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在双主动脉疾病中大动脉狭窄症的特定多核剖析

Borja Antequera-González¹, Neus Martínez-Micaelo¹, Carlos Sureda-Barbosa²

¹Group of Cardiovascular Research, Pere Virgili Health Research Institute (IISPV), Universitat Rovira i Virgili, 43204 Reus, Spain.

|February 24, 2024

概括

双大动脉 (BAV) 疾病通过不同的代谢和RNA配置文件加速大动脉狭窄 (AS). 这项多组学研究揭示了线粒体功能障碍和氧化应激是BAV相关AS病理生理学的关键.

科学领域:

心血管研究研究心血管研究
基因组学和代谢学
病理生理学病理生理学

背景情况:

双大动脉 (BAV) 疾病与加速的大动脉退化和大动脉狭窄 (AS) 的高发病率有关.
与三大动脉 (TAV) 患者相比,了解BAV患者中AS的特定病理生理学对于向治疗至关重要.

研究的目的:

为了确定BAV和TAV患者之间AS的明显的病理生理差异.
整合多组学数据 (代谢学,转录学) 与临床数据,以便在BAV疾病中全面描述AS.

主要方法:

使用了多组学方法,包括RNA测序 (RNA-seq) 和质子核磁共振光谱 (1H-NMR) 在18名严重AS患者 (10 BAV,8 TAV) 的大动脉组织上.
临床数据与转录组和代谢组资料相结合.
进行了差异表达分析和功能丰富.

主要成果:

代谢分析显示,与TAV患者相比,AS的BAV患者的代谢形状不同.
转录组分析显示,两组之间的RNA表达差异与线粒体功能障碍有关.
综合的多组学数据表明,线粒体功能障碍和氧化应激是BAV疾病中AS病理生理学的核心.

结论:

在BAV疾病中AS的病理生理学与TAV相关的AS不同,其特征是特定的RNA和代谢特征.
线粒体功能障碍和氧化应激增加被确定为BAV患者AS的关键贡献者.

关键词:

大动脉狭窄症 (大动脉狭窄症)大动脉门的大动脉门脑内皮损伤脑内皮损伤代谢生物组的代谢生物组线粒体功能障碍线粒体功能障碍氧化应激是一种氧化应激.转录组 (transcriptome) 是一个转录组.

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