4.7 Article

Novel circular RNA circATRNL1 accelerates the osteosarcoma aerobic glycolysis through targeting miR-409-3p/LDHA

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BIOENGINEERED
卷 12, 期 2, 页码 9965-9975

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TAYLOR & FRANCIS INC
DOI: 10.1080/21655979.2021.1985343

关键词

Osteosarcoma; circular rna; circATRNL1; aerobic glycolysis; ldha

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Recent research has shown that circRNAs play critical roles in osteosarcoma biology. CircATRNL1 was found to be highly expressed in osteosarcoma tissues and cells, correlating with aggressive features and serving as an independent risk factor for patients' survival. Functionally, circATRNL1 promotes osteosarcoma aerobic glycolysis by up-regulating LDHA expression via the miR-409-3p axis. This suggests a novel therapeutic target for osteosarcoma.
In recent researches, circular RNAs (circRNAs) have been shown to exert critical functions in osteosarcoma biology. Nevertheless, the contribution of circRNAs to osteosarcoma remains largely unclear. Results indicated that expression of circATRNL1 was higher in osteosarcoma tissues and cells. The high-expression of circATRNL1 was significantly correlated with aggressive features and acted as an independent risk factor for osteosarcoma patients' overall survival. Functionally, our findings demonstrate that circATRNL1 promotes the osteosarcoma aerobic glycolysis in vitro. Mechanistically, circATRNL1 up-regulated the expression level of LDHA, which was also targeted by miR-409-3p. Therefore, circATRNL1 exerted the accelerative roles of osteosarcoma aerobic glycolysis through miR-409-3p/LDHA axis. In conclusion, circATRNL1 promoted osteosarcoma progression by enhancing glycolysis via circATRNL1/miR-409-3p/LDHA axis, which may inspire a novel therapeutic target for osteosarcoma.

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