Shuwei Bai, Haiyan Wang, Ye Bai, Peiyang Liu, Chunchao Bi
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引用次数: 0
Abstract
Retinoblastoma (RB) is an aggressive form of eye cancer. β-Asarone is a bioactive component isolated from the medicinal plant Acorus tatarinowii Schott and has anticancer effects on various human cancers. However, reports regarding the role of β-Asarone in RB remain limited. Our study investigates the mechanisms of β-Asarone in regulating drug resistance in RB, providing a theoretical foundation for RB treatment. A carboplatin-resistant RB cell line was established and treated with β-Asarone, followed by overexpression of long non-coding RNA (lncRNA) urothelial carcinoma-associated 1 (UCA1). The half-maximal inhibitory concentration and cell apoptosis were determined. The levels of lncRNA UCA1/miR-206/neuropilin 1 (NRP1) were measured. The subcellular localization of lncRNA UCA1 was examined. The binding relationships between lncRNA UCA1 and microRNA (miR)-206, and between miR-206 and NRP1 were analyzed. NRP1 expression was analyzed by Western blot assay. We found that β-Asarone downregulated lncRNA UCA1 expression in carboplatin-resistant RB cells. Overexpression of lncRNA UCA1 reversed the inhibitory effect of β-Asarone on cell drug resistance and cell proliferation and reduced apoptosis. LncRNA UCA1 functioned as a sponge for miR-206, which suppressed NRP1 expression. Inhibition of miR-206 or overexpression of NRP1 could partially reverse the suppressive effect of β-Asarone on RB cell drug resistance. In conclusion, β-Asarone suppresses RB cell drug resistance through the lncRNA UCA1/miR-206/NRP1 axis.
期刊介绍:
Biochemical Genetics welcomes original manuscripts that address and test clear scientific hypotheses, are directed to a broad scientific audience, and clearly contribute to the advancement of the field through the use of sound sampling or experimental design, reliable analytical methodologies and robust statistical analyses.
Although studies focusing on particular regions and target organisms are welcome, it is not the journal’s goal to publish essentially descriptive studies that provide results with narrow applicability, or are based on very small samples or pseudoreplication.
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