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Masitinib (AB-1010) mesylate is a potent, orally bioavailable and selective inhibitor of c-Kit, IC50 of 200 nM for human recombinant c-Kit. It also inhibits PDGFRα/β, LynB with IC50 values of 540, 800 and 510 nM. In Ba/F3 cells expressing human wild-type Kit, masitinib inhibits SCF (stem cell factor)-induced cell proliferation with an IC50 of 150 nM, while the IC50 for inhibition of IL-3-stimulated proliferation is at approximately >10 µM. In Ba/F3 cells expressing PDGFRα, masitinib inhibits PDGF-BB-stimulated proliferation and PDGFRα tyrosine phosphorylation with IC50 of 300 nM. Masitinib also causes inhibition of SCF-stimulated tyrosine phosphorylation of human Kit in mastocytoma cell-lines and BMMC.
In vivo, Masitinib inhibits tumour growth and increases the median survival time in Δ27-expressing Ba/F3 tumor models at 30 mg/kg, without cardiotoxicity or genotoxicity.
| Molecular Weight | 594.75 |
| Formula | C29H34N6O4S2 |
| CAS Number | 1048007-93-7 |
| Solubility (25°C) | DMSO ≥ 30 mg/mL 1M HCl: 60 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related c-Kit Products |
|---|
| Labuxtinib
Labuxtinib is c-kit tyrosine kinase inhibitor. |
| Elenestinib phosphate
Elenestinib phosphate (BLU-263 phosphate) is a potent and orally active tyrosine kinase inhibitor. Elenestinib phosphate has the potential for the research of systemic mastocytosis (SM). |
| Elenestinib
Elenestinib (BLU-263) is a potent and orally active tyrosine kinase inhibitor. Elenestinib has the potential for the research of systemic mastocytosis (SM). |
| Bezuclastinib
Bezuclastinib (CGT9486; PLX 9486) is a potent inhibitor of c-kit and c-kit D816V (0.0001 < IC50 < 1 μM). Bezuclastinib is a tyrosine kinase inhibitor. |
| Amuvatinib hydrochloride
Amuvatinib hydrochloride (MP470 hydrochloride) is an orally bioavailable multi-targeted tyrosine kinase inhibitor with potent activity against mutant c-Kit, PDGFRα, Flt3, c-Met and c-Ret. Amuvatinib hydrochloride (MP470 hydrochloride) is also a DNA repair suppressor through suppression of DNA repair protein RAD51, thereby disrupting DNA damage repair. Antineoplastic activity. |
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