Yangxia Zhang, Yingke Li, Zhisheng Han, Qingyang Huo, Longkai Ji, Xuejia Liu, Han Li, Xinxing Zhu, Zhipeng Hao
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miR-328-5p functions as a critical negative regulator in early endothelial inflammation and advanced atherosclerosis.
Early proatherogenic inflammation constitutes a significant risk factor for atherogenesis development. Despite this, the precise molecular mechanisms driving this pathological progression largely remain elusive. Our study unveils a pivotal role for the microRNA miR-328-5p in dampening endothelial inflammation by modulating the stability of JUNB (JunB proto-oncogene). Perturbation of miR-328-5p levels results in heightened monocyte adhesion to endothelial cells and enhanced transendothelial migration, while its overexpression mitigates these inflammatory processes. Furthermore, miR-328-5p hinders macrophage polarization toward the pro-inflammatory M1 phenotype, and exerts a negative influence on atherosclerotic plaque formation in vivo. By pinpointing JUNB as a direct miR-328-5p target, our research underscores the potential of miR-328-5p as a therapeutic target for inflammatory atherosclerosis. Reintroduction of JUNB effectively counteracts the anti-atherosclerotic effects of miR-328-5p, highlighting the promise of pharmacological miR-328-5p targeting in managing inflammatory atherosclerosis. [BMB Reports 2024; 57(8): 375-380].
期刊介绍:
The BMB Reports (BMB Rep, established in 1968) is published at the end of every month by Korean Society for Biochemistry and Molecular Biology. Copyright is reserved by the Society. The journal publishes short articles and mini reviews. We expect that the BMB Reports will deliver the new scientific findings and knowledge to our readers in fast and timely manner.