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Open Access 01-12-2024 | Research

Causal effect of gut microbiota on venous thromboembolism: a two-sample mendelian randomization study

Authors: Linfeng Xi, Hongyi Wang, Jie Du, Anqi Liu, Jianping Wang, Yifei Ni, Shuai Zhang, Wanmu Xie, Min Liu, Chen Wang

Published in: Thrombosis Journal | Issue 1/2024

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Abstract

Background

The gut microbiota of venous thromboembolism (VTE) patients exhibited significant alterations. However, the causal relationship between gut microbiota and VTE has not been fully understood. This study aimed to assess the causal relationship between gut microbiota and the risk of VTE using a two-sample Mendelian Randomization (MR) study.

Methods

The gut microbiota and VTE genetic data were collected from the MiBioGen consortium and the UK biobank, respectively. The potential causal relationship between gut microbiota and VTE was investigated using a two-sample MR analysis, including inverse variance weighted (IVW), weighted median, MR-Egger, simple mode, and weighted mode methods. Cochran’s Q-test, MR-PRESSO, and MR-Egger regression intercept analysis were utilized to perform sensitivity analysis.

Results

At the genus level, the results of MR analysis found that Coprococcus1 (OR: 1.0029, 95% CI: 1.0005–1.0054, p = 0.0202) was suggestively linked with an increased risk of VTE, while Slackia (odds ratio (OR): 0.9977, 95% confidence interval (CI): 0.9957–0.9998, p = 0.0298), Butyricicoccus (OR: 0.9971, 95% CI: 0.9945–0.9997, p = 0.0309), Eubacterium coprostanoligenes group (OR: 0.9972, 95% CI: 0.9946–0.9999, p = 0.0445), and Bacteroides (OR: 0.9964, 95% CI: 0.9932–0.9995, p = 0.0234) were suggestively associated with a reduced risk of VTE. No heterogeneity and horizontal pleiotropy was detected.

Conclusion

This study found that there were potential causal relationships between five gut microbiota and VTE. Our findings may provide new insights into the mechanisms of VTE.
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Metadata
Title
Causal effect of gut microbiota on venous thromboembolism: a two-sample mendelian randomization study
Authors
Linfeng Xi
Hongyi Wang
Jie Du
Anqi Liu
Jianping Wang
Yifei Ni
Shuai Zhang
Wanmu Xie
Min Liu
Chen Wang
Publication date
01-12-2024
Publisher
BioMed Central
Published in
Thrombosis Journal / Issue 1/2024
Electronic ISSN: 1477-9560
DOI
https://doi.org/10.1186/s12959-024-00676-7

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