PF-04691502是高效选择性PI3K/mTOR (FRAP)双重抑制剂,抑制Akt T308 (IC50 = 7.5 nM)和Akt S473 (IC50 = 3.8 nM)的磷酸化。 PI3Ks是参与细胞功能的酶家族,如细胞生长、增殖、分化、运动、存活和胞内运输,从而也参与癌症。PI3Ks的功能大多与1类PI3K 在PI3K/AKT/mTOR通路中激活蛋白激酶B (PKB,亦称Akt)相关,此信号通路与细胞静止、增殖、癌症和永生直接相关。此通路中有诸多有价值的抗癌药物治疗靶点。p110δ和p110γ亚型调节免疫应答的不同方面。 PF-04691502是一种有潜能的药物,由荧光偏振激酶试验、细胞、小鼠和其他动物试验得出PF-04691502的功能为抑制PI3K/AKT/mTOR通路中的1类PI3K和mTOR,此外,由此抑制作用,PF-04691502能抑制肿瘤。PF-04691502短时间处理能显著抑制PI3K,而对mTOR的抑制作用需要持续24-48小时。PF-04691502诱导细胞周期G1期停滞,伴随p27 Kip1的上调和Rb的下调。PF-04691502的抗肿瘤活性已在U87 (PTEN null)、SKOV3 (PIK3CA 突变)、耐gefitinib和erlotinib的非小细胞肺癌异种移植物中观察到。PF-04691502在第七天抑制肿瘤生长达到72%。FDG-PET成像表明PF-04691502显著降低葡萄糖代谢。PF-04691502处理也能显著抑制PI3K/mTOR通路活性的组织标志物p-AKT (S473)和p-RPS6 (S240/244)。
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PF-04691502
CAS number:1013101-36-4 molecular formula:C22H27N5O4
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| Chinese alias | - | ||
| English alias | BDBM50380313 | NSC760536 | NSC-760536 | PF04691502 | PF-04691502 | SMR004702782 | PHENTERMINE (MART.) | 2-Amino-8-[trans-4-(2-hydroxyethoxy)cyclohexyl]-6-(6-methoxy-3-pyridinyl)-4-methyl-pyrido[2,3-d]pyrimidin-7(8H)-one | BPBio1_000156 | Phenol Red, JIS s | ||
| CAS number | 1013101-36-4 | molecular formula | C22H27N5O4 |
| molecular weight | 425.48 g/mol | Exact mass | - |
| PSA | 124.000 Ų | logp | 1.6 |
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