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Information
INCB057643 INCB057643 is a BET inhibitor that binds to the acetylated lysine recognition motifs found in the BRD of BET proteins, thereby preventing the interaction between the BET proteins and acetylated lysines on histones.
Targets
BET
In vitro
INCB057643 inhibits binding of BRD2/BRD3/BRD4 to an acetylated histone H4 peptide in the low nM range, and is selective against other bromodomain containing proteins. In vitro analyses show that INCB057643 inhibits proliferation of human AML, DLBCL, and multiple myeloma cell lines, with a corresponding decrease in MYC protein levels. Cell cycle analyses indicate that G1 arrest and a concentration-dependent increase in apoptosis are seen within 48 hours of treatment with INCB057643. Production of several cytokines, including IL-6, IL-10 and MIP-1α, was repressed by INCB057643 in human and mouse whole blood stimulated ex vivo with LPS. INCB057643 inhibits proliferation of prostate cancer cell lines. In short-term cell proliferation assays, INCB057643 appears more effective against androgen-dependent (VCaP and LNCaP) than androgen-independent (DU145 and PC3) cells.
In vivo
Oral administration of INCB057643 resulted in significant anti-tumor efficacy in xenograft models of AML, myeloma, and DLBCL. Treatment of mice bearing 22Rv1 tumor xenografts with INCB057643 (3 mg/kg) led to significant inhibition of tumor growth (T/C%:45%) and consistent reduction of tumor weight relative to vehicle-treated mice.
分类树(Taxonomy Tree)
| 界(kingdom) | 有机化合物 |
|---|---|
| 超类(Superclass) | 有机杂环化合物 |
| 类(Class) | 苯并噁嗪类 |
| 亚类(Subclass) | 苯并噁嗪酮 |
| 中间层级节点(Intermediate Tree Nodes) | 暂无 |
| 直接上位类(Direct Parent) | 苯并噁嗪酮 |
| 其他上位类(Alternative Parents) | 苯并吗啉 吡咯并吡啶 吡啶酮类 烷基芳基醚 苯类化合物 叔羧酸酰胺 砜类 吡咯类 杂芳族化合物 内酰胺类 氧环化合物 氮杂环化合物 有机光子化合物 有机氮化合物 有机氧化物 碳氢化合物衍生物 羰基化合物 |
| 分子骨架(Molecular Framework) | 芳香族杂多环化合物 |
| 取代基(Substituents) | 芳基醚 - 芳香族杂多环化合物 - 氮杂环 - 苯基化合物 - 苯并噻吩 - 苯并噁嗪酮 - 羰基 - 羧酰胺基 - 羧酸衍生物 - 乙醚 - 杂芳香族化合物 - 烃衍生物 - 肟 - 有机硝基化合物 - 有机氧化物 - 有机氧化合物 - 有机氮化合物 - 有机氧化合物 - 有机氮化合物 - 有机硫化合物 - 氧杂环 - 氧杂吡嗪烷 - 吡啶 - 吡啶酮 - 吡咯 - 吡咯吡嗪 - 磺酰基 - 磺酰基 - 叔羧酸酰胺 |
| 描述(Description) | 本化合物属于苯并噁嗪酮类有机化合物。该类化合物包含苯环与噁嗪环(含四个碳原子、一个氧原子及一个氮原子的六元脂肪环)共轭,且噁嗪环上带有酮基团。 |
| 外部描述符(External Descriptors) | 暂无 |
| ALogP | 1.114 |
|---|---|
| hba_count | 5 |
| HBD Count | 1 |
| Rotatable Bond | 2 |
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。