Apatinib regulates the growth of gastric cancer cells by modulating apoptosis and autophagy.

Naunyn-Schmiedeberg's Archives of Pharmacology
Xu LiuDian Gao

Abstract

Apatinib is a novel, highly selective small-molecule inhibitor of the tyrosine kinase VEGFR-2. Although its safety and efficacy in the treatment of advanced gastric cancer (GC) and other solid tumors have been confirmed, the precise molecular mechanism underlying its efficacy remains unclear. The purpose of this study was to investigate the mechanism by which apatinib regulates the biological functions of GC cells in vitro. The CCK-8 assay was used to detect the inhibitory effect of apatinib at different concentrations on the proliferation of SGC7901 and MKN45 human GC cells. The effects of apatinib on apoptosis, autophagy, and cell cycle-related genes in SGC7901 and MKN45 cells were detected by Western blotting and real-time quantitative PCR (RT-qPCR). JC-1 staining, flow cytometry, Hoechst 33342 staining, dansylcadaverine (MDC) staining, and Transwell assays were used to detect the effects of apatinib on apoptosis, the cell cycle, autophagy, and invasion and migration capacities, respectively, in SGC7901 and MKN45 cells. The inhibitory effect of apatinib on the proliferation of GC cells was dependent on concentration. Apatinib significantly promoted apoptosis and autophagy. It also altered the cell cycle distribution and inhi...Continue Reading

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Citations

May 13, 2021·International Journal of General Medicine·Ting XiuFan-Bo Jing

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