Combined microRNAome and transcriptome analysis of follicular phase and luteal phase in porcine ovaries

文献类型： 外文期刊

第一作者： Zhang, Xiaodong

作者： Zhang, Xiaodong;Zhang, Liang;Shang, Jinnan;Tao, Qiangqiang;Tian, Mi;Ma, Yingchun;Xu, Yiliang;Ding, Yueyun;Li, Kui;Yin, Zongjun;Zhang, Xiaodong;Zhang, Liang;Shang, Jinnan;Tao, Qiangqiang;Tian, Mi;Ma, Yingchun;Xu, Yiliang;Ding, Yueyun;Yin, Zongjun;Zhou, Rong;Li, Kui

作者机构：

关键词： follicular phase; luteal phase; miRNA; mRNA; porcine ovaries

期刊名称：REPRODUCTION IN DOMESTIC ANIMALS （ 影响因子：2.005； 五年影响因子：2.154 ）

ISSN： 0936-6768

年卷期： 2019 年 54 卷 7 期

页码：

收录情况： SCI

摘要： The aim of this study was to explore the expression difference of miRNAs and mRNAs between the follicular phase (FP) and luteal phase (LP) in porcine ovaries and provide a theoretical basis for the research on mammalian reproductive regulation. RNA-Seq and miRNA-Seq were used to identify differentially expressed genes (DEGs) and miRNAs (DEMs) between the FP and LP in ovaries of six sows (3-year-old Yorkshire pigs with similar weights and same parities). Bioinformatic analysis was used to screen potential genes and miRNAs related to porcine ovarian function. Real-time qualitative PCR was used to validate the sequencing results. RNA-Seq results showed that 3,078 genes were up-regulated, and 1,444 genes were down-regulated in the LP compared with the FP, and DEGs were significantly enriched in 242 Gene Ontology (GO) terms and 33 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. miRNA-Seq identified 112 DEMs, of which 25 were up-regulated and 87 were down-regulated in the LP compared with the FP. We obtained 186 intersection genes (IGs) between the 4,522 DEGs and 2,444 target genes predicted from the 112 DEMs. After constructing a miRNA-gene-pathway network, we identified key miRNAs and genes including miR-17-3p, miR-214, miR-221-5p, miR-125b, FGF1, YWHAG, YWHAZ, FDFT1 and DHCR24, which are enriched in Hippo and PI3K-Akt signalling pathways, and various metabolic pathways. These results indicate that these key genes and miRNAs may play important roles in the developmental transition from FP to LP in porcine ovaries and represent candidate targets for further study.

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