Rigosertib sodium

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抑制剂描述：

产品名称：Rigosertib sodium

产品别名：见爱必信官网

英文别名：Rigosertib sodium

靶点：PLK

CAS：1225497-78-8

纯度：>98%

外观：见爱必信官网

保存方法：store at -20℃ for one year（Powder）； in DMSO or others solvent store at 2-4℃ for two weeks, at -20℃ for six months.

描述：

Rigosertib (ON-01910)是一种非ATP竞争性的PLK1抑制剂，IC50为9 nM，比作用于Plk2选择性高30倍，对Plk3没有抑制活性。Rigosertib是PLK1的非ATP竞争性抑制剂，IC50为9 nM。Rigosertib也抑制 PLK2,PDGFR,Flt1,BCR-ABL,Fyn,Src和CDK1, IC50为18-260 nM。Rigosertib具有使细胞死亡的活性，作用于94种不同肿瘤细胞系，IC50为50-250 nM,包括BT27,MCF-7,DU145,PC3,U87,A549,H187,RF1,HCT15,SW480,和KB细胞。

溶解性：DMSO ：88 mg/mL (185.9 mM)
Water ：87 mg/mL (183.7 mM)

体外研究：

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.

体内研究：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.

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