Synthesis and biological evaluation of novel farnesylthiosalicylic acid/salicylic acid hybrids as potential anti-tumor agents

A series of FTS/salicylic acid hybrids was designed and synthesized and their in vitro antitumor activities were evaluated.It was found that the anti-proliferation activities of hybrids were better than that of FTS.Compound 10 a displayed the strongest antitumor activities with IC50 values of 5.72-9.76 μmol/L and selectively inhibited tumor cell proliferation.In addition,10 a induced tumor cell apoptosis in a dosedependent manner by up-regulating the expression of Bax and caspase-3 and down-regulating Bcl-2.Our findings suggest that these novel hybrids may hold a great promise as therapeutic agents for the intervention of human cancers.

Synthesis and in vitro biological evaluation of farnesylthiosalicylic acid derivatives as anti-tumor carcinoma agents

Novel farnesylthiosalicylic acid （PTA） derivatives 5a-m with different substituted 1,3,4-thiadiazoles were synthesized. Compounds 5b, 5e, 5e and 5f displayed anti-tumor activities superior to FTA in most cancer cells tested. Furthermore, 5e induced tumor cell apoptosis, which was accompanied by lower Bcl-2 expression, but with higher Bax and caspase 3 expression activities in cancer cells.

新型法尼基硫代水杨酸/羟基肉桂酸偶联物的合成及其抗肿瘤活性

通过偶联法尼基硫代水杨酸(FTS)的羧基与羟基肉桂酸的酚羟基,设计合成了16个新型FTS/羟基肉桂酸偶联物(7a^7p),并对其进行了体外抗肿瘤活性研究。结果表明,大部分化合物对6种人肿瘤细胞具有较强的抗增殖活性,其中,化合物7b表现出最佳的肿瘤细胞增殖抑制活性,对所测肿瘤细胞的IC50为5.51~9.25μmol/L,优于FTS和索拉非尼的活性。并且,化合物7b可以选择性地抑制肿瘤细胞的生长,而对正常细胞损伤较小。此外,流式细胞分析显示化合物7b可以浓度依赖性地诱导SMMC-7721细胞凋亡。