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Siremadlin  ≥98%

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包装规格：1mg 5mg 10mg 25mg 50mg 100mg in glass bottle
产品简介：一种口服有效的选择性p53-MDM2抑制剂。
溶解性：DMSO :≥ 56.75 mg/mL(102.18 mM; 吸湿的 DMSO 对产品的溶解度有显著影响，请使用新开封的DMSO)
储备液保存：-80°C, 2 years -20°C, 1 year
体内实验：1、请依序添加每种溶剂：10% DMSO→40% PEG300→5% Tween-80→45% Saline Solubility: ≥ 2.5 mg/mL (4.50 mM); 澄清溶液 此方案可获得 ≥ 2.5 mg/mL（饱和度未知）的澄清溶液。 以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；再向上述体系中加入 50 μL Tween-80，混合均匀；然后再继续加入 450 μL 生理盐水 定容至 1 mL。 2、请依序添加每种溶剂：10% DMSO→90% Corn Oil Solubility: ≥ 2.5 mg/mL (4.50 mM); 澄清溶液 此方案可获得 ≥ 2.5 mg/mL（饱和度未知）的澄清溶液，此方案实验周期在半个月以上的动物实验酌情使用。 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。 3、请依序添加每种溶剂：5% DMSO→40% PEG300→5% Tween-80→50% Saline Solubility: ≥ 2.5 mg/mL (4.50 mM); 澄清溶液 ＜1mg/ml表示微溶或不溶。 普西唐提供的所有化合物浓度为内部测试所得，实际溶液度可能与公布值有所偏差，属于正常的批间细微差异现象。 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；⼀旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
靶点：p53-MDM2 interaction
体外研究：Siremadlin (NVP-HDM201) disrupts both human and murine TP53-MDM2 interactions, with nanomolar cellular IC50 values, blocking TP53 degradation.
体内研究：Siremadlin (NVP-HDM201) is an imidazolopyrrolidinone analogue, showing a very advantageous in vivo profile. NVP-HDM201 has recently entered Phase 1 clinical trials in cancer patients. Constitutive PB mutagenesis in Arf−/− mice provides a collection of spontaneous tumors with characterized insertional genetic landscapes. Tumors are allografted in large cohorts of mice to assess the pharmacologic effects of Siremadlin (NVP-HDM201). Sixteen out of 21 allograft models are sensitive to Siremadlin (NVP-HDM201) but ultimately relapse under treatment. A comparison of tumors with acquired resistance to Siremadlin (NVP-HDM201) and untreated tumors identified 87 genes that are differentially and significantly targeted by the PB transposon. Siremadlin (NVP-HDM201) administered either daily at a low dose or once at a high dose revealed a differentiated engagement of the p53 molecular response. In contrast to the daily low dose treatment regimen, the single high dose Siremadlin (NVP-HDM201) regimen results in a rapid and dramatic induction of p53-dependent PUMA expression and apoptosis. This is consistent with the finding that a single high dose Siremadlin (NVP-HDM201) treatment, administered orally or intravenously, results in a robust and sustained tumor regression. Overall, both daily and once every 3 weeks dosing regimen shows comparable long term efficacy in preclinical studies. The ongoing clinical trial is currently designed to compare both dosing regimens with regard to efficacy and tolerability.
保存条件：-20°C
注意事项：1、为了您的安全和健康，请穿实验服并戴一次性手套操作。 2、以上信息仅做参考交流之用。

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