生物活性
AZD7762盐酸盐是一种有效的，选择性的Chk1抑制剂，IC50为5 nM。对Chk2的抑制性与Chk1相近，但对CAM，Yes，Fyn，Lyn，Hck和Lck的抑制性较弱。AZD7762是Chk1选择性抑制剂, 通过与Chk1的ATP结合位点可逆结合而抑制cdc25C肽段的Chk1磷酸化，IC50 为5 nM，Ki为 3.6 nM。AZD7762诱导细胞周期停滞，EC50为0.620 μM, 且通过阻断cdc25A依赖chk1的降解 和Cyclin A的激活，显著废除Camptothecin诱导的G2期停滞，EC50为10 nM。AZD7762 作用于多种携带p53野生型，p53突变型，MDM2增添，或p14 缺失的神经母细胞瘤细胞系，IC50为82.6 nM 到505.9 nM。AZD7762 按25 mg/kg剂量单独作用于携带H460-DNp53移植瘤的小鼠和携带SW620移植瘤的小鼠，显示很弱的抗癌活性,但是和Gemcitabine(60 mg/kg)联用处理这两种携带移植瘤的小鼠，则具有强抗癌活性。
化学数据
| 分子量 | 398.88 |
| 分子式 | C17H19FN4O2S.HCl |
| CAS号 | 1246094-78-9 |
| 纯度 | 100.00% |
| 溶解性（25°C） | DMSO 15 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 | SW620 and MDA-MB-231 cells line |
| 方法 | Potentiation Assays.
SW620 (5.5 × 103 per well) or MDA-MB-231 (5 × 103 per well) cells were seeded in 96-well plates and incubated overnight. Cells were dosed for 24 h with a 9-point titration of gemcitabine ranging from 0.01 to 100 nmol/L with or without a constant dose of AZD7762 (300 nmol/L). Control wells were dosed with vehicle alone (0.1% DMSO) or 300 nmol/L AZD7762. After 24 h, medium was removed and AZD7762 alone was added back to the wells treated previously with AZD7762 for an additional 24 h. Cells were then incubated in drug-free medium for an additional 72 h. The effect on cell proliferation was determined by 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethophenyl)-2-(4-sulfophenyl)-2H-tetrazolium, inner salt assay as recommended by the supplier (Promega). The same experimental procedure was used for topotecan combinations (topoisomerase I inhibitor, analogue of camptothecin) except an 11-point titration of topotecan ranging from 0.1 nmol/L to 30 μmol/L was used. Net growth was calculated (AT120 - AT0 / predose) × 100 and plotted versus concentration of chemotherapy in the presence and absence of AZD7762. IC50 values were calculated by concentration-response fitting using four-variable logistical equations (Sigmoidal fit) within Origin Pro. |
| 浓度 | 0.01 ~ 100 nmol/L |
| 处理时间 | 48 h |
| 动物实验 |
|---|
| 动物模型 | Xenograft Models in Mice |
| 配制 | 11.3% hydroxyproplyl-β-cyclodextrin |
| 剂量 | 50~100mg/kg every 3 days |
| 给药处理 | i.v. |
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 | 2.507 mL | 12.5351 mL | 25.0702 mL |
| 5 mM | 0.5014 mL | 2.507 mL | 5.014 mL |
| 10 mM | 0.2507 mL | 1.2535 mL | 2.507 mL |
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