循环氨基酸签名的特征是与冠状动脉疾病相关的尿素循环改变
Luisa Prechtl1, Justin Carrard2, Hector Gallart-Ayala3
1School of Cardiovascular and Metabolic Health, University of Glasgow, 126 University Place, Glasgow, G12 8TA, Scotland.
Scientific reports
|October 29, 2024
概括
尿素循环氨基酸的较低水平与冠状动脉疾病 (CAD) 有关. 这一发现表明,氨基酸分析可以改善心血管风险分层,以获得更好的患者结果.
科学领域:
- 生物化学 生物化学
- 心血管医学 心血管医学
- 代谢学 代谢学 代谢学
背景情况:
- 冠状动脉疾病 (CAD) 是一个主要的全球健康问题,需要改进风险评估策略.
- 氨基酸的作用,生物活性代谢物,在CAD的病原发生还不清楚.
研究的目的:
- 调查循环氨基酸水平与CAD之间的关联,包括疾病状态和严重程度.
- 探索氨基酸配置文件对于心血管风险分层的潜力.
主要方法:
- 量化液体染色学-质谱学用于在患有CAD的患者和健康对照中分析血清氨基酸.
- 多重线性回归分析了氨基酸和CAD表型之间的关联,并根据相关的共变量进行调整.
主要成果:
- 尿素循环氨基酸 (甲基氨酸,氨酸,同氨酸,酸盐,氨酸) 与CAD,受影响动脉的数量和左心室射出分数的减少有负相关性.
- 氨酸,氨酸和谷氨酸/谷氨酸比率也显示出与CAD表型的负相关性.
- 与对照组相比,患有CAD的患者表现出较低的尿素循环氨基酸水平.
结论:
- 循环中的氨基酸水平,特别是尿素循环代谢物,与CAD的存在和严重程度有关.
- 氨基酸分析可能为提高临床实践中的心血管风险分层提供一种新的方法.
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