AG-14361

AG-14361

CAT N°: 24677
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AG-14361 is an inhibitor of poly(ADP-ribose) polymerase 1 (PARP1; Ki = 6.3 nM for the human enzyme).{43030} It inhibits PARP1 activity in permeabilized and intact SW620 cells (IC50s = 29 and 14 nM, respectively).{43031} AG-14361 (0.4 µM) potentiates the growth inhibitory effects of temozolomide (Item No. 14163) in HCT116, A2480, and CP70 cells and of the topoisomerase I inhibitor topotecan (Item No. 14129) by greater than three-fold in PARP1+/+ primary embryonic fibroblasts.{43032,43033} It slows the rejoining of camptothecin-induced DNA strand breaks.{43033} AG-14361 also inhibits cell growth in a PARP1-independent manner with GI50 values of 66 and 65 µM, respectively, in cell lines derived from PARP1+/+ and PARP1-/- mice.{43031} AG-14361 (15 mg/kg), in combination with temozolomide, leads to tumor regression in an SW620 mouse xenograft model.

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