PF04929113
作者：齊岳
發(fā)布時間：2023-08-25
08:58:39
點(diǎn)擊數(shù)：
產(chǎn)品名稱：PF04929113
產(chǎn)品描述：
| 產(chǎn)品描述 | SNX-5422 is a synthetic, novel, small molecule Hsp90 Inhibitor. As an oral formulation that demonstrates strong efficacy and tolerability, SNX-5422 is positioned as a breakthrough therapy with broad applicability across a wide range of cancers. |
| 靶點(diǎn)活性 | HSP90:41 nM, HER2:37 nM |
| 體外活性 | 免疫組織化學(xué)分析表明,在用PF-04929113處理后,SP70表達(dá)增加,并降低Ki67,Akt和AR表達(dá).PF-04929113在體內(nèi)抑制人類MM細(xì)胞生長,并且免疫組織化學(xué)分析顯示PF-04929113顯著抑制處理的小鼠中的p-ERK和p-Akt.同時,PF-04929113處理顯著降低CD31+細(xì)胞和MVD百分比,與體內(nèi)血管生成的抑制作用一致.PF-04929113對腫瘤發(fā)展的抑制可能由增殖減少（Ki67和Akt表達(dá)降低）或凋亡率增加（增加的ApopTag染色）共同引起. |
| 體內(nèi)活性 | PF-04929113對Her-2穩(wěn)定性表現(xiàn)出有效的作用并導(dǎo)致預(yù)期的Hsp70上調(diào)。PF-04929113顯示針對廣泛癌癥細(xì)胞類型的有效抗增殖活性,例如,MCF-7（IC50 = 16 nM）,SW620（IC50 = 19 nM）,K562（IC50 = 23 nM）,SK-MEL-5（IC50 = 25 nM）和A375（IC50 = 51 nM）。 |
| 激酶實(shí)驗(yàn) | The Hsp90 loaded media is challenged with PF-04929113 at a given concentration, ranging from 0.8 to 500 μM, and the amount of Hsp90 liberated at each concentration is determined by Bradford protein assay. The resulting IC50 values are corrected for the ATP ligand concentration and presented as apparent Kd values. |
| 細(xì)胞實(shí)驗(yàn) | Cell lines: MCF-7,SW620,K562,SK-MEL-5 and A375 cancer cell lines. Concentrations: 0-300 nM. Method: Proliferation rates are measured by seeding cells into 96-well plates,followed by compound addition 24 h later.After addition of PF-04929113,cells are allowed to grow for either an additional 72 or 144 h depending on the rate of growth.At harvest,media is removed and DNA content for individual wells is determined using CyQuant DNA dye.Levels of Hsp90 client proteins and phosphor-regulated proteins in A375 are measured by high content analysis (HCA) using an ArrayScan 4.5 instrument after 24 hours of treatment with PF-04929113,followed by methanol fixation.After fixation in 4% PBS-buffered formalin and permeablization with 0.1% TX-100,cells are probed with anti-Her2,antiphospho-S6 (pS6),antipERK,and anti-Hsp70 primary antibodies,followed by TRITC or FITC conjugated secondary antibodies.Nuclei are also stained with Hoechst DNA binding dye.For each well,250-500 individual nuclei are identified along with the average staining intensity for the client and phospho-proteins for each cell.Average client staining intensities are then calculated for each well. |
| 動物實(shí)驗(yàn) | Animal Models: 5 ×106 MM.1S cells are inoculated subcutaneously in the Fox Chase SCID mice (6-7 weeks old). Formulation: PF-04929113 is dissolved in 1% carboxy methylcellulose/0.5% Tween 80 at 10 mg/mL and stored at 4 °C. Dosages: 20 or 40 mg/kg. Administration: orally 3 times per week,3 weeks in total. |
| 別名 | PF-04929113, SNX-5422, PF 04929113 |
| 分子量 | 521.541 |
| 分子式 | C25H30F3N5O4 |
| CAS No. | 908115-27-5 |
存儲
Powder: -20°C for 3 years | In solvent: -80°C for 2 years
溶解度
H2O: <1 mg/mL
Ethanol: 3 mg/mL(5.8 mM)
DMSO: 96 mg/mL (184.1 mM)
( < 1 mg/mL refers to the product slightly soluble or insoluble )
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