A potent bivalent Smac mimetic (SM-1200) achieving rapid, complete, and durable tumor regression in mice.

A potent bivalent Smac mimetic (SM-1200) achieving rapid, complete, and durable tumor regression in mice.
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DOI:
10.1021/jm400216d
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发表时间:
2013-05-23
影响因子:
7.3
通讯作者:
Wang, Shaomeng
Wang, Shaomeng
中科院分区:
医学1区
文献类型:
--
作者:
Sheng, Rong;Sun, Haiying;Liu, Liu;Lu, Jianfeng;McEachern, Donna;Wang, Guanfeng;Wen, Jianfeng;Min, Ping;Du, Zhenyun;Lu, Huirong;Kang, Sanmao;Guo, Ming;Yang, Dajun;Wang, Shaomeng

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我们已经设计,合成和评估了一系列新的化合物的基础上,我们以前报道的二价Smac模拟物。这导致鉴定出化合物12(SM-1200),其与XIAP、cIAP 1和cIAP 2结合,Ki值分别为0.5 nM、3.7 nM和5.4 nM,抑制MDA-MB-231乳腺癌和SK-OV-3卵巢癌细胞系中的细胞生长,IC 50值分别为11.0 nM和28.2 nM。化合物12相对于我们先前报道的二价Smac模拟物具有大大改善的药代动力学特征,并且在MDA-MB-231异种移植模型中高度有效地诱导快速和持久的肿瘤消退。这些数据表明,化合物12是一个有前途的Smac模拟物,并保证广泛的评价作为一个潜在的候选人的临床开发。
We have designed, synthesized and evaluated a series of new compounds based upon our previously reported bivalent Smac mimetics. This led to the identification of compound 12 (SM-1200), which binds to XIAP, cIAP1 and cIAP2 with Ki values of 0.5 nM, 3.7 nM and 5.4 nM, respectively, inhibits cell growth in the MDA-MB-231 breast cancer and SK-OV-3 ovarian cancer cell lines with IC50 values of 11.0 nM and 28.2 nM, respectively. Compound 12 has a much improved pharmacokinetic profile over our previously reported bivalent Smac mimetics and is highly effective in induction of rapid and durable tumor regression in the MDA-MB-231 xenograft model. These data indicate that compound 12 is a promising Smac mimetic and warrants extensive evaluation as a potential candidate for clinical development.
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