Tanespimycin (17-AAG, CP127374, NSC-330507, KOS 953) 是一种有效的HSP90抑制剂，无细胞试验中IC50为5 nM，作用于来自肿瘤细胞的HSP90比作用于来自正常细胞HSP90结合亲和力高100倍。Tanespimycin (17-AAG)可诱导细胞凋亡、坏死、自噬和线粒体自噬。Phase 3。
| CAS No. | 75747-14-7 |
| 生物活性 | Tanespimycin (17-AAG) is a potent HSP90 inhibitor with an IC50 of 5 nM, having a 100-fold higher binding affinity for tumour cell derived HSP90 than normal cell derived HSP90. Tanespimycin depletes cellular STK38/NDR1 and reduces STK38 kinase activity. Tanespimycin also downregulates the stk38 gene expression. |
| 分子式 | C31H43N3O8 |
| 分子量 | 585.69 |
| 运输条件 | Room temperature in continental US; may vary elsewhere. |
| 储存条件 | Powder, -20°C ,3 years |
| 溶解性数据 | DMSO : 50 mg/mL (85.37 mM; Need ultrasonic) |
| 体内研究 | Tanespimycin (25-200 mg/kg, i.p.) causes a dose-dependent decline in AR, HER2, and Akt expression in prostate cancer xenografts. Tanespimycin treatment at doses sufficient to induce AR, HER2, and Akt degradation results in the dose-dependent inhibition of androgen-dependent and -independent prostate cancer xenograft growth without toxicity.Tanespimycin (60 mg/kg) with Rapamycin (30 mg/kg) inhibits A549 and MDA-MB-231 tumor growth and effects tumor cures in MDA-MB-231 tumor-bearing animals by tail vein injection. |
| 体外研究 | Tanespimycin causes the degradation of HER2, Akt, and both mutant and wild-type AR and the retinoblastoma-dependent G1 growth arrest of prostate cancer cells. Tanespimycin inhibits prostate cancer cell lines with IC50s ranged from 25-45 nM (LNCaP, 25 nM; LAPC-4, 40 nM; DU-145, 45 nM; and PC-3, 25 nM).Tanespimycin (0.1-1 μM) induces a nearly complete loss of ErbB2 on ErbB2-overexpressing breast cancer cells. Tanespimycin inhibits cell growth and induces G2/M cell cycle arrest and apoptosis in CCA cells together with the down-regulation of Bcl-2, Survivin and Cyclin B1, and the up-regulation of cleaved PARP. |
| 纯度及产品资料 | 98% |
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