Journal
CELL DEATH & DISEASE
Volume 13, Issue 4, Pages -Publisher
SPRINGERNATURE
DOI: 10.1038/s41419-022-04732-w
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Funding
- National Natural Science Foundation of China [82072835]
- Key Research and Development Joint Program of Liaoning Province [2020JH 2/10300139]
- Natural Science Foundation of Liaoning Province [2019-MS-360, 2019-MS-371]
- Shenyang Science and Technology Bureau Plan Projects [20-205-4-076]
- 345 Talent Project of Shengjing Hospital of China Medical University [M0366]
- Scientific Fund of Shengjing Hospital
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The upregulated expression of hsa_circRNA_0088036 in bladder cancer is positively correlated with overall survival and clinicopathologic characteristics. Knockdown of hsa_circRNA_0088036 inhibits the growth, migration, and invasion of bladder cancer cells, acting through the miR-140-3p/FOXQ1 signaling pathway.
Circular RNAs (circRNAs) are a class of non-coding RNAs that play vital roles in cancer biology. However, the potential role of hsa_circRNA_0088036 in bladder cancer (BCa) remains unknown. Hsa_circRNA_0088036 was identified by microarray analysis and validated by quantitative real-time polymerase chain reaction. Functional assays were conducted to confirm the effects of hsa_circRNA_0088036 on the growth, migration, invasion, tumorigenesis, and metastasis of BCa cells. The luciferase reporter assay and RNA pull down assay were performed to investigate the interactions between hsa_circRNA_0088036, miR-140-3p, and forkhead box protein Q1 (FOXQ1). Upregulated expression of hsa_circRNA_0088036 in BCa tissues and cell lines was positively correlated with overall survival and clinicopathologic characteristics. Knockdown of hsa_circRNA_0088036 inhibited the growth, migration, and invasion of BCa cells both in vivo and in vitro. Mechanistically, hsa_circRNA_0088036 could directly interact with miR-140-3p and act as a miRNA sponge to modulate FOXQ1 expression. Knockdown of hsa_circRNA_0088036 inhibited the proliferation, migration, and metastasis of BCa cells via miR-140-3p/FOXQ1 signaling, suggesting that hsa_circRNA_0088036 is a potential biomarker and therapeutic target for BCa.
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