不同的免疫代谢表型是不良冠状动脉附带循环的基础
Zi-Tong Guo1, Hong-Mei Lai2, Run-Xuan Hu1
1First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China.
Cardiovascular diabetology
|November 19, 2025
概括
心脏病患者的冠状动脉附带循环 (CCC) 较差显示出两种不同的分子表型:补充驱动的血管重塑和免疫血栓性心肌功能障碍. 这一发现有助于个性化风险分层和治疗策略.
科学领域:
- 心脏病学 心脏病学
- 分子生物学分子生物学
- 基因组学就是基因组学.
背景情况:
- 冠状动脉附带循环 (CCC) 对于冠状动脉疾病 (CAD) 中的心肌输液至关重要.
- 贫困CCC的分子基础仍然不太了解.
- 了解CCC异质性对于改善患者的治疗结果至关重要.
研究的目的:
- 在CCC较差的患者中识别出不同的分子表型.
- 使用临床数据验证这些表型,并评估其预后价值.
- 评估个性化治疗策略的潜力.
主要方法:
- 149名患者的蛋白质基因分析 (69名患者的CCC较差).
- 无监督的聚类用于识别贫困CCC中的分子亚型.
- 机器学习 (XGBoost) 用于临床数据建模和SHAP值解释.
- 使用MIMIC数据库和MACE的生存分析进行外部验证.
主要成果:
- 确定了两个表型:补充驱动的血管改造 (CDVR) 和免疫血栓性心肌功能障碍 (ITMD).
- 一个使用快餐葡萄糖,乙氨基酸百分比和HbA1c的XGBoost模型实现了高分辨率 (AUC > 0.91).
- ITMD表型显示显著更高的MACE发病率和上调的血小板激活,糖尿病心肌病和代谢途径.
结论:
- 较差的CCC的特点是显著的免疫代谢表型.
- 综合蛋白质学-临床建模准确地分类了这些表型.
- 这种分类改善了风险分层,并可以指导CAD患者的个性化治疗,而CAD患者的担保不足.
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