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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
ON-01910是PLK1的抑制剂,IC50为9 nM。ON-01910还抑制PLK2,PDGFR,Flt1,BCR-ABL,Fyn,Src和CDK1,IC50为18–260 nM。ON-01910显示了对94种不同肿瘤细胞系的杀伤活性,IC50为50–250 nM,包括BT27,MCF-7,DU145,PC3,U87,A549,H187,RF1,HCT15,SW480和KB细胞。在HeLa细胞中,ON-01910(100–250 nM)会诱导纺锤体异常和凋亡。ON-01910还抑制几种多药耐药肿瘤细胞系
Information
Rigosertib (ON-01910) is a non-ATP-competitive inhibitor ofPLK1withIC50of 9 nM in a cell-free assay. It shows 30-fold greater selectivity against Plk2 and no activity to Plk3. Rigosertib inhibitsPI3K/Aktpathway and activates oxidative stress signals. Rigo
In vitro
Rigosertib is non-ATP-competitive inhibitor to PLK1 with IC50 of 9 nM. Rigosertib also exhibits inhibition against PLK2, PDGFR, Flt1, BCR-ABL, Fyn, Src, and CDK1, with IC50 of 18-260 nM. Rigosertib shows cell killing activity against 94 different tumor cell lines with IC50 of 50-250 nM, including BT27, MCF-7, DU145, PC3, U87, A549, H187, RF1, HCT15, SW480, and KB cells. While in normal cells, such as HFL, PrEC, HMEC, and HUVEC, Rigosertib has little or no effect unless its concentration is greater than 5-10 μM. In HeLa cells, Rigosertib (100-250 nM) induces spindle abnormalities and apoptosis. Rigosertib also inhibits several multidrug resistant tumor cell lines, including MES-SA, MES-SA/DX5a, CEM, and CEM/C2a, with IC50 of 50-100 nM. In DU145 cells, Rigosertib (0.25-5 μM) blocks cell cycle progression in G2/M phase, results in an accumulation of cells containing subG1 content of DNA, and activates apoptotic pathways. In A549 cells, Rigosertib (50 nM-0.5 μM) induces loss of viability and caspase 3/7 activation. In a recent study, Rigosertib induces apoptosis in chronic lymphocytic leukemia (CLL) cells without toxicity against T-cells or normal B-cells. Rigosertib also abrogates the pro-survival effect of follicular dendritic cells on CLL cells and reduces SDF-1-induced migration of leukemic cells.
In vivo
In mouse xenograft models of Bel-7402, MCF-7, and MIA-PaCa cells, Rigosertib (250 mg/kg) markedly inhibits tumor growth. Rigosertib (200 mg/kg) shows inhibition on tumor growth in a mouse xengraft model of BT20 cells.
Cell Data
cell lines:
Concentrations:1 nM - 10 μM, dissolved in DMSO as stock solution.
Incubation Time:96 hours
Powder Purity:≥98%