敏感性 | 对光敏感 |
存贮条件 | 储存温度 -20°C ,避光保存 |
密度 | 1.1360 |
应用 | ( - )-埃博霉素B是一种微管(MT)的稳定药物,来自于天然粘细菌Sorangium cellulosum,是大环内酯类抗肿瘤因子。EpoB与EpoA相似的生物学特性。然而,在有效对抗P -糖蛋白表达多药耐药(MDR)细胞(IC50 = 2 nM for MDR CCRF-CEM/VBL100 cells),EpoB药效10倍于EpoA。( - )-埃博霉素B类似于紫杉醇,并在细胞生长中可替代紫杉醇。 EpoB导致细胞周期停滞(IC50 = 3.5 nM).。 |
生化机理 |
Epothilone B (EPO906, Patupilone) is a Taxol-like microtubule-stabilizing agent with EC0.01 of 1.8 μM. Epothilone B, microtubule stabilization agent that promotes tubulin polymerization and induces G2-M cell cycle arrest (EC50 = 3 - 92 nM). Epothilone B potently inhibits a variety of human cancer cell lines (IC50 values are 0.13 - 0.64 nM), including MDR cells overexpressing the P-glycoprotein efflux pump. Epothilone B exhibits potent anticancer activity in numerous human tumor xenografts in vivo. |
别名 | 埃博霉素B;EPO906 EpoB Patupilone |