Differential regulation of mRNAs and lncRNAs related to lipid metabolism in two pig breeds

文献类型: 外文期刊

第一作者: Huang, Wanlong

作者: Huang, Wanlong;Zhang, Xiuxiu;Li, Ai;Xie, Lingli;Miao, Xiangyang

作者机构:

关键词: lncRNA;subcutaneous adipose tissue;fat deposition;pig;RNA-seq

期刊名称:ONCOTARGET ( 影响因子:5.168; 五年影响因子:5.312 )

ISSN: 1949-2553

年卷期: 2017 年 8 卷 50 期

页码:

收录情况: SCI

摘要: Long non-coding RNAs (lncRNAs) can regulate lipid metabolism and adipogenesis. However, there is little research on the role of lncRNAs in fat deposition in pig. In this study, RNA-seq technology was used to analyze the gene expression profiles of subcutaneous adipose tissue in Laiwu (LW) and Large White (LY) pigs. Then, key lncRNAs and genes associated with lipid metabolism and adipogenic differentiation were identified. Fifty four lncRNAs and 482 known mRNAs were differentially expressed in the two pig breeds. GO (Gene Ontology) and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway analyses revealed that differentially expressed genes and the target genes of differentially expressed lncRNAs were significantly enriched in PPAR signaling pathway and biological processes including fat cell differentiation and fatty acid metabolism. Key lncRNAs might regulate adipogenic differentiation and fatty acid metabolism by regulating genes involved in above signaling pathway and biological processes. Specifically, XLOC_014379, XLOC_011279, XLOC_064871, XLOC_019518 and XLOC_013639 might target SCD, LPIN1, TRIB3, EGR2 and FABP3, respectively, and then play critical regulatory role. These results are useful for understanding fat deposition in pig, breeding livestock with high quality meat, and preventing and treating lipid metabolic disease.

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