期刊
RNA BIOLOGY
卷 14, 期 5, 页码 514-521出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15476286.2015.1122162
关键词
Carcinogenesis; circular RNA; gene expression; malignant behavior; microRNA sponge
资金
- National Science Foundation of China [81470820, 81370508]
Circular RNAs (circRNAs) are long, non-coding RNAs that result from the non-canonical splicing of linear pre-mRNAs. However, the characteristics and the critical role of circRNA in co-/post-transcriptional regulation were not well recognized until the microRNA sponge function of circRNA is discovered. Recent studies have mainly been devoted to the function of the circular RNA sponge for miR-7 (ciRS-7) and sex-determining region Y (SRY) by targeting microRNA-7 (miR-7) and microRNA-138 (miR-138), respectively. In this review, we illustrate the specific role of circRNAs in a wide variety of cancers and in regulating the biological behavior of cancers via miR-7 or miR-138 regulation. Furthermore, circRNA, together with its gene silencing ability, also shows its potential in RNA interference (RNAi) therapy by binding to target RNAs, which provides a novel perspective in cancer treatment. Thus, this review concerns the biogenesis, biological function, oncogenesis, progression and possible therapies for cancer involving circRNAs.
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