Discovery of novel 6-p-tolyl-3-(3,4,5-trimethoxybenzyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine derivative as a potent tubulin inhibitor with promising in vivo antitumor activity
作者:Tangyang Ji、Xieer Jian、Lin Chen、Wenbin Zeng、Xiansen Huo、Mingxia Li、Peng Chen、Yuqi Zhang、Wenwei You、Peiliang Zhao
DOI:10.1016/j.ejmech.2023.115437
日期:2023.8
effect. Meanwhile, B5 exerted significant antivascular activity in the wound-healing and tube formation assays. Most importantly, B5 remarkably inhibited tumor growth without obvious signs of toxicity in A549-xenograft mice model. These observations indicate that 6-p-tolyl-3-(3,4,5-trimethoxybenzyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine might be considered as the potential lead compound to develop
在我们之前的研究的基础上,通过直接闭环策略设计并成功实现了一系列新型三甲氧基苯氧基甲基和三甲氧基苄基取代的三唑并噻二嗪化合物。初步生物学评估表明,最活跃的衍生物B 5对 HeLa、HT-29 和 A549 表现出显着的细胞生长抑制活性,IC 50值分别为 0.046、0.57 和 0.96 μM,这与 CA- 4. 机制研究表明,B 5引起G 2 /M期阻滞,以浓度依赖性方式诱导HeLa细胞凋亡,并显示出有效的微管蛋白聚合抑制作用。同时,乙5在伤口愈合和管形成测定中发挥了显着的抗血管活性。最重要的是, B 5在A549-异种移植小鼠模型中显着抑制肿瘤生长而没有明显的毒性迹象。这些观察结果表明 6-p-tolyl-3-(3,4,5-trimethoxybenzyl)-7 H -[1,2,4]triazolo[3,4- b ][1,3,4]thiadiazine 可能是被认为是开发对正常人体细