ArticleMolecular and cellular biochemistry2024
Maternal hypercholesterolemia during gestation is associated with elevated lipid levels of two-day-old neonates.
Article in Molecular and cellular biochemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Maternal hypercholesterolemia (MHC) during pregnancy is associated with the risk of developing aortic lesions in fetuses. There is also a possibility of faster progression of atherosclerosis in offspring born to hypercholesterolemic mothers (HCM) during their adulthood. We investigated whether elevated maternal cholesterol levels during pregnancy influence the lipid levels in offspring. We analyzed the lipid profile of mothers during the three trimesters, cord blood (CB) at birth, and neonatal blood (NB) on Day 2 postpartum in the offspring. Cholesterol levels of HCM significantly increased throughout gestation when compared to normocholesterolemic mothers (NCM). CB lipid levels of newborns of HCM were similar to the newborns of NCM. While NB of offspring of HCM had elevated levels of triglycerides (TG) (p < 0.01) and very low-density lipoprotein (VLDL) (p < 0.01) when compared to the offspring of NCM. MHC also resulted in low newborn birthweight (p < 0.05) and low placental efficiency (ratio of newborn birth weight to placental weight) (p < 0.01) but no change was observed in umbilical cord length or placental weight. Immunohistochemical analysis revealed no significant changes in the protein expression of genes involved in TG metabolisms such as LDLR, VLDLR, CETP, and PPARG. We report that MHC in mothers decreases placental efficiency and newborn birthweight while increasing lipid levels in neonates on the second postpartum day. Given that TG levels modulate the circulating Low-Density lipoproteins, the increase in these levels in neonates gains importance. Whether these consistently high levels cause atherosclerosis in early adulthood warrants further investigation.
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