JSH-150

Cell experiment:

The A375 (melanoma), A431 (squamous), BE(2)M17 (neuroblastoma), BE(2)M17 (neuroblastoma), CRL-2234 (hepatoma), COLO205 (colon cancer), A549 (lung adenocarcinoma), Ramos (B cell lymphoma), MV4-11 (AML), Ramos (B cell lymphoma), U937 (AML), CHL (hamster lung cell), and CHO (hamster ovary cell) cell lines are used. OCI-AML-3 (AML), SKM-1 (AML), MEC-1 (CLL), MEC-2 (CLL) and HL-60 (human promyelocytic leukemia cells) are used. Human GIST-T1 cells are used. MOLM-13 and MOLM14 cell lines are used. All the cells are grown in a humidified incubator at 37°C under 5% CO2. A375, A431, GIST-T1, A549, Colo205 and CHO cells are maintained in DMEM supplemented with 10% FBS, 1% Penicillin/Streptomycin. BE(2)M17 cells are cultured with 1:1 mixture of ATCC-formulated Eagle's minimum essential medium, and F12 Medium. MV4-11, MEC-1 and MEC-2 are grown in IMDM supplemented with 10% FBS, 1% Penicillin/Streptomycin. CRL-2234, U2932, U937, Ramos, MOLM13, MOLM14, OCI-AML-3, SKM-1, HL-60 and CHL are grown in RPMI 1640 medium supported with 10% FBS and 1% Penicillin/Streptomycin. Adherent cells are grown in tissue culture flasks until they are 85-95% confluent prior to use. For suspension cells, cells are collected by spin down at 800 rpm/min for 5 min before use. Cells are grown in 96-well culture plates (3000 cells/well). The compounds (e.g., JSH-150) at various concentrations are added into the plates. Cell proliferation is determined after treatment with compounds (e.g., JSH-150) for 72 h. Cell viability is measured using the Cell Titer-Glo assay and luminescence is measured in a multilabel reader[1].

Animal experiment:

Mice[1]Five-week-old female nu/nu mice are used. Prior to implantation, cells are harvested during exponential growth. Five million MV4-11 cells in PBS are formulated as a 1:1 mixture with Matrigel and injected into the subcutaneous space on the right flank of nu/nu mice. Daily oral administration is initiated when MV4-11 tumors have reached a size of 200-400 mm3. Animals are then randomized into treatment groups of 5 mice each for efficacy studies. JSH-150 is delivered daily in a HKI solution (0.5% methocellulose/0.4% Tween80 in ddH2O) by oral gavage. A range of doses of JSH-150 or its vehicle as control are administered. Female nu/nu mice bearing established MV4-11 tumor xenografts are treated with JSH-150 at 10, 20, and 30 mg/kg/d dosage or vehicle. Body weight is measured daily and tumor growth is measured every day after JSH-150 treatment. Tumor volume is calculated[1].

References:

[1]. Beilei Wang, et al. Discovery of 4-(((4-(5-chloro-2-(((1s,4s)-4-((2-methoxyethyl)amino)cyclohexyl)amino)pyridin-4-yl)thiazol-2-yl)amino)methyl)tetrahydro-2H-pyran-4-carbonitrile (JSH-150) as a novel highly selective and potent CDK9 kinase inhibitor. Eur J Med Chem. 13 September 2018.