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Redox Biol. 2017 Aug;12:899-907. doi: 10.1016/j.redox.2017.04.032. Epub 2017 Apr 26.

Comprehensive metabolomics identified lipid peroxidation as a prominent feature in human plasma of patients with coronary heart diseases.

Author information

1
Key Laboratory of Food Safety Research, Institute for Nutritional Sciences (INS), Shanghai Institutes for Biological Sciences (SIBS), Chinese Academy of Sciences (CAS), Shanghai 200031, China; University of the Chinese Academy of Sciences, CAS, Beijing 100049, China; Key Laboratory of Food Safety Risk Assessment, Ministry of Health, Beijing 100000, China.
2
Department of Cardiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, China.
3
Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China.
4
Key Laboratory of Food Safety Research, Institute for Nutritional Sciences (INS), Shanghai Institutes for Biological Sciences (SIBS), Chinese Academy of Sciences (CAS), Shanghai 200031, China; University of the Chinese Academy of Sciences, CAS, Beijing 100049, China; Key Laboratory of Food Safety Risk Assessment, Ministry of Health, Beijing 100000, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 200031, China.
5
The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Health Science Center, Peking University, Beijing 100191, China.
6
Key Laboratory of Food Safety Research, Institute for Nutritional Sciences (INS), Shanghai Institutes for Biological Sciences (SIBS), Chinese Academy of Sciences (CAS), Shanghai 200031, China; Key Laboratory of Food Safety Risk Assessment, Ministry of Health, Beijing 100000, China.
7
The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Health Science Center, Peking University, Beijing 100191, China. Electronic address: zhengl@bjmu.edu.cn.
8
Key Laboratory of Food Safety Research, Institute for Nutritional Sciences (INS), Shanghai Institutes for Biological Sciences (SIBS), Chinese Academy of Sciences (CAS), Shanghai 200031, China; University of the Chinese Academy of Sciences, CAS, Beijing 100049, China; Key Laboratory of Food Safety Risk Assessment, Ministry of Health, Beijing 100000, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 200031, China. Electronic address: hyyin@sibs.ac.cn.

Abstract

Coronary heart disease (CHD) is a complex human disease associated with inflammation and oxidative stress. The underlying mechanisms and diagnostic biomarkers for the different types of CHD remain poorly defined. Metabolomics has been increasingly recognized as an enabling technique with the potential to identify key metabolomic features in an attempt to understand the pathophysiology and differentiate different stages of CHD. We performed comprehensive metabolomic analysis in human plasma from 28 human subjects with stable angina (SA), myocardial infarction (MI), and healthy control (HC). Subsequent analysis demonstrated a uniquely altered metabolic profile in these CHD: a total of 18, 37 and 36 differential metabolites were identified to distinguish SA from HC, MI from SA, and MI from HC groups respectively. Among these metabolites, glycerophospholipid (GPL) metabolism emerged as the most significantly disturbed pathway. Next, we used a targeted metabolomic approach to systematically analyze GPL, oxidized phospholipid (oxPL), and downstream metabolites derived from polyunsaturated fatty acids (PUFAs), such as arachidonic acid and linoleic acid. Surprisingly, lipids associated with lipid peroxidation (LPO) pathways including oxidized PL and isoprostanes, isomers of prostaglandins, were significantly elevated in plasma of MI patients comparing to HC and SA, consistent with the notion that oxidative stress-induced LPO is a prominent feature in CHD. Our studies using the state-of-the-art metabolomics help to understand the underlying biological mechanisms involved in the pathogenesis of CHD; LPO metabolites may serve as potential biomarkers to differentiation MI from SA and HC.

KEYWORDS:

Coronary heart disease (CHD); Isoprostanes; Lipid peroxidation; Lipidomics; Metabolomics; Myocardial infarction

PMID:
28472752
PMCID:
PMC5415551
DOI:
10.1016/j.redox.2017.04.032
[Indexed for MEDLINE]
Free PMC Article

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