Design, synthesis, and evaluation of tricyclic, conformationally constrained small-molecule mimetics of second mitochondria-derived activator of caspases.

Design, synthesis, and evaluation of tricyclic, conformationally constrained small-molecule mimetics of second mitochondria-derived activator of caspases.
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DOI:
10.1021/jm801146d
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发表时间:
2008-12-11
影响因子:
7.3
通讯作者:
Wu Y
Wu Y
中科院分区:
医学1区
文献类型:
--
作者:
Zhang B;Nikolovska-Coleska Z;Zhang Y;Bai L;Qiu S;Yang CY;Sun H;Wang S;Wu Y

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一系列的三环,构象受限的Smac模拟物的设计,合成和评价。最有效的化合物6(WS-5)与XIAP、cIAP-1和cIAP-2结合,Ki值分别为18、1.1和4.2 nM。化合物6在功能测定中拮抗XIAP并诱导cIAP-1降解。化合物6在MDA-MB-231癌细胞系中以68 nM的IC 50值抑制细胞生长,并有效地诱导癌细胞经历凋亡。
A series of tricyclic, conformationally constrained Smac mimetics have been designed, synthesized and evaluated. The most potent compound 6 (WS-5) binds to XIAP, cIAP-1 and cIAP-2 with Ki values of 18, 1.1 and 4.2 nM, respectively. Compound 6 antagonizes XIAP in a functional assay and induces cIAP-1 degradation. Compound 6 inhibits cell growth with an IC50 value of 68 nM in the MDA-MB-231 cancer cell line and effectively induces cancer cells to undergo apoptosis.
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