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Serum Biomarker Identification by Mass Spectrometry in Acute Aortic Dissection.

Serum Biomarker Identification by Mass Spectrometry in Acute Aortic Dissection.
Author Information (click to view)

Ren Y, Tang Q, Liu W, Tang Y, Zhu R, Li B,


Ren Y, Tang Q, Liu W, Tang Y, Zhu R, Li B, (click to view)

Ren Y, Tang Q, Liu W, Tang Y, Zhu R, Li B,

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Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology 2017 12 1244(6) 2147-2157 doi 10.1159/000485954
Abstract
BACKGROUND/AIMS
Aortic dissection (AD) is also known as intramural hematoma. This study aimed to screen peripheral blood biomarkers of small molecule metabolites for AD using high-performance liquid chromatography-mass spectrometry (HPLC-MS).

METHODS
Sera from 25 healthy subjects, 25 patients with well-established AD, and 25 patients with well-established hypertension were investigated by HPLC-MS to detect metabolites, screen differentially expressed metabolites, and analyze metabolic pathways.

RESULTS
Twenty-six and four metabolites were significantly up- and down-regulated in the hypertensive patients compared with the healthy subjects; 165 metabolites were significantly up-regulated and 109 significantly down-regulated in the AD patients compared with the hypertensive patients. Of these metabolites, 35 were up-regulated and 105 down-regulated only in AD patients. The metabolites that were differentially expressed in AD are mainly involved in tryptophan, histidine, glycerophospholipid, ether lipid, and choline metabolic pathways. As AD alters the peripheral blood metabolome, analysis of peripheral blood metabolites can be used in auxiliary diagnosis of AD.

CONCLUSION
Eight metabolites are potential biomarkers for AD, 3 of which were differentially expressed and can be used for auxiliary diagnosis of AD and evaluation of treatment effectiveness.

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