(Wall.) Seem Improves Intimal Hyperplasia After Vascular Injury by Downregulating the Wnt3/Dvl-1/-Catenin Pathway

Overview

Journal Biomed Res Int

Publisher Wiley

Specialties Biomedical Engineering
Biotechnology
General Medicine

Date 2021 Aug 2

PMID 34337044

Authors

Xiangpei Zhao

Jinchang Huang

Zhenyu Mo

Jiangcun Wei

Chuanmei Zhong

Hongli Teng

Affiliations

Soon will be listed here.

Abstract

The aim of the study is to examine the mechanism of (Wall.) Seem (AAS) in improving intimal hyperplasia after vascular injury in rats. Rats with femoral artery injury were randomly divided into three groups: the model group, AAS low-dose group (40 mg/kg), and AAS high-dose group (80 mg/kg). The sham operation group was used as a control group. HE staining was used to observe the changes in femoral artery vessels. Immunohistochemistry was adopted to detect -SMA, PCNA, GSK-3, and -catenin proteins in femoral artery tissue. The CCK-8 test and wound healing assay were employed to analyze the effect of AAS on proliferation and migration of vascular smooth muscle cells (VSMCs) cultured . Western blotting (WB) and polymerase chain reaction (PCR) assays were used to evaluate the molecular mechanism. AAS reduced the stenosis of blood vessels and the protein expressions of -SMA, PCNA, GSK-3, and -catenin compared to the model group. In addition, AAS (0-15 g/mL) effectively inhibited the proliferation and migration of VSMCs. Moreover, the results of WB and PCR showed that AAS could inhibit the activation of -catenin induced by 15% FBS and significantly decrease the expression levels of Wnt3, Dvl-1, GSK-3, -catenin, and cyclin D1 in the upstream and downstream of the pathway. AAS could effectively inhibit the proliferation and migration of neointima after vascular injury in rats by regulating the Wnt/-catenin signaling pathway.

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