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Purpose: Circular RNAs (circRNAs), are a large class of RNAs that from a covalently closed continuous loop and have recently showed huge capabilities as gene regulators in mammals. Although Hsa_circ_0001451 has been investigated in colorectal cancer, it remains unclear about the relationship between Hsa_circ_0001451 and clear cell renal cell carcinoma (ccRCC). Our research aims to reveal the function of Hsa_circ_0001451 in the proliferation and development in ccRCC cells. Methods: The expression of Hsa_circ_0001451 in 52 pairs of ccRCC tissues and paraneoplastic tissues was detected by quantitative real-time polymerase chain reaction (qRT-PCR). The correlation between Hsa_circ_0001451 and the clinicopathological features was evaluated using the chi-sequare test. Receiver operating characteristic (ROC) curve was built by SPSS to evaluate the diagnostic values. The effects of Hsa_circ_0001451 on ccRCC cells were determined via a MTT assay, clone formation assay, flow cytometry and Western blot analysis. Results: The expression of Hsa_circ_0001451 was significantly correlated with differentiation (P&lt;0.05). The area under ROC curve of Hsa_circ_0001451 was 0.704 (P&lt;0.05). Knockdown of Hsa_circ_0001451 significantly promoted tumor growth in vitro. Bioinformatics results also displayed that Hsa_circ_0001451 might be involved in the regulation of tumor progression. Conclusion: Taken together, our finding showed that Hsa_circ_0001451 might become a novel potential biomarker in the diagnosis of ccRCC and a potential novel target for the treatment of ccRCC.

The effect of Hsa_circ_0001451 in clear cell renal cell carcinoma cells and its relationship with clinicopathological features