SCH529074 is an orally active, potent activator of mutant p53, which binds p53 DNA binding domain (DBD), restores growth-suppressive function to mutant p53 and interrupts HDM2-mediated ubiquitination of wild type p53. SCH529074 treatment caused significant reduction in cell viability and colony formation activity in p53 mutant, p53 WT and p53‑deficient cells. The treatment of NSCLC cells with SCH529074 resulted in a dose‑dependent induction of apoptosis and G0/G1 cell cycle arrest, which was associated with the activation of caspases (3 and 7), p53‑independent upregulation of p21 and PUMA as well as increased LC3II, a biomarker of autophagy. The combination treatment with the autophagy inhibitor chloroquine (CQ) and SCH529074 led to decreased cell viability, colony formation and increased induction of apoptosis.
| Molecular Weight | 563.56 |
| Formula | C31H36Cl2N6 |
| CAS Number | 922150-11-6 |
| Solubility (25°C) | DMSO 20 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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