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Publication Detail

Title: Maternal lipid levels across pregnancy impact the umbilical cord blood lipidome and infant birth weight.

Authors: LaBarre, Jennifer L; Puttabyatappa, Muraly; Song, Peter X K; Goodrich, Jaclyn M; Zhou, Ling; Rajendiran, Thekkelnaycke M; Soni, Tanu; Domino, Steven E; Treadwell, Marjorie C; Dolinoy, Dana C; Padmanabhan, Vasantha; Burant, Charles F

Published In Sci Rep, (2020 08 26)

Abstract: Major alterations in metabolism occur during pregnancy enabling the mother to provide adequate nutrients to support infant development, affecting birth weight (BW) and potentially long-term risk of obesity and cardiometabolic disease. We classified dynamic changes in the maternal lipidome during pregnancy and identified lipids associated with Fenton BW z-score and the umbilical cord blood (CB) lipidome. Lipidomics was performed on first trimester maternal plasma (M1), delivery maternal plasma (M3), and CB plasma in 106 mother-infant dyads. Shifts in the maternal and CB lipidome were consistent with the selective transport of long-chain polyunsaturated fatty acids (PUFA) as well as lysophosphatidylcholine (LysoPC) and lysophosphatidylethanolamine (LysoPE) species into CB. Partial correlation networks demonstrated fluctuations in correlations between lipid groups at M1, M3, and CB, signifying differences in lipid metabolism. Using linear models, LysoPC and LysoPE groups in CB were positively associated with BW. M1 PUFA containing triglycerides (TG) and phospholipids were correlated with CB LysoPC and LysoPE species and total CB polyunsaturated TGs. These results indicate that early gestational maternal lipid levels influence the CB lipidome and its relationship with BW, suggesting an opportunity to modulate maternal diet and improve long-term offspring cardiometabolic health.

PubMed ID: 32848180 Exiting the NIEHS site

MeSH Terms: Adult; Birth Weight*; Female; Fetal Blood/metabolism*; Humans; Infant, Newborn; Lipid Metabolism*; Lipidomics*; Lipids/blood*; Male; Pregnancy/blood*; Prospective Studies

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