Metabolomic changes of neonatal sepsis: an exploratory clinical study

TONG Ping; HUANG Fu-Rong; XU Jun; WU Zi-Qi; HU Xing; LING Ming; WANG Die; WU Bu-Fei; YANG Du-Jiao; ZHANG Ai-Min

doi:10.7499/j.issn.1008-8830.2112020

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Chinese Journal of Contemporary Pediatrics ›› 2022, Vol. 24 ›› Issue (6) : 675-680. DOI: 10.7499/j.issn.1008-8830.2112020

CLINICAL RESEARCH

Metabolomic changes of neonatal sepsis: an exploratory clinical study

TONG Ping, HUANG Fu-Rong, XU Jun, WU Zi-Qi, HU Xing, LING Ming, WANG Die, WU Bu-Fei, YANG Du-Jiao, ZHANG Ai-Min

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Abstract

Objective To study the metabolic mechanism of neonatal sepsis at different stages by analyzing the metabolic pathways involving the serum metabolites with significant differences in neonates with sepsis at different time points after admission. Methods A total of 20 neonates with sepsis who were hospitalized in the Department of Neonatology, Hunan Provincial People's Hospital, from January 1, 2019 to January 1, 2020 were enrolled as the sepsis group. Venous blood samples were collected on days 1, 4, and 7 after admission. Ten healthy neonates who underwent physical examination during the same period were enrolled as the control group. Ultra-performance liquid chromatography-quadrupole time-of-flight mass spectrometry was used for the metabonomic analysis of serum samples to investigate the change in metabolomics in neonates with sepsis at different time points. Results On day 1 after admission, the differentially expressed serum metabolites between the sepsis and control groups were mainly involved in the biosynthesis of terpenoid skeleton. For the sepsis group, the differentially expressed serum metabolites between days 1 and 4 after admission were mainly involved in pyruvate metabolism, and those between days 4 and 7 after admission were mainly involved in the metabolism of cysteine and methionine. The differentially expressed serum metabolites between days 1 and 7 after admission were mainly involved in ascorbic acid metabolism. Conclusions The metabolic mechanism of serum metabolites varies at different stages in neonates with sepsis and is mainly associated with terpenoid skeleton biosynthesis, pyruvate metabolism, cysteine/methionine metabolism, and ascorbic acid metabolism.

Key words

Neonatal sepsis / Metabolomics / Neonate

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TONG Ping, HUANG Fu-Rong, XU Jun, WU Zi-Qi, HU Xing, LING Ming, WANG Die, WU Bu-Fei, YANG Du-Jiao, ZHANG Ai-Min. Metabolomic changes of neonatal sepsis: an exploratory clinical study[J]. Chinese Journal of Contemporary Pediatrics. 2022, 24(6): 675-680 https://doi.org/10.7499/j.issn.1008-8830.2112020

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