NSC 109555 ditosylate
Chemical Name: 4,4'-diacetyldiphenylurea bis(guanylhydrazone) ditosylate
Biological ActivitySelective, reversible, ATP-competitive Chk2 inhibitor (IC50 = 0.2 μM) that displays no effect on a range of other kinases including Chk1 (IC50 > 10 μM). Inhibits histone H1 phosphorylation (IC50 = 0.24 μM) and attenuates mitochondrial ATP synthesis. Exhibits antiproliferative activity in a number of leukemias in vivo.
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Tocris products are intended for laboratory research use only, unless stated otherwise.
Actions of bis(guanylhydrazones) on isolated rat liver mitochondria.
Byczkowski et al.
Potentiation of the antimitochondrial and antiproliferative effects of bis(guanylhydrazones) by phenethylbiguanide.
Byczkowski et al.
Cancer Res., 1982;42:3592
Identification of a bis-guanylhydrazone [4,4'-diacetyldiphenylurea-bis(guanylhydrazone); NSC 109555] as a novel chemotype for inhibition of Chk2 kinase.
Jobson et al.
Citations for NSC 109555 ditosylate
The citations listed below are publications that use Tocris products. Selected citations for NSC 109555 ditosylate include:
3 Citations: Showing 1 - 3
Inhibition of checkpoint kinase 2 (CHK2) enhances sensitivity of pancreatic adenocarcinoma cells to gemcit.
Authors: Duong Et al.
J Cell Mol Med 2013;17:1261
The heterogenic final cell cycle of chicken retinal Lim1 horizontal cells is not regulated by the DNA damage response pathway.
Authors: Fard Et al.
Cell Cycle 2013;13:408
Parvovirus B19 infection of human primary erythroid progenitor cells triggers ATR-Chk1 signaling, which promotes B19 virus replication.
Authors: Luo Et al.
J Virol 2011;85:8046
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