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Synthesis and evaluation of quinonoid compounds against tumor cell lines.

机译:醌类化合物对肿瘤细胞系的合成和评价。

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摘要

Thirty two compounds were synthesized in moderate to high yields and showed activity against cancer cells HL-60 (leukemia), MDA-MB435 (melanoma), HCT-8 (colon) and SF295 (central nervous system), with IC(50) below 2 muM for some compounds. The beta-lapachone-based 1,2,3-triazoles showed the best cytoxicity profile and emerge as promising anticancer prototypes. Insights about the reactive oxygen species (ROS) mechanism of anticancer action for some compounds were obtained by addition of 1-bromoheptane that deplete reduced glutathione (GSH) content and by using N-acetylcysteine that protects cells against apoptotic cellular death, as well by analysis of thiobarbituric acid reactive substances (TBARS) formation, and oxidative DNA damage after treatment detected by the comet assay with the bacterial enzymes formamidopyrimidine DNA-glycosylase (FPG) and endonuclease III (ENDOIII).
机译:以中等至高收率合成了32种化合物,它们显示出对癌细胞HL-60(白血病),MDA-MB435(黑色素瘤),HCT-8(结肠)和SF295(中枢神经系统)的活性,IC(50)低于某些化合物为2μM。基于β-拉帕酮的1,2,3-三唑显示出最佳的细胞毒性特征,并有望成为有希望的抗癌原型。通过添加1-溴庚烷以减少谷胱甘肽(GSH)含量,并使用N-乙酰半胱氨酸保护细胞免受凋亡性细胞死亡,从而获得对某些化合物的抗癌作用的活性氧(ROS)机制的见解,以及通过分析彗星试验检测到的细菌细菌甲酰胺嘧啶DNA-糖基化酶(FPG)和内切核酸酶III(ENDOIII)对硫代巴比妥酸反应性物质(TBARS)的形成和DNA氧化后DNA损伤的影响。

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