Novel Chalcone‐Phenazine Hybrids Induced Ferroptosis in U87‐MG Cells through Activating Ferritinophagy
作者:Chunhua Zhang、Qifan Ding、Zhuolu Xia、Hengyu Wang、Feng Jiang、Yuanyuan Lu
DOI:10.1002/cbdv.202201117
日期:2023.2
C4 was verified to induce ferroptosis in U87-MG cells by transcription, lipid peroxidation, lipid ROS assays. Furthermore, C4 was up-regulated LC3-II, degradated FTH1, and then increasing iron resulted in the down-regulation of NCOA4. Together, all above evidences highlighted the potential of compound C4 that triggered ferroptosis by activating ferritinophagy against U87-MG cells.
本研究设计并合成了37 个以 1,2,3-三唑或乙基为连接基团的新型查耳酮-吩嗪杂化分子(C1∼C13和F1∼F24 )。一些化合物在体外对U87-MG癌细胞系表现出选择性细胞毒性,其中化合物C4被发现具有最佳的抗增殖活性。SAR 研究表明 1,2,3-三唑基团可能对增强化合物的细胞毒性至关重要。通过转录、脂质过氧化、脂质 ROS 测定,证实C4在 U87-MG 细胞中诱导铁死亡。此外,C4上调 LC3-II,降解 FTH1,然后增加铁导致 NCOA4 下调。总之,上述所有证据都强调了化合物C4通过激活针对 U87-MG 细胞的铁蛋白吞噬来触发铁死亡的潜力。