期刊
METABOLOMICS
卷 8, 期 5, 页码 919-929出版社
SPRINGER
DOI: 10.1007/s11306-011-0387-z
关键词
Metabolomics; Neural tube defects; UPLC/TOF-MS; Biomarker
资金
- National Basic Research Development Program of China [2007CB511903]
- National Natural Science Foundations of China [20805026]
A metabolomic study was performed to investigate the biochemical perturbation of the serum samples from neural tube defects affected pregnant women (cases, n = 80) and normal pregnant subjects (controls, n = 95). The serum metabolome was detected using ultra performance liquid chromatography coupled to time-of-flight mass spectrometry (UPLC/TOF-MS). The acquired UPLC-MS data were normalized and processed by principal components analysis and orthogonal partial least squares discriminant analysis. The distinctive biochemical differences between the healthy subjects and NTDs-affected pregnant women were displayed by the pattern recognition methods. According to the data, several potential biomarkers were identified: sphingosine-1-phosphate, galactosylsphingosine, 3-oxohexadecanoic acid, fructose-6-phosphate, docosahexaenoic acid, dehydroepiandrosterone sulfate, and linoleic acid were found with decreased concentrations in the cases, and lysophosphatidylcholine and leukotrienes were found with increased concentrations in the cases. On the basis of the relevant literature and pathway databases, the biological significance of the present study is discussed. And the conclusion was obtained that there must be some other metabolic cycles that could contribute to the occurrence of neural tube defects besides the one-carbon unit metabolism.
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