Synthesis and biological activity of 1H-imidazo[4,5-f][1,10]phenanthroline as a potential antitumor agent with PI3K/AKT/mTOR signaling

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1H-imidazo[4,5-f][1,10]phenanthroline (IPM713) is a type of tricyclic conjugated rigid planar structure with potential medical applications, but its anticancer activity has not yet been fully studied. In the present research, cells from seven different cancer types were used to study the anticancer effect, and IPM713 was found to inhibit the colorectal cancer cell line HCT116 most significantly, with a half maximal inhibitory concentration (IC50) of 1.7 μM. The mechanisms by which IPM713 exerts anti-colorectal cancer activity were studied. IPM713 blocked the cell cycle in G0/G1 phase and induced apoptosis by suppressing the PI3K/AKT/mTOR axis. In addition, an acute toxicity test showed that the median lethal dose (LD50) was above 5000 mg/kg. The findings of this research suggest that IPM713 can interfere with the PI3K/AKT/mTOR signaling pathway and might be a potential therapeutic candidate for the treatment of colorectal cancer.

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European Journal of Pharmacology



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