Product description

NSC 109555 is an ATP-competitive inhibitor of checkpoint kinase 2 (Chk2; IC50 = 200 nM in a cell-free kinase assay).{24025} It is selective for Chk2 over Chk1 and 16 kinases in a panel but does inhibit Brk, c-Met, IGFR, and LCK with IC50 values of 210, 6,000, 7,400, and 7,100 nM, respectively. NSC 109555 inhibits Chk2 autophosphorylation and phosphorylation of the Chk2 substrate histone H1 in vitro (IC50 = 240 nM). It inhibits the growth of, and induces autophagy in, L1210 leukemia cells in vitro.{42938} NSC 109555 (1,250 nM) potentiates gemcitabine-induced cytotoxicity in MIA PaCa-2, CFPAC-1, PANC-1, and BxPC-3 pancreatic cancer cells, as well as reduces gemcitabine-induced increases in Chk2 phosphorylation and enhances gemcitabine-induced production of reactive oxygen species (ROS) in MIA PaCa-2 cells.{42939}

Specifications
CAS number
15427-93-7
Supplier
Cayman Chemical
Shipping & storage
Shipping condition
Dry Ice
Storage temperature
-20°C

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NSC 109555

19811-1

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19811-1

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