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Published in: European Journal of Nutrition 7/2016

01-10-2016 | Original Contribution

Developmental changes in polyunsaturated fetal plasma phospholipids and feto-maternal plasma phospholipid ratios and their association with bronchopulmonary dysplasia

Authors: Wolfgang Bernhard, Marco Raith, Vera Koch, Christoph Maas, Harald Abele, Christian F. Poets, Axel R. Franz

Published in: European Journal of Nutrition | Issue 7/2016

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Abstract

Background

Docosahexaenoic (C22:6) and arachidonic acid (C20:4) are long-chain polyunsaturated fatty acids (LC-PUFA), essential to fetal development, and preferentially transported by plasma phospholipids.

Objective

To characterize fetal and maternal plasma phospholipid changes during gestation, and to investigate whether LC-PUFA phospholipid profiles are associated with bronchopulmonary dysplasia (BPD).

Design

Cord plasma and parturient serum from N = 108 pregnancies [24–42 week postmenstrual age (PMA)] were collected. Phosphatidylcholine (PC) and phosphatidylethanolamine (PE) were analyzed with tandem mass spectrometry. PMA-associated changes were quantified, and break point analyses served to describe nonlinear changes during gestation.

Results

PC and PE were lower in cord than in parturient samples. In parturients, PC decreased until 33 week PMA, but then re-increased, whereas in cord plasma, concentrations linearly decreased. Fetal PC and PC sub-group values correlated with maternal values. C20:4-PC was twofold higher in cord than in maternal samples throughout gestation. C22:6-PC values, however, exceeded maternal values only beyond 33 week PMA. Consequently, early preterm C20:4-PC-to-C22:6-PC ratio largely exceeded term infant values. In infants born before 28 week PMA, a low C20:4-PC-to-C22:6-PC ratio was associated with BPD severity.

Conclusions

Fetal plasma LC-PUFA–PC composition correlates with maternal values. Fetal C20:4-PC exceeds maternal values throughout gestation, whereas C22:6-PC exceeds maternal values only beyond 33 week PMA, resulting in a low fetal C20:4-PC/C22:6-PC ratio only toward end gestation. A low C20:4-PC/C22:6-PC ratio before 28 week PMA is associated with BPD severity. These data point to a concept of PMA-adjusted ARA and DHA supplementation and, potentially, cord plasma phospholipid analysis for BPD prediction.
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Metadata
Title
Developmental changes in polyunsaturated fetal plasma phospholipids and feto-maternal plasma phospholipid ratios and their association with bronchopulmonary dysplasia
Authors
Wolfgang Bernhard
Marco Raith
Vera Koch
Christoph Maas
Harald Abele
Christian F. Poets
Axel R. Franz
Publication date
01-10-2016
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Nutrition / Issue 7/2016
Print ISSN: 1436-6207
Electronic ISSN: 1436-6215
DOI
https://doi.org/10.1007/s00394-015-1036-5

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