Δημοσίευση

A pilot case-control study of urine metabolomics in preterm neonates with necrotizing enterocolitis.

ΤίτλοςA pilot case-control study of urine metabolomics in preterm neonates with necrotizing enterocolitis.
Publication TypeJournal Article
Year of Publication2019
AuthorsThomaidou, A., Chatziioannou A. Chrysovala, Deda O., Benaki D., Gika H., Mikros E., Agakidis C., Raikos N., Theodoridis G., & Sarafidis K.
JournalJ Chromatogr B Analyt Technol Biomed Life Sci
Volume1117
Pagination10-21
Date Published2019 Jun 01
ISSN1873-376X
Λέξεις κλειδιάBiomarkers, Case-Control Studies, Chromatography, Liquid, Enterocolitis, Necrotizing, Female, Humans, Infant, Newborn, Male, Metabolome, Metabolomics, Pilot Projects, Tandem Mass Spectrometry
Abstract

Necrotizing enterocolitis (NEC) is a leading cause of gastrointestinal morbidity and mortality in preterm neonates. The aim of this pilot study was to explore using metabolomics alternations in the urine metabolites related to NEC that could possibly serve as diagnostic biomarkers of the disease. Urine samples were prospectively collected at the day of initial evaluation for NEC from 15 diseased preterm neonates (five Bell's stage I and ten stage II/III) and an equal number of matched controls. Urine metabolic profiles were assessed using non-targeted nuclear magnetic resonance spectroscopy and targeted liquid chromatography-tandem mass spectrometry monitoring 108 metabolites. Multivariate statistical models with data from either analytical approach showed clear separation between the metabolic profiles of neonates with NEC and controls. Twenty-five discriminant metabolites were identified belonging to amino and organic acids, sugars and vitamins. A number of metabolite combinations were found to have an excellent diagnostic performance in detecting neonates developing NEC. Our results show that the metabolic profile of neonates with NEC differs significantly from that of controls, making possible their separation using urine metabolomic analysis. Nevertheless, whether the small set of significant metabolites detected in this investigation could be used as early diagnostic biomarkers of NEC should be validated in larger studies.

DOI10.1016/j.jchromb.2019.04.019
Alternate JournalJ Chromatogr B Analyt Technol Biomed Life Sci
PubMed ID30991202

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