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Updated: Nov 12, 2025

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis
Published on: March 30, 2019
circ0000069 promotes cervical cancer cell proliferation and migration by inhibiting miR-4426
Zhen Chen1, Kaijian Ling2, Yingjun Zhu3
1Southwest Hospital, The First Affiliated Hospital of Third Military Medical University, Chongqing, 400038, China; The Tianjin Center Hospital of Obstetrics & Gynaecology, Tianjin, 300100, China.
Abstract:
Circular RNAs (circRNAs) have been shown to be associated with the occurrence and development of cervical cancer (CC). In the present study, we aimed to investigate the tumor-promoting effect of hsa_circ_0000069 (circ0000069) on CC and the mechanisms underlying its effect. We found that circ0000069 was upregulated in CC cells and tissues, and that N6-methyladenosine (m6A) modification maintained circ0000069 stability. Gain- and loss-of-function assays revealed that circ0000069 promoted CC cell proliferation and migration. miR-4426 specifically binds circ0000069 and mediates its functions in CC development. In conclusion, circ0000069 was upregulated partially due to m6A modification, which promoted cell proliferation and migration via sponging miR-4426 in CC.
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