SKI 178

A non-selective inhibitor of SPHK1 and SPHK2

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库存: 现货

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5mg

￥812.00

650.00

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10mg

￥1412.00

1130.00

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货号: ajci74034
CAS: 1259484-97-3
别名:
分子式: C21H22N4O4
分子量: 394.4
纯度: >98%
溶解度: DMF: 25 mg/ml,DMSO: 25 mg/ml,DMSO:PBS(pH 7.2) (1:4): 0.2 mg/ml
储存: Store at -20°C
库存: 现货

Background

SKI 178 is an inhibitor of sphingosine kinase 1 (SPHK1) and SPHK2. Though previously thought to be selective for SPHK1, cellular thermal shift assay results demonstrate direct target engagement of both SPHK1 and SPHK2 in HEK293 cells overexpressing either SPHK1 or SPHK2. It inhibits SPHK1 by 59.6% when used at a concentration of 10.7 µM and inhibits the production of sphingosine-1-phosphate in A549 cells. SKI 178 is cytotoxic to a variety of cancer cell lines including PANC-1, A549, U251, and MCF-7 cells (IC50s = 0.1, 0.3, 0.5, and 1.3 µM, respectively). It prolongs mitosis and induces cell death through the intrinsic apoptotic pathway in a CDK1-dependent manner. SKI 178 (20 mg/kg every other day) reduces the number of white blood cells to a normal range and increases survival in an MLL-AF9 acute myeloid leukemia (AML) mouse xenograft model. It also destabilizes and inhibits microtubule polymerization in an SPHK-independent manner.