Quercetin Promotes Abdominal Aortic Aneurysm Regression Through the RAGE/PI3K/AKT/mTOR Axis
文献类型： 外文期刊
作者： Yang, Xin 1 ; Wang, Ying 1 ; Xin, Guangyu 1 ; Li, Jie 1 ; Xu, Lei 1 ; Zhang, Guohua 2 ; Yang, Haotian 2 ;
作者机构： 1.Qiqihar Med Univ, Affiliated Hosp 2, Qiqihar 161006, Peoples R China
2.Heilongjiang Acad Agr Sci, Branch Anim Husb & Vet Branch, Qiqihar, Peoples R China
关键词： quercetin; RAGE; abdominal aortic aneurysm; elastase; RAGE/PI3K/AKT/mTOR
期刊名称：NATURAL PRODUCT COMMUNICATIONS （ 影响因子：1.4； 五年影响因子：1.6 ）
ISSN： 1934-578X
年卷期： 2024 年 19 卷 9 期
页码：
收录情况： SCI
摘要： Objective: Abdominal aortic aneurysms (AAA) are a common critical cardiovascular disease with high morbidity and mortality rates. Quercetin, a flavonoid and a traditional Chinese medicinal ingredient commonly found in vegetables and fruits, has a favorable inhibitory effect on experimental aneurysms without side effects. This study aimed to model elastase AAA and investigate the mechanism of action of quercetin in alleviating AAA. Methods: Quercetin was administered at a dose of 60 mg/kg once daily starting on the day of AAA induction for 5 weeks. The therapeutic effect of quercetin on AAA was demonstrated using biochemical assays, observation of pathological tissue sections, Elastic Van Gieson staining, immunohistochemistry, molecular docking simulations, and Western blot protein validation. Results: Our study showed that quercetin treatment significantly alleviated abdominal aortic vessel wall dilatation, elastin degradation and adhesion to surrounding tissues caused by elastase. Additionally, quercetin significantly inhibited the mRNA and protein expression of the receptor for advanced glycation end products(RAGE)/ phosphatidylinositol 3-kinase (PI3K)/ phosphatidylinositol 3-kinase (AKT) / mammlian target of rapamycin (mTOR) pathway. Conclusion: Quercetin can alleviate abdominal aortic injury caused by elastase via RAGE/PI3K/AKT/mTOR and provide experience in clinical use.
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