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Article Publish Status: FREE
Abstract Title:

Astragaloside IV Attenuated 3,4-Benzopyrene-Induced Abdominal Aortic Aneurysm by Ameliorating Macrophage-Mediated Inflammation.

Abstract Source:

Front Pharmacol. 2018 ;9:496. Epub 2018 May 22. PMID: 29872394

Abstract Author(s):

Jiaoni Wang, Yingying Zhou, Shaoze Wu, Kaiyu Huang, Saroj Thapa, Luyuan Tao, Jie Wang, Yigen Shen, Jinsheng Wang, Yangjing Xue, Kangting Ji

Article Affiliation:

Jiaoni Wang

Abstract:

: Abdominal aortic aneurysm (AAA), characterized by macrophage infiltration-mediated inflammation and oxidative stress, is a potentially fatal disease. Astragaloside IV (AS-IV) has been acknowledged to exhibit antioxidant and anti-inflammatory properties. This study was designed to investigate the protective effect of AS-IV against AAA formation induced by 3,4-benzopyrene (Bap) and angiotensin II (Ang II), and to explore probable mechanisms. Results showed that AS-IV decreased AAA formation, and reduced macrophage infiltration and expression of matrix metalloproteinase. Furthermore, AS-IV abrogated Bap-/Ang II-induced NF-κB activation and oxidative stress., AS-IV inhibition of macrophage activation and NF-κB was correlated with increased phosphorylation of phosphatidylinositol 3-kinase (PI3-K)/AKT. Together, our findings suggest that AS-IV has potential as an intervention in the formation of AAA.

Highlights: (1)The protective effect of Astragaloside IV (AS-IV) on abdominal aortic aneurysm (AAA) is associated with its suppressing effects on inflammation in the aortic wall.(2)AS-IV abrogated 3,4-benzopyrene (Bap)/angiotensin II (Ang II)-induced nuclear factor-κB (NF-κB) activation and oxidative stress.(3)AS-IV inhibited Bap-induced RAW264.7 macrophage cells activation by inhibiting oxidative stress and NF-κB activation through phosphatidylinositol 3-kinase (PI3-K)/AKT pathway.AS-IV is a potential preventive agent for cigarette smoking-related AAA.

Study Type : Animal Study

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