Journal
FRONTIERS IN CHEMISTRY
Volume 11, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fchem.2023.1191498
Keywords
podophyllotoxin; imidazolium salts; triazoles; antitumor activity; structure-activity relationships
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Three series of podophyllotoxin derivatives were synthesized with various nitrogen-containing heterocycles. The antitumor activity of these derivatives was evaluated against human tumor cell lines in vitro. The results showed that podophyllotoxin-imidazolium salts and podophyllotoxin-1,2,4-triazolium salts a1-a20 exhibited excellent cytotoxic activity, with a6 being the most potent compound. Podophyllotoxin-1,2,3-triazole derivatives b1-b5 showed medium cytotoxic activity, while podophyllotoxin-amine compounds c1-c3 displayed good cytotoxic activity. Further experiments revealed that compound a6 induced G2/M cell cycle arrest and apoptosis in HCT-116 cells.
Three series of podophyllotoxin derivatives with various nitrogen-containing heterocycles were designed and synthesized. The antitumor activity of these podophyllotoxin derivatives was evaluated in vitro against a panel of human tumor cell lines. The results showed that podophyllotoxin-imidazolium salts and podophyllotoxin-1,2,4-triazolium salts a1-a20 exhibited excellent cytotoxic activity. Among them, a6 was the most potent cytotoxic compound with IC50 values of 0.04-0.29 mu M. Podophyllotoxin-1,2,3-triazole derivatives b1-b5 displayed medium cytotoxic activity, and podophyllotoxin-amine compounds c1-c3 has good cytotoxic activity with IC50 value of 0.04-0.58 mu M. Furthermore, cell cycle and apoptosis experiments of compound a6 were carried out and the results exhibited that a6 could induce G2/M cell cycle arrest and apoptosis in HCT-116 cells.
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