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Noncoding RNA Transcripts during Differentiation of Induced Pluripotent Stem Cells into Hepatocytes

机译:诱导多能干细胞分化为肝细胞过程中的非编码RNA转录产物。

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摘要

Recent advances in the stem cell field allow to obtain many human tissues in vitro. However, hepatic differentiation of induced pluripotent stem cells (iPSCs) still remains challenging. Hepatocyte-like cells (HLCs) obtained after differentiation resemble more fetal liver hepatocytes. MicroRNAs (miRNA) play an important role in the differentiation process. Here, we analysed noncoding RNA profiles from the last stages of differentiation and compare them to hepatocytes. Our results show that HLCs maintain an epithelial character and express miRNA which can block hepatocyte maturation by inhibiting the epithelial-mesenchymal transition (EMT). Additionally, we identified differentially expressed small nucleolar RNAs (snoRNAs) and discovered novel noncoding RNA (ncRNA) genes.
机译:干细胞领域的最新进展允许在体外获得许多人体组织。然而,诱导性多能干细胞(iPSC)的肝分化仍然具有挑战性。分化后获得的肝细胞样细胞(HLC)与更多的胎儿肝肝细胞相似。微小RNA(miRNA)在分化过程中起重要作用。在这里,我们分析了分化后期的非编码RNA谱,并将其与肝细胞进行了比较。我们的结果表明,HLCs保持上皮细胞的特征并表达miRNA,可以通过抑制上皮-间质转化(EMT)来阻止肝细胞成熟。此外,我们鉴定了差异表达的小核仁RNA(snoRNA),并发现了新的非编码RNA(ncRNA)基因。

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