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Identification of differentially expressed miRNAs in the fatty liver of Landes goose (Anser anser)

文献类型： 外文期刊

作者： Chen, Fang 1 ; Zhang, Hao 1 ; Li, Jinjun 3 ; Tian, Yong; Xu, Jing; Chen, Li; Wei, Jintao 1 ; Zhao, Na 1 ; Yang, Xue 1 ;

作者机构： 1.Hubei Acad Agr Sci, Hubei Key Lab Anim Embryo Engn & Mol Breeding, Inst Anim Husb & Vet Sci, Wuhan 430064, Hubei, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Anim Husb & Vet Sci, Hangzhou 310021, Zhejiang, Peoples R China

3.Zhejiang Acad Agr Sci, Inst Anim Husb & Vet Sci, Han

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）

ISSN： 2045-2322

年卷期： 2017 年 7 卷

页码：

收录情况： SCI

摘要： Unlike mammals, in palmipedes de novo lipogenesis from diet takes place mostly in the liver. The French Landes Goose is famous for its high capacity and susceptibility to fatty liver production. While miRNAs play a critical role in the posttranscriptional regulation of gene expression, miRNAs that are involved in the regulation of goose hepatic steatosis have yet to be elucidated. Using high-throughput sequencing, we analyzed miRNAs expression profile of Landes goose liver after overfeeding for 21 days. Aan-miR-122-5p was the most frequently sequenced known miRNA, but it was unchanged after overfeeding. Compared with normal liver, we identified that 16 conserved miRNAs were up-regulated while the other 9 conserved miRNAs were down-regulated in fatty livers. Many of their predicted target genes played key roles in metabolic pathways leading to the development of hepatic steatosis in the goose by KEGG pathways analysis. ACSL1 and ELOVL6 were critical genes in hepatic lipid metabolism and had opposite expression patterns with aan-miR-203a and aan-miR-125b-5p, respectively. And we validated that aan-miR-203a and aan-miR-125b-5p might involve in the regulation of hepatic lipid metabolism by targeting ACSL1 and ELOVL6, respectively. These results add to our current understanding of the regulation network in goose lipid metabolism.

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