AI Article Synopsis
- Long non-coding RNAs (lncRNAs) play crucial roles in reproductive functions, yet their role in the sheep adrenal gland remains largely unexplored.
- RNA sequencing showed significant differences in lncRNA and gene expression between luteal and follicular phases in two sheep breeds, identified as FecB (MM) and FecB (WW).
- Key lncRNAs were found to regulate reproductive-related signaling pathways, shedding light on their potential impact on sheep reproduction and enhancing our understanding of their functions in the adrenal gland.
Article Abstract
Background: Long non-coding RNAs (lncRNAs) can play important roles in uterine and ovarian functions. However, little researches have been done on the role of lncRNAs in the adrenal gland of sheep. Herein, RNA sequencing was used to compare and analyze gene expressions in adrenal tissues between follicular phases and luteal phases in FecB (MM) and FecB (WW) sheep, respectively, and differentially expressed lncRNAs and genes associated with reproduction were identified.
Results: In MM sheep, 38 lncRNAs and 545 mRNAs were differentially expressed in the adrenal gland between the luteal and follicular phases; In WW sheep, 513 differentially expressed lncRNAs and 2481 mRNAs were identified. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analyses indicated that differentially expressed lncRNAs and their target genes are mainly involved in the circadian rhythm, the mitogen activated protein kinase, thyroid, ovarian steroidogenesis and transforming growth factor beta signaling pathways. Differentially expressed lncRNAs can regulate reproduction by modulating genes involved in these signaling pathways and biological processes. Specifically, XLOC_254761, XLOC_357966, 105,614,839 and XLOC_212877 targeting CREB1, PER3, SMAD1 and TGFBR2, respectively, appear to play key regulatory roles.
Conclusion: These results broaden our understanding of lncRNAs in adrenal gland of sheep and provide new insights into the molecular mechanisms underlying sheep reproduction.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7137433 | PMC |
| http://dx.doi.org/10.1186/s12863-020-00850-6 | DOI Listing |
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