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MiR-340 regulates the growth and metabolism of renal cell carcinoma cells by targeting frizzled class receptor 3

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Abstract

MicroRNA(miR)-340 is known as a multifunctional miRNA related to various types of cancer while its role in renal cell carcinoma (RCC) remains to be further investigated. In the present study, an apparent increase in miR-340 expression was observed in both clear cell RCC tissues and RCC cell line 786-O and Caki-1. Functionally, the overexpression of miR-340 promoted cell proliferation, migration, invasion, extracellular alanine (Ala) level, and glycolysis level in 786-O cells. Then, frizzled class receptor 3 (FZD3) was determined as the target gene of miR-340 and its expression level was negatively regulated by miR-340. The FZD3 silencing abrogated the inhibitory effect of miR-340 knockdown on cell proliferation, migration, invasion, Ala level, and glycolysis level in 786-O cells. In conclusion, miR-340 promotes proliferation, migration, and invasion of RCC cells via suppressing FZD3 expression, and the promotion effect of miR-340 on RCC progression may be due to its regulatory effect on glycolysis and Ala level.

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Acknowledgements

This study was supported by Grants from the Natural Science Foundation of Jiangxi Province, China (20181BAB205055): Identification of Metabolic Markers in Renal Tumor and Research on Its Diagnostic Prediction Model.

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Correspondence to Gaode Zou.

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Xiang, M., Huang, Y., Dai, C. et al. MiR-340 regulates the growth and metabolism of renal cell carcinoma cells by targeting frizzled class receptor 3. Arch. Pharm. Res. 44, 219–229 (2021). https://doi.org/10.1007/s12272-021-01310-0

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  • DOI: https://doi.org/10.1007/s12272-021-01310-0

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