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Chemical Structure| 1229705-06-9 同义名 : RG7388;Ro 5503781
CAS号 : 1229705-06-9
货号 : A124368
分子式 : C31H29Cl2F2N3O4
纯度 : 99%+
分子量 : 616.482
MDL号 : MFCD26142931
存储条件:

粉末 Keep in dark place,Sealed in dry,2-8°C

液体 -20°C:3-6个月-80°C:12个月

溶解度 :

DMSO: 45 mg/mL(72.99 mM),注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO

动物实验配方:

IP 2% DMSO+2% Tween80+40% PEG300+water 1 mg/mL clear

PO 0.5% CMC-Na 60 mg/mL suspension

生物活性
描述 Tumor suppressor p53 is a powerful growth suppressive and pro-apoptotic protein that plays a central role in protectionfrom tumor development. The overproduction of MDM2, the primary negative regulator of p53, effectively disables p53 function. RG7388, a potent and selective MDM2 antagonist, inhibits p53-MDM2 interaction with an IC50 value of 6 nM. RG7388 induced dose-dependent p53 stabilization, cell cycle arrest, and apoptosis in cancer cells expressing wild-type p53, consistent with a nongenotoxic p53 activation mechanism[2]. In the MDM2-amplified SJSA1 osteosarcoma cell line, a significant apoptotic response over the control was induced with both the single 300 nmol/L and 1.8 μmol/L concentrations of RG7388 for 16 hours (P < 0.005), with the 1.8 μmol/L concentration providing optimal response. In SJSA osteosarcoma xenograft-bearing mice, the once-daily dose of 30 mg/kg of RG7388 (total 210 mg/kg/wk) seemed to be the most effective dose at inhibiting tumor growth (>100% TGI with 9 partial regressions), the 50 mg/kg of RG7388 given twice a week (total 100 mg/kg/wk) was equivalent by statistical analysis (96% TGI with 3 partial regressions; P > 0.05) [1]. It also achieved 88% tumor growth inhibition against established human SJSA1 osterosarcoma xenografts in nude mice at a dose of 12.5 mg/kg[2].
细胞研究
细胞系 浓度 检测类型 检测时间 活动说明 数据源
HCT116 cells Cytotoxic assay Cytotoxicity against human HCT116 cells expressing wild type p53 assessed as growth inhibition by MTT assay, IC50=0.01 μM 23808545
MDA-MB-435 cells Cytotoxic assay Cytotoxicity against human MDA-MB-435 cells expressing p53 mutant assessed as growth inhibition by MTT assay, IC50=9.1 μM 23808545
RKO cells Cytotoxic assay Cytotoxicity against human RKO cells expressing wild type p53 assessed as growth inhibition by MTT assay, IC50=0.07 μM 23808545
实验方案
1mg 5mg 10mg

1 mM

5 mM

10 mM

1.62mL

0.32mL

0.16mL

8.11mL

1.62mL

0.81mL

16.22mL

3.24mL

1.62mL