HDAC1 promotes artery injury through activation of VAV3 by binding to miR-182-5p in atherosclerotic mice model.

Cellular Signalling
Yanxia GaoXiaoyan Dang

Abstract

Atherosclerosis (AS) is one of the significant chronic inflammatory pathology considering public health impact. Up-regulation of HDAC1 has been proved to be related with endothelial dysfunction which is correlated intimately with AS. Our research aims to investigate how histone deacetylase 1 (HDAC1)/miR-182-5p/vav guanine nucleotide exchange factor 3 (VAV3)/AKT axis participates in AS in terms of molecular mechanism. We detected miR-181-5p in human umbilical vein endothelial cells after treatment with aorta and ox-LDL in AS model mice. Dual luciferase reporter assay was employed to verify interaction of miR-182-5p and VAV3. ChIP was performed to determine the relationship between HDAC1 and promoter of miR-182-5p. Protein levels of HADC1, VAV3, AKT, p-AKT, vascular cell adhesion molecule-1 (VCAM-1), intercellular cell adhesion molecule-1 (ICAM-1), and monocyte chemotactic protein 1 (MCP-1) were detected by western blot analysis. CCK8 and flow cytometry were used to detect cell viability and apoptosis, respectively. After different treatments, the ability of cells to form monoclonal cells was detected, and AS was evaluated by detecting arterial injury and inflammation-related factors. Overexpression of HDAC1 could inhibit HUVECs ...Continue Reading

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