(GDC-0973, RG7420)是一种有效的高选择性MEK1抑制剂,IC50 为 4.2 nM。其对MEK1的选择性比对MEK2高100倍以上,对其他很多丝氨酸-苏氨酸和酪氨酸激酶没有显著抑制作用。Cobimetinib 可诱导凋亡。 Cobimetinib是丝裂原活化蛋白激酶激酶(MEK)选择性抑制剂,其IC50值为0.9 nM。 MEK是一种激酶,选择性磷酸化丝氨酸/苏氨酸和酪氨酸残基,并参与丝裂原活化蛋白激酶(MAPK)信号转导通路,从而调控细胞增殖、存活、分化、移动和血管生成。 在同时携带KRAS G13D和B-RAF G464V突变的MDA-MB-231T乳腺癌细胞中,Cobimetinib抑制MEK,其IC50值为0.2 nM。在药代动力学-药效学(PK-PD)模型中, Cobimetinib在肿瘤内的停留时间比在血浆中更长,显示出持续的持续的肿瘤药效学应答。 在WM-266-4异种移植小鼠中,Cobimetinib可以减少肿瘤中的pERK,其IC50值分别为0.78 mM(WM-266-4)和0.52 mM。此外,Cobimetinib(3.89 mM)增加WM-266-4小鼠的IC50值。在A375异种移植物小鼠中,Cobimetinib(0.3 ~ 30 mg/kg)呈剂量依赖性地抑制肿瘤。目前,Cobimetinib作为一种潜在的抗肿瘤剂,正处于I期临床试验。
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Cobimetinib
CAS number:934660-93-2 molecular formula:C21H21F3IN3O2
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| Chinese alias | - | ||
| English alias | Cobimetinib [USAN:INN] | Cobimetinib [USAN] | MEK Inhibitor GDC-0973 | Q15708292 | [3,4-difluoro-2-(2-fluoro-4-iodoanilino)phenyl]-[3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl]methanone | [3,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)-phenyl]-((s)-3-hyd | ||
| CAS number | 934660-93-2 | molecular formula | C21H21F3IN3O2 |
| molecular weight | 531.31 g/mol | Exact mass | - |
| PSA | 64.599 Ų | logp | 3.900 |
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