CX-6258 inhibited Flt-3 and Pim-3 (IC50=0.134 and 0.016 uM). At 0.5 uM of CX-6258, only Pim-1, Pim-2, Pim-3, and Flt-3 of the 107 kinases tested were inhibited by more than 80%, showing excellent selectivity. CX-6258 was also shown to be a reversible inhibitor of Pim-1 (Ki=0.005 uM). CX-6258 showed robust antiproliferative potencies against all cell lines tested derived from human solid tumors and hematological malignancies. In mechanistic cellular assays with MV-4-11 human AML cells, (13) caused dose-dependent inhibition of the phosphorylation of 2 pro-survival proteins, Bad and 4E-BP1, at the Pim kinase specific sites S112 and S65 and T37/46, respectively.Pim-1 inhibition using the small molecule inhibitor CX-6258 (12 mM, 3 h) diminishes endogenous NKX3.1 steady state levels in 22RV1 and LNCaP cells. CX-6258 treatment (12 mM, 3 h) treatment diminished steady-state levels of ectopic NKX3.1 in PC3 cells. CX-6258 treatment resulted in a significant reduction in NKX3.1 half-life. While ectopically expressed NKX3.1 in control cells had a half-life of _90 min, Pim-1 inhibition reduced the half-life to _52 min.
| Molecular Weight | 516.42 |
| Formula | C26H27Cl2N3O4 |
| CAS Number | 1353858-99-7 |
| Form | Solid |
| Solubility (25°C) | DMSO |
| 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.
| Related Pim Products |
|---|
| R8-T198wt
R8-T198wt is a cell-permeable carboxyl-terminal p27Kip1 peptide exhibits anti-tumor activity by inhibiting Pim-1 kinase. |
| FD1024
FD1024 is PIM inhibitor (IC50s: 1.96, 38.9, 4.17 nM for PIM1, 2, 3). |
| Pim-1 kinase inhibitor 5
Pim-1 kinase inhibitor 5 is a Pim-1 kinase inhibitor (IC50: 0.61 μM). |
| Pim-1 kinase inhibitor 4
Pim-1 kinase inhibitor 4 is a Pim-1 kinase inhibitor (IC50: 17.01 nM). |
| Pim-1 kinase inhibitor 6
Pim-1 kinase inhibitor 6 is a potent Pim-1 kinase inhibitor with IC50 value of 0.46 μM, and has significant cytotoxic effect on cancer cells. |
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