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Fetal serum metabolites are independently associated with gestational diabetes mellitus.

Cell. Physiol. Biochem. 45, 625-638 (2018)
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Open Access Gold
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Background/Aims: Gestational diabetes (GDM) might be associated with alterations in the metabolomic profile of affected mothers and their offspring. Until now, there is a paucity of studies that investigated both, the maternal and the fetal serum metabolome in the setting of GDM. Mounting evidence suggests that the fetus is not just passively affected by gestational disease but might play an active role in it. Metabolomic studies performed in maternal blood and fetal cord blood could help to better discern distinct fetal from maternal disease interactions. Methods: At the time of birth, serum samples from mothers and newborns (cord blood samples) were collected and screened for 163 metabolites utilizing tandem mass spectrometry. The cohort consisted of 412 mother/child pairs, including 31 cases of maternal GDM. Results: An initial non-adjusted analysis showed that eight metabolites in the maternal blood and 54 metabolites in the cord blood were associated with GDM. After Benjamini-Hochberg (BH) procedure and adjustment for confounding factors for GDM, fetal phosphatidylcholine acyl-alkyl C 32:1 and proline still showed an independent association with GDM. Conclusions: This study found metabolites in cord blood which were associated with GDM, even after adjustment for established risk factors of GDM. To the best of our knowledge, this is the first study demonstrating an independent association between fetal serum metabolites and maternal GDM. Our findings might suggest a potential effect of the fetal metabolome on maternal GDM.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Gestational Diabetes ; Metabolomics ; Phosphatidylcholine Acyl-alkyl C 32:1 ; Proline; Trimester Amniotic-fluid; Adverse Pregnancy Outcomes; Maternal Glycemic Control; Chain Amino-acids; Low-birth-weight; Insulin-resistance; Intervillous Space; Glucose-tolerance; Newborn-infants; Sex Determines
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