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.