Birinapant是一种类似SMAC的抑制剂,对cIAP1最有效,无细胞试验中Kd值小于1 nM,对XIAP的作用较弱。Phase 2研究显示,Birinapant可帮助诱导HIV-1感染的细胞凋亡。
体外研究Birinapant与XIAP和CIAP1结合的Kd值分别为45 nM和小于1 nM。在TRAIL不敏感的SUM190(ErbB2过度表达)细胞中,Birinapant单独诱导细胞死亡(IC50约为300 nM),并显著增加TRAIL诱导的TRAIL敏感SUM149(三阴性,EGFR活化)细胞的凋亡。Birinapant导致CIAP1迅速降解,caspase活化,PARP裂解,和NF-κB的激活。此外,与TNF-α联用表现出强烈的体外抗黑素瘤作用。具体而言,Birinapant和TNF-α(1 ng/mL)联用抑制人黑素瘤细胞系WTH202、WM793B、WM1366和WM164生长,IC50分别为1.8、2.5、7.9和9 nM。在单药治疗中,Birinapant对WM9细胞增殖的抑制作用显著(IC50为2.4 nM)。Birinapant显著抑制这些细胞系中靶蛋白CIAP1和cIAP2。
体内研究Birinapant(30毫克/千克)显著诱导恶性黑色素瘤异种移植模型451LU的肿瘤生长。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2-(6-fluoro-1H-indole-3-carbonyl)-4-hydroxypyrrolidine-1-carboxylic acid benzyl ester | 1174655-35-6 | C21H19FN2O4 | 382.391 |
—— | 2-(6-fluoro-1H-indole-3-carbonyl)-4-hydroxypyrrolidine-1-carboxylic acid benzyl ester | 1174655-38-9 | C21H19FN2O4 | 382.391 |
—— | 4-(tert-butyldimethylsilanyloxy)-2-(6-fluoro-1H-indole-3-carbonyl)pyrrolidine-1-carboxylic acid benzyl ester | 1174655-34-5 | C27H33FN2O4Si | 496.654 |
—— | 2-(6-fluoro-1H-indole-3-carbonyl)-4-(4-nitrobenzoyloxy)pyrrolidine-1-carboxylic acid benzyl ester | 1174655-37-8 | C28H22FN3O7 | 531.497 |
—— | [2R-(6-fluoro-1H-indol-3-ylmethyl)-4S-hydroxypyrrolidin-1-yl]carboxylic acid benzyl ester | 1260251-22-6 | C21H21FN2O3 | 368.408 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | N-{1S-[2R-(6,6'-difluoro-3S-hydroxy-3'-{4S-hydroxy-1-[2S-(2S-methylaminopropionylamino)butyryl]pyrrolidin-2R-ylmethyl}-3H,1'H-[2,2']biindolyl-3-ylmethyl)-4S-hydroxypyrrolidine-1-carbonyl]propyl}-2S-methylaminopropionamide | —— | C42H56F2N8O7 | 822.953 |
—— | N-{1S-[2R-(6,6'-difluoro-3R-hydroxy-3'-{4S-hydroxy-1-[2S-(2S-methylaminopropionylamino)butyryl]pyrrolidin-2R-ylmethyl}-3H,1'H-[2,2']biindolyl-3-ylmethyl)-4S-hydroxypyrrolidine-1-carbonyl]propyl}-2S-methylaminopropionamide | —— | C42H56F2N8O7 | 822.953 |
—— | N-{1S-[2R-(6,6'-difluoro-2'-{4S-hydroxy-1-[2-(2-methylaminopropionylamino)butyryl]pyrrolidin-2R-ylmethyl}-3'-oxo-2'R,3'-dihydro-1H,1'H-[2,2']biindolyl-3-ylmethyl)-4S-hydroxy-pyrrolidine-1-carbonyl]propyl}-2S-methylaminopropionamide | —— | C42H56F2N8O7 | 822.953 |
—— | N-{1S-[2R-(6,6'-difluoro-2'-{4S-hydroxy-1-[2-(2-methylaminopropionylamino)butyryl]pyrrolidin-2R-ylmethyl}-3'-oxo-2'S,3'-dihydro-1H,1'H-[2,2']biindolyl-3-ylmethyl)-4S-hydroxypyrrolidine-1-carbonyl]propyl}-2S-methylaminopropionamide | —— | C42H56F2N8O7 | 822.953 |