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Plinabulin (NPI-2358) 是一种抗微管蛋白解聚肿瘤细胞的血管破坏剂,选择性地靶向并结合到微管蛋白的秋水仙碱结合位点,从而中断微管动力学的平衡。它对人肿瘤细胞系具有抑制作用,对 HT-29 细胞系的IC50值为 9.8 nM。
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Plinabulin (NPI-2358) 是一种抗微管蛋白解聚肿瘤细胞的血管破坏剂,选择性地靶向并结合到微管蛋白的秋水仙碱结合位点,从而中断微管动力学的平衡。它对人肿瘤细胞系具有抑制作用,对 HT-29 细胞系的IC50值为 9.8 nM。
规格 | 价格 | 库存 | 数量 |
---|---|---|---|
2 mg | ¥ 523 | 现货 | |
5 mg | ¥ 987 | 现货 | |
10 mg | ¥ 1,950 | 现货 | |
25 mg | ¥ 3,290 | 现货 | |
50 mg | ¥ 4,720 | 现货 | |
100 mg | ¥ 6,590 | 现货 | |
200 mg | ¥ 8,880 | 期货 | |
1 mL x 10 mM (in DMSO) | ¥ 1,110 | 现货 |
产品描述 | Plinabulin (NPI-2358) (NPI-2358) is a vascular disrupting agent (VDA) against tubulin-depolymerizing tumor cells ( IC50: 9.8-18 nM). Plinabulin selectively targets and binds to the colchicine-binding site of tubulin, thereby interrupting equilibrium of microtubule dynamics. This disrupts mitotic spindle assembly leading to cell cycle arrest at M phase and blockage of cell division. |
靶点活性 | Tubulin:9.8 nM-18 nM |
体外活性 | NPI-2358时间和剂量依赖性地诱导肿瘤灌注降低.在携带人浆细胞移植瘤的鼠中,NPI-2358(7.5 mg/kg)可抑制肿瘤生长.与对C3H肿瘤的效果相比,NPI-2358对KHT肉瘤的作用更好,辐射处理可以增强对两种肿瘤的抗癌活性. |
体内活性 | 在人脐静脉内皮细胞中,NPI-2358(20 nM)可快速诱导微管蛋白解聚,并透过单细胞层。NPI-2358可使MM细胞停在有丝分裂早期,并诱导细胞死亡。NPI-2358与微管蛋白的秋水仙素结合位点结合,可有效抑制过量表达Pgp的人肿瘤细胞系,或使核Topo II催化活性降低(IC50:9.8-18 nM)。NPI-2358也还抑制微管形成及内皮细胞和MM细胞的迁移,造成肿瘤脉管系统功能失常。NPI-2358对有丝分裂停滞或MM细胞死亡具有诱导作用,但通过阻断JNK通路可使该作用失活。 |
细胞实验 | The adherent cells are plated in 96-well flat-bottomed plates and allowed to attach for 24 hours at 37 °C. HL-60 and HL-60/MX2 cells are plated in 96-well plates on the day of NPI-2358 addition. Serially diluted NPI-2358 is added to cells at concentrations ranging from 2 pM to 20 μM. Cells treated with a final concentration of 0.25% (v/v) DMSO serves as the vehicle control. Cell viability is assessed 48 hours later by measuring the reduction of resazurin with a fluorimeter. The IC50 value is calculated.(Only for Reference) |
别名 | 普那布林, NPI-2358 |
分子量 | 336.39 |
分子式 | C19H20N4O2 |
CAS No. | 714272-27-2 |
Smiles | CC(C)(C)c1[nH]cnc1C=c1[nH]c(=O)c(=Cc2ccccc2)[nH]c1=O |
密度 | 1.267 g/cm3 |
存储 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | |||||||||||||||||||||||||||||||||||
溶解度信息 | DMSO: 50 mg/mL (148.6 mM) Ethanol: < 1 mg/mL (insoluble or slightly soluble) H2O: < 1 mg/mL (insoluble or slightly soluble) | |||||||||||||||||||||||||||||||||||
溶液配制表 | ||||||||||||||||||||||||||||||||||||
DMSO
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