AI Article Synopsis
- Xin-tong-tai Granule (XTTG) is a traditional Chinese medicine that has been shown to help treat atherosclerosis (AS), primarily through its effects on oxidative stress.
- The study used ApoE mice on a high-fat diet and Human Aortic Vascular Smooth Muscle Cells (HAVSMCs) to evaluate how XTTG impacts blood lipid levels and oxidative stress indicators.
- Results showed that XTTG improved lipid levels, reduced oxidative stress markers, and inhibited cell proliferation by targeting the NOX/ROS/NF-κB signaling pathway, suggesting its potential as a treatment for AS.
Article Abstract
Background: Xin-tong-tai Granule (XTTG), a traditional Chinese medicine, has been used to treat atherosclerosis (AS), but its mechanism is poorly understood. Intriguingly, oxidative stress has been recognized as vital factors in the treatment of atherosclerosis.
Purpose: This study aims to explore the potential mechanism of XTTG for treating AS.
Methods: An in-vivo model of AS was established by feeding ApoE mice with a high-fat diet (HFD), and the Human Aortic Vascular Smooth Muscle Cells (HAVSMCs) were induced by oxidized low-density lipoprotein (ox-LDL) in vitro. After treatment, the blood lipid levels and pathological aortic changes of each group were observed, and the cell proliferation and lipid droplet aggregation in each group were evaluated. The oxidative stress indicators such as malondialdehyde (MDA) and superoxide dismutase (SOD) levels and related NOX/ROS/NF-κB signaling pathway indicators were observed.
Results: XTTG improved blood lipid levels and pathological aortic changes of ApoE mice with HFD feeding, inhibited HAVSMCs proliferation and lipid droplet aggregation induced by ox-LDL, reduced MDA content, increased SOD content, inhibited NOX4 and p22phox protein expression, downregulated ROS content, inhibited IKK-α, IKK-β, NF-κB protein and mRNA expression and the phosphorylation of NF-κB.
Conclusion: XTTG can inhibit NOX/ROS/NF-κB signaling pathway, reduce damages caused by oxidative stress, and exert anti-AS effects.
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| http://dx.doi.org/10.1016/j.biopha.2023.115200 | DOI Listing |
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