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CCT129202 is an Aurora kinase inhibitor with IC50 of 0.042 ± 0.022, 0.198 ± 0.05, and 0.227 ± 0.064 μmol/L for Aurora A, Aurora B, and Aurora C, respectively. CCT129202, a representative of a structurally novel series of imidazopyridine small-molecule inhibitors of Aurora kinase activity. This compound showed high selectivity for the Aurora kinases over a panel of other kinases tested and inhibits proliferation in multiple cultured human tumor cell lines. Importantly, CCT129202 increased the inhibitory effect of vincristine and paclitaxel on ABCB1 overexpressing KBv200 cell xenografts in nude mice and human esophageal cancer tissue overexpressing ABCB1 ex vivo, respectively. Furthermore, the ATPase activity of ABCB1 was inhibited by CCT129202. Homology modeling predicted the binding conformation of CCT129202 within the large hydrophobic cavity of ABCB1. On the other hand, CCT129202 neither apparently altered the expression levels of ABCB1 and ABCG2 nor inhibited the activity of Aurora kinases in MDR cells under the concentration of reversal MDR. In conclusion, CCT129202 significantly reversed ABCB1- and ABCG2-mediated MDR in vitro, in vivo and ex vivo by inhibiting the function of their transporters and enhanced the eradication of cancer stem-like cells by chemotherapeutic agents.
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Source | Mol Pharm (2013). Figure 2. CCT-129202 |
| Method | MTT assay | |
| Cell Lines | SP and NSP cells of A549 | |
| Concentrations | 0.25 μM | |
| Incubation Time | 24 h | |
| Results | CCT129202 significantly abolished the drug-resistant ability of SP cells to doxorubicin but did not alter IC50 value of doxorubicin in NSP cells |
| Cell Experiment | |
|---|---|
| Cell lines | Colo205, SW620, HT29, KW12, Hela, A2780, OVCAR8, MDA-MB-157, MV4-11 and HCT-116 cells line |
| Preparation method | Cell Viability Assay. The effects of CCT129202 on cell proliferation were analyzed with the colorimetric 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay (Sigma) according to the manufacturer's instructions. Cells were plated in 96-well plates at 2,500 per well and were treated with a range of 0 to 50 μmol/L of CCT129202 for 72 h. The absorbance was measured at 570 nm using the Wallac VICTOR2TM 1420 Multilabel Counter (PerkinElmer). |
| Concentrations | 0~10 μ M |
| Incubation time | 72 h |
| Animal Experiment | |
|---|---|
| Animal models | human HCT116 colon carcinoma xenografts |
| Formulation | 10% DMSO, 5% Tween 20, and 85% sterile saline at 0.1 mL/10 g |
| Dosages | 5 mg/kg |
| Administration | i.p. |
| Molecular Weight | 497.02 |
| Formula | C23H25ClN8OS |
| CAS Number | 942947-93-5 |
| Solubility (25°C) | DMSO |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related Aurora Kinase Products |
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Phthalazinone pyrazole is a potent, selective, and orally active inhibitor of Aurora-A kinase with an IC50 of 0.031 μM. |
| Aurora Kinases-IN-4
Aurora Kinases-IN-4 is a covalent and ATP competitive aurora kinase A inhibitor (IC50: 1.7 nM). |
| Derrone
Derrone, a prenylated isoflavones, is an Aurora kinase inhibitor, with IC50 values of 6 and 22.3 μM against Aurora B and Aurora A, respectively. Derrone shows anti-tumor activity. |
| CD532 hydrochloride
CD532 hydrochloride is a potent Aurora A kinase inhibitor with an IC50 of 45 nM. CD532 hydrochloride has the dual effect of blocking Aurora A kinase activity and driving degradation of MYCN. CD532 hydrochloride also can directly interact with AURKA and induces a global conformational shift. CD532 hydrochloride can be used for the research of cancer. |
| Aurora kinase inhibitor-2
Aurora kinase inhibitor-2 is a selective and ATP-competitive Aurora kinase inhibitor with IC50s of 310 nM and 240 nM for Aurora A and Aurora B, respectively. |
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