CM-579 trihydrochloride is a first-in-class reversible and dual inhibitor of G9a and DNMT (IC50s: 16 nM, 32 nM) with potent in vitro cellular activity in a wide range of cancer cells.
O6BTG-octylglucoside is a potent O6-methylguanine-DNAmethyl-transferase (MGMT) inhibitor (IC50s: 10 nM and 32 nM in HeLa S3 cells and in vitro (cell extracts)).
K-TMZ is a DNA alkylating agent. It increases the concentration of O6-methylated deoxyguanosine in U87 glioblastoma multiforme (GBM) cells in a concentration-dependent manner. K-TMZ reduces cell viability of GBM cell lines lacking (IC50s = 18-44 μM) or expressing O6-methylguanine DNAmethyltransferase (MGMT; IC50s = 115-240 μM). K-TMZ can cross the blood-brain barrier and increases survival in a Br23c mouse xenograft model of GBM when administered at a dose of 14.9 mg/kg.