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| 活性类型 | 活性值-log(M) | 作用机制 | 期刊 | 参考文献(PubMed IDs) |
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Information
SKLB4771 (FLT3-IN-1) SKLB4771 is a potent and selective inhibitor of human receptor-type tyrosine-protein kinase FLT3 with IC50 of 10 nM.
Targets
FLT3 (Cell-free assay) 10 nM
In vitro
SKLB4771 just weakly inhibits Aurora A, FMS, FLT4, and c-Kit (IC50s: 1.5 μM, 2.8 μM, 3.7 μM, and 6.8 μM, respectively). SKLB4771 displays almost no inhibitory activity against the other 13 selected protein kinases. SKLB4771 potently inhibits the growth of MV4-11 cells that express FLT3-ITD, with an IC50 value of 0.006 μM. SKLB4771 just exhibits very weak inhibitory activity against human T lymphoma Jurkat cells, human Burkitt’s lymphoma Ramos cells, human lung cancer PC-9 and H292 cells, and human epithelial carcinoma A431 cells (IC50: 3.05 μM, 6.25 μM, 3.72 μM, 6.94 μM, and 8.91 μM, respectively)..
In vivo
Treatment with SKLB4771 at 100 mg/ kg/d results in rapid and complete tumor regression in all mice of this group in the MV4-11 xenograft model. SKLB4771 treatment at 20 mg/kg/d and 40 mg/kg/d significantly slows down the tumor growth, the tumor inhibition rates are 66% and 84%,respectively. Moreover, during the whole experiment, no significant weight loss or any other obvious signs of toxicity are observed for all of the SKLB4771-treated mice. The tumor tissues from the SKLB4771-treated groups show significantly fewer Ki67(tumor mitotic index)-positive cells. The TUNEL data shows an obvious increase in the percentage of apoptotic cells in a time-dependent manner.
Cell Research(from reference)
Cell lines:MV4−11, K562, U937, Jurkat, Ramos, Karpas299, HCC827, A549, H2228, H820, PC-9, H292, MDA-MB-231, BT474, MCF-7, HCT116, SW480, LoVo, HeLa, SKOV-3, SK, DU145, PC-3, A431, SH-SY5Y
Concentrations:increasing concentrations
Incubation Time:72 h
分类树(Taxonomy Tree)
| 界(kingdom) | 有机化合物 |
|---|---|
| 超类(Superclass) | 有机硫化合物 |
| 类(Class) | 硫醚 |
| 亚类(Subclass) | 芳基硫醚 |
| 中间层级节点(Intermediate Tree Nodes) | 暂无 |
| 直接上位类(Direct Parent) | 二芳基硫醚 |
| 其他上位类(Alternative Parents) | 喹唑啉 N-苯脲类 1,3,4-噻二唑-2-基脲 酚醚 甲苯 烷基芳基醚 嘧啶和嘧啶衍生物 吗啉 杂芳族化合物 尿素 三烷基胺 亚磺酰基化合物 氧环化合物 氮杂环化合物 二烷基醚 羰基化合物 有机氧化物 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) | 1,3,4-噻二唑-2-基脲 - 芳基醚 - 氨基酸 - 芳香族杂多环化合物 - 氮杂环 - 吡唑 - 苯基化合物 - 羰基 - 二烷基醚 - 二芳基硫醚 - 乙醚 - 杂芳香族化合物 - 烃衍生物 - 单环苯基基团 - Morpholine - N-吡咯烷酮 - 有机硝基化合物 - 有机氧化物 - 有机氧化合物 - 有机杂环化合物 - 有机氮化合物 - 有机氧化合物 - 氧杂环 - 氧杂吡嗪烷 - 苯酚醚 - 嘧啶 - 萘啶 - 硫酰基化合物 - 三元脂肪胺 - 三芳基胺 - 噻二唑 - 甲苯 - 脲 |
| 描述(Description) | 该化合物属于二芳基硫醚类有机化合物。这类有机硫化合物含有被两个芳基取代的硫醚基团。 |
| 外部描述符(External Descriptors) | 暂无 |
| ALogP | 4.112 |
|---|---|
| HBD Count | 2 |
| Rotatable Bond | 9 |
| 作用机制 | Action Type | target ID | Target Name | Target Type | Target Organism | Binding Site Name | 参考文献 |
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