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Propamocarb exposure has the potential to accelerate the formation of atherosclerosis in both WT and ApoE-/- mice accompanied by gut microbiota dysbiosis

文献类型： 外文期刊

作者： Jin, Cuiyuan 1 ; Weng, You 1 ; Zhang, Yi 1 ; Bao, Zhiwei 1 ; Yang, Guiling 2 ; Fu, Zhengwei 1 ; Jin, Yuanxiang 1 ;

作者机构： 1.Zhejiang Univ Technol, Coll Biotechnol & Bioengn, Hangzhou 310032, Zhejiang, Peoples R China

2.Zhejiang Acad Agr Sci, Lab Hangzhou Risk Assessment Agr Prod, Inst Qual & Standard Agroprod,Minist Agr, State Key Lab Qual & Safety Agroprod,Key Lab Pest, Hangzhou 310021, Zhejiang, Peoples R China

关键词： Propamocarb; Atherosclerosis; Lipid metabolism; Gut microbiota; ApoE knockout mice

期刊名称：SCIENCE OF THE TOTAL ENVIRONMENT （ 影响因子：10.753； 五年影响因子：10.237 ）

ISSN： 0048-9697

年卷期： 2021 年 800 卷

页码：

收录情况： SCI

摘要： Propamocarb is a systemic carbamate fungicide used to fight diseases. The effect of propamocarb on the formation of atherosclerosis was evaluated in wild-type (WT) and ApoE knockout (ApoE-/-) mice. C57BL/6 J WT mice were fed control diet or high-fat diet (HFD) with 20 mg/L propamocarb in drinking water for 24 weeks. Propamocarb significantly increased the serum levels of triglyceride, cholesterol and low-density lipoprotein cholesterol while decreasing high-density lipoprotein cholesterol. Simultaneously, propamocarb facilitated lipid accumulation in the liver and increased the expression of cholesterol synthesis and transport genes in the liver and ileum. Lipid accumulation was observed in the aortic roots of the propamocarb-treated mice fed HFD, and similar results were also observed with whole aorta staining. In addition, propamocarb exposure significantly increased the mRNA levels of IL-1 beta, TNF-alpha, ICAM-1, and VCAM-1 in the aorta and the serum IL-1 beta, IL-6, and TNF-alpha levels in HFD groups treated with propamocarb. In ApoE-/- mice, the results were consistent with those obtained in WT mice after exposure to 20 mg/L propamocarb for 10 weeks. Meanwhile, propamocarb significantly increased the levels of CD36, NF-Kappa B, VCAM-1 and ICAM-1 proteins in the aortas of ApoE-/- mice. Propamocarb further disrupted cholesterol metabolism and enhanced atherosclerosis and inflammatory responses much more substantially, indicating that propamocarb has the potential to accelerate the formation of atherosclerosis. An analysis of gut microbiota revealed that propamocarb altered the composition of gut microbiota in both WT and ApoE-/- mice. Interestingly, propamocarb increased the abundance of Peptostreptococcaceae, Ruminococcaceae, and Clostridiales_VadinBB60_group, which are related to atherosclerosis at the family level. The abundance of Paeniclostridium, Allobaculum, and Clostridioides, which are closely related to atherosclerosis, was also increased by propamocarb exposure. Our findings indicate that propamocarb exposure may promote atherosclerosis by disrupting lipid metabolism, increasing the inflammatory response, and altering the structure of gut microbiota. (c) 2021 Elsevier B.V. All rights reserved.

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