Profiling and functional analysis of differentially expressed circular RNAs identified in foot-and-mouth disease virus infected PK-15 cells

文献类型： 外文期刊

第一作者： Yang, JinKe

作者： Yang, JinKe;Yang, Bo;Wang, Yong;Zhang, Ting;Hao, Yu;Cui, HuiMei;Zhao, DengShuai;Yuan, XingGuo;Chen, XueHui;Shen, ChaoChao;Yan, WenQian;Zheng, HaiXue;Zhang, KeShan;Liu, Xiangtao

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关键词： FMDV; RNA-Seq; PK-15 cells; circRNA; differential expression; analysis

期刊名称：VETERINARY RESEARCH （ 影响因子：3.829； 五年影响因子：4.269 ）

ISSN： 0928-4249

年卷期： 2022 年 53 卷 1 期

页码：

收录情况： SCI

摘要： Circular RNAs (circRNAs) are a new type of endogenous noncoding RNA that exhibit a variety of biological functions. However, it is not clear whether they are involved in foot-and-mouth disease virus (FMDV) infection and host response. In this study, we established circRNA expression profiles in FMDV-infected PK-15 cells using RNA-seq (RNA-sequencing) technology analysis. The biological function of the differentially expressed circRNAs was determined by protein interaction network, Gene Ontology (GO), and Kyoto Encyclopedia of Gene and Genome (KEGG) pathway enrichment. We found 1100 differentially expressed circRNAs (675 downregulated and 425 upregulated) which were involved in various biological processes such as protein ubiquitination modification, cell cycle regulation, RNA transport, and autophagy. We also found that circRNAs identified after FMDV infection may be involved in the host cell immune response. RNA-Seq results were validated by circRNAs qRT-PCR. In this study, we analyzed for the first time circRNAs expression profile and the biological function of these genes after FMDV infection of host cells. The results provide new insights into the interactions between FMDV and host cells.

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