产品描述: XL147 analogue is a selective and reversible class I PI3K inhibitor for PI3Kα/δ/γ. |
靶点:
Apoptosis;DNA-PK;PI3K;PI3K |
体内研究:
XL147浓度为20 μM时诱导细胞死亡。用XL147处理导致PI3K的剂量依赖性抑制。抑制细胞凋亡的同时,XL147诱导细胞周期蛋白D1和pRB的减少和CDK抑制剂p27KIPI水平的增加,但是在总的或切割的多聚(ADP-核糖)聚合酶(PARP)上水平没有可检测到的变化。用XL147处理,导致pAKTS473/T308和pS6S240/244的剂量依赖性减少。XL147是选择性的可逆PI3K抑制剂,作用于p110α时IC50为40 nM。XL147抑制PI3K亚型,是ATP竞争性抑制剂。在一组HER2过表达人乳腺癌细胞系中,用XL147处理消除AKT和S6磷酸化,但也诱导HER??3和其他RTK的表达和磷酸化。在HER2 +细胞中,用siRNA抑制HER3或用HER2抑制剂曲妥珠单抗或拉帕替尼共处理可增强XL147诱导的细胞死亡和对pAKT和pS6的抑制作用 |
细胞实验:
Cells including BT474, HCC1937 et al. are seeded in 100-mm dishes in media containing 2.5% FBS with or without XL147. After 3 days, detached and adherent cells are pooled, xed, and labeled with propidium iodide by using the APO-BrdU kit. Labeled cells are analyzed using the Becton Dickinson FACSCalibur system. (Only for Reference) |
参考文献:
1.2010 ASCO Annual Meeting 2.Chakrabarty A, et al. Proc Natl Acad Sci U S A, 2011, 1-6. |
溶解性:
DMSO:22.45 mg/mL(50.1 mM) Ethanol:<1 mg/mL H2O:<1 mg/mL |
保存条件:
-20℃ |
配置溶液浓度参考:
|
1mg |
5mg |
10mg |
1 mM |
2.23 ml |
11.148 ml |
22.296 ml |
5 mM |
0.446 ml |
2.23 ml |
4.459 ml |
10 mM |
0.223 ml |
1.115 ml |
2.23 ml |
50 mM |
0.045 ml |
0.223 ml |
0.446 ml |
|
注意: |
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