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在动脉样硬化中,ADAMTS7促进了光滑肌肉泡细胞的扩张

Allen Chung¹, Lauren E Fries¹, Hyun-Kyung Chang¹

¹Cardiometabolic Genomics Program, Division of Cardiology, Department of Med, Columbia University, New York, United States of America.

The Journal of clinical investigation

|January 29, 2026

概括

通过增加光滑肌肉细胞泡细胞的形成,ADAMTS7促进动脉样硬化. 这通过AP-1/PU.1/CD36途径发生,突出了心血管疾病发展中的新机制.

科学领域:

心血管生物学心血管生物学
分子医学是分子医学.
遗传学是一个遗传学.

背景情况:

人类遗传研究将ADAMTS7与动脉样硬化心血管疾病联系起来.
在小鼠中,ADAMTS7是益风性,由血管损伤引起的.
细胞特异性的ADAMTS7益动原性机制尚不清楚.

研究的目的:

确定表达ADAMTS7.7的血管细胞类型.
确定ADAMTS7在动脉样硬化中的作用.
阐明ADAMTS7驱动动动脉硬化的分子机制.

主要方法:

单细胞RNA测序人类大脑动脉动脉样硬化.
特定于SMC和EC的Adamts7条件淘汰和转基因小鼠.
在SMC中进行RNA测序,ATAC-seq和基因分析.

主要成果:

ADAMTS7在人体血管SMC,EC和纤维细胞中表达.
特定于SMC或EC的Adamts7淘汰赛并没有减少动脉样硬化.
在SMC或EC中转基因诱导Adamts7增加了动脉样硬化.
ADAMTS7促进SMC泡细胞的形成,并减少纤维帽的形成.
ADAMTS7通过CD36调节SMC脂质的吸收,由AP-1/PU.1轴驱动.

结论:

通过推动SMC泡细胞的形成,ADAMTS7促进动脉样硬化.
AP-1/PU.1/CD36监管轴是一个关键机制.
准这种途径可能为心血管疾病提供新的治疗策略.

关键词:

动脉样硬化是一种动脉样硬化.心脏病学心脏病学血管生物学血管生物学

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