MELK-8a (NVS-MELK8a) is a highly potent and selective maternal embryonic leucine zipper kinase (MELK) inhibitor with IC50 of 2 nM. MELK-8a also inhibits Flt3 (ITD), Haspin, PDGFRα with IC50s of 0.18, 0.19, and 0.42 μM, respectively. MELK plays an essential role in regulating cell mitosis in a subset of cancer cells[1].
OTSSP167 (hydrochloride) is a highly potent MELK inhibitor with IC50 value of 0.41 nM.
MELK-IN-1 is a potent inhibitor of maternal embryonic leucine zipper kinase (MELK) with an IC50 and a Ki of 3 nM and 0.39 nM, respectively.
HTH-01-091 is a potent and selective, cell-permeable, ATP-competitive MELK inhibitor with biochemical IC50 of 10.5 nM; displays no significant activity for PIK3CA, mTOR, GSK3A and CDK7 (IC50>600 nM); exhibits substantially improved kinome selectivity in comparison with OTSSP167; induces MELK degradation, but demonstrates poor antiproliferative effects in basal-like breast cancer cell lines.
OTSSP167 is a highly potent MELK inhibitor with IC50 value of 0.41 nM.
JNJ-47117096 hydrochloride is potent and selective MELK inhibitor, with an IC50 of 23 nM, also effectively inhibits Flt3, with an IC50 of 18 nM.