Qian Li, Xu Huang, Yan Tong, Caiyu Yong, Minghui Song, Cunjie Chang, Heng Dong, Fangtian Bu, Shuanghong Yan, Jie Ying, Jianxiang Chen
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引用次数: 0
Abstract
circRNAs are endogenous covalently closed circular RNAs, and previous studies have validated their key regulatory roles in malignant tumors; however, the specific role and regulatory mechanism of circNEK11 in hepatocellular carcinoma (HCC) remain unclear. Here, we discovered that circNEK11 back-spliced from exons 12, 13, 14, and 15 of the NEK11 gene is significantly upregulated in HCC tissues, especially recurrent HCC tissues. YTHDC1 functions as a reader of m6A-modified circNEK11 and facilitates its cytoplasmic export. circNEK11 promotes HCC cell oncogenic functions in vitro and HCC growth in vivo. Mechanistically, circNEK11 directly binds to miR-1236-3p to regulate GPX2 expression, thus promoting HCC progression and recurrence. Collectively, our findings suggest that circNEK11 is a potential biomarker and target for HCC diagnosis and treatment.
期刊介绍：
Cancer Science (formerly Japanese Journal of Cancer Research) is a monthly publication of the Japanese Cancer Association. First published in 1907, the Journal continues to publish original articles, editorials, and letters to the editor, describing original research in the fields of basic, translational and clinical cancer research. The Journal also accepts reports and case reports.
Cancer Science aims to present highly significant and timely findings that have a significant clinical impact on oncologists or that may alter the disease concept of a tumor. The Journal will not publish case reports that describe a rare tumor or condition without new findings to be added to previous reports; combination of different tumors without new suggestive findings for oncological research; remarkable effect of already known treatments without suggestive data to explain the exceptional result. Review articles may also be published.
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