与艾滋病毒相关的冠状动脉内皮功能障碍中的代谢和回氧途径失调:对早期艾滋病毒血管功能障碍的洞察
Kshipra S Keole1, Syed Bukhari1, Anum Minhas1
1Division of Cardiology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
bioRxiv : the preprint server for biology
|December 12, 2025
概括
接受抗逆转录病毒治疗的艾滋病毒感染者经历了较高的冠状动脉内皮功能障碍率. 这种功能障碍与代谢和氧化还原失衡有关,这表明了降低心血管风险的新治疗点.
科学领域:
- 心血管疾病的研究研究.
- 艾滋病毒/艾滋病研究研究
- 蛋白质学和代谢学.
背景情况:
- 接受抗逆转录病毒治疗 (ART) 的艾滋病毒感染者 (PWH) 面临心血管疾病 (CVD) 风险升高.
- 冠状动脉内皮功能障碍在PWH中很常见,但其潜在机制尚不清楚.
研究的目的:
- 调查冠状动脉内皮功能障碍在病毒抑制PWH的生物学基础.
- 为了确定潜在的治疗目标,以减轻这一群体中的心血管疾病风险.
主要方法:
- 在45个PWH和29个对照中结合冠状动脉MRI和血清蛋白质组的横截面研究.
- 在手握运动期间通过MRI评估冠状动脉内皮功能.
- 使用 SomaScan 7K 平台和差异表达分析进行血清蛋白质组分析.
主要成果:
- 冠状动脉内皮功能障碍在PWH (67%) 与对照组 (10%) 相比,明显更为普遍.
- 途径分析显示,在内皮功能障碍的个体中,谷氨排毒,氧化代谢和脂肪酸β-氧化失调.
结论:
- 在ART治疗中PWH的内皮功能障碍与代谢和氧化还原失衡有关.
- 谷氨和脂肪酸氧化途径是减少PWH心血管风险的潜在治疗点.
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