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Transcriptome sequencing analysis of porcine MDM response to FSL-1 stimulation

文献类型： 外文期刊

作者： Zhou, Lisheng 1 ; Wang, Li 1 ; Zhao, Weimin 1 ; Ren, Shouwen 1 ; Tu, Feng 1 ; Fu, Yanfeng 1 ; Li, Bixia 1 ; Wang, Xuemin; 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Anim Sci, Jiangsu Germplasm Resources Protect & Utilizat Pl, Nanjing 210014, Jiangsu, Peoples R China

2.Minist Agr, Key Lab Crop & Livestock Integrat, Nanjing 210014, Jiangsu, Peoples R China

关键词： Porcine; Mycoplasmas; FSL-1; RNA-Seq; Innate immune; Signaling pathway

期刊名称：MICROBIAL PATHOGENESIS （ 影响因子：3.738； 五年影响因子：3.663 ）

ISSN： 0882-4010

年卷期： 2020 年 138 卷

页码：

收录情况： SCI

摘要： Mycoplasma infection can cause many diseases in pigs, resulting in great economic losses in pork production. Innate immune responses are thought to play critical roles in the pathogenesis of mycoplasma disease. However, the molecular events involved in immune responses remain to be determined. Hence, the object of this study was to use RNA-Seq to investigate the gene expression profiles of the innate immune response mediated by FSL-1 in pig monocyte-derived macrophages (MDMs). The results revealed that 1442 genes were differentially expressed in the FSL-1 group compared with the control groups, of which 777 genes were upregulated and 665 genes were downregulated. KEGG pathway analysis showed that the upregulated genes were mainly involved in innate immune-related pathways including the TNF signaling pathway, cytokine-cytokine receptor interaction, Toll-like receptor signaling pathway, Jak-STAT signaling pathway, chemokine signaling pathway, NOD-like receptor signaling pathway and NF-kappa B signaling pathway. The downregulated genes were only involved in the cGMP-PKG signaling pathway and glycerophospholipid metabolism. Our results showed that FSL-1 stimulation activated the TLR2 signaling pathway and resulted in diverse inflammatory responses. FSL-1 induced the transcription of numerous protein-coding genes involved in a complex network of innate immune-related pathways. We speculate that TNF, IL1B, IL6, NFKB1, NFKBIA, CXCL2, CXCL8, CXCL10, CCL2, CCL4 and CCL5 were the most likely hub genes that play important roles in the above pathways. This study identified the differentially expressed genes and their related signaling pathways, contributing to the comprehensive understanding of the mechanisms underlying host-pathogen interactions during mycoplasma infection and providing a reference model for further studies.

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