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Title: Exploratory investigation reveals parallel alteration of plasma fatty acids and eicosanoids in coronary artery disease patients
Authors: Xu, Y.-J.
Ho, W.E.
Xu, F.
Wen, T.
Ong, C.N. 
Keywords: Cardiovascular diseases
Fatty acids
Issue Date: 2013
Citation: Xu, Y.-J., Ho, W.E., Xu, F., Wen, T., Ong, C.N. (2013). Exploratory investigation reveals parallel alteration of plasma fatty acids and eicosanoids in coronary artery disease patients. Prostaglandins and Other Lipid Mediators 106 (1) : 29-36. ScholarBank@NUS Repository.
Abstract: Fatty acids and eicosanoids are two important classes of signaling lipid molecules involved in the pathogenesis of cardiovascular diseases. To investigate the physiological functions and interplay between fatty acids and eicosanoids in coronary artery disease (CAD) patients, we developed an analytical approach for parallel quantitative analysis of plasma fatty acids and eicosanoids, using gas chromatography-tandem mass spectrometry (GC-MS/MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS). In this study, 26 fatty acids and 12 eicosanoids were confidently detected in 12 patients with confirmed coronary artery disease and 11 healthy subjects. Pattern recognition analysis (principal components analysis, orthogonal partial least-square discriminate analysis, and hierarchical clustering analysis) demonstrated that the plasma lipid profile of fatty acids and eicosanoids enabled robust discrimination of CAD patients versus healthy subjects. Significant differences in six fatty acids and five eicosanoids were noted among CAD patients and healthy subjects. The development of cardiovascular disease-induced metabolic change of fatty acids and eicosanoids, such as eicosapentaenoic acid, docosahexaenoic acid, arachidonic acid, hydroxyeicosatetraenoic acids and hydroxyoctadecadienoic acid, were consistent with previous isolated observations. Moderate-strong correlations between three plasma fatty acids and three eicosanoids from arachidonic acid metabolism were also observed. In brief, findings from this exploratory study offered a new insight on the roles of various bioactive lipid molecules in the development of coronary artery disease biomarkers. © 2013 Elsevier Inc.
Source Title: Prostaglandins and Other Lipid Mediators
ISSN: 10988823
DOI: 10.1016/j.prostaglandins.2013.08.003
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