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Profiling of miRNAs in porcine Sertoli cells

Article scientifique 2020 Anglais

Résumé

Abstract Background Sertoli cells (SCs) create a specialized environment to support and dictate spermatogenesis. MicroRNAs (miRNAs), a kind of ~ 22 nt small noncoding RNAs, have been reported to be highly abundant in mouse SCs and play critical roles in spermatogenesis. However, the miRNAs of porcine SCs remain largely unknown. Methods We isolated porcine SCs and conducted small RNA sequencing. By comparing miRNAs in germ cells, we systematically analyzed the miRNA expression pattern of porcine SCs. We screened the highly enriched SC miRNAs and predicted their functions by Gene Ontology analysis. The dual luciferase assay was used to elucidate the regulation of tumor necrosis factor receptor (TNFR)-associated factor 3 (TRAF3) by ssc-miR-149. Results The analysis showed that 18 miRNAs were highly expressed in SCs and 15 miRNAs were highly expressed in germ cells. These miRNAs were predicted to mediate SC and germ cell functions. In addition, ssc-miR-149 played critical roles in SCs by targeting TRAF3. Conclusion Our findings provide novel insights into the miRNA expression pattern and their regulatory roles of porcine SCs.

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Chen, X., Zheng, Y., Li, X., Gao, Q., Feng, T., Zhang, P., Liao, M., Tian, X., Lu, H., Zeng, W. (2020). Profiling of miRNAs in porcine Sertoli cells. https://doi.org/10.1186/s40104-020-00487-6

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Auteur(s)

Xiaoxu Chen Yi Zheng Xueliang Li Qiang Gao Tongying Feng Pengfei Zhang Mingzhi Liao Xiue Tian Hongzhao Lu Wenxian Zeng

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