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Targets
CDK7 (Cell-free assay); CDK2 (Cell-free assay); CDK9 (Cell-free assay); CDK1 (Cell-free assay) 40 nM ;620 nM; 1.2 μM; 1.8 μM
In vitro
A wide range of cancer types are sensitive to CDK7 inhibition by ICEC0942 with GI50 values ranging between 0.2-0.3 µM. ICEC0942 inhibits PolII, CDK1, CDK2 and RB (retinoblastoma) phosphorylation in the MCF7 breast cancer cell line in a time and dose-sependent manner. ICEC0942 inhibits phosphorylation of CDK7 substrates and promotes cell cycle arrest and apoptosis.
In vivo
In xenografts of both breast and colorectal cancers, ICEC0942 has substantial anti-tumor effects. For pharmacokinetics, CD1 male mice are treated intravenously (IV), subcutaneously (SC) or by oral gavage (PO) with 10 mg/kg ICEC0942. In plasma, ICEC0942 levels decline in a bi-phasic manner, indicating rapid distribution into tissues. Following IV administration of ICEC0942 at 10 mg/kg in male CD1 mice Cl(plasma) is calculated at 78 ml.min/kg. Blood/plasma ratio (Bl/Pl) is 1.81. ICEC0942 has a half-life of 1.9 hrs, a moderate half-life in this species. Only a small proportion (13.5%) of ICEC0942 is metabolized after 2 and 4 hour following a single PO administration (100 mg/kg). Comparing exposure (AUCt) after single PO and IV administration at 10 mg/kg, oral bioavailability (F%) is calculated at 30%. Median Tmax for PO administration is 2 hours and is unaffected by increasing dose. Over this dose range, Cmax is linearly associated with dose, as is the total exposure over time (AUCt). In tumor-bearing mice, there is appreciable accumulation of ICEC0942 in tumors 6-hours post administration. ICEC0942 levels in tumors lag behind plasma levels.
Cell Research(from reference)
Cell lines:HCT116 cells
Concentrations:0.1, 1, 10 μM
Incubation Time:4, 8, 16, 24 h
分类树(Taxonomy Tree)
| 界(kingdom) | 有机化合物 |
|---|---|
| 超类(Superclass) | 有机杂环化合物 |
| 类(Class) | 吡唑并嘧啶 |
| 亚类(Subclass) | 吡唑并[1,5-a]嘧啶 |
| 中间层级节点(Intermediate Tree Nodes) | 暂无 |
| 直接上位类(Direct Parent) | 吡唑并[1,5-a]嘧啶 |
| 其他上位类(Alternative Parents) | 苄胺 氨基嘧啶及其衍生物 哌啶类 咪唑内酰胺类 吡唑类 杂芳族化合物 仲醇 1,2-氨基醇 二烷基胺 氮杂环化合物 盐酸盐 碳氢化合物衍生物 |
| 分子骨架(Molecular Framework) | 芳香族杂多环化合物 |
| 取代基(Substituents) | 1,2-氨基醇 - 羟基苯甲酸酯 - 氨基酸 - 氨基吡啶 - 芳香族杂多环化合物 - 氮杂环 - 吡唑 - 苯基化合物 - 苄胺 - 杂芳香族化合物 - 烃衍生物 - 氟氯烃 - 咪唑内酰胺 - 单环苯基基团 - 有机硝基化合物 - 有机氧化合物 - 有机氮化合物 - 有机氧化合物 - 哌嗪 - 吡唑 - 吡唑并[1,5-a]嘧啶 - 嘧啶 - 醛基 - 二级脂肪胺 - 醛基 |
| 描述(Description) | 该化合物属于吡唑并[1,5-a]嘧啶类有机化合物。这类芳香杂环化合物含有吡唑并[3,4-d]嘧啶环系,其结构为吡唑环与嘧啶环共用单个氮原子形成共轭体系。 |
| 外部描述符(External Descriptors) | 暂无 |
| IC50 | CDK9, IC50: 1.2 μM |
|---|