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Rigosertib

Rigosertib (ON-01910) 是一种多激酶抑制剂和选择性抗癌剂，通过抑制 PI3K/Akt 途径诱导细胞凋亡，促进组蛋白 H2AX 的磷酸化并诱导细胞周期中的 G2/M 期停滞。它是一种选择性的非 ATP 竞争性PLK1抑制剂，IC50值为 9 nM。

CAS号

592542-59-1

分子式

C21H25NO8S

主要靶点

PDGFR|Bcr-Abl|Apoptosis|CDK|FLT|PLK|PI3K|Src

仅限科研使用

Cat No : CM06039

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Synonyms

ON-01910|瑞格色替

验证数据展示

  • CAS No.: 592542-59-1

    Rigosertib
    CAS#: 592542-59-1

产品信息

Rigosertib is a selective and non-ATP-competitive inhibitor of PLK1 (IC50: 9 nM). Rigosertib is a multi-kinase inhibitor and a selective anti-cancer agent, which induces apoptosis by inhibition of the PI3 kinase/Akt pathway, promotes the phosphorylation of histone H2AX and induces G2/M arrest in the cell cycle.

CAS号 592542-59-1
分子式 C21H25NO8S
主要靶点 PDGFR|Bcr-Abl|Apoptosis|CDK|FLT|PLK|PI3K|Src
主要通路 细胞骨架|PI3K/Akt/mTOR信号通路|细胞周期|蛋白酪氨酸激酶|血管生成|凋亡
分子量 451.49
纯度 97.33%， 此纯度可做参考，具体纯度与批次有关系，可咨询客服
储存条件 Powder: -20°C for 3 years | In solvent: -80°C for 1 year
别名 ON-01910|瑞格色替

靶点活性

Fyn:182 nM|CDK1:260 nM|Flt1:42 nM|PDGFR:18 nM|Bcr-Abl:32 nM|Src:155 nM|PLK2:260 nM|PLK1:9 nM

体内活性

Rigosertib (200 mg/kg, i.p.) displays inhibition on tumor growth in a mouse xenograft model of BT20 cells. Rigosertib (250 mg/kg, i.p.) markedly suppresses tumor growth in mouse xenograft models of Bel-7402, MCF-7, and MIA-PaCa cells [3][4].

体外活性

Rigosertib is a non-ATP-competitive inhibitor of PLK1 (IC50: 9 nM). Rigosertib displays cell killing activity against 94 different tumor cell lines (IC50: 50-250 nM), including BT27, MCF-7, DU145, PC3, U87, A549, H187, RF1, HCT15, SW480, and KB cells. Rigosertib also shows inhibition of PLK2, PDGFR, Flt1, BCR-ABL, Fyn, Src, and CDK1 (IC50: 18-260 nM). 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. Rigosertib also inhibits several multidrug-resistant tumor cell lines, including MES-SA, MES-SA/DX5a, CEM, and CEM/C2a (IC50: 50-100 nM). Rigosertib (100-250 nM) causes spindle abnormalities and apoptosis in HeLa cells. Rigosertib (0.25-5 μM) blocks cell cycle progression in G2/M phase in DU145 cells, causes an accumulation of cells containing subG1 content of DNA and activates apoptotic pathways. Rigosertib (50 nM-0.5 μM) induces loss of viability and caspase 3/7 activation in A549 cells. Rigosertib sodium (2 μM) induces apoptosis in chronic lymphocytic leukemia (CLL) cells without toxicity against T-cells or normal B-cells. Rigosertib sodium (2 μM) also abrogates the pro-survival effect of follicular dendritic cells on CLL cells and reduces the SDF-1-induced migration of leukemic cells[3][4][5].

溶解度

DMSO:75 mg/mL (166.12 mM),Sonification is recommended.

参考文献

1.Xu F, et al. Rigosertib as a selective anti-tumor agent can ameliorate multiple dysregulated signalingtransduction pathways in high-grade myelodysplastic syndrome. Sci Rep. 2014 Dec 4;4:7310.
2.Hyoda T, et al. Rigosertib induces cell death of a myelodysplastic syndrome-derived cell line by DNA damage-induced G2/M arrest. Cancer Sci. 2015 Mar;106(3):287-93.
3.Gumireddy K, et al. ON01910, a non-ATP-competitive small molecule inhibitor of Plk1, is a potent anticancer agent. Cancer Cell. 2005 Mar;7(3):275-86.
4.Reddy MV, et al. Discovery of a clinical stage multi-kinase inhibitor sodium (E)-2-{2-methoxy-5-[(2',4',6'-trimethoxystyrylsulfonyl)methyl]phenylamino}acetate (ON 01910.Na): synthesis, structure-activity relationship, and biological activity. J Med Chem. 2011 Sep 22;54(18):6254-76.
5.Chapman CM, et al. ON 01910.Na is selectively cytotoxic for chronic lymphocytic leukemia cells through a dual mechanism of action involving PI3K/AKT inhibition and induction of oxidative stress. Clin Cancer Res. 2012 Apr 1;18(7):1979-91

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