Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Bidirectional Two-Sample Mendelian Randomization Analysis Identifies Causal Associations between Gut Microbiome and Sleep-Related Traits

Version 1 : Received: 27 February 2024 / Approved: 28 February 2024 / Online: 28 February 2024 (10:53:33 CET)

How to cite: Zhai, M.; Song, W.; Liu, Z.; Cai, W.; Lin, G. Bidirectional Two-Sample Mendelian Randomization Analysis Identifies Causal Associations between Gut Microbiome and Sleep-Related Traits. Preprints 2024, 2024021597. https://doi.org/10.20944/preprints202402.1597.v1 Zhai, M.; Song, W.; Liu, Z.; Cai, W.; Lin, G. Bidirectional Two-Sample Mendelian Randomization Analysis Identifies Causal Associations between Gut Microbiome and Sleep-Related Traits. Preprints 2024, 2024021597. https://doi.org/10.20944/preprints202402.1597.v1

Abstract

Recent research has highlighted associations between sleep and microbial taxa and pathways. However, the causal effect of these associations remains unknown. To investigate this, we performed a two-sample bidirectional Mendelian randomization (MR) analysis using summary statistics of genome-wide association studies (GWAS) from 412 gut microbiome traits (N = 7,738) and GWAS studies from seven sleep-associated traits (N = 345,552 to 386577). We employed multiple MR methods to assess causality, with Inverse Variance Weighted (IVW) as the primary method. We further applied Cochran’s Q statistical analysis, MR-Egger intercept, and MR-PRESSO for heterogeneity and pleiotropy assessment, alongside a Bonferroni correction ((P

Keywords

Gut Microbiome; Bacterial Pathways; Sleep-related Traits; Mendelian Randomization; Causal Relationship

Subject

Biology and Life Sciences, Other

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