ZT-12-037-01 is a potent, selective, ATP-competitive STK19 inhibitor with IC50 values of 23.96 nM and 27.94 nM for STK19 (WT) and STK19 (D89N), respectively. ZT-12-037-01 effectively blocks oncogenic NRAS-driven melanocyte malignant transformation and melanoma growth in vitro and in vivo. ZT-12-037-01 (3 μM; 14 days) significantly inhibits mutant NRAS-STK19-driven melanocyte colony formation and proliferation.
In vivo, ZT-12-037-01 (25-50 mg/kg; injection subcutaneously; once daily) 21 days treatment inhibits growth of SK-MEL-2 xenograft melanoma and the sections of tumors indicates induction of apoptosis by increasing cleaved caspase-3.
| Molecular Weight | 385.50 |
| Formula | C21H31N5O2 |
| CAS Number | 2328073-61-4 |
| Solubility (25°C) | DMSO ≥ 9 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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