Synthesis and biological evaluation of conjugates of deoxypodophyllotoxin and 5-FU as inducer of caspase-3 and -7
作者:Wen-Ting Huang、Jie Liu、Jian-Fei Liu、Ling Hui、Yi-Lan Ding、Shi-Wu Chen
DOI:10.1016/j.ejmech.2011.12.005
日期:2012.3
In order to generate compounds with superior antitumor activity and reduced toxicity, a series of conjugates of deoxypodophyllotoxin and 5-FU were synthesized by coupling 4'-demethyl-4-dexoypodophyllotoxin with N-(5-fluorouracil-N-1-ly acetic)- amino acids (or 5-fluorouracil-N-1-ly acetic acid). The cytotoxic activity of these compounds against four human cancer cell lines (HL-60, A-549, HeLa and SiHa) were evaluated, and results indicated that these compounds were more potent in terms of cytotoxicity than either parent compound DPT or anticancer drug VP-16 and 5-FU. In addition, we found that 14d induced cell cycle arrest in the G2/M phase accompanied by apoptosis in A-549 cells, and 14d activated caspase-3 and -7. These results suggested that caspase-mediated pathways are involved in 14d induced apoptosis. (C) 2011 Elsevier Masson SAS. All rights reserved.