Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz

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SHR Neuro Krebs Kardio Lipid Stoffw Microb

Stadler, JT; van, Poppel, MNM; Wadsack, C; Holzer, M; Pammer, A; Simmons, D; Hill, D; Desoye, G; Marsche, G; Dali, Core, Investigator, Group.
Obesity Affects Maternal and Neonatal HDL Metabolism and Function.
Antioxidants (Basel). 2023; 12(1): Doi: 10.3390/antiox12010199 [OPEN ACCESS]
PubMed PUBMED Central FullText FullText_MUG

 

Führende Autor*innen der Med Uni Graz
Marsche Gunther
Stadler Julia
Van Poppel Mireille Nicoline Maria
Co-Autor*innen der Med Uni Graz
Desoye Gernot
Holzer Michael
Pammer Anja
Wadsack Christian
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Abstract:
Pregravid obesity is one of the major risk factors for pregnancy complications such as gestational diabetes mellitus (GDM) and an increased risk of cardiovascular events in children of affected mothers. However, the biological mechanisms that underpin these adverse outcomes are not well understood. High-density lipoproteins (HDLs) are antiatherogenic by promoting the efflux of cholesterol from macrophages and by suppression of inflammation. Functional impairment of HDLs in obese and GDM-complicated pregnancies may have long-term effects on maternal and offspring health. In the present study, we assessed metrics of HDL function in sera of pregnant women with overweight/obesity of the DALI lifestyle trial (prepregnancy BMI ≥ 29 kg/m2) and women with normal weight (prepregnancy BMI < 25 kg/m2), as well as HDL functionalities in cord blood at delivery. We observed that pregravid obesity was associated with impaired serum antioxidative capacity and lecithin-cholesterol acyltransferase activity in both mothers and offspring, whereas maternal HDL cholesterol efflux capacity was increased. Interestingly, functionalities of maternal and fetal HDL correlated robustly. GDM did not significantly further alter the parameters of HDL function and metabolism in women with obesity, so obesity itself appears to have a major impact on HDL functionality in mothers and their offspring.

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