MiR-106b-5p Regulates the Reprogramming of Spermatogonial Stem Cells into iPSC (Induced Pluripotent Stem Cell)-Like Cells

Recent years have brought notable progress in raising the efficiency of the reprogramming technique so that approaches have evolved from known transgenic factors to only a few miRNAs. Nevertheless, there is a poor understanding of both the key factors and biological networks underlying this reprogramming. The present study aimed to investigate the potential of miR-106b-5p in regulating spermatogonial stem cells (SSCs) to induced pluripotent stem cell (iPSC)-like cells. We used SSCs because pluripotency is inducible in SSCs under defined culture conditions, and they have a few issues compared to other adult stem cells. As both signaling and post-transcriptional gene controls are critical for pluripotency regulation, we traced the expression of Oct-4, Sox-2, Klf-4, c-Myc, and Nanog (OSKMN). Besides, we considered miR-106b-5p targets using bioinformatic methods. Our results showed that transfected SSCs with miR-106b-5p increased the expression of the OSKMN factors, which was significantly more than negative control groups. Moreover, using the functional miRNA enrichment analysis, online tools, and databases, we predicted that miR-106b-5p targeted a signaling pathway gene named MAPK1/ERK2, related to regulating stem cell pluripotency. Together, our data suggest that miR-106b-5p regulates the reprogramming of SSCs into iPSC-like cells. Furthermore, noteworthy progress in the in vitro development of SSCs indicates promise reservoirs and opportunities for future clinical trials.

Citation

Amir Hossein Hasani Fard, Mahmoud Valizadeh, Zohreh Mazaheri, Jalil Hosseini. MiR-106b-5p Regulates the Reprogramming of Spermatogonial Stem Cells into iPSC (Induced Pluripotent Stem Cell)-Like Cells Iranian biomedical journal. 2022 Jul 01;26(4):291-300

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PMID: 35791490

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