Necroptosis-inducing rhenium(V) oxo complexes.

Necroptosis-inducing rhenium(V) oxo complexes.
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DOI:
10.1021/ja511978y
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发表时间:
2015-03-04
影响因子:
15
通讯作者:
Lippard SJ
Lippard SJ
中科院分区:
化学1区
文献类型:
--
作者:
Suntharalingam K;Awuah SG;Bruno PM;Johnstone TC;Wang F;Lin W;Zheng YR;Page JE;Hemann MT;Lippard SJ

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通式为 [ReO(OMe)(N^N)Cl2] 的铼 (V) 氧配合物,其中 N^N = 4,7-二苯基-1,10-菲咯啉, 1 或 3,4,7,8-四甲基-1,10-菲咯啉, 2,通过触发坏死性凋亡(一种非凋亡形式的细胞死亡)来有效杀死癌细胞。两种复合物都会引起坏死体 (RIP1-RIP3) 依赖性细胞内 ROS 产生和碘化丙啶摄取。这些复合物还会诱导线粒体膜电位耗竭,这可能是 ROS 产生的下游效应。显然,1和2是第一个引起与癌细胞程序性坏死一致的细胞事件的铼配合物。此外,1 和 2 在 C57BL/6 小鼠中显示出较低的急性毒性,并且在新鲜人血液中显示出合理的稳定性。
Rhenium(V) oxo complexes of general formula [ReO(OMe)(N^N)Cl2], where N^N = 4,7-diphenyl-1,10-phenanthroline, 1, or 3,4,7,8-tetramethyl-1,10-phenanthroline, 2, effectively kill cancer cells by triggering necroptsosis, a non-apoptotic form of cell death. Both complexes evoke necrosome (RIP1-RIP3)-dependent intracellular ROS production and propidium iodide uptake. The complexes also induce mitochondrial membrane potential depletion, a possible downstream effect of ROS production. Apparently, 1 and 2 are the first rhenium complexes to evoke cellular events consistent with programmed necrosis in cancer cells. Furthermore, 1 and 2 display low acute toxicity in C57BL/6 mice and reasonable stability in fresh human blood.