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Datasheet of 17-AAG
Description: 17-AAG(NSC 330507; CP 127374) is a potent HSP90 inhibitor with IC50 of 5 nM, having a 100-fold higher binding affinity for HSP90 derived from tumour cells than HSP90 from normal cells. in vitro: 17-AAG, an analog of geldanamycin, exhibits greater than 100 times higher binding affinity for Hsp90 derived from HER-2-overexpressing cancer cells (BT474, N87, SKOV3 and SKBR3) or BT474 breast carcinoma cells with IC50 values of 5-6 nM. 17-AAG causes the degradation of HER2, HER3, Akt, and both mutant and wild-type androgen receptor (AR), leading to the RB-dependent G1 growth arrest of prostate cancer cells such as LNCaP, LAPC-4, DU-145, and PC-3 with IC50 values of 25-45 nM. In addition to inducing apoptosis of Ba/F3 cells transformed with wild-type BCR-ABL with an IC50 of 5.2 μM, 17-AAG has the ability to induce apoptosis of cells transformed with imatinib mesylate-resistant T315I and E255K BCR-ABL mutants with IC50 values of 2.3 μM and 1.0 μM, respectively, by inducing the degradation of both wild-type BCR-ABL protein and mutants. in vivo: 17-AAG displays significantly higher binding affinity for Hsp90 from 3T3-src, B16 or CT26 xenografts in nude mice with IC50 values of 8-35 nM as compared with that from the normal tissues with IC50 values of 200-600 nM. Administration of 17-AAG (~50 mg/kg) causes significant decline in AR, HER2, HER3, and Akt expression in a dose-dependent manner with >50% decline at dose of 50 mg/kg, resulting in the dose-dependent inhibition of androgen-dependent (CWR22) and -independent (CWR22R and CWRSA6) prostate cancer xenografts growth by 67%, 80% and 68% at dose of 50 mg/kg, respectively.
Chemical Information Catalog
DC2073
Purity of current batch:
>98%
Molecular Weight (MW)
585.69
Molecular Formula
C31H43N3O8 l
CAS No.
75747-14-7
Solubility (25°C)
DMSO
Storage
Store at -20°C (desiccating conditions).
Handling: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months. Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20째C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.