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Effects of circular RNA hsa_circ_0085576 on cell migration and invasion of oral squamous cell carcinoma by regulating the microRNA-498/B-cell-specific Moloney murine leukemia virus integration site 1 axis
Li Liheng,Wang Rui,Wang Xiaoming,Zhang Zhiyi,Zhang Xuan,An Feng,Wang Qin,Zhang Fan
PDF(2750 KB)
PDF(2750 KB)
Effects of circular RNA hsa_circ_0085576 on cell migration and invasion of oral squamous cell carcinoma by regulating the microRNA-498/B-cell-specific Moloney murine leukemia virus integration site 1 axis
),Wang Rui1,Wang Xiaoming1,Zhang Zhiyi1,Zhang Xuan1,An Feng1,Wang Qin1,Zhang Fan2Objective This study aims to explore the effects of circular RNA hsa_circ_0085576 on cell migration and invasion of oral squamous cell carcinoma (OSCC) and the underlying molecular mechanism. Methods Circular RNA hsa_circ_0085576, microRNA-498 (miR-498), and B-cell-specific Moloney murine leukemia virus integration site 1 (BMI-1) in the cells of OSCC were detected by quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot analyses. CCK-8, scratch test, Transwell test, qRT-PCR, and Western blot were used to detect the proliferation, migration, and invasion ability of SCC-15 cells and the expression of related genes and proteins. Results The expression of hsa_circ_0085576 and BMI-1 in the cells of OSCC was upregulated, and that of miR-498 was downregulated (P<0.05). The proliferative activity, scratch healing rate, number of invasive cells, and expression levels of cyclinD1 and vimentin proteins of SCC-15 cells were downregulated, whereas the expression levels of miR-498 and E-cadherin proteins were upregulated (P<0.05). Inhibition of miR-498 expression weakened the inhibitory effect of downregulating hsa_circ_0085576 on the proliferation, migration, and invasion of OSCC cells. Upregulation of BMI-1 expression attenuated the inhibitory effect of overexpressed miR-498 on the proliferation, migration, and invasion of OSCC cells. Conclusion Downregulation of hsa_circ_0085576 expression inhibited the proliferation, migration, and invasion of OSCC cells by activating the miR-498/BMI-1 axis.
circular RNA hsa_circ_0085576 / microRNA-498 / B-cell-specific Moloney murine leukemia virus integration site 1 / oral squamous cell carcinoma
R730.2
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