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Temporal relationships between maternal metabolic parameters with neonatal adiposity in women with obesity differ by neonatal sex: Secondary analysis of the DALI study.

ABSTRACT: OBJECTIVES:To investigate the importance of time in pregnancy and neonatal sex on the association between maternal metabolic parameters and neonatal sum of skinfolds. METHODS:This was a longitudinal, secondary analysis of the vitamin D and lifestyle intervention for gestational diabetes mellitus study, conducted in nine European countries during 2012 to 2015. Pregnant women with a pre-pregnancy body mass index (BMI) of ?29?kg/m2 were invited to participate. We measured 14 maternal metabolic parameters at three times during pregnancy: <20?weeks, 24 to 28?weeks, and 35 to 37?weeks of gestation. The sum of four skinfolds assessed within 2?days after birth was the measure of neonatal adiposity. RESULTS:In total, 458 mother-infant pairs (50.2% female infants) were included. Insulin resistance (fasting insulin and HOMA-index of insulin resistance) in early pregnancy was an important predictor for boys' sum of skinfolds, in addition to fasting glucose and maternal adiposity (leptin, BMI and neck circumference) throughout pregnancy. In girls, maternal lipids (triglycerides and fatty acids) in the first half of pregnancy were important predictors of sum of skinfolds, as well as fasting glucose in the second half of pregnancy. CONCLUSIONS:Associations between maternal metabolic parameters and neonatal adiposity vary between different periods during pregnancy. This time-dependency is different between sexes, suggesting different growth strategies.

SUBMITTER: Lima RA

PROVIDER: S-EPMC7317347 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Temporal relationships between maternal metabolic parameters with neonatal adiposity in women with obesity differ by neonatal sex: Secondary analysis of the DALI study.

Lima Rodrigo A RA Desoye Gernot G Simmons David D Devlieger Roland R Galjaard Sander S Corcoy Rosa R Adelantado Juan M JM Dunne Fidelma F Harreiter Jürgen J Kautzky-Willer Alexandra A Damm Peter P Mathiesen Elisabeth R ER Jensen Dorte M DM Andersen Lise-Lotte LL Tanvig Mette M Lapolla Annunziata A Dalfra Maria G MG Bertolotto Alessandra A Wender-Ozegowska Ewa E Zawiejska Agnieszka A Hill David J DJ Snoek Frank J FJ Jelsma Judith G M JGM van Poppel Mireille N M MNM

Pediatric obesity 20200306 7

<h4>Objectives</h4>To investigate the importance of time in pregnancy and neonatal sex on the association between maternal metabolic parameters and neonatal sum of skinfolds.<h4>Methods</h4>This was a longitudinal, secondary analysis of the vitamin D and lifestyle intervention for gestational diabetes mellitus study, conducted in nine European countries during 2012 to 2015. Pregnant women with a pre-pregnancy body mass index (BMI) of ≥29 kg/m<sup>2</sup> were invited to participate. We measured ...[more]

PMID: 32141687

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Project description:BackgroundAsthma and obesity are both complex conditions characterized by chronic inflammation, and obesity-related severe asthma has been associated with differences in the microbiome. However, whether the airway microbiome and microbiota-immune response relationships differ between obese persons with or without nonsevere asthma is unestablished.ObjectiveWe compared the airway microbiome and microbiota-immune mediator relationships between obese and nonobese subjects, with and without mild-moderate asthma.MethodsWe performed cross-sectional analyses of the airway (induced sputum) microbiome and cytokine profiles from blood and sputum using 16S ribosomal RNA gene and internal transcribed spacer region sequencing to profile bacteria and fungi, and multiplex immunoassays. Analysis tools included QIIME 2, linear discriminant analysis effect size (aka LEfSe), Piphillin, and Sparse inverse covariance estimation for ecological association inference (aka SPIEC-EASI).ResultsObesity, irrespective of asthma status, was associated with significant differences in sputum bacterial community structure and composition (unweighted UniFrac permutational analysis of variance, P = .02), including a higher relative abundance of Prevotella, Gemella, and Streptococcus species. Among subjects with asthma, additional differences in sputum bacterial composition and fungal richness were identified between obese and nonobese individuals. Correlation network analyses demonstrated differences between obese and nonobese asthma in relationships between cytokine mediators, and these together with specific airway bacteria involving blood PAI-1, sputum IL-1β, GM-CSF, IL-8, TNF-α, and several Prevotella species.ConclusionObesity itself is associated with an altered sputum microbiome, which further differs in those with mild-moderate asthma. The distinct differences in airway microbiota and immune marker relationships in obese asthma suggest potential involvement of airway microbes that may affect mechanisms or outcomes of obese asthma.

Dataset Information

Temporal relationships between maternal metabolic parameters with neonatal adiposity in women with obesity differ by neonatal sex: Secondary analysis of the DALI study.

Publications

Temporal relationships between maternal metabolic parameters with neonatal adiposity in women with obesity differ by neonatal sex: Secondary analysis of the DALI study.

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