Adiantum is a genus of ca. 200 species in the family

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Objective: This study aimed to investigate the effects of quercetin on the proliferation and invasion in oral squamous cell carcinoma (OSCC) and examine its effect on the activation of the miR-1254/CD36 signaling pathway. Methods: Proliferation and invasion experiments were performed in the OSCC cell line CAL-27 in which miR-1254 was overexpressed or inhibited. The levels of miR-1254 and CD36 were determined using quantitative real-time polymerase chain reaction and Western blotting assays. Results: Quercetin significantly suppressed the proliferation and invasion of CAL-27 cells in a dose-dependent manner, while up-regulating miR-1254 and down-regulating CD36. The overexpression of miR-1254 also considerably down-regulated CD36 and enhanced the ability of quercetin to inhibit CAL-27 cell survival and invasion. Conversely, the inhibition of miR-1254 significantly up-regulated CD36 and antagonized the inhibitory effects of quercetin. Conclusion: Our study suggests that quercetin might suppress the progression of OSCC by activating the miR-1254/CD36 signaling pathway, indicating its potential as a treatment against OSCC.

Due to the energy loss in deformation process, the mechanical problems of polymer materials can not keep the energy conservation, and a series of calculation methods of elasticity can not be directly applied. In this paper, we find that the differential stress-strain relationship can be transformed into algebraic equation form according to the correspondence principle. That is, in the Laplace space, the viscoelastic problem maintains the conservation.