Journal
ONCOTARGET
Volume 8, Issue 38, Pages 64622-64637Publisher
IMPACT JOURNALS LLC
DOI: 10.18632/oncotarget.19930
Keywords
circRNA; miRNA; cancer; gene regulatory mechanisms; target therapy
Categories
Funding
- Joint Research Fund devoted to clinical pharmacy and precision medicine
- National Natural Science Foundation of China [81402266, 81372875]
- Gattegno fund
- Wechsler fund
- Henan Scholarship Council
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Circular RNAs (circRNAs) are a newly validated class of endogenous non-coding RNA, generated from the ligation of exons, introns, or both, which arise via a diverse number of cellular mechanisms. Due to rapid advances in the development of combined high-throughput sequencing and bioinformatics analyzing tools, many circRNAs have recently been discovered, revealing an expansive number of ubiquitously expressed mammalian circRNAs. Interestingly, it has recently been confirmed that circRNAs bind to microRNAs (miRs), as miR sponges, acting to suppress miR function. As miRs are known to alter the development and progression of cancer, circRNAs may offer a novel diagnostic and prognostic biomarker for cancer. Indeed, recent evidence has shown that circRNAs are associated with many human cancers. Herein, we review the molecular characteristics and biogenesis of circRNAs, with a focus on newly identified circRNAs that may play an important role in human cancer, through their regulation of miR expression.
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