3,5-Bis(2-fluorobenzylidene)-4-piperidone induce reactive oxygen species-mediated apoptosis in A549 cells
作者:Guo-Yun Liu、Cong-Cong Jia、Pu-Ren Han、Jie Yang
DOI:10.1007/s00044-017-2056-x
日期:2018.1
almost 13-fold cytotoxicity relative to curcumin against A549 cells. More importantly, 1d was more stable and more massive uptake than curcumin, which may be relationship to their cytotoxicity, apoptotic acitivity and reactive oxygen species generation. The generation of reactive oxygen species is associated with falling apart in the redox buffering system, and subsequently induces lipid peroxidation
芳环的邻位上存在取代基有助于增强生物活性,从而突出了所谓的邻位效应。在本文中,我们合成了六个带有氟基团的单羰基姜黄素类似物,这些类似物赋予某些药物多种特性。然后,通过MTT分析评估针对A549和NCI-H460细胞的细胞毒性。结果表明,相对于姜黄素对A549细胞而言,1d表面上是一种重要的先导化合物,显示出几乎13倍的细胞毒性。更重要的是1d姜黄素比姜黄素更稳定,吸收更大,这可能与其姜黄素的细胞毒性,凋亡活性和活性氧的产生有关。活性氧的产生与氧化还原缓冲系统中的崩解有关,并随后引起脂质过氧化,线粒体膜电位的崩溃并最终导致细胞凋亡。这些数据表明邻位作用和将氟引入药物分子是提高单羰基姜黄素类似物的抗癌活性的成功策略。