Transcriptomics

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Cardiorespiratory Fitness in Children with Overweight-Obesity: Insights into the Molecular Mechanisms


ABSTRACT: This study aimed to analyze the whole-blood transcriptome profile of fit children with overweight/obesity (OW/OB) compared to unfit children with OW/OB. Methods: 27 children with OW/OB (10.14 ± 1.3 years, 59% boys) from the ActiveBrains project were evaluated. VO2peak was assessed using a gas analyzer, and participants were categorized into fit or unfit according to the CVD risk-related cut-points. Whole-blood transcriptome profile (RNA sequencing) was analyzed. Differential gene expression analysis was performed using Limma R/Bioconductor software package (analyses adjusted by sex and maturational status). Results: 256 genes were differentially expressed in fit children with OW/OB compared to unfit children with OW/OB after adjusting by sex and maturational status (FDR < 0.05). Enriched pathways analysis identified gene pathways related to inflammation (e.g., dopaminergic and GABAergic synapse pathways). Conclusion: The distinct pattern of whole-blood gene expression in fit children with OW/OB reveals genes and gene pathways that might play a role in reducing CVD risk factors later in life.

ORGANISM(S): Homo sapiens

PROVIDER: GSE164873 | GEO | 2021/08/05

REPOSITORIES: GEO

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