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Taspine is an attractive target of research due to the anticancer and anti-angiogenic effects shown by in vitro and in vivo experiments. The present study investigated the role of tas1611, which is a derivative of taspine that has increased activity and solubility, in the regulation of the invasive properties of the SMMC-7721 liver cell line in vitro and in tumor inhibition in vivo . The proliferation of the SMMC-7721 cells was examined using the tetrazole blue colorimetric method. Matrigel ® invasion chamber assays and zymogram analyses were performed to assess the inhibitory effect of tas1611 on cell invasion. Finally, a solid tumor athymic mouse model was employed to further investigate the anti-tumor effect of this compound. The results revealed that tas1611 had a marked inhibitory effect on the invasion of the SMMC-7721 cells and that this effect was associated with the activity and expression levels of matrix metalloproteinase (MMP)-2 and MMP-9. Furthermore, tas1611 was able to inhibit tumor growth effectively in a solid tumor SMMC-7721 athymic mouse model. In conclusion, tas1611 may serve as a promising novel therapeutic candidate for the treatment of metastatic liver cancer.

A novel taspine derivative suppresses human liver tumor growth and invasion in vitro and in vivo