尿和脉冲波速度:非洲PREDICT研究
Dalene de Beer1, Catharina Mc Mels1,2, Aletta E Schutte1,2,3
1Hypertension in Africa Research Team (HART),North-West University (Potchefstroom Campus), Potchefstroom 2531, South Africa.
Journal of proteome research
|September 9, 2023
概括
尿类型I酸与年轻成年人的动脉硬度增加有关. 这一发现表明,原蛋白失调可能会导致早期血管衰老和心血管疾病风险.
科学领域:
- 心血管研究的心血管研究.
- 蛋白质组学是指蛋白质组学.
- 血管的衰老 血管的衰老
背景情况:
- 动脉硬度增加是早期血管衰老的标志,也是心血管疾病的预测因素.
- 基础的动脉硬的分子机制,特别是在蛋白质层面,尚不清楚.
研究的目的:
- 为了研究脉冲波速度之间的关联,这是动脉硬度的衡量标准,以及尿路蛋白质组学.
- 探索与早期血管衰老相关的潜在蛋白质标记物.
主要方法:
- 在919名健康的年轻成年人 (20-30岁) 中使用毛细管电泳飞行时间质谱分析尿蛋白质组.
- 测量动脉-股骨脉冲波速,以评估动脉硬度.
- 统计分析,包括多变量调整模型,以确定独立的协会.
主要成果:
- 脉冲波速度与几个原蛋白衍生的 (I,II,III,IV,V,IX类型) 呈正相关,与原蛋白类型XI呈反相关.
- 观察到与聚合性免疫球蛋白受体的正相关性.
- 多变量分析揭示了脉冲波速度与七种尿路之间存在独立的关联,特别是来自 I 型原蛋白的.
结论:
- 从I型尿原蛋白衍生而来的显著且独立地与增加的动脉硬性有关.
- 细胞外基质中的I型原蛋白的失调可能会导致动脉硬的早期发作.
- 泌尿蛋白质学可能会提供有关血管衰老的分子途径的见解.
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