ArticleNutrition & metabolism2025
Integrative multi-omics investigation of sleep apnea: gut microbiome metabolomics, proteomics and phenome-wide association study.
Article in Nutrition & metabolism, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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8 authors.
Funding
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Abstract
backgroundSleep apnea (SA) is linked to various diseases. This study examines the causal link between the gut microbiome and SA, exploring potential predictive factors and target proteins using a multi-omics approach with a Phenome-wide association study (PheWAS).
methodsBidirectional Mendelian Randomization (MR) and Linkage Disequilibrium Score Regression (LDSC) were used to assess the genetic correlation and causal relationships between the gut microbiome and SA. Mediation analysis identified intermediate relationships involving "gut microbiome-inflammatory proteins-SA." Two-sample MR and colocalization analysis in the deCODE and UK Biobank Pharma Proteomics Project (UKB-PPP) databases identified protein quantitative trait loci (pQTL) associated with SA. Validation analysis used Fenland proteins, methylation quantitative trait loci (mQTL), and expression quantitative trait loci (eQTL). PheWAS screened 29 SA-associated SNPs and matched control SNPs (4:1 ratio) from UK Biobank data chosen through MR and LDSC analyses.
resultsInverse-variance weighted (IVW) bidirectional MR analysis did not establish a causal link between the gut microbiome and SA. C-C motif chemokine 28 showed causal relationships in both directions (forward IVW, P = 0.0336; reverse IVW, P = 0.0336). Intermediate connections were found between the Holdemanella genus and urinary plasminogen activator levels with SA. TIMP4 protein had a significant causal relationship with SA(IVW method: P > 0.05, PH4 = 96.1%; P = 7.85 × 10
conclusionBidirectional causal relationships exist between SA and inflammatory proteins, with TIMP4 identified as a pathogenic factor and potential therapeutic target. PRIM1 and BMP8 A may impact SA risk. Body impedance and predicted mass predict SA significantly.
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