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Pamiparib (BGB-290) is an orally active, potent, highly selective inhibitor of PARP1 and PARP2 with IC50 values of 0.9 nM and 0.5 nM, respectively. Pamiparib shows potent DNA-trapping activity with an IC50 of 13 nM. Pamiparib inhibits intracellular PAR formation with an IC50 of 0.24 nM.
In vivo, oral administration of BGB-290 results in time-dependent and dose-dependent inhibition of PARylation in MDA-MB-436 (BRCA1 mutant) breast cancer xenograft. BGB-290 has significant brain penetration in C57 mice. The drug exposure in brain vs. that in plasma was close to 20% after oral administration of BGB-290.
| Molecular Weight | 298.31 |
| Formula | C16H15FN4O |
| CAS Number | 1446261-44-4 |
| Solubility (25°C) | DMSO ≥ 30 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related PARP Products |
|---|
| ABT-888
ABT-888 (Veliparib) is a potent inhibitor of PARP-1 and PARP-2 with Ki values of 5.2nM and 2.9nM respectively. |
| AG-014699 phosphate
AG-014699 (PF-01367338, Rucaparib) is a PARP inhibitor with a Ki of 1.4 nM. |
| AG14361
AG14361 is a novel poly (ADP-ribose) polymerase-1 inhibitor with a GI50 of 10.9 µM. |
| AZD2281 (Olaparib)
AZD 2281 (Olaparib, KU-0059436) is a potent PARP (poly ADP-ribose polymerase) inhibitorwith IC50 of 5 and 1 nM for PARP-1and PARP-2 respectively. Olaparib is an autophagy and mitophagy activator. |
| Talazoparib
Talazoparib (BMN-673) is a highly potent, orally active PARP1/2 inhibitor.Talazoparib inhibits PARP1 and PARP2 enzyme activity with Kis of 1.2 nM and 0.87 nM, respectively. Talazoparib has antitumor activity. |
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