Amino acid and acylcarnitine profiles in perinatal asphyxia: a case-control study
2018
AbstractObjective: To estimate cord blood amino acid and acylcarnitine levels in term newborns exposed to perinatal asphyxia.Materials and methods: We studied 45 asphyxiated term newborns (cases) and 20 gestational age-matched healthy newborns (control). 16 cases developed HIE according to clinical scoring and amplitude-integrated electroencephalography. Asphyxiated cases were accordingly subdivided into: HIE group (n = 16) and Asphyxia group (n = 29). Amino acid and acylcarnitine levels were measured in cord blood dried spot samples from all newborns using ultra-performance liquid chromatography-mass spectrometry (UPLC-MS). Data were analyzed using one-way ANOVA with post hoc test and MetaboAnalyst-2.Results: Distinct metabolite alterations were detected in cases versus control, in HIE versus Asphyxia, and in Survivors within HIE group (n = 6) versus nonsurvivors (n = 10). Principal component analysis (PCA) and partial least squares-discriminate analysis (PLS-DA) showed increased levels of methionine and...
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