The Landscape of Regulatory Noncoding RNAs in Ewing's Sarcoma.

The Landscape of Regulatory Noncoding RNAs in Ewing's Sarcoma.
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DOI:
10.3390/biomedicines9080933
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发表时间:
2021-07-31
期刊:
影响因子:
4.7
通讯作者:
Batish M
Batish M
中科院分区:
工程技术3区
文献类型:
--
作者:
Barrett C;Budhiraja A;Parashar V;Batish M

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尤文氏肉瘤 (ES) 是一种由染色体易位引起的儿科肉瘤。与大多数癌症不同,ES 患者的基因组非常稳定。 EWS-FLI1 融合的易位产物通常是肿瘤发生的主要遗传驱动因素,探索表观遗传改变在 ES 发生和进展中的作用是相关的。几种类型的非编码 RNA,主要是 microRNA 和长非编码 RNA,是关键的表观遗传调节因子,已被证明在各种癌症中发挥着关键作用。这些表观遗传调节因子的功能刚刚开始在 ES 中得到重视。在这里,我们进行了全面的文献综述来鉴定这些非编码 RNA。我们鉴定了临床相关的肿瘤抑制 microRNA、肿瘤启动子 microRNA 和长非编码 RNA。然后,我们探索了不同类别的非编码 RNA 之间已知的相互作用,并描述了目前尚未满足的扩展 ES 非编码 RNA 库的需求。我们通过讨论非编码 RNA 对 ES 的表观遗传调控来结束本次综述。这些非编码 RNA 为开发更好的治疗方法和识别新的生物标志物提供了新的探索途径。
Ewing’s sarcoma (ES) is a pediatric sarcoma caused by a chromosomal translocation. Unlike in most cancers, the genomes of ES patients are very stable. The translocation product of the EWS-FLI1 fusion is most often the predominant genetic driver of oncogenesis, and it is pertinent to explore the role of epigenetic alterations in the onset and progression of ES. Several types of noncoding RNAs, primarily microRNAs and long noncoding RNAs, are key epigenetic regulators that have been shown to play critical roles in various cancers. The functions of these epigenetic regulators are just beginning to be appreciated in ES. Here, we performed a comprehensive literature review to identify these noncoding RNAs. We identified clinically relevant tumor suppressor microRNAs, tumor promoter microRNAs and long noncoding RNAs. We then explored the known interplay between different classes of noncoding RNAs and described the currently unmet need for expanding the noncoding RNA repertoire of ES. We concluded the review with a discussion of epigenetic regulation of ES via regulatory noncoding RNAs. These noncoding RNAs provide new avenues of exploration to develop better therapeutics and identify novel biomarkers.
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