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AT406 (SM-406, ARRY-334543)1071992-99-8

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简要描述:
AT406 (SM-406, ARRY-334543)1071992-99-8
上海一基实业有限公司是主要从事配套试剂的生产和销售的企业,产品用途:科研实验,标准对照品研究中心代理的作为一种衡量标准

AT406 (SM-406, ARRY-334543)1071992-99-8

 

AT-406(SM-406, ARRY-334543)
分子式:C32H43N5O4    分子量:561.71
 
产品描述
AT-406是有效的,拟Smac的,IAP(通过E3泛素连接酶起作用的凋亡蛋白抑制剂)拮抗剂, 与XIAP-BIR3, cIAP1-BIR3 和cIAP2-BIR3结合,Ki为66.4 nM, 1.9 nM, 和5.1 nM,比作用于Smac AVPI 肽亲和力高50到100倍。
靶点
XIAP
cIAP1
cIAP2
     
IC50
66.4 nM (Ki)
1.9 nM (Ki)
5.1 nM (Ki)
     
体外研究
AT-406 is a Smac mimetic and appears to mimic closely the AVPI peptide in both hydrogen bonding and hydrophobic interactions with XIAP, with additional hydrophobic contacts with W323 of XIAP. AT-406 is more sensitive to these IAPs than Smac AVPI peptide with 50-100 fold binding affinities. AT-406 (at 1 μM) compley restores the activity of caspase-9, which is suppressed by 500 nM XIAP BIR3 in a cell-free system. In MDA-MB-231 cell, AT-406 induces rapid cellular cIAP1 degradation and also pulls down the cellular XIAP protein. AT-406 effectively inhibits lots of human cancer cell lines and shows IC50 of 144 and 142 nM in MDA-MB-231 cell and SK-OV-3 ovarian cell, with low toxicity against normal-like human breast epithelial MCF-12F cells and primary human normal prostate epithelial cells. AT-406 induces apoptosis in MDA-MB-231 cell by inducing activation of caspase-3 and cleavage of PARP.
体内研究
AT-406 has good pharmacokinetic (PK) properties and oral bioavailability in mice, rats, non-human primates, and dogs. In the MDA-MB-231 xenograft, AT-406 effectively induces cIAP1 degradation and processing of procaspase-8, cleavage of PARP in tumor tissues at 100 mg/kg with well toleration even at 200 mg/kg. AT-406 induces significant tumor growth inhibition with p of 0.0012 at 100 mg/kg.
溶解性
DMSO 100 mg/mL,水 <1 mg/mL,乙醇 100 mg/mL
稳定性
2年 -20°C粉状,6月-80°C溶于DMSO

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