfalls in the search for potential biomarkers of abdominal aortic aneurysms.

Abstract:

:Proteomics is evolving as an important research technique in cardiovascular disease. We present exploratory research for a systemic biomarker of abdominal aortic aneurysm (AAA) in serum. Forty patients, 20 with large AAAs and 20 matched controls, were prospectively recruited. Serum was harvested, enriched, and mined for differential protein expression. Difference in gel electrophoresis using a two-dimensional platform, cyanine labeling, and Progenesis SameSpots software identified protein spots with significantly altered intensity. Liquid chromatography mass spectrometry aligned to the Seaquest protein database characterized proteins of interest, and 436 protein spots were demonstrated from the 20 processed gels. Thirteen spots of interest, demonstrating fold change (1.7-4) between the two patient cohorts and consistent significant differential expression (analysis of variance, p

journal_name

Vascular

journal_title

Vascular

authors

Nordon IM,Brar R,Hinchliffe RJ,Cockerill G,Thompson MM

doi

10.2310/6670.2010.00046

subject

Has Abstract

pub_date

2010-09-01 00:00:00

pages

264-8

issue

5

eissn

1708-5381

issn

1708-539X

journal_volume

18

pub_type

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