包装 | 价格(元) |
10mM (in 1mL DMSO) | 电议 |
5mg | 电议 |
10mg | 电议 |
25mg | 电议 |
50mg | 电议 |
Kinase experiment: | The invitro kinase assays are performed in 96-well plates (30 μL) at ambient temperature for 15–45 min using the recombinant glutathione S-transferase-fused kinase domains (4–100 ng, depending on specific activity). [γ33P]ATP is used as phosphate donor and polyGluTyr-(4:1) peptide as acceptor. Assays are optimized for each kinase using the following ATP concentrations: 1.0 μM (c-Kit, c-Met, c-Fms, c-Raf-1, and RET), 2.0 μM (EGFR, ErbB2, ErbB3, and ErbB4), 5.0 μM (c-Abl), 8.0 μM (Flt-1, Flt-3, Flt-4, Flk, KDR, FGFR-1, and Tek), 10.0 μM (PDGF receptor-β, protein kinase C-α, and cyclin-dependent kinase 1), and 20.0 μM (c-Src and protein kinase A). The reaction is terminated by the addition of 20 μL 125 mM EDTA. Thirty μL (c-Abl, c-Src, insulin-like growth factor-1R, RET-Men2A, and RET-Men2B) or 40 μL (all other kinases) of the reaction mixture is transferred onto Immobilon-polyvinylidene difluoride membrane, presoaked with 0.5% H3PO4 and mounted on a vacuum manifold. Vacuum is then applied and each well rinsed with 200 μL 0.5% H3PO4. Membranes are removed and washed four times. Dried membranes are counted. IC50 are calculated by linear regression analysis of the percentage inhibition and are averages of at least three determinations[1]. |
Cell experiment: | AEE788 is dissolved in 90% polyethylene glycol 300 plus 10% 1-methyl-2-pyrrolidinone to a concentration of 6.25 mg/mL. Tumor cells are seeded into 96-well plates in complete medium and allowed to attach for 24 hours. The cultures are re-fed with medium with 2% serum. After 24 hours, cells are treated with different concentrations (0-2 μM) of AEE788 (negative control with DMSO alone) for 72 hours. After a 2-hour incubation in medium containing 0.42 mg/mL MTT, the cells are lysed in 100 μL DMSO. The conversion of MTT to formazan is measured at an absorbance of 570 nm[2] |
Animal experiment: | Mice: AEE788 is diluted in DMSO and diluted in the optimal medium. BALB/c mice bearing s.c. A-431 squamous tumors (3 animals/group) or HC11-NeuT-driven breast tumors (2 animals/group) are dosed orally with 30 mg/kg of AEE788 or vehicle once daily for 5 days. At different time points after the end of compound treatment and before sacrificing the animals the mice are given i.v. 500 μg EGF/kg body weight or 0.2 ml 0.9% w/v NaCl as vehicle control. Five min after EGF administration, the mice are sacrificed, tumors are removed[1]. |
产品描述 | AEE788 is a potent inhibitor of EGFR and HER2 (IC50=2 nM and 6 nM) EGFR (epidermal growth factor receptor) is a cell-surface receptor tyrosine kinase. The receptor activation leads to dimerization and tyrosine autophosphorylation. It induces a cascade of downstream cellular responses such as modification in gene expression, cell proliferation and cytoskeletal rearrangement etc. In HCT 15 colon cancer cells, AEE788 potentiated celecoxib-mediated blockage of proliferation and angiogenesis [1]. In various cell line with EGFR and HER2-overexpressing, AEE788 exhibited antiproliferative activity [3]. AEE788 also inhibited cell proliferation (IC50=1.7-3.8 μM) and prevented epidermal growth factor and neuregulin-induced activation of HER1, HER2, and HER3 in vitro [5]. Comparing with the control mice, AEE788 treated mice showed 54% inhibited tumor growth in 21 days after the initiation of the treatment [2]. In ZR75.1 A3 xenograft mice, letrozole combined with AEE788 had a prominently greater tumor growth inhibition compared with letrozole treatment alone [4]. References: |