Analysis of lncRNA and mRNA expression profiles in peripheral blood leukocytes of the half-smooth tongue sole (Cynoglossus semilaevis) treated with chitosan oligosaccharide

文献类型： 外文期刊

第一作者： Wei, Shu

作者： Wei, Shu;Huang, Lin;Ma, Hui;Qi, Longjiang;Wang, Qian;Sun, Mengjie;Zhang, Xue;Sha, Zhenxia;Chen, Yadong;Sha, Zhenxia;Chen, Yadong

作者机构：

关键词： Cynoglossus semilaevis; Chitosan oligosaccharide; Peripheral blood leukocytes; Expression profile; lncRNA; mRNA

期刊名称：DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY （ 影响因子：3.192； 五年影响因子：3.318 ）

ISSN： 0145-305X

年卷期： 2021 年 120 卷

页码：

收录情况： SCI

摘要： Long noncoding RNAs (lncRNAs) play a multifaceted role in transcriptional regulation and are important regulators of immune function. Scarce information is available regarding lncRNAs in fish. Peripheral blood mononuclear cells participate in the immune response of fish and aid resistance to infection with pathogenic microorganisms. Chitosan oligosaccharide can improve cellular and humoral immunity to enhance disease resistance in fish. In this study, we obtained peripheral blood leukocytes from half-smooth tongue sole and studied the effect of chitosan oligosaccharide on the lncRNA-mRNA expression profile of these cells using highthroughput sequencing and bioinformatics techniques. A total of 609 differentially expressed mRNAs and 50 differentially expressed lncRNAs were identified. The GO term enrichment analysis of the differentially expressed genes was annotated by 220 GO terms, 137 biological processes, 18 cellular components, and 65 molecular functions. Sixteen KEGG pathways, including immune signaling pathways, metabolism, and genetic information processing, were significantly enriched in differentially expressed genes. Thirty-six differentially expressed lncRNAs and 32 differentially expressed mRNAs produced a coexpression network containing 90 relationship pairs. The prediction of lncRNA target genes revealed 244 lncRNAs that potentially cis-regulated 294 differentially expressed mRNAs. qPCR verified that the expression levels of 17 differentially expressed lncRNAs and 15 differentially expressed mRNAs were consistent with the RNA-Seq results. Among them, 6 lncRNAs and 7 mRNAs were differentially expressed genes obtained from the prediction and analysis of lncRNA target genes, and 8 lncRNAs and 4 mRNAs were differentially expressed genes that participated in the construction of the coexpression network. In peripheral blood leukocytes after chitosan oligosaccharide treatment, as well as in peripheral blood and spleen after Vibrio anguillarum stimulation, lncRNAs and mRNAs showed significant differential expression. The results indicated that they may be related to the immune response, providing novel reference information for further research on the role of lncRNAs in immune regulation in half-smooth tongue sole.

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