CX-6258 inhibited Flt-3 and Pim-3 (IC50=0.134 and 0.016 uM). CX-6258 is a reversible inhibitor of Pim-1 (Ki=0.005 uM). CX-6258 shows robust antiproliferative potencies against all cell lines tested derived from human solid tumors and hematological malignancies. CX-6258 shows dose-dependent efficacy in mice bearing MV-4-11 xenografts, with 45% and 75% TGI at 50 and 100 mg/kg/day, respectively.
Cell Experiment | |
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Cell lines | MV-4-11, SEM, EOL-1, MOLM-13, PL-21, THP-1, K562, MEG01, HL60 and U266 cells |
Preparation method | Cell Viability assay. For proliferation assays, cells were plated at 5,000 to 20,000 cells per well in 96 well plates overnight before treatment for 96 hours with serially diluted compound or vehicle DMSO. Cell viability was measured after the addition of 10 μL Alamar Blue (Invitrogen) for 4 hours at 37˚C. The GI50 was determined by calculating growth at each dose relative to vehicle treated cells and cell viability at the time of treatment. |
Concentrations | 0~10 μM |
Incubation time | 96 h |
Animal Experiment | |
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Animal models | MV-4-11 xenograft models in nude mice |
Formulation | H2O |
Dosages | 50 or 100 mg/kg once daily over a period of 21 days |
Administration | PO |
Molecular Weight | 461.94 |
Formula | C26H24ClN3O3 |
CAS Number | 1202916-90-2 |
Solubility (25°C) | DMSO ≥ 10 mg/mL |
Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
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