A new 4-(pyridinyl)-4H-benzo[g]chromene-5,10-dione ruthenium(II) complex inducing senescence in 518A2 melanoma cells
作者:Madeleine Gold、Yusufi Mujahid、Khursheed Ahmed、Hana Kostrhunova、Jana Kasparkova、Viktor Brabec、Bernhard Biersack、Rainer Schobert
DOI:10.1007/s00775-019-01677-y
日期:2019.8
2-Amino-5,10-dihydro-5,10-dioxo-4(pyridine-3-yl)-4H-benzo[g]chromene-3-carbonitrile 5, a cytotoxic lawsone derivative, was reacted with [Ru(p-cymene)Cl2]2 to afford a new Ru(II) ‘piano-stool’ complex 6 which differed from its ligand 5 by a greater selectivity for highly invasive 518A2 melanoma cells over human dermal fibroblasts in MTT cytotoxicity assays, and by inducing senescence rather than apoptosis
使具有细胞毒性的劳森酮衍生物2-氨基-5,10-二氢-5,10-二氧代-4(吡啶-3-基)-4 H-苯并[ g ]亚甲基-3-甲腈5与[Ru(对-cymene)Cl 2 ] 2提供一种新的Ru(II)“钢琴凳”复合物6,该化合物与它的配体5的区别在于在MTT细胞毒性试验中对高侵袭性518A2黑色素瘤细胞的选择性比人类真皮成纤维细胞高。前者诱导衰老而不是凋亡。DNA可能是复合物6的细胞靶标因为它在体外可能以非共价方式与线性和环状双链DNA结合,并且在处理过的518A2黑色素瘤细胞核的裂解物中发现了钌。它也导致这些细胞中活性氧的增加五倍,这是由于循环伏安法显示的更持久的氧化还原循环而引起的。