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|---|
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Information
MX69 MX69 is a MDM2/XIAP inhibitor that binds to MDM2 RING protein with binding Kd values of 2.34 μM. It is used for cancer treatment.
Targets
Mdm2 (Cell-free assay) 2.34 μM(Kd)
In vitro
MX69 inhibits expression of both MDM2 and XIAP in a time- and dose-dependent manner. MX69 induces ubiquitination of endogenous MDM2 in cancer cells. Downregulation of MDM2 by MX69 is through induction of MDM2 self-ubiquitination and degradation. Half-life of MDM2 in control-treated EU-1 cells is greater than 90 min, whereas MX69 treatment decreases the MDM2 half-life to <30 min. In SK-N-SH cells with stably transfected either wild-type (WT)-MDM2 or mutant MDM2-C464A, Treatment with MX69 significantly inhibits expression and increased the turnover of WT-MDM2 but not MDM2-C464A. MX69 significantly enhances the p53 half-life in WT-MDM2 but not mutant MDM2-C464A-transfected SK-N-SH cells. p53 is stabilized and accumulates in MX69-treated cells. MX69-mediated inhibition of XIAP is MDM2 dependent. Treatment of MX69 activates caspases 3, 7, and 9 as well as the cleavage of the death substrate PARP. MX69 also exhibits a significant cytotoxic effect on both ALL and NB lines(cancer cell lines), particularly those lines with MDM2 overexpression and a WTp53 phenotype. MX69-induced cell death is indeed due to apoptosis. MX69-induced cell apoptosis and death are dependent on MDM2, p53, and XIAP expression. MX69 shows minimal inhibitory effect on normal human bone marrow in vitro.
In vivo
MX69 has significant apoptotic and anti-proliferative effects on MDM2-expressing cancer cells in vivo. MX69 is well tolerated in animals due to the fact that normal cells/tissues express little or no MDM2. No evidence of toxicity after treatment with MX69 at the 100 mg/kg dose. MDM2-specific agent MX69 should not activate either on-target (e.g., p53 induction) or off-target signaling pathways in normal cells. Thus, specific MDM2 inhibitors such as MX69 may be excellent candidates for targeted therapy of refractory cancers expressing high levels of MDM2.
Cell Research(from reference)
Cell lines:six ALL cell lines (EU-1, EU-3, EU-6, EU-8, SUP-B13, and UOC-B1) and six NB cell lines (NB-1691, NB-1643, SH-EP1, IMR-32, SK-NSH, and LA1-55N)
Concentrations:0-10 μM
Incubation Time: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) | 喹啉及其衍生物 |
| 亚类(Subclass) | 苯基喹啉 |
| 中间层级节点(Intermediate Tree Nodes) | 暂无 |
| 直接上位类(Direct Parent) | 苯基喹啉 |
| 其他上位类(Alternative Parents) | 氢化喹啉 磺胺类 苯甲酸 邻二甲苯 苯甲酰衍生物 芳烷基胺 仲烷基芳胺 有机磺酰胺 氨基磺酰基化合物 氨基酸 一元羧酸及其衍生物 羧酸 氮杂环化合物 有机光子化合物 有机氧化合物 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) | 氨基酸 - 氨基酸 - 氨基酸或其衍生物 - 氨基磺酰基化合物 - 芳烷基胺 - 芳香族杂多环化合物 - 氮杂环 - 苯基化合物 - 苯甲酸 - 苯甲酸或衍生物 - 苯甲酰 - 羧酰胺基 - 羧酸衍生物 - 烃衍生物 - 单羧酸或其衍生物 - 单环苯基基团 - O-甲苯胺 - 有机硝基化合物 - 有机氧化物 - 有机氧化合物 - 有机磺酸或其衍生物 - 有机氮化合物 - 有机氧化合物 - 有机氮化合物 - 有机硫酰胺 - 有机磺酸或其衍生物 - 有机硫化合物 - 苯基吡啶 - 二级脂肪族/芳香族胺 - 醛基 - 磺胺嘧啶 - 磺酰基 - 四氢喹啉 - 二甲苯 |
| 描述(Description) | 该化合物属于苯基喹啉类有机化合物。这类杂环化合物含有被苯基取代的喹啉结构单元。 |
| 外部描述符(External Descriptors) | 暂无 |
| ALogP | 5.082 |
|---|---|
| hba_count | 3 |
| HBD Count | 2 |
| Rotatable Bond | 5 |
| 作用机制 | Action Type | target ID | Target Name | Target Type | Target Organism | Binding Site Name | 参考文献 |
|---|
H302: 吞食有害
H315: 引起皮肤刺激
H319: 引起严重眼睛刺激
H335: 可能引起呼吸道刺激
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾
P305+P351+P338: 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。