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Updated: May 5, 2026
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Electrolytic Inferior Vena Cava Model EIM of Venous Thrombosis
Published on: July 12, 2011
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Causal Relationship Between Immune Cells and Venous Thromboembolism: A Bidirectional Two-Sample Mendelian
Qiwen Su1,2, Yue Li1,2, Cheng Wen1,2
1School of Clinical Medicine, North Sichuan Medical College, Nanchong, People's Republic of China.
Vascular Health and Risk Management
|March 31, 2025
Summary
This study used Mendelian randomization to investigate immune cells and venous thromboembolism (VTE). Eighteen immune cell signatures were linked to VTE risk, with some protective and others increasing risk.
Area of Science:
- Immunology
- Genetics
- Thrombosis
Background:
- Numerous immune cells are implicated in venous thromboembolism (VTE) development.
- The precise causal relationship between immune cell profiles and VTE remains unclear.
Purpose of the Study:
- To investigate the causal associations between immune cell signatures and VTE risk.
- To explore potential bidirectional causal relationships between immune cells and VTE.
Main Methods:
- A bidirectional two-sample Mendelian randomization (MR) study was performed.
- Genetic data for 731 immune cell signatures (including median fluorescence intensities, relative/absolute cell counts, and morphological parameters) were analyzed.
- Inverse variance-weighted (IVW) method was the primary analysis, with sensitivity analyses and reverse MR to ensure robustness.
Main Results:
- Eighteen immune cell signatures showed significant associations with VTE.
- Specific immune cell phenotypes, such as CD14 expression on CD14+ CD16+ monocytes, were identified as protective.
- Other phenotypes, like HLA DR+ T cells among lymphocytes, were associated with increased VTE risk.
Conclusions:
- The study identified 18 immune cell signatures potentially influencing VTE development.
- These findings offer novel insights for future mechanistic and clinical investigations into VTE.
- Prospective validation of these results is warranted.
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