生物活性
CRT0044876 是一种强效的选择性的APE1抑制剂,其IC50约为3μM。
化学数据
| 分子量 | 206.15 |
| 分子式 | C9H6N2O4 |
| CAS号 | 6960-45-8 |
| 纯度 | 99.07% |
| 溶解性(25°C) | DMSO 30 mg/mL |
| 储存和运输条件 | 固体粉末: -20°C 冷藏长期储存 常温运输及临时存放 |
实验操作 来自于公开的文献,仅供相同实验参考(如实验材料、目的不同,请参考其他文献)
| 细胞实验 |
|---|
| 细胞系 | HT1080 fibrosarcoma cells |
| 方法 | HT1080 fibrosarcoma cells are grown in 2% RPMI medium [supplemented with penicillin 0.06 g/l, streptomycin 0.1 g/l (pH 7.0), 10% fetal bovine serum and 4 mM glutamine]. Only cells with a plating efficiency of ≥60% are used for clonogenic survival analysis. Tissue culture dishes (10 cm) are seeded with 500 cells per dish and the culture is maintained in a humidified incubator at 37°C in an atmosphere of 5% CO2 and 95% air. To evaluate the toxicity profile of putative APE1 inhibitors, various concentrations (100–500 μM) of inhibitor are added to the medium, and cultures were incubated for 7-10 days until cell colonies are formed. Colonies are fixed [75% (v/v) methanol, 25% (v/v) acetic acid] for 30 min and stained with crystal violet (1 mg/ml in distilled water) for 4 h at room temperature. Visible colonies are counted on a colony counter. |
| 浓度 | 100-500 μM |
| 处理时间 | 7-10 days |
不同实验动物依据体表面积的等效剂量转换表(数据来源于FDA指南)
| 小鼠 | 大鼠 | 兔 | 豚鼠 | 仓鼠 | 狗 |
| 重量 (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| 体表面积 (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km系数 | 3 | 6 | 12 | 8 | 5 | 20 |
| 动物 A (mg/kg) = 动物 B (mg/kg) × | 动物 B的Km系数 |
| 动物 A的Km系数 |
例如,依据体表面积折算法,将化合物用于小鼠的剂量20 mg/kg 换算成大鼠的剂量,需要将20 mg/kg 乘以小鼠的Km系数(3),再除以大鼠的Km系数(6),得到化合物用于大鼠的等效剂量为10 mg/kg。
储备液配制
以下数据基于产品分子量,对于特殊产品,请参照COA中的储备液配制条件和说明进行操作。
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|
| 1 mM | 4.8508 mL | 24.2542 mL | 48.5084 mL |
| 5 mM | 0.9702 mL | 4.8508 mL | 9.7017 mL |
| 10 mM | 0.4851 mL | 2.4254 mL | 4.8508 mL |