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AG-14361Potent PARP1 inhibitor

AG-14361

Catalog No. A4158
Size Price Stock Qty
10mM (in 1mL DMSO) $154.00 In stock
5mg $120.00 In stock
10mg $230.00 In stock
50mg $680.00 In stock
100mg $990.00 In stock

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Sample solution is provided at 25 µL, 10mM.

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Chemical structure

AG-14361

Biological Activity

AG14361 is a potent inhibitor of PARP1 with Ki of <5 nM.
Targets PARP1          
IC50 < 5 nM (Ki)          

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Chemical Properties

Cas No. 328543-09-5 SDF Download SDF
Chemical Name 1-(4-((dimethylamino)methyl)phenyl)-8,9-dihydro-2,7,9a-triazabenzo[cd]azulen-6(7H)-one
Canonical SMILES O=C1N([H])C([H])([H])C([H])([H])N2C3=C1C([H])=C([H])C([H])=C3N=C2C(C([H])=C4[H])=C([H])C([H])=C4C([H])([H])N(C([H])([H])[H])C([H])([H])[H]
Formula C19H20N4O M.Wt 320.39
Solubility >16mg/mL in DMSO Storage Store at -20°C
General tips No
Shipping Condition No

Background

AG-14361 is a selective inhibitor of PARP-1 with Ki50 value <5 nM [1].

PARP1 is a member of PRAP family and plays an important role in many cellular processes, such as DNA repair, programmed cell death. It has been revealed that PARP1 is abnormally expressed in a variety of cancers and many PARP inhibitors have been developed as the anti-tumor drugs [1] [2] [3, 4].

AG-14361 is a potent PARP-1 inhibitor. When exposed HR and BRCA2-defective cells and parental cells to AG-14361, HR-defective cells were hypersensitive to the AG-14361 even at non-cytotoxic concentrations and lacking BRCA2 made the cells more sensitive to AG-14361 [5]. In human K562 cells, AG14361 treatment for 16 hours resulted in significant (~2-fold) potentiation of camptothecin-induced growth inhibition (GI50, 16 hours, camptothecin + AG14361 2.4 ± 0.1 nmol/L), cytotoxicity (LC50, camptothecin + AG14361 2.77 ± 0.55 nmol/L) and DNA single-strand breaks via inhibiting PARP-1 [1]. When tested with MMR-proficient (HCT-Ch3, A2780, and CP70-ch3) and MMR-deficient (HCT116, CP70, and CP70-ch2) cells, MMR-proficient cells were more sensitivity to temozolomide compared with MMR-deficient cells after exposed to AG-14361 which inhibited PARP1 activity [2].

In mouse model xenografted with BRCA2-deficient and BRCA-2 proficient tumor cells, BRCA2 deficiency group had more response even completely regressed tumor compared with BRCA-2 proficient group when treated with AG-14361 [5].

References:
[1].  Smith, L.M., et al., The novel poly(ADP-Ribose) polymerase inhibitor, AG14361, sensitizes cells to topoisomerase I poisons by increasing the persistence of DNA strand breaks. Clin Cancer Res, 2005. 11(23): p. 8449-57.
[2].  Curtin, N.J., et al., Novel poly(ADP-ribose) polymerase-1 inhibitor, AG14361, restores sensitivity to temozolomide in mismatch repair-deficient cells. Clin Cancer Res, 2004. 10(3): p. 881-9.
[3].  Calabrese, C.R., et al., Anticancer chemosensitization and radiosensitization by the novel poly(ADP-ribose) polymerase-1 inhibitor AG14361. J Natl Cancer Inst, 2004. 96(1): p. 56-67.
[4].  Veuger, S.J., et al., Radiosensitization and DNA repair inhibition by the combined use of novel inhibitors of DNA-dependent protein kinase and poly(ADP-ribose) polymerase-1. Cancer Res, 2003. 63(18): p. 6008-15.
[5].  Kyle, S., et al., Exploiting the Achilles heel of cancer: the therapeutic potential of poly(ADP-ribose) polymerase inhibitors in BRCA2-defective cancer. Br J Radiol, 2008. 81 Spec No 1: p. S6-11.