Comprehensive analysis of lipid metabolism in influenza virus infection

文献类型： 外文期刊

第一作者： Chen, Xiaoyong

作者： Chen, Xiaoyong;Wang, Shuaiwei;Gan, Peiling;Liu, Suzhen;Chen, Xiaoyong;Tong, Guangzhi;Zhang, Jianlong

作者机构：

关键词： Influenza virus; Lipid metabolites; Metabolic pathways

期刊名称：MICROBIAL PATHOGENESIS （ 影响因子：3.8； 五年影响因子：4.0 ）

ISSN： 0882-4010

年卷期： 2023 年 175 卷

页码：

收录情况： SCI

摘要： Influenza A virus (IAV) exploits host metabolic pathways to support its replication. To improve the understanding of lipid metabolic changes that could occur upon IAV infection, a comprehensive analysis of lipid metabolites in A549 cells infected with the avian H9N2 virus at the different time points was performed. It was found that H9N2 infection could largely promote the level of lipid metabolites. Further, these metabolites were mainly included in glycerophospholipids (GPs), sphingolipids (SPs), glycerolipids (GLs), fatty acids (FAs), sterollipids (STs), triglycerides (TGs), and prenol lipids (PRs). Specifically, Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis showed that these metabolites were mainly associated with the glycerphospholipid metabolism, glycosylphosphatidylinositol (GPI)-anchor biosynthesis, and autophagy. Furthermore, it is interesting to note that these metabolites, including FFA(19:1), PE(P-17:0_20:3), PE(P-18:1_20:2), LPC(14:0/0:0), PE (O-18:0_20:3), and MGDG(16:0_18:1), are upregulated and shared in the top 10 at 12 h, 24 h, 36 h, and 48 h after H9N2 infection, indicative of the possibility of acting as biomarkers for the diagnosis in the lung infected with influenza virus. These pathways and altered metabolites could provide new understandings about biological characteristics and pathogenicity of influenza virus and have the potential to serve as biomarkers for influenza.

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