肠道微生物群,血代谢物和静脉血栓栓塞:孟德尔的随机化研究
Peng-Fei Cheng1,2, Jin-Xi Wang3, Ju-Shan Wu4,5
1Department of General Surgery Center, Beijing YouAn Hospital, Capital Medical University, Beijing Institute of Hepatology, Beijing, China.
AMB Express
|June 20, 2025
概括
肠道微生物群影响静脉血栓栓塞 (VTE),包括深静脉血栓塞 (DVT) 和肺栓塞 (PE). 特定的肠道细菌和代谢物因果关系影响VTE风险,提供新的诊断途径.
科学领域:
- 遗传学和微生物学
- 心血管研究研究心血管研究
- 代谢学 代谢学 代谢学
背景情况:
- 肠道微生物群 (GM) 越来越多地与静脉血栓栓塞 (VTE) 相关,包括深静脉血栓塞 (DVT) 和肺栓塞 (PE).
- 然而,转基因和VTE之间的直接因果关系在很大程度上仍未得到阐明.
研究的目的:
- 研究肠道微生物种群和血代谢物对VTE,DVT和PE的因果关系.
- 探索代谢物在GM-VTE轴中的潜在介导作用.
主要方法:
- 采用双样本的门德尔随机化 (MR),使用211个转基因种类和489个血代谢物的遗传变异.
- 利用调解和途径分析来确定影响VTE的转基因代谢物相互作用.
- 进行反向MRI以评估因血栓形成而导致的转基因变化.
主要成果:
- 确定了16种转基因分类物与VTE/DVT/PE有因果关联,包括保护性 (如Firmicutes,Clostridia) 和增加风险 (如Bacteroidetes,Desulfovibrionaceae) 的分类物.
- 发现了40种与VTE/DVT/PE有因果关系的血代谢物.
- 揭示了10个代谢物介导的途径 (例如,阿尔金因生物合成),将转基因连接到血栓形成;反向MR确定了11个转基因变异后的血栓形成.
结论:
- 肠道微生物群的组成和特定的代谢物对VTE的发展产生因果关系.
- 转基因代谢物相互作用是VTE风险分层和预后生物标志物的有希望的目标.
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