Plasma metabolomics reveals biomarkers of the atherosclerosis

Chen, Xi, Liu, Lian, Palacios, Gustavo, Gao, Jie, Zhang, Ning, Li, Guang, Lu, Juan, Song, Ting, Zhang, Yingzhi, & Lv, Haitao (2010) Plasma metabolomics reveals biomarkers of the atherosclerosis. Journal of Separation Science, 33(17-18), pp. 2776-2783.

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Atherosclerotic cardiovascular disease remains the leading cause of morbidity and mortality in industrialized societies. The lack of metabolite biomarkers has impeded the clinical diagnosis of atherosclerosis so far. In this study, stable atherosclerosis patients (n=16) and age- and sex-matched non-atherosclerosis healthy subjects (n=28) were recruited from the local community (Harbin, P. R. China). The plasma was collected from each study subject and was subjected to metabolomics analysis by GC/MS. Pattern recognition analyses (principal components analysis, orthogonal partial least-squares discriminate analysis, and hierarchical clustering analysis) commonly demonstrated plasma metabolome, which was significantly different from atherosclerotic and non-atherosclerotic subjects. The development of atherosclerosis-induced metabolic perturbations of fatty acids, such as palmitate, stearate, and 1-monolinoleoylglycerol, was confirmed consistent with previous publication, showing that palmitate significantly contributes to atherosclerosis development via targeting apoptosis and inflammation pathways. Altogether, this study demonstrated that the development of atherosclerosis directly perturbed fatty acid metabolism, especially that of palmitate, which was confirmed as a phenotypic biomarker for clinical diagnosis of atherosclerosis.

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ID Code: 62110
Item Type: Journal Article
Refereed: Yes
Keywords: Atherosclerosis/*blood, Biological Markers/*blood, Fatty Acids/blood/chemistry, Gas Chromatography-Mass Spectrometry/methods, Humans, Metabolomics/*methods, Molecular Structure
DOI: 10.1002/jssc.201000395
ISSN: 1615-9314
Divisions: Current > Schools > School of Biomedical Sciences
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Deposited On: 03 Sep 2013 00:08
Last Modified: 05 Sep 2013 04:10

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