Abstract
A series of piperine derivatives were designed and successfully synthesized. The antitumor activities of these compounds against 293 T human normal cells, as well as MDA-MB-231 (breast) and Hela (cervical) cancer cell lines, were assessed through the MTT assay. Notably, compound H7 exhibited moderate activity, displaying reduced toxicity towards non-tumor 293 T cells while potently enhancing the antiproliferative effects in Hela and MDA-MB-231 cells. The IC50 values were determined to be 147.45 ± 6.05 μM, 11.86 ± 0.32 μM, and 10.50 ± 3.74 μM for the respective cell lines. In subsequent mechanistic investigations, compound H7 demonstrated a dose-dependent inhibition of clone formation, migration, and adhesion in Hela cells. At a concentration of 15 μM, its inhibitory effect on Hela cell function surpassed that of both piperine and 5-Fu. Furthermore, compound H7 exhibited promising antitumor activity in vivo, as evidenced by significant inhibition of tumor angiogenesis and reduction in tumor weight in a chicken embryo model. These findings provide a valuable scientific foundation for the development of novel and efficacious antitumor agents, particularly highlighting the potential of compound H7 as a therapeutic candidate for cervical cancer and breast cancer.
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