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Metabolomics profile of umbilical cord blood is associated with maternal pre-pregnant obesity in a perspective multi-ethnic cohort displaying health disparities

ABSTRACT:

ORGANISM(S): Homo Sapiens

TISSUE(S): Blood

DISEASE(S): Obesity

PROVIDER: ST001114 | MetabolomicsWorkbench |

REPOSITORIES: MetabolomicsWorkbench

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Maternal pre-pregnancy obesity is associated with altered placental transcriptome

Project description:Maternal obesity is becoming a major health consideration for successful pregnancy outcomes. There is growing proof that maternal obesity has a negative influence on placental development and function, thereby adversely influencing offspring programming and health outcomes. However, the molecular mechanisms underlying these processes are so far poorly understood. We set out to analyse term placenta whole transcriptome in obese (n=5) and normoweight women (n=5), using Affymetrix microarray platform compromising of 50,000 probe sets. Our analysis shows that the placental transcriptome differs between normoweight and obese women. Different processes and pathways among placenta from obese women were dysregulated, including inflammation and immune responses, lipid metabolism, cell death and survival and cancer pathways, vasculogenesis and angiogenesis, and glucocorticoid receptor signaling pathway. Together, this global gene expression profiling approach demonstrates and confirms that maternal obesity creates a unique in utero environment that impairs placental transcriptome.

2017-01-07 | E-MTAB-4541 | biostudies-arrayexpress